Fix casinh inaccuracy for imaginary part < 1.0, real part small (bug 10357).

8 files changed, 3417 insertions, 301 deletions

diff --git a/ChangeLog b/ChangeLog
index 8f3ba6fc58..07eb345570 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2013-03-30  Joseph Myers  <joseph@codesourcery.com>
+
+	[BZ #10357]
+	* math/k_casinh.c (__kernel_casinh): Handle arguments with
+	imaginary part less than 1.0 and real part less than 0.5
+	specially.
+	* math/k_casinhf.c (__kernel_casinhf): Likewise.
+	* math/k_casinhl.c (__kernel_casinhl): Likewise.
+	* math/libm-test.inc (UNDERFLOW_EXCEPTION_OK_DOUBLE): New macro.
+	(cacos_test): Add more tests.
+	(casin_test): Likewise.
+	(casinh_test): Likewise.
+	* sysdeps/i386/fpu/libm-test-ulps: Update.
+	* sysdeps/x86_64/fpu/libm-test-ulps: Likewise.
+
 2013-03-29  Siddhesh Poyarekar  <siddhesh@redhat.com>
 
 	* sysdeps/powerpc/power4/fpu/mpa-arch.h (INTEGER_OF): Replace
diff --git a/NEWS b/NEWS
index 15583b797e..82e9ed568a 100644
--- a/NEWS
+++ b/NEWS
@@ -9,10 +9,10 @@ Version 2.18
 
 * The following bugs are resolved with this release:
 
-  11120, 11561, 12723, 13550, 13889, 13951, 14142, 14176, 14200, 14317,
-  14327, 14496, 14812, 14920, 14964, 14981, 14982, 14985, 14994, 14996,
-  15003, 15006, 15020, 15023, 15036, 15054, 15055, 15062, 15078, 15160,
-  15214, 15232, 15234, 15283, 15285, 15287, 15304, 15307.
+  10357, 11120, 11561, 12723, 13550, 13889, 13951, 14142, 14176, 14200,
+  14317, 14327, 14496, 14812, 14920, 14964, 14981, 14982, 14985, 14994,
+  14996, 15003, 15006, 15020, 15023, 15036, 15054, 15055, 15062, 15078,
+  15160, 15214, 15232, 15234, 15283, 15285, 15287, 15304, 15307.
 
 * Add support for calling C++11 thread_local object destructors on thread
   and program exit.  This needs compiler support for offloading C++11
diff --git a/math/k_casinh.c b/math/k_casinh.c
index 4cb232a17a..145eb10110 100644
--- a/math/k_casinh.c
+++ b/math/k_casinh.c
@@ -134,6 +134,58 @@ __kernel_casinh (__complex__ double x, int adj)
 	    __imag__ res = __ieee754_atan2 (1.0 + s2, rx + s1);
 	}
     }
+  else if (ix < 1.0 && rx < 0.5)
+    {
+      if (ix >= DBL_EPSILON)
+	{
+	  if (rx < DBL_EPSILON * DBL_EPSILON)
+	    {
+	      double onemix2 = (1.0 + ix) * (1.0 - ix);
+	      double s = __ieee754_sqrt (onemix2);
+
+	      __real__ res = __log1p (2.0 * rx / s) / 2.0;
+	      if (adj)
+		__imag__ res = __ieee754_atan2 (s, __imag__ x);
+	      else
+		__imag__ res = __ieee754_atan2 (ix, s);
+	    }
+	  else
+	    {
+	      double onemix2 = (1.0 + ix) * (1.0 - ix);
+	      double rx2 = rx * rx;
+	      double f = rx2 * (2.0 + rx2 + 2.0 * ix * ix);
+	      double d = __ieee754_sqrt (onemix2 * onemix2 + f);
+	      double dp = d + onemix2;
+	      double dm = f / dp;
+	      double r1 = __ieee754_sqrt ((dp + rx2) / 2.0);
+	      double r2 = rx * ix / r1;
+
+	      __real__ res
+		= __log1p (rx2 + dm + 2.0 * (rx * r1 + ix * r2)) / 2.0;
+	      if (adj)
+		__imag__ res = __ieee754_atan2 (rx + r1,
+						__copysign (ix + r2,
+							    __imag__ x));
+	      else
+		__imag__ res = __ieee754_atan2 (ix + r2, rx + r1);
+	    }
+	}
+      else
+	{
+	  double s = __ieee754_hypot (1.0, rx);
+
+	  __real__ res = __log1p (2.0 * rx * (rx + s)) / 2.0;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2 (s, __imag__ x);
+	  else
+	    __imag__ res = __ieee754_atan2 (ix, s);
+	}
+      if (__real__ res < DBL_MIN)
+	{
+	  volatile double force_underflow = __real__ res * __real__ res;
+	  (void) force_underflow;
+	}
+    }
   else
     {
       __real__ y = (rx - ix) * (rx + ix) + 1.0;
diff --git a/math/k_casinhf.c b/math/k_casinhf.c
index b368313390..56565e25e2 100644
--- a/math/k_casinhf.c
+++ b/math/k_casinhf.c
@@ -136,6 +136,58 @@ __kernel_casinhf (__complex__ float x, int adj)
 	    __imag__ res = __ieee754_atan2f (1.0f + s2, rx + s1);
 	}
     }
+  else if (ix < 1.0f && rx < 0.5f)
+    {
+      if (ix >= FLT_EPSILON)
+	{
+	  if (rx < FLT_EPSILON * FLT_EPSILON)
+	    {
+	      float onemix2 = (1.0f + ix) * (1.0f - ix);
+	      float s = __ieee754_sqrtf (onemix2);
+
+	      __real__ res = __log1pf (2.0f * rx / s) / 2.0f;
+	      if (adj)
+		__imag__ res = __ieee754_atan2f (s, __imag__ x);
+	      else
+		__imag__ res = __ieee754_atan2f (ix, s);
+	    }
+	  else
+	    {
+	      float onemix2 = (1.0f + ix) * (1.0f - ix);
+	      float rx2 = rx * rx;
+	      float f = rx2 * (2.0f + rx2 + 2.0f * ix * ix);
+	      float d = __ieee754_sqrtf (onemix2 * onemix2 + f);
+	      float dp = d + onemix2;
+	      float dm = f / dp;
+	      float r1 = __ieee754_sqrtf ((dp + rx2) / 2.0f);
+	      float r2 = rx * ix / r1;
+
+	      __real__ res
+		= __log1pf (rx2 + dm + 2.0f * (rx * r1 + ix * r2)) / 2.0f;
+	      if (adj)
+		__imag__ res = __ieee754_atan2f (rx + r1,
+						 __copysignf (ix + r2,
+							      __imag__ x));
+	      else
+		__imag__ res = __ieee754_atan2f (ix + r2, rx + r1);
+	    }
+	}
+      else
+	{
+	  float s = __ieee754_hypotf (1.0f, rx);
+
+	  __real__ res = __log1pf (2.0f * rx * (rx + s)) / 2.0f;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2f (s, __imag__ x);
+	  else
+	    __imag__ res = __ieee754_atan2f (ix, s);
+	}
+      if (__real__ res < FLT_MIN)
+	{
+	  volatile float force_underflow = __real__ res * __real__ res;
+	  (void) force_underflow;
+	}
+    }
   else
     {
       __real__ y = (rx - ix) * (rx + ix) + 1.0f;
diff --git a/math/k_casinhl.c b/math/k_casinhl.c
index 8e5bbd4385..b5f94006f7 100644
--- a/math/k_casinhl.c
+++ b/math/k_casinhl.c
@@ -143,6 +143,58 @@ __kernel_casinhl (__complex__ long double x, int adj)
 	    __imag__ res = __ieee754_atan2l (1.0L + s2, rx + s1);
 	}
     }
+  else if (ix < 1.0L && rx < 0.5L)
+    {
+      if (ix >= LDBL_EPSILON)
+	{
+	  if (rx < LDBL_EPSILON * LDBL_EPSILON)
+	    {
+	      long double onemix2 = (1.0L + ix) * (1.0L - ix);
+	      long double s = __ieee754_sqrtl (onemix2);
+
+	      __real__ res = __log1pl (2.0L * rx / s) / 2.0L;
+	      if (adj)
+		__imag__ res = __ieee754_atan2l (s, __imag__ x);
+	      else
+		__imag__ res = __ieee754_atan2l (ix, s);
+	    }
+	  else
+	    {
+	      long double onemix2 = (1.0L + ix) * (1.0L - ix);
+	      long double rx2 = rx * rx;
+	      long double f = rx2 * (2.0L + rx2 + 2.0L * ix * ix);
+	      long double d = __ieee754_sqrtl (onemix2 * onemix2 + f);
+	      long double dp = d + onemix2;
+	      long double dm = f / dp;
+	      long double r1 = __ieee754_sqrtl ((dp + rx2) / 2.0L);
+	      long double r2 = rx * ix / r1;
+
+	      __real__ res
+		= __log1pl (rx2 + dm + 2.0L * (rx * r1 + ix * r2)) / 2.0L;
+	      if (adj)
+		__imag__ res = __ieee754_atan2l (rx + r1,
+						 __copysignl (ix + r2,
+							      __imag__ x));
+	      else
+		__imag__ res = __ieee754_atan2l (ix + r2, rx + r1);
+	    }
+	}
+      else
+	{
+	  long double s = __ieee754_hypotl (1.0L, rx);
+
+	  __real__ res = __log1pl (2.0L * rx * (rx + s)) / 2.0L;
+	  if (adj)
+	    __imag__ res = __ieee754_atan2l (s, __imag__ x);
+	  else
+	    __imag__ res = __ieee754_atan2l (ix, s);
+	}
+      if (__real__ res < LDBL_MIN)
+	{
+	  volatile long double force_underflow = __real__ res * __real__ res;
+	  (void) force_underflow;
+	}
+    }
   else
     {
       __real__ y = (rx - ix) * (rx + ix) + 1.0L;
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 0ea456bb94..3c5e58f39f 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -178,8 +178,10 @@
 #if defined TEST_FLOAT || defined TEST_DOUBLE \
   || (defined TEST_LDOUBLE && LDBL_MIN_EXP >= DBL_MIN_EXP)
 # define UNDERFLOW_EXCEPTION_DOUBLE	UNDERFLOW_EXCEPTION
+# define UNDERFLOW_EXCEPTION_OK_DOUBLE	UNDERFLOW_EXCEPTION_OK
 #else
 # define UNDERFLOW_EXCEPTION_DOUBLE	0
+# define UNDERFLOW_EXCEPTION_OK_DOUBLE	0
 #endif
 /* Values underflowing only for IBM long double or types with a larger least
    positive normal value.  */
@@ -1736,6 +1738,329 @@ cacos_test (void)
   TEST_c_c (cacos, -0x1.0000000000000000000000000001p0L, -0.0L, 3.141592653589793238462643383279502884197L, 1.962615573354718824241727964954454332780e-17L)
 #endif
 
+  TEST_c_c (cacos, 0x1p-23L, 0x0.ffffffp0L, 1.570796242501197085295336701632142060969L, -8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (cacos, 0x1p-23L, -0x0.ffffffp0L, 1.570796242501197085295336701632142060969L, 8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (cacos, -0x1p-23L, 0x0.ffffffp0L, 1.570796411088596153167306681647360823228L, -8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (cacos, -0x1p-23L, -0x0.ffffffp0L, 1.570796411088596153167306681647360823228L, 8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, 0x1p-23L, 4.391863861910487109445187743978204002614e-4L, -2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, 0x1p-23L, 3.141153467203602189751698864505105063797L, -2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, -0x1p-23L, 4.391863861910487109445187743978204002614e-4L, 2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, -0x1p-23L, 3.141153467203602189751698864505105063797L, 2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (cacos, 0x1.fp-129L, 0x0.ffffffp0L, 1.570796326794896619231321691639751442097L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, 0x1.fp-129L, -0x0.ffffffp0L, 1.570796326794896619231321691639751442097L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, 0x0.ffffffp0L, 1.570796326794896619231321691639751442101L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, -0x0.ffffffp0L, 1.570796326794896619231321691639751442101L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, 0x1.fp-129L, 3.452669847162035876032494826387364972849e-4L, -8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, 0x1.fp-129L, 3.141247386605077034875040133796864147700L, -8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, -0x1.fp-129L, 3.452669847162035876032494826387364972849e-4L, 8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, -0x1.fp-129L, 3.141247386605077034875040133796864147700L, 8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (cacos, 0.0L, 0x0.ffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, 0.0L, -0x0.ffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, -0.0L, 0x0.ffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, -0.0L, -0x0.ffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, 0.0L, 3.452669847162035876032494826387364972849e-4L, -0.0L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, 0.0L, 3.141247386605077034875040133796864147700L, -0.0L);
+  TEST_c_c (cacos, 0x0.ffffffp0L, -0.0L, 3.452669847162035876032494826387364972849e-4L, 0.0L);
+  TEST_c_c (cacos, -0x0.ffffffp0L, -0.0L, 3.141247386605077034875040133796864147700L, 0.0L);
+  TEST_c_c (cacos, 0x1p-23L, 0.5L, 1.570796220170866625230343643673321150378L, -4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (cacos, 0x1p-23L, -0.5L, 1.570796220170866625230343643673321150378L, 4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (cacos, -0x1p-23L, 0.5L, 1.570796433418926613232299739606181733819L, -4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (cacos, -0x1p-23L, -0.5L, 1.570796433418926613232299739606181733819L, 4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1p-23L, 1.047197551196603215914744618665204532273L, -1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (cacos, -0.5L, 0x1p-23L, 2.094395102393190022547898764614298351924L, -1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (cacos, 0.5L, -0x1p-23L, 1.047197551196603215914744618665204532273L, 1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (cacos, -0.5L, -0x1p-23L, 2.094395102393190022547898764614298351924L, 1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (cacos, 0x1.fp-129L, 0.5L, 1.570796326794896619231321691639751442096L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0x1.fp-129L, -0.5L, 1.570796326794896619231321691639751442096L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, 0.5L, 1.570796326794896619231321691639751442101L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-129L, -0.5L, 1.570796326794896619231321691639751442101L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1.fp-129L, 1.047197551196597746154214461093167628066L, -3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0.5L, 0x1.fp-129L, 2.094395102393195492308428922186335256131L, -3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, 0.5L, -0x1.fp-129L, 1.047197551196597746154214461093167628066L, 3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0.5L, -0x1.fp-129L, 2.094395102393195492308428922186335256131L, 3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, 0x1p-23L, 0x1p-23L, 1.570796207585607068450636380271254316214L, -1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (cacos, 0x1p-23L, -0x1p-23L, 1.570796207585607068450636380271254316214L, 1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (cacos, -0x1p-23L, 0x1p-23L, 1.570796446004186170012007003008248567984L, -1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (cacos, -0x1p-23L, -0x1p-23L, 1.570796446004186170012007003008248567984L, 1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (cacos, 0x1.fp-129L, 0x1p-23L, 1.570796326794896619231321691639751442096L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, 0x1.fp-129L, -0x1p-23L, 1.570796326794896619231321691639751442096L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, -0x1.fp-129L, 0x1p-23L, 1.570796326794896619231321691639751442101L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, -0x1.fp-129L, -0x1p-23L, 1.570796326794896619231321691639751442101L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, 0x1p-23L, 0x1.fp-129L, 1.570796207585607068449789347324000006847L, -2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0x1p-23L, 0x1.fp-129L, 1.570796446004186170012854035955502877351L, -2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, 0x1p-23L, -0x1.fp-129L, 1.570796207585607068449789347324000006847L, 2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0x1p-23L, -0x1.fp-129L, 1.570796446004186170012854035955502877351L, 2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, 0.0L, 0x1p-23L, 1.570796326794896619231321691639751442099L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, 0.0L, -0x1p-23L, 1.570796326794896619231321691639751442099L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, -0.0L, 0x1p-23L, 1.570796326794896619231321691639751442099L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, -0.0L, -0x1p-23L, 1.570796326794896619231321691639751442099L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (cacos, 0x1p-23L, 0.0L, 1.570796207585607068449789347324000006847L, -0.0L);
+  TEST_c_c (cacos, -0x1p-23L, 0.0L, 1.570796446004186170012854035955502877351L, -0.0L);
+  TEST_c_c (cacos, 0x1p-23L, -0.0L, 1.570796207585607068449789347324000006847L, 0.0L);
+  TEST_c_c (cacos, -0x1p-23L, -0.0L, 1.570796446004186170012854035955502877351L, 0.0L);
+  TEST_c_c (cacos, 0x1.fp-129L, 0x1.fp-129L, 1.570796326794896619231321691639751442096L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, 0x1.fp-129L, -0x1.fp-129L, 1.570796326794896619231321691639751442096L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0x1.fp-129L, 0x1.fp-129L, 1.570796326794896619231321691639751442101L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (cacos, -0x1.fp-129L, -0x1.fp-129L, 1.570796326794896619231321691639751442101L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1p-52L, 0x0.fffffffffffff8p0L, 1.570796326794896462222075823262236786996L, -8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (cacos, 0x1p-52L, -0x0.fffffffffffff8p0L, 1.570796326794896462222075823262236786996L, 8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (cacos, -0x1p-52L, 0x0.fffffffffffff8p0L, 1.570796326794896776240567560017266097201L, -8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (cacos, -0x1p-52L, -0x0.fffffffffffff8p0L, 1.570796326794896776240567560017266097201L, 8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, 0x1p-52L, 1.895456983915074112227925127005564372844e-8L, -1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, 0x1p-52L, 3.141592634635223399311902261000251614142L, -1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, -0x1p-52L, 1.895456983915074112227925127005564372844e-8L, 1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, -0x1p-52L, 3.141592634635223399311902261000251614142L, 1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, 0x1.fp-1025L, 1.490116119384765638786343542550461592240e-8L, -3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, 0x1.fp-1025L, 3.141592638688632044614986995416067458693L, -3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, -0x1.fp-1025L, 1.490116119384765638786343542550461592240e-8L, 3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, -0x1.fp-1025L, 3.141592638688632044614986995416067458693L, 3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, 0.0L, 0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, 0.0L, -0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, -0.0L, 0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, -0.0L, -0x0.fffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, 0.0L, 1.490116119384765638786343542550461592240e-8L, -0.0L);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, 0.0L, 3.141592638688632044614986995416067458693L, -0.0L);
+  TEST_c_c (cacos, 0x0.fffffffffffff8p0L, -0.0L, 1.490116119384765638786343542550461592240e-8L, 0.0L);
+  TEST_c_c (cacos, -0x0.fffffffffffff8p0L, -0.0L, 3.141592638688632044614986995416067458693L, 0.0L);
+#endif
+  TEST_c_c (cacos, 0x1p-52L, 0.5L, 1.570796326794896420628589431857911675917L, -4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (cacos, 0x1p-52L, -0.5L, 1.570796326794896420628589431857911675917L, 4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (cacos, -0x1p-52L, 0.5L, 1.570796326794896817834053951421591208280L, -4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (cacos, -0x1p-52L, -0.5L, 1.570796326794896817834053951421591208280L, 4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1p-52L, 1.047197551196597746154214461093186605110L, -2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (cacos, -0.5L, 0x1p-52L, 2.094395102393195492308428922186316279087L, -2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (cacos, 0.5L, -0x1p-52L, 1.047197551196597746154214461093186605110L, 2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (cacos, -0.5L, -0x1p-52L, 2.094395102393195492308428922186316279087L, 2.563950248511418570403591756798643804971e-16L);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1.fp-1025L, 0.5L, 1.570796326794896619231321691639751442099L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0.5L, 1.570796326794896619231321691639751442099L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0.5L, 1.570796326794896619231321691639751442099L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0.5L, 1.570796326794896619231321691639751442099L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1.fp-1025L, 1.047197551196597746154214461093167628066L, -6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0.5L, 0x1.fp-1025L, 2.094395102393195492308428922186335256131L, -6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, 0.5L, -0x1.fp-1025L, 1.047197551196597746154214461093167628066L, 6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0.5L, -0x1.fp-1025L, 2.094395102393195492308428922186335256131L, 6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (cacos, 0x1p-52L, 0x1p-52L, 1.570796326794896397186716766608443357372L, -2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (cacos, 0x1p-52L, -0x1p-52L, 1.570796326794896397186716766608443357372L, 2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (cacos, -0x1p-52L, 0x1p-52L, 1.570796326794896841275926616671059526825L, -2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (cacos, -0x1p-52L, -0x1p-52L, 1.570796326794896841275926616671059526825L, 2.220446049250313080847263336181677117148e-16L);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1p-52L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1p-52L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1p-52L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1p-52L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, 0x1p-52L, 0x1.fp-1025L, 1.570796326794896397186716766608443357372L, -5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1p-52L, 0x1.fp-1025L, 1.570796326794896841275926616671059526825L, -5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, 0x1p-52L, -0x1.fp-1025L, 1.570796326794896397186716766608443357372L, 5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1p-52L, -0x1.fp-1025L, 1.570796326794896841275926616671059526825L, 5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (cacos, 0.0L, 0x1p-52L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, 0.0L, -0x1p-52L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, -0.0L, 0x1p-52L, 1.570796326794896619231321691639751442099L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, -0.0L, -0x1p-52L, 1.570796326794896619231321691639751442099L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (cacos, 0x1p-52L, 0.0L, 1.570796326794896397186716766608443357372L, -0.0L);
+  TEST_c_c (cacos, -0x1p-52L, 0.0L, 1.570796326794896841275926616671059526825L, -0.0L);
+  TEST_c_c (cacos, 0x1p-52L, -0.0L, 1.570796326794896397186716766608443357372L, 0.0L);
+  TEST_c_c (cacos, -0x1p-52L, -0.0L, 1.570796326794896841275926616671059526825L, 0.0L);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1.fp-1025L, 1.570796326794896619231321691639751442099L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1.fp-1025L, 1.570796326794896619231321691639751442099L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (cacos, 0x1p-63L, 0x0.ffffffffffffffffp0L, 1.570796326794896619154657020805582738025L, -8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (cacos, 0x1p-63L, -0x0.ffffffffffffffffp0L, 1.570796326794896619154657020805582738025L, 8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (cacos, -0x1p-63L, 0x0.ffffffffffffffffp0L, 1.570796326794896619307986362473920146173L, -8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (cacos, -0x1p-63L, -0x0.ffffffffffffffffp0L, 1.570796326794896619307986362473920146173L, 8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, 0x1p-63L, 4.188407771167967636741951941902992986043e-10L, -2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, 0x1p-63L, 3.141592653170952461345846619605307690007L, -2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, -0x1p-63L, 4.188407771167967636741951941902992986043e-10L, 2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, -0x1p-63L, 3.141592653170952461345846619605307690007L, 2.588578361325995866221775673638805081337e-10L);
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 3.292722539913596233371825532007990724506e-10L, -2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 3.141592653260520984471283759942320330996L, -2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 3.292722539913596233371825532007990724506e-10L, 2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 3.141592653260520984471283759942320330996L, 2.472906068161537187835415298076415423459e-4923L);
+# endif
+  TEST_c_c (cacos, 0.0L, 0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, 0.0L, -0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, -0.0L, 0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, -0.0L, -0x0.ffffffffffffffffp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, 0.0L, 3.292722539913596233371825532007990724506e-10L, -0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, 0.0L, 3.141592653260520984471283759942320330996L, -0.0L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffp0L, -0.0L, 3.292722539913596233371825532007990724506e-10L, 0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffp0L, -0.0L, 3.141592653260520984471283759942320330996L, 0.0L);
+#endif
+  TEST_c_c (cacos, 0x1p-63L, 0.5L, 1.570796326794896619134347701278529840650L, -4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (cacos, 0x1p-63L, -0.5L, 1.570796326794896619134347701278529840650L, 4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (cacos, -0x1p-63L, 0.5L, 1.570796326794896619328295682000973043547L, -4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (cacos, -0x1p-63L, -0.5L, 1.570796326794896619328295682000973043547L, 4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1p-63L, 1.047197551196597746154214461093167628070L, -1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (cacos, -0.5L, 0x1p-63L, 2.094395102393195492308428922186335256127L, -1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (cacos, 0.5L, -0x1p-63L, 1.047197551196597746154214461093167628070L, 1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (cacos, -0.5L, -0x1p-63L, 2.094395102393195492308428922186335256127L, 1.251928832280966098829878787499365228659e-19L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0.5L, 1.570796326794896619231321691639751442099L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0.5L, 1.570796326794896619231321691639751442099L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0.5L, 1.570796326794896619231321691639751442099L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0.5L, 1.570796326794896619231321691639751442099L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1.fp-16385L, 1.047197551196597746154214461093167628066L, -9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0.5L, 0x1.fp-16385L, 2.094395102393195492308428922186335256131L, -9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, 0.5L, -0x1.fp-16385L, 1.047197551196597746154214461093167628066L, 9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0.5L, -0x1.fp-16385L, 2.094395102393195492308428922186335256131L, 9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (cacos, 0x1p-63L, 0x1p-63L, 1.570796326794896619122901474391200998698L, -1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (cacos, 0x1p-63L, -0x1p-63L, 1.570796326794896619122901474391200998698L, 1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (cacos, -0x1p-63L, 0x1p-63L, 1.570796326794896619339741908888301885499L, -1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (cacos, -0x1p-63L, -0x1p-63L, 1.570796326794896619339741908888301885499L, 1.084202172485504434007452800869941711430e-19L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1p-63L, 1.570796326794896619231321691639751442099L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1p-63L, 1.570796326794896619231321691639751442099L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1p-63L, 1.570796326794896619231321691639751442099L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1p-63L, 1.570796326794896619231321691639751442099L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, 0x1p-63L, 0x1.fp-16385L, 1.570796326794896619122901474391200998698L, -8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1p-63L, 0x1.fp-16385L, 1.570796326794896619339741908888301885499L, -8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, 0x1p-63L, -0x1.fp-16385L, 1.570796326794896619122901474391200998698L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1p-63L, -0x1.fp-16385L, 1.570796326794896619339741908888301885499L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (cacos, 0.0L, 0x1p-63L, 1.570796326794896619231321691639751442099L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, 0.0L, -0x1p-63L, 1.570796326794896619231321691639751442099L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, -0.0L, 0x1p-63L, 1.570796326794896619231321691639751442099L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, -0.0L, -0x1p-63L, 1.570796326794896619231321691639751442099L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (cacos, 0x1p-63L, 0.0L, 1.570796326794896619122901474391200998698L, -0.0L);
+  TEST_c_c (cacos, -0x1p-63L, 0.0L, 1.570796326794896619339741908888301885499L, -0.0L);
+  TEST_c_c (cacos, 0x1p-63L, -0.0L, 1.570796326794896619122901474391200998698L, 0.0L);
+  TEST_c_c (cacos, -0x1p-63L, -0.0L, 1.570796326794896619339741908888301885499L, 0.0L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1.fp-16385L, 1.570796326794896619231321691639751442099L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1.fp-16385L, 1.570796326794896619231321691639751442099L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (cacos, 0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639734010571L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639734010571L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639768873627L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639768873627L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 1.997188458999618357060632049675702684031e-16L, -1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 3.141592653589793038743797483317667178134L, -1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 1.997188458999618357060632049675702684031e-16L, 1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 3.141592653589793038743797483317667178134L, 1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 1.570092458683775059393382371963565104164e-16L, -3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 3.141592653589793081453397514901996944859L, -3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 1.570092458683775059393382371963565104164e-16L, 3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 3.141592653589793081453397514901996944859L, 3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (cacos, 0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, -0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 1.570092458683775059393382371963565104164e-16L, -0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 3.141592653589793081453397514901996944859L, -0.0L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 1.570092458683775059393382371963565104164e-16L, 0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 3.141592653589793081453397514901996944859L, 0.0L);
+#endif
+  TEST_c_c (cacos, 0x1p-105L, 0.5L, 1.570796326794896619231321691639729392766L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0x1p-105L, -0.5L, 1.570796326794896619231321691639729392766L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1p-105L, 0.5L, 1.570796326794896619231321691639773491431L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1p-105L, -0.5L, 1.570796326794896619231321691639773491431L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1p-105L, 1.047197551196597746154214461093167628066L, -2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (cacos, -0.5L, 0x1p-105L, 2.094395102393195492308428922186335256131L, -2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (cacos, 0.5L, -0x1p-105L, 1.047197551196597746154214461093167628066L, 2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (cacos, -0.5L, -0x1p-105L, 2.094395102393195492308428922186335256131L, 2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (cacos, 0x1p-105L, 0x1p-105L, 1.570796326794896619231321691639726790195L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, 0x1p-105L, -0x1p-105L, 1.570796326794896619231321691639726790195L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0x1p-105L, 0x1p-105L, 1.570796326794896619231321691639776094002L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0x1p-105L, -0x1p-105L, 1.570796326794896619231321691639776094002L, 2.465190328815661891911651766508706967729e-32L);
+#ifndef TEST_FLOAT
+  TEST_c_c (cacos, 0x1.fp-1025L, 0x1p-105L, 1.570796326794896619231321691639751442099L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, 0x1.fp-1025L, -0x1p-105L, 1.570796326794896619231321691639751442099L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0x1.fp-1025L, 0x1p-105L, 1.570796326794896619231321691639751442099L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0x1.fp-1025L, -0x1p-105L, 1.570796326794896619231321691639751442099L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, 0x1p-105L, 0x1.fp-1025L, 1.570796326794896619231321691639726790195L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1p-105L, 0x1.fp-1025L, 1.570796326794896619231321691639776094002L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, 0x1p-105L, -0x1.fp-1025L, 1.570796326794896619231321691639726790195L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (cacos, -0x1p-105L, -0x1.fp-1025L, 1.570796326794896619231321691639776094002L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (cacos, 0.0L, 0x1p-105L, 1.570796326794896619231321691639751442099L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, 0.0L, -0x1p-105L, 1.570796326794896619231321691639751442099L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0.0L, 0x1p-105L, 1.570796326794896619231321691639751442099L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, -0.0L, -0x1p-105L, 1.570796326794896619231321691639751442099L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (cacos, 0x1p-105L, 0.0L, 1.570796326794896619231321691639726790195L, -0.0L);
+  TEST_c_c (cacos, -0x1p-105L, 0.0L, 1.570796326794896619231321691639776094002L, -0.0L);
+  TEST_c_c (cacos, 0x1p-105L, -0.0L, 1.570796326794896619231321691639726790195L, 0.0L);
+  TEST_c_c (cacos, -0x1p-105L, -0.0L, 1.570796326794896619231321691639776094002L, 0.0L);
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (cacos, 0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751305915L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751305915L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751578282L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751578282L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 1.765281878332676474347460257221369818872e-17L, -1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 3.141592653589793220809824599952738140723L, -1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 1.765281878332676474347460257221369818872e-17L, 1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 3.141592653589793220809824599952738140723L, 1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 1.387778780781445675529539585113525401762e-17L, -5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 3.141592653589793224584855575465046128902L, -5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 1.387778780781445675529539585113525401762e-17L, 5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 3.141592653589793224584855575465046128902L, 5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (cacos, 0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, -0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.570796326794896619231321691639751442099L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 1.387778780781445675529539585113525401762e-17L, -0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 3.141592653589793224584855575465046128902L, -0.0L);
+  TEST_c_c (cacos, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 1.387778780781445675529539585113525401762e-17L, 0.0L);
+  TEST_c_c (cacos, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 3.141592653589793224584855575465046128902L, 0.0L);
+#endif
+  TEST_c_c (cacos, 0x1p-112L, 0.5L, 1.570796326794896619231321691639751269838L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0x1p-112L, -0.5L, 1.570796326794896619231321691639751269838L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1p-112L, 0.5L, 1.570796326794896619231321691639751614359L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, -0x1p-112L, -0.5L, 1.570796326794896619231321691639751614359L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (cacos, 0.5L, 0x1p-112L, 1.047197551196597746154214461093167628066L, -2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (cacos, -0.5L, 0x1p-112L, 2.094395102393195492308428922186335256131L, -2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (cacos, 0.5L, -0x1p-112L, 1.047197551196597746154214461093167628066L, 2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (cacos, -0.5L, -0x1p-112L, 2.094395102393195492308428922186335256131L, 2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (cacos, 0x1p-112L, 0x1p-112L, 1.570796326794896619231321691639751249506L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, 0x1p-112L, -0x1p-112L, 1.570796326794896619231321691639751249506L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0x1p-112L, 0x1p-112L, 1.570796326794896619231321691639751634692L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0x1p-112L, -0x1p-112L, 1.570796326794896619231321691639751634692L, 1.925929944387235853055977942584927318538e-34L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (cacos, 0x1.fp-16385L, 0x1p-112L, 1.570796326794896619231321691639751442099L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, 0x1.fp-16385L, -0x1p-112L, 1.570796326794896619231321691639751442099L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0x1.fp-16385L, 0x1p-112L, 1.570796326794896619231321691639751442099L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0x1.fp-16385L, -0x1p-112L, 1.570796326794896619231321691639751442099L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, 0x1p-112L, 0x1.fp-16385L, 1.570796326794896619231321691639751249506L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1p-112L, 0x1.fp-16385L, 1.570796326794896619231321691639751634692L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, 0x1p-112L, -0x1.fp-16385L, 1.570796326794896619231321691639751249506L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (cacos, -0x1p-112L, -0x1.fp-16385L, 1.570796326794896619231321691639751634692L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (cacos, 0.0L, 0x1p-112L, 1.570796326794896619231321691639751442099L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, 0.0L, -0x1p-112L, 1.570796326794896619231321691639751442099L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0.0L, 0x1p-112L, 1.570796326794896619231321691639751442099L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, -0.0L, -0x1p-112L, 1.570796326794896619231321691639751442099L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (cacos, 0x1p-112L, 0.0L, 1.570796326794896619231321691639751249506L, -0.0L);
+  TEST_c_c (cacos, -0x1p-112L, 0.0L, 1.570796326794896619231321691639751634692L, -0.0L);
+  TEST_c_c (cacos, 0x1p-112L, -0.0L, 1.570796326794896619231321691639751249506L, 0.0L);
+  TEST_c_c (cacos, -0x1p-112L, -0.0L, 1.570796326794896619231321691639751634692L, 0.0L);
+
   TEST_c_c (cacos, 0.75L, 1.25L, 1.11752014915610270578240049553777969L, -1.13239363160530819522266333696834467L);
   TEST_c_c (cacos, -2, -3, 2.1414491111159960199416055713254211L, 1.9833870299165354323470769028940395L);
 
@@ -2263,6 +2588,332 @@ casin_test (void)
   TEST_c_c (casin, -0x1.0000000000000000000000000001p0L, -0.0L, -1.570796326794896619231321691639751442099L, -1.962615573354718824241727964954454332780e-17L)
 #endif
 
+  TEST_c_c (casin, 0x1p-23L, 0x0.ffffffp0L, 8.429369953393598499000760938112968755257e-8L, 8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (casin, 0x1p-23L, -0x0.ffffffp0L, 8.429369953393598499000760938112968755257e-8L, -8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (casin, -0x1p-23L, 0x0.ffffffp0L, -8.429369953393598499000760938112968755257e-8L, 8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (casin, -0x1p-23L, -0x0.ffffffp0L, -8.429369953393598499000760938112968755257e-8L, -8.813735448726963984495965873956465777250e-1L);
+  TEST_c_c (casin, 0x0.ffffffp0L, 0x1p-23L, 1.570357140408705570520377172865353621698L, 2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (casin, -0x0.ffffffp0L, 0x1p-23L, -1.570357140408705570520377172865353621698L, 2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (casin, 0x0.ffffffp0L, -0x1p-23L, 1.570357140408705570520377172865353621698L, -2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (casin, -0x0.ffffffp0L, -0x1p-23L, -1.570357140408705570520377172865353621698L, -2.714321200917194650737217746780928423385e-4L);
+  TEST_c_c (casin, 0x1.fp-129L, 0x0.ffffffp0L, 2.013062624689288675911339929224634593425e-39L, 8.813735448726938863015878255140556727969e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1.fp-129L, -0x0.ffffffp0L, 2.013062624689288675911339929224634593425e-39L, -8.813735448726938863015878255140556727969e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, 0x0.ffffffp0L, -2.013062624689288675911339929224634593425e-39L, 8.813735448726938863015878255140556727969e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, -0x0.ffffffp0L, -2.013062624689288675911339929224634593425e-39L, -8.813735448726938863015878255140556727969e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x0.ffffffp0L, 0x1.fp-129L, 1.570451059810180415643718442157112705601L, 8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (casin, -0x0.ffffffp0L, 0x1.fp-129L, -1.570451059810180415643718442157112705601L, 8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (casin, 0x0.ffffffp0L, -0x1.fp-129L, 1.570451059810180415643718442157112705601L, -8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (casin, -0x0.ffffffp0L, -0x1.fp-129L, -1.570451059810180415643718442157112705601L, -8.245504387859737323891843603996428534945e-36L);
+  TEST_c_c (casin, 0.0L, 0x0.ffffffp0L, 0.0L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (casin, 0.0L, -0x0.ffffffp0L, 0.0L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (casin, -0.0L, 0x0.ffffffp0L, -0.0L, 8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (casin, -0.0L, -0x0.ffffffp0L, -0.0L, -8.813735448726938863015878255140556727969e-1L);
+  TEST_c_c (casin, 0x0.ffffffp0L, 0.0L, 1.570451059810180415643718442157112705601L, 0.0L);
+  TEST_c_c (casin, -0x0.ffffffp0L, 0.0L, -1.570451059810180415643718442157112705601L, 0.0L);
+  TEST_c_c (casin, 0x0.ffffffp0L, -0.0L, 1.570451059810180415643718442157112705601L, -0.0L);
+  TEST_c_c (casin, -0x0.ffffffp0L, -0.0L, -1.570451059810180415643718442157112705601L, -0.0L);
+  TEST_c_c (casin, 0x1p-23L, 0.5L, 1.066240299940009780479664302917201696886e-7L, 4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (casin, 0x1p-23L, -0.5L, 1.066240299940009780479664302917201696886e-7L, -4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (casin, -0x1p-23L, 0.5L, -1.066240299940009780479664302917201696886e-7L, 4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (casin, -0x1p-23L, -0.5L, -1.066240299940009780479664302917201696886e-7L, -4.812118250596059896127318386463676808798e-1L);
+  TEST_c_c (casin, 0.5L, 0x1p-23L, 5.235987755982934033165770729745469098254e-1L, 1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (casin, -0.5L, 0x1p-23L, -5.235987755982934033165770729745469098254e-1L, 1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (casin, 0.5L, -0x1p-23L, 5.235987755982934033165770729745469098254e-1L, -1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (casin, -0.5L, -0x1p-23L, -5.235987755982934033165770729745469098254e-1L, -1.376510308240943236356088341381173571841e-7L);
+  TEST_c_c (casin, 0x1.fp-129L, 0.5L, 2.546345110742945032959687790021055102355e-39L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1.fp-129L, -0.5L, 2.546345110742945032959687790021055102355e-39L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, 0.5L, -2.546345110742945032959687790021055102355e-39L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, -0.5L, -2.546345110742945032959687790021055102355e-39L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0.5L, 0x1.fp-129L, 5.235987755982988730771072305465838140329e-1L, 3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0.5L, 0x1.fp-129L, -5.235987755982988730771072305465838140329e-1L, 3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0.5L, -0x1.fp-129L, 5.235987755982988730771072305465838140329e-1L, -3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0.5L, -0x1.fp-129L, -5.235987755982988730771072305465838140329e-1L, -3.287317402534702257036015056278368274737e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1p-23L, 0x1p-23L, 1.192092895507806853113684971258850504935e-7L, 1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (casin, 0x1p-23L, -0x1p-23L, 1.192092895507806853113684971258850504935e-7L, -1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (casin, -0x1p-23L, 0x1p-23L, -1.192092895507806853113684971258850504935e-7L, 1.192092895507818146886315028596704749235e-7L);
+  TEST_c_c (casin, -0x1p-23L, -0x1p-23L, -1.192092895507806853113684971258850504935e-7L, -1.192092895507818146886315028596704749235e-7L);
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casin, 0x1.fp-129L, 0x1p-23L, 2.846900380897707329917933005874691056564e-39L, 1.192092895507809676556842485683592032154e-7L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casin, 0x1.fp-129L, -0x1p-23L, 2.846900380897707329917933005874691056564e-39L, -1.192092895507809676556842485683592032154e-7L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, 0x1p-23L, -2.846900380897707329917933005874691056564e-39L, 1.192092895507809676556842485683592032154e-7L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, -0x1p-23L, -2.846900380897707329917933005874691056564e-39L, -1.192092895507809676556842485683592032154e-7L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casin, 0x1p-23L, 0x1.fp-129L, 1.192092895507815323443157514352519154304e-7L, 2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1p-23L, 0x1.fp-129L, -1.192092895507815323443157514352519154304e-7L, 2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1p-23L, -0x1.fp-129L, 1.192092895507815323443157514352519154304e-7L, -2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1p-23L, -0x1.fp-129L, -1.192092895507815323443157514352519154304e-7L, -2.846900380897747786805634596726756660388e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0.0L, 0x1p-23L, 0.0L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (casin, 0.0L, -0x1p-23L, 0.0L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (casin, -0.0L, 0x1p-23L, -0.0L, 1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (casin, -0.0L, -0x1p-23L, -0.0L, -1.192092895507809676556842485683592032154e-7L);
+  TEST_c_c (casin, 0x1p-23L, 0.0L, 1.192092895507815323443157514352519154304e-7L, 0.0L);
+  TEST_c_c (casin, -0x1p-23L, 0.0L, -1.192092895507815323443157514352519154304e-7L, 0.0L);
+  TEST_c_c (casin, 0x1p-23L, -0.0L, 1.192092895507815323443157514352519154304e-7L, -0.0L);
+  TEST_c_c (casin, -0x1p-23L, -0.0L, -1.192092895507815323443157514352519154304e-7L, -0.0L);
+  TEST_c_c (casin, 0x1.fp-129L, 0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, 0x1.fp-129L, -0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, 0x1.fp-129L, -2.846900380897727558361783801085126250967e-39L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casin, -0x1.fp-129L, -0x1.fp-129L, -2.846900380897727558361783801085126250967e-39L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1p-52L, 0x0.fffffffffffff8p0L, 1.570092458683775146551022293016031474627e-16L, 8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (casin, 0x1p-52L, -0x0.fffffffffffff8p0L, 1.570092458683775146551022293016031474627e-16L, -8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (casin, -0x1p-52L, 0x0.fffffffffffff8p0L, -1.570092458683775146551022293016031474627e-16L, 8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (casin, -0x1p-52L, -0x0.fffffffffffff8p0L, -1.570092458683775146551022293016031474627e-16L, -8.813735870195429467279863907910458761820e-1L);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, 0x1p-52L, 1.570796307840326780080580569360500172043L, 1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, 0x1p-52L, -1.570796307840326780080580569360500172043L, 1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, -0x1p-52L, 1.570796307840326780080580569360500172043L, -1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, -0x1p-52L, -1.570796307840326780080580569360500172043L, -1.171456840272878582596796205397918831268e-8L);
+  TEST_c_c (casin, 0x1.fp-1025L, 0x0.fffffffffffff8p0L, 3.810492908885321954658152505985270452320e-309L, 8.813735870195429467279863907910371604180e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0x0.fffffffffffff8p0L, 3.810492908885321954658152505985270452320e-309L, -8.813735870195429467279863907910371604180e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0x0.fffffffffffff8p0L, -3.810492908885321954658152505985270452320e-309L, 8.813735870195429467279863907910371604180e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0x0.fffffffffffff8p0L, -3.810492908885321954658152505985270452320e-309L, -8.813735870195429467279863907910371604180e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, 0x1.fp-1025L, 1.570796311893735425383665303776316016594L, 3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, 0x1.fp-1025L, -1.570796311893735425383665303776316016594L, 3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, -0x1.fp-1025L, 1.570796311893735425383665303776316016594L, -3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, -0x1.fp-1025L, -1.570796311893735425383665303776316016594L, -3.616396521699973256461764099945789620604e-301L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 0.0L, 0x0.fffffffffffff8p0L, 0.0L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (casin, 0.0L, -0x0.fffffffffffff8p0L, 0.0L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (casin, -0.0L, 0x0.fffffffffffff8p0L, -0.0L, 8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (casin, -0.0L, -0x0.fffffffffffff8p0L, -0.0L, -8.813735870195429467279863907910371604180e-1L);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, 0.0L, 1.570796311893735425383665303776316016594L, 0.0L);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, 0.0L, -1.570796311893735425383665303776316016594L, 0.0L);
+  TEST_c_c (casin, 0x0.fffffffffffff8p0L, -0.0L, 1.570796311893735425383665303776316016594L, -0.0L);
+  TEST_c_c (casin, -0x0.fffffffffffff8p0L, -0.0L, -1.570796311893735425383665303776316016594L, -0.0L);
+#endif
+  TEST_c_c (casin, 0x1p-52L, 0.5L, 1.986027322597818397661816253158024383707e-16L, 4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (casin, 0x1p-52L, -0.5L, 1.986027322597818397661816253158024383707e-16L, -4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (casin, -0x1p-52L, 0.5L, -1.986027322597818397661816253158024383707e-16L, 4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (casin, -0x1p-52L, -0.5L, -1.986027322597818397661816253158024383707e-16L, -4.812118250596034474977589134243772428682e-1L);
+  TEST_c_c (casin, 0.5L, 0x1p-52L, 5.235987755982988730771072305465648369889e-1L, 2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (casin, -0.5L, 0x1p-52L, -5.235987755982988730771072305465648369889e-1L, 2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (casin, 0.5L, -0x1p-52L, 5.235987755982988730771072305465648369889e-1L, -2.563950248511418570403591756798643804971e-16L);
+  TEST_c_c (casin, -0.5L, -0x1p-52L, -5.235987755982988730771072305465648369889e-1L, -2.563950248511418570403591756798643804971e-16L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1.fp-1025L, 0.5L, 4.819934639999230680322935210539402497827e-309L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0.5L, 4.819934639999230680322935210539402497827e-309L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0.5L, -4.819934639999230680322935210539402497827e-309L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0.5L, -4.819934639999230680322935210539402497827e-309L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0.5L, 0x1.fp-1025L, 5.235987755982988730771072305465838140329e-1L, 6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0.5L, 0x1.fp-1025L, -5.235987755982988730771072305465838140329e-1L, 6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0.5L, -0x1.fp-1025L, 5.235987755982988730771072305465838140329e-1L, -6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0.5L, -0x1.fp-1025L, -5.235987755982988730771072305465838140329e-1L, -6.222508863508420569166420770843207333493e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (casin, 0x1p-52L, 0x1p-52L, 2.220446049250313080847263336181604132852e-16L, 2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (casin, 0x1p-52L, -0x1p-52L, 2.220446049250313080847263336181604132852e-16L, -2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (casin, -0x1p-52L, 0x1p-52L, -2.220446049250313080847263336181604132852e-16L, 2.220446049250313080847263336181677117148e-16L);
+  TEST_c_c (casin, -0x1p-52L, -0x1p-52L, -2.220446049250313080847263336181604132852e-16L, -2.220446049250313080847263336181677117148e-16L);
+#ifndef TEST_FLOAT
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1p-52L, 5.388850751072128349671657362289283247603e-309L, 2.220446049250313080847263336181622378926e-16L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1p-52L, 5.388850751072128349671657362289283247603e-309L, -2.220446049250313080847263336181622378926e-16L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1p-52L, -5.388850751072128349671657362289283247603e-309L, 2.220446049250313080847263336181622378926e-16L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1p-52L, -5.388850751072128349671657362289283247603e-309L, -2.220446049250313080847263336181622378926e-16L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, 0x1p-52L, 0x1.fp-1025L, 2.220446049250313080847263336181658871074e-16L, 5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1p-52L, 0x1.fp-1025L, -2.220446049250313080847263336181658871074e-16L, 5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1p-52L, -0x1.fp-1025L, 2.220446049250313080847263336181658871074e-16L, -5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1p-52L, -0x1.fp-1025L, -2.220446049250313080847263336181658871074e-16L, -5.388850751072128349671657362289548938458e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (casin, 0.0L, 0x1p-52L, 0.0L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (casin, 0.0L, -0x1p-52L, 0.0L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (casin, -0.0L, 0x1p-52L, -0.0L, 2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (casin, -0.0L, -0x1p-52L, -0.0L, -2.220446049250313080847263336181622378926e-16L);
+  TEST_c_c (casin, 0x1p-52L, 0.0L, 2.220446049250313080847263336181658871074e-16L, 0.0L);
+  TEST_c_c (casin, -0x1p-52L, 0.0L, -2.220446049250313080847263336181658871074e-16L, 0.0L);
+  TEST_c_c (casin, 0x1p-52L, -0.0L, 2.220446049250313080847263336181658871074e-16L, -0.0L);
+  TEST_c_c (casin, -0x1p-52L, -0.0L, -2.220446049250313080847263336181658871074e-16L, -0.0L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1.fp-1025L, -5.388850751072128349671657362289416093031e-309L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1.fp-1025L, -5.388850751072128349671657362289416093031e-309L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casin, 0x1p-63L, 0x0.ffffffffffffffffp0L, 7.666467083416870407402049869781566856442e-20L, 8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (casin, 0x1p-63L, -0x0.ffffffffffffffffp0L, 7.666467083416870407402049869781566856442e-20L, -8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (casin, -0x1p-63L, 0x0.ffffffffffffffffp0L, -7.666467083416870407402049869781566856442e-20L, 8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (casin, -0x1p-63L, -0x0.ffffffffffffffffp0L, -7.666467083416870407402049869781566856442e-20L, -8.813735870195430251942769895627079569937e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, 0x1p-63L, 1.570796326376055842114524927965556247908L, 2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, 0x1p-63L, -1.570796326376055842114524927965556247908L, 2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, -0x1p-63L, 1.570796326376055842114524927965556247908L, -2.588578361325995866221775673638805081337e-10L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, -0x1p-63L, -1.570796326376055842114524927965556247908L, -2.588578361325995866221775673638805081337e-10L);
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 5.757683115456107044287327268904964422212e-4933L, 8.813735870195430251942769895627079569917e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 5.757683115456107044287327268904964422212e-4933L, -8.813735870195430251942769895627079569917e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0x0.ffffffffffffffffp0L, -5.757683115456107044287327268904964422212e-4933L, 8.813735870195430251942769895627079569917e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0x0.ffffffffffffffffp0L, -5.757683115456107044287327268904964422212e-4933L, -8.813735870195430251942769895627079569917e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 1.570796326465624365239962068302568888898L, 2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, 0x1.fp-16385L, -1.570796326465624365239962068302568888898L, 2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 1.570796326465624365239962068302568888898L, -2.472906068161537187835415298076415423459e-4923L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, -0x1.fp-16385L, -1.570796326465624365239962068302568888898L, -2.472906068161537187835415298076415423459e-4923L);
+# endif
+  TEST_c_c (casin, 0.0L, 0x0.ffffffffffffffffp0L, 0.0L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (casin, 0.0L, -0x0.ffffffffffffffffp0L, 0.0L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (casin, -0.0L, 0x0.ffffffffffffffffp0L, -0.0L, 8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (casin, -0.0L, -0x0.ffffffffffffffffp0L, -0.0L, -8.813735870195430251942769895627079569917e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, 0.0L, 1.570796326465624365239962068302568888898L, 0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, 0.0L, -1.570796326465624365239962068302568888898L, 0.0L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffp0L, -0.0L, 1.570796326465624365239962068302568888898L, -0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffp0L, -0.0L, -1.570796326465624365239962068302568888898L, -0.0L);
+#endif
+  TEST_c_c (casin, 0x1p-63L, 0.5L, 9.697399036122160144833087173623140436413e-20L, 4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (casin, 0x1p-63L, -0.5L, 9.697399036122160144833087173623140436413e-20L, -4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (casin, -0x1p-63L, 0.5L, -9.697399036122160144833087173623140436413e-20L, 4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (casin, -0x1p-63L, -0.5L, -9.697399036122160144833087173623140436413e-20L, -4.812118250596034474977589134243684231373e-1L);
+  TEST_c_c (casin, 0.5L, 0x1p-63L, 5.235987755982988730771072305465838140283e-1L, 1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (casin, -0.5L, 0x1p-63L, -5.235987755982988730771072305465838140283e-1L, 1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (casin, 0.5L, -0x1p-63L, 5.235987755982988730771072305465838140283e-1L, -1.251928832280966098829878787499365228659e-19L);
+  TEST_c_c (casin, -0.5L, -0x1p-63L, -5.235987755982988730771072305465838140283e-1L, -1.251928832280966098829878787499365228659e-19L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0.5L, 7.282957076134209141226696333885150260319e-4933L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0.5L, 7.282957076134209141226696333885150260319e-4933L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0.5L, -7.282957076134209141226696333885150260319e-4933L, 4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0.5L, -7.282957076134209141226696333885150260319e-4933L, -4.812118250596034474977589134243684231352e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0.5L, 0x1.fp-16385L, 5.235987755982988730771072305465838140329e-1L, 9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0.5L, 0x1.fp-16385L, -5.235987755982988730771072305465838140329e-1L, 9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0.5L, -0x1.fp-16385L, 5.235987755982988730771072305465838140329e-1L, -9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0.5L, -0x1.fp-16385L, -5.235987755982988730771072305465838140329e-1L, -9.402257155670418112159334875199821342890e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casin, 0x1p-63L, 0x1p-63L, 1.084202172485504434007452800869941711422e-19L, 1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (casin, 0x1p-63L, -0x1p-63L, 1.084202172485504434007452800869941711422e-19L, -1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (casin, -0x1p-63L, 0x1p-63L, -1.084202172485504434007452800869941711422e-19L, 1.084202172485504434007452800869941711430e-19L);
+  TEST_c_c (casin, -0x1p-63L, -0x1p-63L, -1.084202172485504434007452800869941711422e-19L, -1.084202172485504434007452800869941711430e-19L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1p-63L, 8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, 1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1p-63L, -8.142593549724601460479922838826119584369e-4933L, -1.084202172485504434007452800869941711424e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1p-63L, 0x1.fp-16385L, 1.084202172485504434007452800869941711428e-19L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1p-63L, 0x1.fp-16385L, -1.084202172485504434007452800869941711428e-19L, 8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1p-63L, -0x1.fp-16385L, 1.084202172485504434007452800869941711428e-19L, -8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1p-63L, -0x1.fp-16385L, -1.084202172485504434007452800869941711428e-19L, -8.142593549724601460479922838826119584465e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casin, 0.0L, 0x1p-63L, 0.0L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (casin, 0.0L, -0x1p-63L, 0.0L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (casin, -0.0L, 0x1p-63L, -0.0L, 1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (casin, -0.0L, -0x1p-63L, -0.0L, -1.084202172485504434007452800869941711424e-19L);
+  TEST_c_c (casin, 0x1p-63L, 0.0L, 1.084202172485504434007452800869941711428e-19L, 0.0L);
+  TEST_c_c (casin, -0x1p-63L, 0.0L, -1.084202172485504434007452800869941711428e-19L, 0.0L);
+  TEST_c_c (casin, 0x1p-63L, -0.0L, 1.084202172485504434007452800869941711428e-19L, -0.0L);
+  TEST_c_c (casin, -0x1p-63L, -0.0L, -1.084202172485504434007452800869941711428e-19L, -0.0L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1.fp-16385L, -8.142593549724601460479922838826119584417e-4933L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1.fp-16385L, -8.142593549724601460479922838826119584417e-4933L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casin, 0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 1.743152798421049375791483240187377443526e-32L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, 0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 1.743152798421049375791483240187377443526e-32L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, -0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, -1.743152798421049375791483240187377443526e-32L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, -0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, -1.743152798421049375791483240187377443526e-32L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 1.570796326794896419512475791677915736035L, 1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, -1.570796326794896419512475791677915736035L, 1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 1.570796326794896419512475791677915736035L, -1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, -1.570796326794896419512475791677915736035L, -1.234330349600789959989661887846005659983e-16L);
+  TEST_c_c (casin, 0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 3.810492908885321743133304375216641110205e-309L, 8.813735870195430252326093249797835932642e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 3.810492908885321743133304375216641110205e-309L, -8.813735870195430252326093249797835932642e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, -3.810492908885321743133304375216641110205e-309L, 8.813735870195430252326093249797835932642e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, -3.810492908885321743133304375216641110205e-309L, -8.813735870195430252326093249797835932642e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 1.570796326794896462222075823262245502760L, 3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, -1.570796326794896462222075823262245502760L, 3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 1.570796326794896462222075823262245502760L, -3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, -1.570796326794896462222075823262245502760L, -3.432186888910770473784103112009399360940e-293L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casin, 0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, 0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, -0.0L, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, -0.0L, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, -8.813735870195430252326093249797835932642e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 1.570796326794896462222075823262245502760L, 0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, -1.570796326794896462222075823262245502760L, 0.0L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 1.570796326794896462222075823262245502760L, -0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, -1.570796326794896462222075823262245502760L, -0.0L);
+#endif
+  TEST_c_c (casin, 0x1p-105L, 0.5L, 2.204933261082751447436996198490110245167e-32L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, 0x1p-105L, -0.5L, 2.204933261082751447436996198490110245167e-32L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, -0x1p-105L, 0.5L, -2.204933261082751447436996198490110245167e-32L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, -0x1p-105L, -0.5L, -2.204933261082751447436996198490110245167e-32L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, 0.5L, 0x1p-105L, 5.235987755982988730771072305465838140329e-1L, 2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (casin, -0.5L, 0x1p-105L, -5.235987755982988730771072305465838140329e-1L, 2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (casin, 0.5L, -0x1p-105L, 5.235987755982988730771072305465838140329e-1L, -2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (casin, -0.5L, -0x1p-105L, -5.235987755982988730771072305465838140329e-1L, -2.846556599890768890940941645338546615370e-32L);
+  TEST_c_c (casin, 0x1p-105L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, 0x1p-105L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, -0x1p-105L, 0x1p-105L, -2.465190328815661891911651766508706967729e-32L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, -0x1p-105L, -0x1p-105L, -2.465190328815661891911651766508706967729e-32L, -2.465190328815661891911651766508706967729e-32L);
+#ifndef TEST_FLOAT
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casin, 0x1.fp-1025L, 0x1p-105L, 5.388850751072128349671657362289416093031e-309L, 2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, 0x1.fp-1025L, -0x1p-105L, 5.388850751072128349671657362289416093031e-309L, -2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, 0x1p-105L, -5.388850751072128349671657362289416093031e-309L, 2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, -0x1.fp-1025L, -0x1p-105L, -5.388850751072128349671657362289416093031e-309L, -2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casin, 0x1p-105L, 0x1.fp-1025L, 2.465190328815661891911651766508706967729e-32L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1p-105L, 0x1.fp-1025L, -2.465190328815661891911651766508706967729e-32L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, 0x1p-105L, -0x1.fp-1025L, 2.465190328815661891911651766508706967729e-32L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casin, -0x1p-105L, -0x1.fp-1025L, -2.465190328815661891911651766508706967729e-32L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (casin, 0.0L, 0x1p-105L, 0.0L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, 0.0L, -0x1p-105L, 0.0L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, -0.0L, 0x1p-105L, -0.0L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, -0.0L, -0x1p-105L, -0.0L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casin, 0x1p-105L, 0.0L, 2.465190328815661891911651766508706967729e-32L, 0.0L);
+  TEST_c_c (casin, -0x1p-105L, 0.0L, -2.465190328815661891911651766508706967729e-32L, 0.0L);
+  TEST_c_c (casin, 0x1p-105L, -0.0L, 2.465190328815661891911651766508706967729e-32L, -0.0L);
+  TEST_c_c (casin, -0x1p-105L, -0.0L, -2.465190328815661891911651766508706967729e-32L, -0.0L);
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casin, 0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.361838123766444824837096281396380300349e-34L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, 0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.361838123766444824837096281396380300349e-34L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, -0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, -1.361838123766444824837096281396380300349e-34L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, -0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, -1.361838123766444824837096281396380300349e-34L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 1.570796326794896601578502908312986698624L, 1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, -1.570796326794896601578502908312986698624L, 1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 1.570796326794896601578502908312986698624L, -1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, -1.570796326794896601578502908312986698624L, -1.091004200533850618345330909857103457781e-17L);
+  TEST_c_c (casin, 0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 5.757683115456107044131264955348449231681e-4933L, 8.813735870195430252326093249797922409363e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 5.757683115456107044131264955348449231681e-4933L, -8.813735870195430252326093249797922409363e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, -5.757683115456107044131264955348449231681e-4933L, 8.813735870195430252326093249797922409363e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, -5.757683115456107044131264955348449231681e-4933L, -8.813735870195430252326093249797922409363e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 1.570796326794896605353533883825294686803L, 5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, -1.570796326794896605353533883825294686803L, 5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 1.570796326794896605353533883825294686803L, -5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, -1.570796326794896605353533883825294686803L, -5.867357004219059108790368268900490184505e-4916L);
+  TEST_c_c (casin, 0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, 0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, -0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, -0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, -8.813735870195430252326093249797922409363e-1L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 1.570796326794896605353533883825294686803L, 0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, -1.570796326794896605353533883825294686803L, 0.0L);
+  TEST_c_c (casin, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 1.570796326794896605353533883825294686803L, -0.0L);
+  TEST_c_c (casin, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, -1.570796326794896605353533883825294686803L, -0.0L);
+#endif
+  TEST_c_c (casin, 0x1p-112L, 0.5L, 1.722604110220899568310153280070398629037e-34L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, 0x1p-112L, -0.5L, 1.722604110220899568310153280070398629037e-34L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, -0x1p-112L, 0.5L, -1.722604110220899568310153280070398629037e-34L, 4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, -0x1p-112L, -0.5L, -1.722604110220899568310153280070398629037e-34L, -4.812118250596034474977589134243684231352e-1L);
+  TEST_c_c (casin, 0.5L, 0x1p-112L, 5.235987755982988730771072305465838140329e-1L, 2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (casin, -0.5L, 0x1p-112L, -5.235987755982988730771072305465838140329e-1L, 2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (casin, 0.5L, -0x1p-112L, 5.235987755982988730771072305465838140329e-1L, -2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (casin, -0.5L, -0x1p-112L, -5.235987755982988730771072305465838140329e-1L, -2.223872343664663196047610660420739543258e-34L);
+  TEST_c_c (casin, 0x1p-112L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, 0x1p-112L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, -0x1p-112L, 0x1p-112L, -1.925929944387235853055977942584927318538e-34L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, -0x1p-112L, -0x1p-112L, -1.925929944387235853055977942584927318538e-34L, -1.925929944387235853055977942584927318538e-34L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casin, 0x1.fp-16385L, 0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1.fp-16385L, -0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, 0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1.fp-16385L, -0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1p-112L, 0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1p-112L, 0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, 0x1p-112L, -0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casin, -0x1p-112L, -0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casin, 0.0L, 0x1p-112L, 0.0L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, 0.0L, -0x1p-112L, 0.0L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, -0.0L, 0x1p-112L, -0.0L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, -0.0L, -0x1p-112L, -0.0L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casin, 0x1p-112L, 0.0L, 1.925929944387235853055977942584927318538e-34L, 0.0L);
+  TEST_c_c (casin, -0x1p-112L, 0.0L, -1.925929944387235853055977942584927318538e-34L, 0.0L);
+  TEST_c_c (casin, 0x1p-112L, -0.0L, 1.925929944387235853055977942584927318538e-34L, -0.0L);
+  TEST_c_c (casin, -0x1p-112L, -0.0L, -1.925929944387235853055977942584927318538e-34L, -0.0L);
+
   TEST_c_c (casin, 0.75L, 1.25L, 0.453276177638793913448921196101971749L, 1.13239363160530819522266333696834467L);
   TEST_c_c (casin, -2, -3, -0.57065278432109940071028387968566963L, -1.9833870299165354323470769028940395L);
 
@@ -2635,6 +3286,332 @@ casinh_test (void)
   TEST_c_c (casinh, -0x1.0000000000000000000000000001p0L, -0.0L, -8.813735870195430252326093249797924452120e-1L, -0.0L)
 #endif
 
+  TEST_c_c (casinh, 0x1p-23L, 0x0.ffffffp0L, 2.714321200917194650737217746780928423385e-4L, 1.570357140408705570520377172865353621698L);
+  TEST_c_c (casinh, 0x1p-23L, -0x0.ffffffp0L, 2.714321200917194650737217746780928423385e-4L, -1.570357140408705570520377172865353621698L);
+  TEST_c_c (casinh, -0x1p-23L, 0x0.ffffffp0L, -2.714321200917194650737217746780928423385e-4L, 1.570357140408705570520377172865353621698L);
+  TEST_c_c (casinh, -0x1p-23L, -0x0.ffffffp0L, -2.714321200917194650737217746780928423385e-4L, -1.570357140408705570520377172865353621698L);
+  TEST_c_c (casinh, 0x0.ffffffp0L, 0x1p-23L, 8.813735448726963984495965873956465777250e-1L, 8.429369953393598499000760938112968755257e-8L);
+  TEST_c_c (casinh, -0x0.ffffffp0L, 0x1p-23L, -8.813735448726963984495965873956465777250e-1L, 8.429369953393598499000760938112968755257e-8L);
+  TEST_c_c (casinh, 0x0.ffffffp0L, -0x1p-23L, 8.813735448726963984495965873956465777250e-1L, -8.429369953393598499000760938112968755257e-8L);
+  TEST_c_c (casinh, -0x0.ffffffp0L, -0x1p-23L, -8.813735448726963984495965873956465777250e-1L, -8.429369953393598499000760938112968755257e-8L);
+  TEST_c_c (casinh, 0x1.fp-129L, 0x0.ffffffp0L, 8.245504387859737323891843603996428534945e-36L, 1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, 0x1.fp-129L, -0x0.ffffffp0L, 8.245504387859737323891843603996428534945e-36L, -1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, -0x1.fp-129L, 0x0.ffffffp0L, -8.245504387859737323891843603996428534945e-36L, 1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, -0x1.fp-129L, -0x0.ffffffp0L, -8.245504387859737323891843603996428534945e-36L, -1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, 0x0.ffffffp0L, 0x1.fp-129L, 8.813735448726938863015878255140556727969e-1L, 2.013062624689288675911339929224634593425e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x0.ffffffp0L, 0x1.fp-129L, -8.813735448726938863015878255140556727969e-1L, 2.013062624689288675911339929224634593425e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0x0.ffffffp0L, -0x1.fp-129L, 8.813735448726938863015878255140556727969e-1L, -2.013062624689288675911339929224634593425e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x0.ffffffp0L, -0x1.fp-129L, -8.813735448726938863015878255140556727969e-1L, -2.013062624689288675911339929224634593425e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0.0L, 0x0.ffffffp0L, 0.0L, 1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, 0.0L, -0x0.ffffffp0L, 0.0L, -1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, -0.0L, 0x0.ffffffp0L, -0.0L, 1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, -0.0L, -0x0.ffffffp0L, -0.0L, -1.570451059810180415643718442157112705601L);
+  TEST_c_c (casinh, 0x0.ffffffp0L, 0.0L, 8.813735448726938863015878255140556727969e-1L, 0.0L);
+  TEST_c_c (casinh, -0x0.ffffffp0L, 0.0L, -8.813735448726938863015878255140556727969e-1L, 0.0L);
+  TEST_c_c (casinh, 0x0.ffffffp0L, -0.0L, 8.813735448726938863015878255140556727969e-1L, -0.0L);
+  TEST_c_c (casinh, -0x0.ffffffp0L, -0.0L, -8.813735448726938863015878255140556727969e-1L, -0.0L);
+  TEST_c_c (casinh, 0x1p-23L, 0.5L, 1.376510308240943236356088341381173571841e-7L, 5.235987755982934033165770729745469098254e-1L);
+  TEST_c_c (casinh, 0x1p-23L, -0.5L, 1.376510308240943236356088341381173571841e-7L, -5.235987755982934033165770729745469098254e-1L);
+  TEST_c_c (casinh, -0x1p-23L, 0.5L, -1.376510308240943236356088341381173571841e-7L, 5.235987755982934033165770729745469098254e-1L);
+  TEST_c_c (casinh, -0x1p-23L, -0.5L, -1.376510308240943236356088341381173571841e-7L, -5.235987755982934033165770729745469098254e-1L);
+  TEST_c_c (casinh, 0.5L, 0x1p-23L, 4.812118250596059896127318386463676808798e-1L, 1.066240299940009780479664302917201696886e-7L);
+  TEST_c_c (casinh, -0.5L, 0x1p-23L, -4.812118250596059896127318386463676808798e-1L, 1.066240299940009780479664302917201696886e-7L);
+  TEST_c_c (casinh, 0.5L, -0x1p-23L, 4.812118250596059896127318386463676808798e-1L, -1.066240299940009780479664302917201696886e-7L);
+  TEST_c_c (casinh, -0.5L, -0x1p-23L, -4.812118250596059896127318386463676808798e-1L, -1.066240299940009780479664302917201696886e-7L);
+  TEST_c_c (casinh, 0x1.fp-129L, 0.5L, 3.287317402534702257036015056278368274737e-39L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0x1.fp-129L, -0.5L, 3.287317402534702257036015056278368274737e-39L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, 0.5L, -3.287317402534702257036015056278368274737e-39L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, -0.5L, -3.287317402534702257036015056278368274737e-39L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0.5L, 0x1.fp-129L, 4.812118250596034474977589134243684231352e-1L, 2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0.5L, 0x1.fp-129L, -4.812118250596034474977589134243684231352e-1L, 2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0.5L, -0x1.fp-129L, 4.812118250596034474977589134243684231352e-1L, -2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0.5L, -0x1.fp-129L, -4.812118250596034474977589134243684231352e-1L, -2.546345110742945032959687790021055102355e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0x1p-23L, 0x1p-23L, 1.192092895507818146886315028596704749235e-7L, 1.192092895507806853113684971258850504935e-7L);
+  TEST_c_c (casinh, 0x1p-23L, -0x1p-23L, 1.192092895507818146886315028596704749235e-7L, -1.192092895507806853113684971258850504935e-7L);
+  TEST_c_c (casinh, -0x1p-23L, 0x1p-23L, -1.192092895507818146886315028596704749235e-7L, 1.192092895507806853113684971258850504935e-7L);
+  TEST_c_c (casinh, -0x1p-23L, -0x1p-23L, -1.192092895507818146886315028596704749235e-7L, -1.192092895507806853113684971258850504935e-7L);
+  TEST_c_c (casinh, 0x1.fp-129L, 0x1p-23L, 2.846900380897747786805634596726756660388e-39L, 1.192092895507815323443157514352519154304e-7L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0x1.fp-129L, -0x1p-23L, 2.846900380897747786805634596726756660388e-39L, -1.192092895507815323443157514352519154304e-7L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, 0x1p-23L, -2.846900380897747786805634596726756660388e-39L, 1.192092895507815323443157514352519154304e-7L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, -0x1p-23L, -2.846900380897747786805634596726756660388e-39L, -1.192092895507815323443157514352519154304e-7L, UNDERFLOW_EXCEPTION_FLOAT);
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casinh, 0x1p-23L, 0x1.fp-129L, 1.192092895507809676556842485683592032154e-7L, 2.846900380897707329917933005874691056564e-39L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casinh, -0x1p-23L, 0x1.fp-129L, -1.192092895507809676556842485683592032154e-7L, 2.846900380897707329917933005874691056564e-39L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casinh, 0x1p-23L, -0x1.fp-129L, 1.192092895507809676556842485683592032154e-7L, -2.846900380897707329917933005874691056564e-39L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casinh, -0x1p-23L, -0x1.fp-129L, -1.192092895507809676556842485683592032154e-7L, -2.846900380897707329917933005874691056564e-39L, UNDERFLOW_EXCEPTION_OK_FLOAT);
+  TEST_c_c (casinh, 0.0L, 0x1p-23L, 0.0L, 1.192092895507815323443157514352519154304e-7L);
+  TEST_c_c (casinh, 0.0L, -0x1p-23L, 0.0L, -1.192092895507815323443157514352519154304e-7L);
+  TEST_c_c (casinh, -0.0L, 0x1p-23L, -0.0L, 1.192092895507815323443157514352519154304e-7L);
+  TEST_c_c (casinh, -0.0L, -0x1p-23L, -0.0L, -1.192092895507815323443157514352519154304e-7L);
+  TEST_c_c (casinh, 0x1p-23L, 0.0L, 1.192092895507809676556842485683592032154e-7L, 0.0L);
+  TEST_c_c (casinh, -0x1p-23L, 0.0L, -1.192092895507809676556842485683592032154e-7L, 0.0L);
+  TEST_c_c (casinh, 0x1p-23L, -0.0L, 1.192092895507809676556842485683592032154e-7L, -0.0L);
+  TEST_c_c (casinh, -0x1p-23L, -0.0L, -1.192092895507809676556842485683592032154e-7L, -0.0L);
+  TEST_c_c (casinh, 0x1.fp-129L, 0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, 0x1.fp-129L, -0x1.fp-129L, 2.846900380897727558361783801085126250967e-39L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, 0x1.fp-129L, -2.846900380897727558361783801085126250967e-39L, 2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+  TEST_c_c (casinh, -0x1.fp-129L, -0x1.fp-129L, -2.846900380897727558361783801085126250967e-39L, -2.846900380897727558361783801085126250967e-39L, UNDERFLOW_EXCEPTION_FLOAT);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1p-52L, 0x0.fffffffffffff8p0L, 1.171456840272878582596796205397918831268e-8L, 1.570796307840326780080580569360500172043L);
+  TEST_c_c (casinh, 0x1p-52L, -0x0.fffffffffffff8p0L, 1.171456840272878582596796205397918831268e-8L, -1.570796307840326780080580569360500172043L);
+  TEST_c_c (casinh, -0x1p-52L, 0x0.fffffffffffff8p0L, -1.171456840272878582596796205397918831268e-8L, 1.570796307840326780080580569360500172043L);
+  TEST_c_c (casinh, -0x1p-52L, -0x0.fffffffffffff8p0L, -1.171456840272878582596796205397918831268e-8L, -1.570796307840326780080580569360500172043L);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, 0x1p-52L, 8.813735870195429467279863907910458761820e-1L, 1.570092458683775146551022293016031474627e-16L);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, 0x1p-52L, -8.813735870195429467279863907910458761820e-1L, 1.570092458683775146551022293016031474627e-16L);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, -0x1p-52L, 8.813735870195429467279863907910458761820e-1L, -1.570092458683775146551022293016031474627e-16L);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, -0x1p-52L, -8.813735870195429467279863907910458761820e-1L, -1.570092458683775146551022293016031474627e-16L);
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x0.fffffffffffff8p0L, 3.616396521699973256461764099945789620604e-301L, 1.570796311893735425383665303776316016594L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x0.fffffffffffff8p0L, 3.616396521699973256461764099945789620604e-301L, -1.570796311893735425383665303776316016594L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x0.fffffffffffff8p0L, -3.616396521699973256461764099945789620604e-301L, 1.570796311893735425383665303776316016594L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x0.fffffffffffff8p0L, -3.616396521699973256461764099945789620604e-301L, -1.570796311893735425383665303776316016594L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, 0x1.fp-1025L, 8.813735870195429467279863907910371604180e-1L, 3.810492908885321954658152505985270452320e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, 0x1.fp-1025L, -8.813735870195429467279863907910371604180e-1L, 3.810492908885321954658152505985270452320e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, -0x1.fp-1025L, 8.813735870195429467279863907910371604180e-1L, -3.810492908885321954658152505985270452320e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, -0x1.fp-1025L, -8.813735870195429467279863907910371604180e-1L, -3.810492908885321954658152505985270452320e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0.0L, 0x0.fffffffffffff8p0L, 0.0L, 1.570796311893735425383665303776316016594L);
+  TEST_c_c (casinh, 0.0L, -0x0.fffffffffffff8p0L, 0.0L, -1.570796311893735425383665303776316016594L);
+  TEST_c_c (casinh, -0.0L, 0x0.fffffffffffff8p0L, -0.0L, 1.570796311893735425383665303776316016594L);
+  TEST_c_c (casinh, -0.0L, -0x0.fffffffffffff8p0L, -0.0L, -1.570796311893735425383665303776316016594L);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, 0.0L, 8.813735870195429467279863907910371604180e-1L, 0.0L);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, 0.0L, -8.813735870195429467279863907910371604180e-1L, 0.0L);
+  TEST_c_c (casinh, 0x0.fffffffffffff8p0L, -0.0L, 8.813735870195429467279863907910371604180e-1L, -0.0L);
+  TEST_c_c (casinh, -0x0.fffffffffffff8p0L, -0.0L, -8.813735870195429467279863907910371604180e-1L, -0.0L);
+#endif
+  TEST_c_c (casinh, 0x1p-52L, 0.5L, 2.563950248511418570403591756798643804971e-16L, 5.235987755982988730771072305465648369889e-1L);
+  TEST_c_c (casinh, 0x1p-52L, -0.5L, 2.563950248511418570403591756798643804971e-16L, -5.235987755982988730771072305465648369889e-1L);
+  TEST_c_c (casinh, -0x1p-52L, 0.5L, -2.563950248511418570403591756798643804971e-16L, 5.235987755982988730771072305465648369889e-1L);
+  TEST_c_c (casinh, -0x1p-52L, -0.5L, -2.563950248511418570403591756798643804971e-16L, -5.235987755982988730771072305465648369889e-1L);
+  TEST_c_c (casinh, 0.5L, 0x1p-52L, 4.812118250596034474977589134243772428682e-1L, 1.986027322597818397661816253158024383707e-16L);
+  TEST_c_c (casinh, -0.5L, 0x1p-52L, -4.812118250596034474977589134243772428682e-1L, 1.986027322597818397661816253158024383707e-16L);
+  TEST_c_c (casinh, 0.5L, -0x1p-52L, 4.812118250596034474977589134243772428682e-1L, -1.986027322597818397661816253158024383707e-16L);
+  TEST_c_c (casinh, -0.5L, -0x1p-52L, -4.812118250596034474977589134243772428682e-1L, -1.986027322597818397661816253158024383707e-16L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1.fp-1025L, 0.5L, 6.222508863508420569166420770843207333493e-309L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0.5L, 6.222508863508420569166420770843207333493e-309L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0.5L, -6.222508863508420569166420770843207333493e-309L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0.5L, -6.222508863508420569166420770843207333493e-309L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0.5L, 0x1.fp-1025L, 4.812118250596034474977589134243684231352e-1L, 4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0.5L, 0x1.fp-1025L, -4.812118250596034474977589134243684231352e-1L, 4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0.5L, -0x1.fp-1025L, 4.812118250596034474977589134243684231352e-1L, -4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0.5L, -0x1.fp-1025L, -4.812118250596034474977589134243684231352e-1L, -4.819934639999230680322935210539402497827e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+  TEST_c_c (casinh, 0x1p-52L, 0x1p-52L, 2.220446049250313080847263336181677117148e-16L, 2.220446049250313080847263336181604132852e-16L);
+  TEST_c_c (casinh, 0x1p-52L, -0x1p-52L, 2.220446049250313080847263336181677117148e-16L, -2.220446049250313080847263336181604132852e-16L);
+  TEST_c_c (casinh, -0x1p-52L, 0x1p-52L, -2.220446049250313080847263336181677117148e-16L, 2.220446049250313080847263336181604132852e-16L);
+  TEST_c_c (casinh, -0x1p-52L, -0x1p-52L, -2.220446049250313080847263336181677117148e-16L, -2.220446049250313080847263336181604132852e-16L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1p-52L, 5.388850751072128349671657362289548938458e-309L, 2.220446049250313080847263336181658871074e-16L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1p-52L, 5.388850751072128349671657362289548938458e-309L, -2.220446049250313080847263336181658871074e-16L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1p-52L, -5.388850751072128349671657362289548938458e-309L, 2.220446049250313080847263336181658871074e-16L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1p-52L, -5.388850751072128349671657362289548938458e-309L, -2.220446049250313080847263336181658871074e-16L, UNDERFLOW_EXCEPTION_DOUBLE);
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casinh, 0x1p-52L, 0x1.fp-1025L, 2.220446049250313080847263336181622378926e-16L, 5.388850751072128349671657362289283247603e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, -0x1p-52L, 0x1.fp-1025L, -2.220446049250313080847263336181622378926e-16L, 5.388850751072128349671657362289283247603e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, 0x1p-52L, -0x1.fp-1025L, 2.220446049250313080847263336181622378926e-16L, -5.388850751072128349671657362289283247603e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, -0x1p-52L, -0x1.fp-1025L, -2.220446049250313080847263336181622378926e-16L, -5.388850751072128349671657362289283247603e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+#endif
+  TEST_c_c (casinh, 0.0L, 0x1p-52L, 0.0L, 2.220446049250313080847263336181658871074e-16L);
+  TEST_c_c (casinh, 0.0L, -0x1p-52L, 0.0L, -2.220446049250313080847263336181658871074e-16L);
+  TEST_c_c (casinh, -0.0L, 0x1p-52L, -0.0L, 2.220446049250313080847263336181658871074e-16L);
+  TEST_c_c (casinh, -0.0L, -0x1p-52L, -0.0L, -2.220446049250313080847263336181658871074e-16L);
+  TEST_c_c (casinh, 0x1p-52L, 0.0L, 2.220446049250313080847263336181622378926e-16L, 0.0L);
+  TEST_c_c (casinh, -0x1p-52L, 0.0L, -2.220446049250313080847263336181622378926e-16L, 0.0L);
+  TEST_c_c (casinh, 0x1p-52L, -0.0L, 2.220446049250313080847263336181622378926e-16L, -0.0L);
+  TEST_c_c (casinh, -0x1p-52L, -0.0L, -2.220446049250313080847263336181622378926e-16L, -0.0L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1.fp-1025L, 5.388850751072128349671657362289416093031e-309L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1.fp-1025L, -5.388850751072128349671657362289416093031e-309L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1.fp-1025L, -5.388850751072128349671657362289416093031e-309L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 64
+  TEST_c_c (casinh, 0x1p-63L, 0x0.ffffffffffffffffp0L, 2.588578361325995866221775673638805081337e-10L, 1.570796326376055842114524927965556247908L);
+  TEST_c_c (casinh, 0x1p-63L, -0x0.ffffffffffffffffp0L, 2.588578361325995866221775673638805081337e-10L, -1.570796326376055842114524927965556247908L);
+  TEST_c_c (casinh, -0x1p-63L, 0x0.ffffffffffffffffp0L, -2.588578361325995866221775673638805081337e-10L, 1.570796326376055842114524927965556247908L);
+  TEST_c_c (casinh, -0x1p-63L, -0x0.ffffffffffffffffp0L, -2.588578361325995866221775673638805081337e-10L, -1.570796326376055842114524927965556247908L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, 0x1p-63L, 8.813735870195430251942769895627079569937e-1L, 7.666467083416870407402049869781566856442e-20L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, 0x1p-63L, -8.813735870195430251942769895627079569937e-1L, 7.666467083416870407402049869781566856442e-20L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, -0x1p-63L, 8.813735870195430251942769895627079569937e-1L, -7.666467083416870407402049869781566856442e-20L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, -0x1p-63L, -8.813735870195430251942769895627079569937e-1L, -7.666467083416870407402049869781566856442e-20L);
+# if LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x0.ffffffffffffffffp0L, 2.472906068161537187835415298076415423459e-4923L, 1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x0.ffffffffffffffffp0L, 2.472906068161537187835415298076415423459e-4923L, -1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x0.ffffffffffffffffp0L, -2.472906068161537187835415298076415423459e-4923L, 1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x0.ffffffffffffffffp0L, -2.472906068161537187835415298076415423459e-4923L, -1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, 0x1.fp-16385L, 8.813735870195430251942769895627079569917e-1L, 5.757683115456107044287327268904964422212e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, 0x1.fp-16385L, -8.813735870195430251942769895627079569917e-1L, 5.757683115456107044287327268904964422212e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, -0x1.fp-16385L, 8.813735870195430251942769895627079569917e-1L, -5.757683115456107044287327268904964422212e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, -0x1.fp-16385L, -8.813735870195430251942769895627079569917e-1L, -5.757683115456107044287327268904964422212e-4933L, UNDERFLOW_EXCEPTION);
+# endif
+  TEST_c_c (casinh, 0.0L, 0x0.ffffffffffffffffp0L, 0.0L, 1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, 0.0L, -0x0.ffffffffffffffffp0L, 0.0L, -1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, -0.0L, 0x0.ffffffffffffffffp0L, -0.0L, 1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, -0.0L, -0x0.ffffffffffffffffp0L, -0.0L, -1.570796326465624365239962068302568888898L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, 0.0L, 8.813735870195430251942769895627079569917e-1L, 0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, 0.0L, -8.813735870195430251942769895627079569917e-1L, 0.0L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffp0L, -0.0L, 8.813735870195430251942769895627079569917e-1L, -0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffp0L, -0.0L, -8.813735870195430251942769895627079569917e-1L, -0.0L);
+#endif
+  TEST_c_c (casinh, 0x1p-63L, 0.5L, 1.251928832280966098829878787499365228659e-19L, 5.235987755982988730771072305465838140283e-1L);
+  TEST_c_c (casinh, 0x1p-63L, -0.5L, 1.251928832280966098829878787499365228659e-19L, -5.235987755982988730771072305465838140283e-1L);
+  TEST_c_c (casinh, -0x1p-63L, 0.5L, -1.251928832280966098829878787499365228659e-19L, 5.235987755982988730771072305465838140283e-1L);
+  TEST_c_c (casinh, -0x1p-63L, -0.5L, -1.251928832280966098829878787499365228659e-19L, -5.235987755982988730771072305465838140283e-1L);
+  TEST_c_c (casinh, 0.5L, 0x1p-63L, 4.812118250596034474977589134243684231373e-1L, 9.697399036122160144833087173623140436413e-20L);
+  TEST_c_c (casinh, -0.5L, 0x1p-63L, -4.812118250596034474977589134243684231373e-1L, 9.697399036122160144833087173623140436413e-20L);
+  TEST_c_c (casinh, 0.5L, -0x1p-63L, 4.812118250596034474977589134243684231373e-1L, -9.697399036122160144833087173623140436413e-20L);
+  TEST_c_c (casinh, -0.5L, -0x1p-63L, -4.812118250596034474977589134243684231373e-1L, -9.697399036122160144833087173623140436413e-20L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0.5L, 9.402257155670418112159334875199821342890e-4933L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0.5L, 9.402257155670418112159334875199821342890e-4933L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0.5L, -9.402257155670418112159334875199821342890e-4933L, 5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0.5L, -9.402257155670418112159334875199821342890e-4933L, -5.235987755982988730771072305465838140329e-1L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0.5L, 0x1.fp-16385L, 4.812118250596034474977589134243684231352e-1L, 7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0.5L, 0x1.fp-16385L, -4.812118250596034474977589134243684231352e-1L, 7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0.5L, -0x1.fp-16385L, 4.812118250596034474977589134243684231352e-1L, -7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0.5L, -0x1.fp-16385L, -4.812118250596034474977589134243684231352e-1L, -7.282957076134209141226696333885150260319e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casinh, 0x1p-63L, 0x1p-63L, 1.084202172485504434007452800869941711430e-19L, 1.084202172485504434007452800869941711422e-19L);
+  TEST_c_c (casinh, 0x1p-63L, -0x1p-63L, 1.084202172485504434007452800869941711430e-19L, -1.084202172485504434007452800869941711422e-19L);
+  TEST_c_c (casinh, -0x1p-63L, 0x1p-63L, -1.084202172485504434007452800869941711430e-19L, 1.084202172485504434007452800869941711422e-19L);
+  TEST_c_c (casinh, -0x1p-63L, -0x1p-63L, -1.084202172485504434007452800869941711430e-19L, -1.084202172485504434007452800869941711422e-19L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1p-63L, 8.142593549724601460479922838826119584465e-4933L, 1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1p-63L, 8.142593549724601460479922838826119584465e-4933L, -1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1p-63L, -8.142593549724601460479922838826119584465e-4933L, 1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1p-63L, -8.142593549724601460479922838826119584465e-4933L, -1.084202172485504434007452800869941711428e-19L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1p-63L, 0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1p-63L, 0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, 8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1p-63L, -0x1.fp-16385L, 1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1p-63L, -0x1.fp-16385L, -1.084202172485504434007452800869941711424e-19L, -8.142593549724601460479922838826119584369e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casinh, 0.0L, 0x1p-63L, 0.0L, 1.084202172485504434007452800869941711428e-19L);
+  TEST_c_c (casinh, 0.0L, -0x1p-63L, 0.0L, -1.084202172485504434007452800869941711428e-19L);
+  TEST_c_c (casinh, -0.0L, 0x1p-63L, -0.0L, 1.084202172485504434007452800869941711428e-19L);
+  TEST_c_c (casinh, -0.0L, -0x1p-63L, -0.0L, -1.084202172485504434007452800869941711428e-19L);
+  TEST_c_c (casinh, 0x1p-63L, 0.0L, 1.084202172485504434007452800869941711424e-19L, 0.0L);
+  TEST_c_c (casinh, -0x1p-63L, 0.0L, -1.084202172485504434007452800869941711424e-19L, 0.0L);
+  TEST_c_c (casinh, 0x1p-63L, -0.0L, 1.084202172485504434007452800869941711424e-19L, -0.0L);
+  TEST_c_c (casinh, -0x1p-63L, -0.0L, -1.084202172485504434007452800869941711424e-19L, -0.0L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1.fp-16385L, 8.142593549724601460479922838826119584417e-4933L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1.fp-16385L, -8.142593549724601460479922838826119584417e-4933L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1.fp-16385L, -8.142593549724601460479922838826119584417e-4933L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 106
+  TEST_c_c (casinh, 0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, 1.234330349600789959989661887846005659983e-16L, 1.570796326794896419512475791677915736035L);
+  TEST_c_c (casinh, 0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, 1.234330349600789959989661887846005659983e-16L, -1.570796326794896419512475791677915736035L);
+  TEST_c_c (casinh, -0x1p-105L, 0x0.ffffffffffffffffffffffffffcp0L, -1.234330349600789959989661887846005659983e-16L, 1.570796326794896419512475791677915736035L);
+  TEST_c_c (casinh, -0x1p-105L, -0x0.ffffffffffffffffffffffffffcp0L, -1.234330349600789959989661887846005659983e-16L, -1.570796326794896419512475791677915736035L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, 8.813735870195430252326093249797835932642e-1L, 1.743152798421049375791483240187377443526e-32L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, 0x1p-105L, -8.813735870195430252326093249797835932642e-1L, 1.743152798421049375791483240187377443526e-32L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, 8.813735870195430252326093249797835932642e-1L, -1.743152798421049375791483240187377443526e-32L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, -0x1p-105L, -8.813735870195430252326093249797835932642e-1L, -1.743152798421049375791483240187377443526e-32L);
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, 3.432186888910770473784103112009399360940e-293L, 1.570796326794896462222075823262245502760L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, 3.432186888910770473784103112009399360940e-293L, -1.570796326794896462222075823262245502760L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x0.ffffffffffffffffffffffffffcp0L, -3.432186888910770473784103112009399360940e-293L, 1.570796326794896462222075823262245502760L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x0.ffffffffffffffffffffffffffcp0L, -3.432186888910770473784103112009399360940e-293L, -1.570796326794896462222075823262245502760L, UNDERFLOW_EXCEPTION_LDOUBLE_IBM);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, 8.813735870195430252326093249797835932642e-1L, 3.810492908885321743133304375216641110205e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, 0x1.fp-1025L, -8.813735870195430252326093249797835932642e-1L, 3.810492908885321743133304375216641110205e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, 8.813735870195430252326093249797835932642e-1L, -3.810492908885321743133304375216641110205e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, -0x1.fp-1025L, -8.813735870195430252326093249797835932642e-1L, -3.810492908885321743133304375216641110205e-309L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0.0L, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 1.570796326794896462222075823262245502760L);
+  TEST_c_c (casinh, 0.0L, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, -1.570796326794896462222075823262245502760L);
+  TEST_c_c (casinh, -0.0L, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 1.570796326794896462222075823262245502760L);
+  TEST_c_c (casinh, -0.0L, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, -1.570796326794896462222075823262245502760L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, 0.0L, 8.813735870195430252326093249797835932642e-1L, 0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, 0.0L, -8.813735870195430252326093249797835932642e-1L, 0.0L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffcp0L, -0.0L, 8.813735870195430252326093249797835932642e-1L, -0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffcp0L, -0.0L, -8.813735870195430252326093249797835932642e-1L, -0.0L);
+#endif
+  TEST_c_c (casinh, 0x1p-105L, 0.5L, 2.846556599890768890940941645338546615370e-32L, 5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, 0x1p-105L, -0.5L, 2.846556599890768890940941645338546615370e-32L, -5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, -0x1p-105L, 0.5L, -2.846556599890768890940941645338546615370e-32L, 5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, -0x1p-105L, -0.5L, -2.846556599890768890940941645338546615370e-32L, -5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, 0.5L, 0x1p-105L, 4.812118250596034474977589134243684231352e-1L, 2.204933261082751447436996198490110245167e-32L);
+  TEST_c_c (casinh, -0.5L, 0x1p-105L, -4.812118250596034474977589134243684231352e-1L, 2.204933261082751447436996198490110245167e-32L);
+  TEST_c_c (casinh, 0.5L, -0x1p-105L, 4.812118250596034474977589134243684231352e-1L, -2.204933261082751447436996198490110245167e-32L);
+  TEST_c_c (casinh, -0.5L, -0x1p-105L, -4.812118250596034474977589134243684231352e-1L, -2.204933261082751447436996198490110245167e-32L);
+  TEST_c_c (casinh, 0x1p-105L, 0x1p-105L, 2.465190328815661891911651766508706967729e-32L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, 0x1p-105L, -0x1p-105L, 2.465190328815661891911651766508706967729e-32L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, -0x1p-105L, 0x1p-105L, -2.465190328815661891911651766508706967729e-32L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, -0x1p-105L, -0x1p-105L, -2.465190328815661891911651766508706967729e-32L, -2.465190328815661891911651766508706967729e-32L);
+#ifndef TEST_FLOAT
+  TEST_c_c (casinh, 0x1.fp-1025L, 0x1p-105L, 5.388850751072128349671657362289416093031e-309L, 2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, 0x1.fp-1025L, -0x1p-105L, 5.388850751072128349671657362289416093031e-309L, -2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, 0x1p-105L, -5.388850751072128349671657362289416093031e-309L, 2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_DOUBLE);
+  TEST_c_c (casinh, -0x1.fp-1025L, -0x1p-105L, -5.388850751072128349671657362289416093031e-309L, -2.465190328815661891911651766508706967729e-32L, UNDERFLOW_EXCEPTION_DOUBLE);
+  /* Bug 15319: underflow exception may be missing.  */
+  TEST_c_c (casinh, 0x1p-105L, 0x1.fp-1025L, 2.465190328815661891911651766508706967729e-32L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, -0x1p-105L, 0x1.fp-1025L, -2.465190328815661891911651766508706967729e-32L, 5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, 0x1p-105L, -0x1.fp-1025L, 2.465190328815661891911651766508706967729e-32L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+  TEST_c_c (casinh, -0x1p-105L, -0x1.fp-1025L, -2.465190328815661891911651766508706967729e-32L, -5.388850751072128349671657362289416093031e-309L, UNDERFLOW_EXCEPTION_OK_DOUBLE);
+#endif
+  TEST_c_c (casinh, 0.0L, 0x1p-105L, 0.0L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, 0.0L, -0x1p-105L, 0.0L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, -0.0L, 0x1p-105L, -0.0L, 2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, -0.0L, -0x1p-105L, -0.0L, -2.465190328815661891911651766508706967729e-32L);
+  TEST_c_c (casinh, 0x1p-105L, 0.0L, 2.465190328815661891911651766508706967729e-32L, 0.0L);
+  TEST_c_c (casinh, -0x1p-105L, 0.0L, -2.465190328815661891911651766508706967729e-32L, 0.0L);
+  TEST_c_c (casinh, 0x1p-105L, -0.0L, 2.465190328815661891911651766508706967729e-32L, -0.0L);
+  TEST_c_c (casinh, -0x1p-105L, -0.0L, -2.465190328815661891911651766508706967729e-32L, -0.0L);
+#if defined TEST_LDOUBLE && LDBL_MANT_DIG >= 113
+  TEST_c_c (casinh, 0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, 1.091004200533850618345330909857103457781e-17L, 1.570796326794896601578502908312986698624L);
+  TEST_c_c (casinh, 0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, 1.091004200533850618345330909857103457781e-17L, -1.570796326794896601578502908312986698624L);
+  TEST_c_c (casinh, -0x1p-112L, 0x0.ffffffffffffffffffffffffffff8p0L, -1.091004200533850618345330909857103457781e-17L, 1.570796326794896601578502908312986698624L);
+  TEST_c_c (casinh, -0x1p-112L, -0x0.ffffffffffffffffffffffffffff8p0L, -1.091004200533850618345330909857103457781e-17L, -1.570796326794896601578502908312986698624L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, 8.813735870195430252326093249797922409363e-1L, 1.361838123766444824837096281396380300349e-34L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1p-112L, -8.813735870195430252326093249797922409363e-1L, 1.361838123766444824837096281396380300349e-34L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, 8.813735870195430252326093249797922409363e-1L, -1.361838123766444824837096281396380300349e-34L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1p-112L, -8.813735870195430252326093249797922409363e-1L, -1.361838123766444824837096281396380300349e-34L);
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, 5.867357004219059108790368268900490184505e-4916L, 1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, 5.867357004219059108790368268900490184505e-4916L, -1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x0.ffffffffffffffffffffffffffff8p0L, -5.867357004219059108790368268900490184505e-4916L, 1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x0.ffffffffffffffffffffffffffff8p0L, -5.867357004219059108790368268900490184505e-4916L, -1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, 8.813735870195430252326093249797922409363e-1L, 5.757683115456107044131264955348449231681e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, 0x1.fp-16385L, -8.813735870195430252326093249797922409363e-1L, 5.757683115456107044131264955348449231681e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, 8.813735870195430252326093249797922409363e-1L, -5.757683115456107044131264955348449231681e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, -0x1.fp-16385L, -8.813735870195430252326093249797922409363e-1L, -5.757683115456107044131264955348449231681e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, 0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, -1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, -0.0L, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, -0.0L, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, -1.570796326794896605353533883825294686803L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, 8.813735870195430252326093249797922409363e-1L, 0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, 0.0L, -8.813735870195430252326093249797922409363e-1L, 0.0L);
+  TEST_c_c (casinh, 0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, 8.813735870195430252326093249797922409363e-1L, -0.0L);
+  TEST_c_c (casinh, -0x0.ffffffffffffffffffffffffffff8p0L, -0.0L, -8.813735870195430252326093249797922409363e-1L, -0.0L);
+#endif
+  TEST_c_c (casinh, 0x1p-112L, 0.5L, 2.223872343664663196047610660420739543258e-34L, 5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, 0x1p-112L, -0.5L, 2.223872343664663196047610660420739543258e-34L, -5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, -0x1p-112L, 0.5L, -2.223872343664663196047610660420739543258e-34L, 5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, -0x1p-112L, -0.5L, -2.223872343664663196047610660420739543258e-34L, -5.235987755982988730771072305465838140329e-1L);
+  TEST_c_c (casinh, 0.5L, 0x1p-112L, 4.812118250596034474977589134243684231352e-1L, 1.722604110220899568310153280070398629037e-34L);
+  TEST_c_c (casinh, -0.5L, 0x1p-112L, -4.812118250596034474977589134243684231352e-1L, 1.722604110220899568310153280070398629037e-34L);
+  TEST_c_c (casinh, 0.5L, -0x1p-112L, 4.812118250596034474977589134243684231352e-1L, -1.722604110220899568310153280070398629037e-34L);
+  TEST_c_c (casinh, -0.5L, -0x1p-112L, -4.812118250596034474977589134243684231352e-1L, -1.722604110220899568310153280070398629037e-34L);
+  TEST_c_c (casinh, 0x1p-112L, 0x1p-112L, 1.925929944387235853055977942584927318538e-34L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, 0x1p-112L, -0x1p-112L, 1.925929944387235853055977942584927318538e-34L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, -0x1p-112L, 0x1p-112L, -1.925929944387235853055977942584927318538e-34L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, -0x1p-112L, -0x1p-112L, -1.925929944387235853055977942584927318538e-34L, -1.925929944387235853055977942584927318538e-34L);
+#if defined TEST_LDOUBLE && LDBL_MIN_EXP <= -16381
+  TEST_c_c (casinh, 0x1.fp-16385L, 0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1.fp-16385L, -0x1p-112L, 8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, 0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, 1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1.fp-16385L, -0x1p-112L, -8.142593549724601460479922838826119584417e-4933L, -1.925929944387235853055977942584927318538e-34L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1p-112L, 0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1p-112L, 0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, 8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, 0x1p-112L, -0x1.fp-16385L, 1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+  TEST_c_c (casinh, -0x1p-112L, -0x1.fp-16385L, -1.925929944387235853055977942584927318538e-34L, -8.142593549724601460479922838826119584417e-4933L, UNDERFLOW_EXCEPTION);
+#endif
+  TEST_c_c (casinh, 0.0L, 0x1p-112L, 0.0L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, 0.0L, -0x1p-112L, 0.0L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, -0.0L, 0x1p-112L, -0.0L, 1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, -0.0L, -0x1p-112L, -0.0L, -1.925929944387235853055977942584927318538e-34L);
+  TEST_c_c (casinh, 0x1p-112L, 0.0L, 1.925929944387235853055977942584927318538e-34L, 0.0L);
+  TEST_c_c (casinh, -0x1p-112L, 0.0L, -1.925929944387235853055977942584927318538e-34L, 0.0L);
+  TEST_c_c (casinh, 0x1p-112L, -0.0L, 1.925929944387235853055977942584927318538e-34L, -0.0L);
+  TEST_c_c (casinh, -0x1p-112L, -0.0L, -1.925929944387235853055977942584927318538e-34L, -0.0L);
+
   TEST_c_c (casinh, 0.75L, 1.25L, 1.03171853444778027336364058631006594L, 0.911738290968487636358489564316731207L);
   TEST_c_c (casinh, -2, -3, -1.9686379257930962917886650952454982L, -0.96465850440760279204541105949953237L);
 
diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps
index 5bf58273c9..31e5d94595 100644
--- a/sysdeps/i386/fpu/libm-test-ulps
+++ b/sysdeps/i386/fpu/libm-test-ulps
@@ -208,31 +208,19 @@ ldouble: 1
 
 # cacos
 Test "Imaginary part of: cacos (+0 + 0.5 i) == pi/2 - 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (+0 + 1.0 i) == pi/2 - 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: cacos (+0 + 1.5 i) == pi/2 - 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
-Test "Imaginary part of: cacos (+0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
 double: 1
-float: 1
 idouble: 1
+Test "Imaginary part of: cacos (+0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
+float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (+0 - 1.0 i) == pi/2 + 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -242,31 +230,19 @@ Test "Imaginary part of: cacos (+0 - 1.5 i) == pi/2 + 1.194763217287109304111930
 double: 1
 idouble: 1
 Test "Imaginary part of: cacos (-0 + 0.5 i) == pi/2 - 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (-0 + 1.0 i) == pi/2 - 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: cacos (-0 + 1.5 i) == pi/2 - 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
-Test "Imaginary part of: cacos (-0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
 double: 1
-float: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
+float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (-0 - 1.0 i) == pi/2 + 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -275,12 +251,24 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0 - 1.5 i) == pi/2 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x1p-23 i) == 1.570796326794896619231321691639751442099 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x1p-23 i) == 1.570796326794896619231321691639751442099 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.25 + 1.0 i) == 1.747098759571863549650000258275841544745 - 8.924633639033482359562124741744951972772e-1 i":
 double: 1
 idouble: 1
@@ -293,6 +281,23 @@ idouble: 1
 Test "Imaginary part of: cacos (-0.25 - 1.0 i) == 1.747098759571863549650000258275841544745 + 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-1025 i) == 2.094395102393195492308428922186335256131 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-129 i) == 2.094395102393195492308428922186335256131 - 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-16385 i) == 2.094395102393195492308428922186335256131 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-23 i) == 2.094395102393190022547898764614298351924 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-52 i) == 2.094395102393195492308428922186316279087 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.5 + 1.0 i) == 1.920235389652109912858733517715121394831 - 9.261330313501824245501244453057873152694e-1 i":
 double: 1
 float: 1
@@ -300,6 +305,23 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-1025 i) == 2.094395102393195492308428922186335256131 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-129 i) == 2.094395102393195492308428922186335256131 + 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-16385 i) == 2.094395102393195492308428922186335256131 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-23 i) == 2.094395102393190022547898764614298351924 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-52 i) == 2.094395102393195492308428922186316279087 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.5 - 1.0 i) == 1.920235389652109912858733517715121394831 + 9.261330313501824245501244453057873152694e-1 i":
 double: 1
 float: 1
@@ -307,6 +329,24 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x0.fffffffffffff8p0 + 0x1p-52 i) == 3.141592634635223399311902261000251614142 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0x0.fffffffffffff8p0 - 0x1p-52 i) == 3.141592634635223399311902261000251614142 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 3.141592653260520984471283759942320330996 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == 3.141592653170952461345846619605307690007 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 3.141592653260520984471283759942320330996 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == 3.141592653170952461345846619605307690007 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.0000000000000002p0 + 0x1p-63 i) == 3.141592653377875508152537040020250564229 - 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -369,9 +409,15 @@ idouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0.5 i) == 1.570796326794896619231321691639751442101 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1p-23 i) == 1.570796326794896619231321691639751442101 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442101 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -380,9 +426,15 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442100 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0.5 i) == 1.570796326794896619231321691639751442101 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1p-23 i) == 1.570796326794896619231321691639751442101 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442101 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -391,6 +443,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 1.5 i) == 1.570796326794896619231321691639751442100 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-30 + 1.0 i) == 1.570796328070826603447840231892468927106 - 8.813735870195430258081932989769495326854e-1 i":
 double: 1
 float: 1
@@ -405,6 +463,68 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-105 + 0.5 i) == 1.570796326794896619231321691639773491431 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-105 - 0.5 i) == 1.570796326794896619231321691639773491431 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-112 + 0.5 i) == 1.570796326794896619231321691639751614359 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-112 - 0.5 i) == 1.570796326794896619231321691639751614359 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 + 0.5 i) == 1.570796433418926613232299739606181733819 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 + 0x0.ffffffp0 i) == 1.570796411088596153167306681647360823228 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-23 - 0.5 i) == 1.570796433418926613232299739606181733819 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 - 0x0.ffffffp0 i) == 1.570796411088596153167306681647360823228 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-52 + 0.5 i) == 1.570796326794896817834053951421591208280 - 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-52 - 0.5 i) == 1.570796326794896817834053951421591208280 + 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 + 0.5 i) == 1.570796326794896619328295682000973043547 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619307986362473920146173 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 - 0.5 i) == 1.570796326794896619328295682000973043547 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619307986362473920146173 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-1.0 + 0.5 i) == 2.466703808003786858297978415967328452322 - 7.328576759736452608886724437653071523305e-1 i":
 float: 1
 ifloat: 1
@@ -428,10 +548,6 @@ Test "Imaginary part of: cacos (-1.0 - 0x1.fp-30 i) == 3.14155017491881856196148
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (-1.5 + +0 i) == pi - 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (-1.5 + 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 - 9.624236501192068949955178268487368462704e-1 i":
@@ -455,12 +571,24 @@ ldouble: 1
 Test "Imaginary part of: cacos (-1.5 - 0x1.fp-16385 i) == 3.141592653589793238462643383279502884197 + 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 + 0x1p-23 i) == 1.570796326794896619231321691639751442099 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x1p-23 i) == 1.570796326794896619231321691639751442099 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.25 + 1.0 i) == 1.394493894017929688812643125003661339452 - 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
@@ -470,8 +598,41 @@ ldouble: 1
 Test "Real part of: cacos (0.5 + +0 i) == 1.047197551196597746154214461093167628066 - 0 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (0.5 + 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 - 6.222508863508420569166420770843207333493e-309 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 - 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-16385 i) == 1.047197551196597746154214461093167628066 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-105 i) == 1.047197551196597746154214461093167628066 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-112 i) == 1.047197551196597746154214461093167628066 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-23 i) == 1.047197551196603215914744618665204532273 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-52 i) == 1.047197551196597746154214461093186605110 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-52 i) == 1.047197551196597746154214461093186605110 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-63 i) == 1.047197551196597746154214461093167628070 - 1.251928832280966098829878787499365228659e-19 i":
+double: 1
+idouble: 1
 Test "Imaginary part of: cacos (0.5 + 1.0 i) == 1.221357263937683325603909865564381489366 - 9.261330313501824245501244453057873152694e-1 i":
 double: 1
 float: 1
@@ -482,8 +643,41 @@ ldouble: 1
 Test "Real part of: cacos (0.5 - 0 i) == 1.047197551196597746154214461093167628066 + +0 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (0.5 - 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 + 6.222508863508420569166420770843207333493e-309 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 + 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-16385 i) == 1.047197551196597746154214461093167628066 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-105 i) == 1.047197551196597746154214461093167628066 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-112 i) == 1.047197551196597746154214461093167628066 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-23 i) == 1.047197551196603215914744618665204532273 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-52 i) == 1.047197551196597746154214461093186605110 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-52 i) == 1.047197551196597746154214461093186605110 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-63 i) == 1.047197551196597746154214461093167628070 + 1.251928832280966098829878787499365228659e-19 i":
+double: 1
+idouble: 1
 Test "Imaginary part of: cacos (0.5 - 1.0 i) == 1.221357263937683325603909865564381489366 + 9.261330313501824245501244453057873152694e-1 i":
 double: 1
 float: 1
@@ -491,14 +685,39 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
-Test "Real part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i":
-float: 1
-ifloat: 1
 Test "Imaginary part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i":
-float: 1
-ifloat: 1
-ildouble: 2
-ldouble: 2
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 - 1.171456840272878582596796205397918831268e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 + 1.171456840272878582596796205397918831268e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 3.292722539913596233371825532007990724506e-10 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 3.292722539913596233371825532007990724506e-10 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 1
 ldouble: 1
@@ -573,9 +792,15 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0.5 i) == 1.570796326794896619231321691639751442096 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0x1p-23 i) == 1.570796326794896619231321691639751442096 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442097 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -584,9 +809,15 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442097 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0.5 i) == 1.570796326794896619231321691639751442096 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0x1p-23 i) == 1.570796326794896619231321691639751442096 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442097 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -595,6 +826,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.5 i) == 1.570796326794896619231321691639751442097 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-30 + 1.0 i) == 1.570796325518966635014803151387033957091 - 8.813735870195430258081932989769495326854e-1 i":
 double: 1
 float: 1
@@ -615,6 +852,68 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 - 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1p-105 + 0.5 i) == 1.570796326794896619231321691639729392766 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-105 - 0.5 i) == 1.570796326794896619231321691639729392766 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-112 + 0.5 i) == 1.570796326794896619231321691639751269838 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-112 - 0.5 i) == 1.570796326794896619231321691639751269838 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 + 0.5 i) == 1.570796220170866625230343643673321150378 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 + 0x0.ffffffp0 i) == 1.570796242501197085295336701632142060969 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-23 - 0.5 i) == 1.570796220170866625230343643673321150378 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 - 0x0.ffffffp0 i) == 1.570796242501197085295336701632142060969 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-52 + 0.5 i) == 1.570796326794896420628589431857911675917 - 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-52 - 0.5 i) == 1.570796326794896420628589431857911675917 + 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 + 0.5 i) == 1.570796326794896619134347701278529840650 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619154657020805582738025 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 - 0.5 i) == 1.570796326794896619134347701278529840650 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619154657020805582738025 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (1.0 + 0.5 i) == 6.748888455860063801646649673121744318756e-1 - 7.328576759736452608886724437653071523305e-1 i":
 float: 1
 ifloat: 1
@@ -658,10 +957,6 @@ Test "Imaginary part of: cacos (1.0 - 0x1.fp-30 i) == 4.247867097467650115899790
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (1.5 + +0 i) == +0 - 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (1.5 + 0x1.fp-1025 i) == 4.819934639999230680322935210539402497827e-309 - 9.624236501192068949955178268487368462704e-1 i":
@@ -801,31 +1096,19 @@ ldouble: 1
 
 # casin
 Test "Imaginary part of: casin (+0 + 0.5 i) == +0 + 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (+0 + 1.0 i) == +0 + 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (+0 + 1.5 i) == +0 + 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
-Test "Imaginary part of: casin (+0 - 0.5 i) == +0 - 0.4812118250596034474977589134243684231352 i":
 double: 1
-float: 1
 idouble: 1
+Test "Imaginary part of: casin (+0 - 0.5 i) == +0 - 0.4812118250596034474977589134243684231352 i":
+float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (+0 - 1.0 i) == +0 - 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -835,31 +1118,19 @@ Test "Imaginary part of: casin (+0 - 1.5 i) == +0 - 1.19476321728710930411193082
 double: 1
 idouble: 1
 Test "Imaginary part of: casin (-0 + 0.5 i) == -0 + 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (-0 + 1.0 i) == -0 + 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (-0 + 1.5 i) == -0 + 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
-Test "Imaginary part of: casin (-0 - 0.5 i) == -0 - 0.4812118250596034474977589134243684231352 i":
 double: 1
-float: 1
 idouble: 1
+Test "Imaginary part of: casin (-0 - 0.5 i) == -0 - 0.4812118250596034474977589134243684231352 i":
+float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (-0 - 1.0 i) == -0 - 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -868,18 +1139,50 @@ ifloat: 1
 Test "Imaginary part of: casin (-0 - 1.5 i) == -0 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x0.ffffffffffffffffp0 i) == -0.0 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.0 + 0x1.000002p0 i) == -0.0 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x1p-23 i) == -0.0 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x0.ffffffffffffffffp0 i) == -0.0 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.0 - 0x1.000002p0 i) == -0.0 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x1p-23 i) == -0.0 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.25 + 1.0 i) == -1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-0.25 - 1.0 i) == -1.763024327769669304186785666360901026468e-1 - 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-1025 i) == -5.235987755982988730771072305465838140329e-1 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-129 i) == -5.235987755982988730771072305465838140329e-1 + 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-16385 i) == -5.235987755982988730771072305465838140329e-1 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0.5 + 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-52 i) == -5.235987755982988730771072305465648369889e-1 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0.5 + 1.0 i) == -3.494390628572132936274118260753699527325e-1 + 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -890,6 +1193,26 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-1025 i) == -5.235987755982988730771072305465838140329e-1 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-129 i) == -5.235987755982988730771072305465838140329e-1 - 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-16385 i) == -5.235987755982988730771072305465838140329e-1 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0.5 - 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-52 i) == -5.235987755982988730771072305465648369889e-1 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0.5 - 1.0 i) == -3.494390628572132936274118260753699527325e-1 - 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -900,6 +1223,24 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x0.fffffffffffff8p0 + 0x1p-52 i) == -1.570796307840326780080580569360500172043 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0x0.fffffffffffff8p0 - 0x1p-52 i) == -1.570796307840326780080580569360500172043 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == -1.570796326465624365239962068302568888898 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -1.570796326376055842114524927965556247908 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == -1.570796326465624365239962068302568888898 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -1.570796326376055842114524927965556247908 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.0000000000000002p0 + 0x1p-63 i) == -1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -962,12 +1303,18 @@ idouble: 1
 Test "Imaginary part of: casin (-0x1.fp-1025 - 1.5 i) == -2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0.5 i) == -2.546345110742945032959687790021055102355e-39 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0x1p-23 i) == -2.846900380897707329917933005874691056564e-39 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.0 i) == -2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -976,12 +1323,18 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.5 i) == -1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0.5 i) == -2.546345110742945032959687790021055102355e-39 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0x1p-23 i) == -2.846900380897707329917933005874691056564e-39 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.0 i) == -2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -990,6 +1343,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.5 i) == -1.579176199917649005841160751101628985741e-39 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == -5.757683115456107044287327268904964422212e-4933 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == -5.757683115456107044287327268904964422212e-4933 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1.fp-30 + 1.0 i) == -1.275929984216518540252717485007112529021e-9 + 8.813735870195430258081932989769495326854e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1010,25 +1369,103 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1p-105 + 0.5 i) == -2.204933261082751447436996198490110245167e-32 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-105 - 0.5 i) == -2.204933261082751447436996198490110245167e-32 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-112 + 0.5 i) == -1.722604110220899568310153280070398629037e-34 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-112 - 0.5 i) == -1.722604110220899568310153280070398629037e-34 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-23 + 0.5 i) == -1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 + 0.5 i) == -1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 + 0x0.ffffffp0 i) == -8.429369953393598499000760938112968755257e-8 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-23 + 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casin (-0x1p-23 - 0.5 i) == -1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 - 0.5 i) == -1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 - 0x0.ffffffp0 i) == -8.429369953393598499000760938112968755257e-8 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-23 - 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Imaginary part of: casin (-0x1p-52 + 0.5 i) == -1.986027322597818397661816253158024383707e-16 + 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-52 + 0x1.0000000000001p0 i) == -1.570092458683774885078102529858632363236e-16 + 8.813735870195431822418551933572982483664e-1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1p-52 - 0.5 i) == -1.986027322597818397661816253158024383707e-16 - 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-52 - 0x1.0000000000001p0 i) == -1.570092458683774885078102529858632363236e-16 - 8.813735870195431822418551933572982483664e-1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1p-63 + 0.5 i) == -9.697399036122160144833087173623140436413e-20 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-63 + 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 - 0.5 i) == -9.697399036122160144833087173623140436413e-20 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-63 - 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1059,10 +1496,6 @@ Test "Imaginary part of: casin (-1.0 - 0x1.fp-30 i) == -1.5707538481239219427301
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-1.5 + +0 i) == -pi/2 + 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-1.5 + 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 + 9.624236501192068949955178268487368462704e-1 i":
@@ -1086,18 +1519,50 @@ ldouble: 1
 Test "Imaginary part of: casin (-1.5 - 0x1.fp-16385 i) == -1.570796326794896619231321691639751442099 - 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x0.ffffffffffffffffp0 i) == 0.0 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.0 + 0x1.000002p0 i) == 0.0 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x1p-23 i) == 0.0 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x0.ffffffffffffffffp0 i) == 0.0 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.0 - 0x1.000002p0 i) == 0.0 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x1p-23 i) == 0.0 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.25 + 1.0 i) == 1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (0.25 - 1.0 i) == 1.763024327769669304186785666360901026468e-1 - 8.924633639033482359562124741744951972772e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-1025 i) == 5.235987755982988730771072305465838140329e-1 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-129 i) == 5.235987755982988730771072305465838140329e-1 + 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-16385 i) == 5.235987755982988730771072305465838140329e-1 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0.5 + 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-52 i) == 5.235987755982988730771072305465648369889e-1 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0.5 + 1.0 i) == 3.494390628572132936274118260753699527325e-1 + 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1108,6 +1573,26 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-1025 i) == 5.235987755982988730771072305465838140329e-1 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-129 i) == 5.235987755982988730771072305465838140329e-1 - 3.287317402534702257036015056278368274737e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-16385 i) == 5.235987755982988730771072305465838140329e-1 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0.5 - 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-52 i) == 5.235987755982988730771072305465648369889e-1 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0.5 - 1.0 i) == 3.494390628572132936274118260753699527325e-1 - 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1120,16 +1605,28 @@ ildouble: 1
 ldouble: 1
 Test "Real part of: casin (0.75 + 1.25 i) == 0.453276177638793913448921196101971749 + 1.13239363160530819522266333696834467 i":
 double: 1
-float: 1
 idouble: 1
-ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (0.75 + 1.25 i) == 0.453276177638793913448921196101971749 + 1.13239363160530819522266333696834467 i":
-float: 1
-ifloat: 1
-ildouble: 2
-ldouble: 2
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.570796307840326780080580569360500172043 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.570796307840326780080580569360500172043 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 1.570796326465624365239962068302568888898 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 1.570796326376055842114524927965556247908 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 1.570796326465624365239962068302568888898 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 1.570796326376055842114524927965556247908 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.0000000000000002p0 + 0x1p-63 i) == 1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -1192,12 +1689,18 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp-1025 - 1.5 i) == 2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0.5 i) == 2.546345110742945032959687790021055102355e-39 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0x1p-23 i) == 2.846900380897707329917933005874691056564e-39 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.0 i) == 2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1206,12 +1709,18 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.5 i) == 1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0.5 i) == 2.546345110742945032959687790021055102355e-39 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0x1p-23 i) == 2.846900380897707329917933005874691056564e-39 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.0 i) == 2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1220,6 +1729,12 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.5 i) == 1.579176199917649005841160751101628985741e-39 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 5.757683115456107044287327268904964422212e-4933 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 5.757683115456107044287327268904964422212e-4933 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1.fp-30 + 1.0 i) == 1.275929984216518540252717485007112529021e-9 + 8.813735870195430258081932989769495326854e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1246,25 +1761,103 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 + 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1p-105 + 0.5 i) == 2.204933261082751447436996198490110245167e-32 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-105 - 0.5 i) == 2.204933261082751447436996198490110245167e-32 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-112 + 0.5 i) == 1.722604110220899568310153280070398629037e-34 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-112 - 0.5 i) == 1.722604110220899568310153280070398629037e-34 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-23 + 0.5 i) == 1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 + 0.5 i) == 1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 + 0x0.ffffffp0 i) == 8.429369953393598499000760938112968755257e-8 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-23 + 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casin (0x1p-23 - 0.5 i) == 1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 - 0.5 i) == 1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 - 0x0.ffffffp0 i) == 8.429369953393598499000760938112968755257e-8 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-23 - 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Imaginary part of: casin (0x1p-52 + 0.5 i) == 1.986027322597818397661816253158024383707e-16 + 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-52 + 0x1.0000000000001p0 i) == 1.570092458683774885078102529858632363236e-16 + 8.813735870195431822418551933572982483664e-1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1p-52 - 0.5 i) == 1.986027322597818397661816253158024383707e-16 - 4.812118250596034474977589134243772428682e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-52 - 0x1.0000000000001p0 i) == 1.570092458683774885078102529858632363236e-16 - 8.813735870195431822418551933572982483664e-1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1p-63 + 0.5 i) == 9.697399036122160144833087173623140436413e-20 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-63 + 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 - 0.5 i) == 9.697399036122160144833087173623140436413e-20 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-63 - 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1295,10 +1888,6 @@ Test "Imaginary part of: casin (1.0 - 0x1.fp-30 i) == 1.570753848123921942730162
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (1.5 + +0 i) == pi/2 + 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (1.5 + 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 + 9.624236501192068949955178268487368462704e-1 i":
@@ -1331,17 +1920,9 @@ Test "Real part of: casinh (+0 - 1.5 i) == 0.96242365011920689499551782684873684
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0 + 1.5 i) == -0.9624236501192068949955178268487368462704 + pi/2 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0 - 1.5 i) == -0.9624236501192068949955178268487368462704 - pi/2 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0.0 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
@@ -1351,9 +1932,36 @@ Test "Real part of: casinh (-0.0 - 0x1.0000000000001p0 i) == -2.1073424255447015
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0.5 + +0 i) == -0.4812118250596034474977589134243684231352 + +0 i":
-double: 2
 float: 1
-idouble: 2
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1.fp-129 i) == -4.812118250596034474977589134243684231352e-1 + 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-105 i) == -4.812118250596034474977589134243684231352e-1 + 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-112 i) == -4.812118250596034474977589134243684231352e-1 + 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casinh (-0.5 + 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-52 i) == -4.812118250596034474977589134243772428682e-1 + 1.986027322597818397661816253158024383707e-16 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.5 + 0x1p-63 i) == -4.812118250596034474977589134243684231373e-1 + 9.697399036122160144833087173623140436413e-20 i":
+float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
@@ -1368,9 +1976,36 @@ ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0.5 - 0 i) == -0.4812118250596034474977589134243684231352 - 0 i":
-double: 2
 float: 1
-idouble: 2
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1.fp-129 i) == -4.812118250596034474977589134243684231352e-1 - 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-105 i) == -4.812118250596034474977589134243684231352e-1 - 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-112 i) == -4.812118250596034474977589134243684231352e-1 - 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casinh (-0.5 - 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-52 i) == -4.812118250596034474977589134243772428682e-1 - 1.986027322597818397661816253158024383707e-16 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.5 - 0x1p-63 i) == -4.812118250596034474977589134243684231373e-1 - 9.697399036122160144833087173623140436413e-20 i":
+float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
@@ -1384,6 +2019,40 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0.0 i) == -8.813735870195430251942769895627079569917e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == -8.813735870195430251942769895627079569917e-1 + 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0.0 i) == -8.813735870195430251942769895627079569917e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == -8.813735870195430251942769895627079569917e-1 - 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffp0 + 0x1p-23 i) == -8.813735448726963984495965873956465777250e-1 + 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffp0 - 0x1p-23 i) == -8.813735448726963984495965873956465777250e-1 - 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (-0x1.0000000000000002p0 + 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
 ildouble: 1
 ldouble: 1
@@ -1424,27 +2093,51 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casinh (-0x1.fp-1025 + 0.5 i) == -6.222508863508420569166420770843207333493e-309 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-1025 - 0.5 i) == -6.222508863508420569166420770843207333493e-309 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-129 + 0.5 i) == -3.287317402534702257036015056278368274737e-39 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-129 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-129 - 0.5 i) == -3.287317402534702257036015056278368274737e-39 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-129 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 + 0.5 i) == -9.402257155670418112159334875199821342890e-4933 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == -2.472906068161537187835415298076415423459e-4923 + 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-16385 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 - 0.5 i) == -9.402257155670418112159334875199821342890e-4933 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == -2.472906068161537187835415298076415423459e-4923 - 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-16385 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1454,25 +2147,69 @@ ldouble: 1
 Test "Real part of: casinh (-0x1.fp-30 - 1.0 i) == -4.247867098745151888768727039216644758847e-5 - 1.570753848123921942730162693731872690232 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0.0 i) == -1.192092895507809676556842485683592032154e-7 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0.5 i) == -1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (-0x1p-23 + 0.5 i) == -1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0x1.fp-129 i) == -1.192092895507809676556842485683592032154e-7 + 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0.0 i) == -1.192092895507809676556842485683592032154e-7 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0.5 i) == -1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (-0x1p-23 - 0.5 i) == -1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0x1.fp-129 i) == -1.192092895507809676556842485683592032154e-7 - 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 + 0.5 i) == -2.563950248511418570403591756798643804971e-16 + 5.235987755982988730771072305465648369889e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 + 0x0.fffffffffffff8p0 i) == -1.171456840272878582596796205397918831268e-8 + 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (-0x1p-52 + 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0.5 i) == -2.563950248511418570403591756798643804971e-16 - 5.235987755982988730771072305465648369889e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0x0.fffffffffffff8p0 i) == -1.171456840272878582596796205397918831268e-8 - 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (-0x1p-52 - 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -2.588578361325995866221775673638805081337e-10 + 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1p-63 + 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
+Test "Real part of: casinh (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -2.588578361325995866221775673638805081337e-10 - 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1p-63 - 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
 Test "Real part of: casinh (-1.0 + +0 i) == -0.8813735870195430252326093249797923090282 + +0 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Real part of: casinh (-1.0 + 0.25 i) == -8.924633639033482359562124741744951972772e-1 + 1.763024327769669304186785666360901026468e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1518,12 +2255,10 @@ Test "Imaginary part of: casinh (-1.0 + 0x1.fp-30 i) == -8.813735870195430258081
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-1.0 - 0 i) == -0.8813735870195430252326093249797923090282 - 0 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Real part of: casinh (-1.0 - 0.25 i) == -8.924633639033482359562124741744951972772e-1 - 1.763024327769669304186785666360901026468e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1569,10 +2304,8 @@ Test "Imaginary part of: casinh (-1.0 - 0x1.fp-30 i) == -8.813735870195430258081
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-1.5 + +0 i) == -1.194763217287109304111930828519090523536 + +0 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Real part of: casinh (-1.5 + 0x1.fp-1025 i) == -1.194763217287109304111930828519090523536 + 2.989196569048182929051881765490354365918e-309 i":
 double: 1
 idouble: 1
@@ -1580,10 +2313,8 @@ Test "Real part of: casinh (-1.5 + 0x1.fp-129 i) == -1.1947632172871093041119308
 double: 1
 idouble: 1
 Test "Real part of: casinh (-1.5 - 0 i) == -1.194763217287109304111930828519090523536 - 0 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Real part of: casinh (-1.5 - 0x1.fp-1025 i) == -1.194763217287109304111930828519090523536 - 2.989196569048182929051881765490354365918e-309 i":
 double: 1
 idouble: 1
@@ -1591,19 +2322,8 @@ Test "Real part of: casinh (-1.5 - 0x1.fp-129 i) == -1.1947632172871093041119308
 double: 1
 idouble: 1
 Test "Real part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i":
-double: 5
-float: 1
-idouble: 5
-ifloat: 1
-ildouble: 5
-ldouble: 5
-Test "Imaginary part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i":
-double: 3
-float: 6
-idouble: 3
-ifloat: 6
-ildouble: 5
-ldouble: 5
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0.0 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1611,12 +2331,39 @@ Test "Real part of: casinh (0.0 - 0x1.0000000000001p0 i) == 2.107342425544701550
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0.5 + +0 i) == 0.4812118250596034474977589134243684231352 + +0 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1.fp-129 i) == 4.812118250596034474977589134243684231352e-1 + 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-105 i) == 4.812118250596034474977589134243684231352e-1 + 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-112 i) == 4.812118250596034474977589134243684231352e-1 + 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casinh (0.5 + 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-52 i) == 4.812118250596034474977589134243772428682e-1 + 1.986027322597818397661816253158024383707e-16 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0.5 + 0x1p-63 i) == 4.812118250596034474977589134243684231373e-1 + 9.697399036122160144833087173623140436413e-20 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0.5 + 1.0 i) == 7.328576759736452608886724437653071523305e-1 + 8.959074812088902390666567243275770102229e-1 i":
 float: 1
 ifloat: 1
@@ -1628,10 +2375,37 @@ ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0.5 - 0 i) == 0.4812118250596034474977589134243684231352 - 0 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1.fp-129 i) == 4.812118250596034474977589134243684231352e-1 - 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-105 i) == 4.812118250596034474977589134243684231352e-1 - 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-112 i) == 4.812118250596034474977589134243684231352e-1 - 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casinh (0.5 - 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-52 i) == 4.812118250596034474977589134243772428682e-1 - 1.986027322597818397661816253158024383707e-16 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0.5 - 0x1p-63 i) == 4.812118250596034474977589134243684231373e-1 - 9.697399036122160144833087173623140436413e-20 i":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0.5 - 1.0 i) == 7.328576759736452608886724437653071523305e-1 - 8.959074812088902390666567243275770102229e-1 i":
@@ -1654,6 +2428,40 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0.0 i) == 8.813735870195430251942769895627079569917e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 8.813735870195430251942769895627079569917e-1 + 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0.0 i) == 8.813735870195430251942769895627079569917e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 8.813735870195430251942769895627079569917e-1 - 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffp0 + 0x1p-23 i) == 8.813735448726963984495965873956465777250e-1 + 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffp0 - 0x1p-23 i) == 8.813735448726963984495965873956465777250e-1 - 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (0x1.0000000000000002p0 + 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
 ildouble: 1
 ldouble: 1
@@ -1694,27 +2502,51 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casinh (0x1.fp-1025 + 0.5 i) == 6.222508863508420569166420770843207333493e-309 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-1025 - 0.5 i) == 6.222508863508420569166420770843207333493e-309 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-129 + 0.5 i) == 3.287317402534702257036015056278368274737e-39 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-129 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-129 - 0.5 i) == 3.287317402534702257036015056278368274737e-39 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-129 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 + 0.5 i) == 9.402257155670418112159334875199821342890e-4933 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 2.472906068161537187835415298076415423459e-4923 + 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-16385 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 - 0.5 i) == 9.402257155670418112159334875199821342890e-4933 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 2.472906068161537187835415298076415423459e-4923 - 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-16385 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1730,15 +2562,61 @@ idouble: 1
 Test "Real part of: casinh (0x1.fp127 + 0x1.fp127 i) == 8.973081118419833726837456344608533993585e1 + 7.853981633974483096156608458198757210493e-1 i":
 double: 1
 idouble: 1
+Test "Real part of: casinh (0x1p-23 + 0.0 i) == 1.192092895507809676556842485683592032154e-7 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 + 0.5 i) == 1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0x1p-23 + 0.5 i) == 1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 + 0x1.fp-129 i) == 1.192092895507809676556842485683592032154e-7 + 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0.0 i) == 1.192092895507809676556842485683592032154e-7 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0.5 i) == 1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0x1p-23 - 0.5 i) == 1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0x1.fp-129 i) == 1.192092895507809676556842485683592032154e-7 - 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 + 0.5 i) == 2.563950248511418570403591756798643804971e-16 + 5.235987755982988730771072305465648369889e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 + 0x0.fffffffffffff8p0 i) == 1.171456840272878582596796205397918831268e-8 + 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (0x1p-52 + 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0.5 i) == 2.563950248511418570403591756798643804971e-16 - 5.235987755982988730771072305465648369889e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0x0.fffffffffffff8p0 i) == 1.171456840272878582596796205397918831268e-8 - 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (0x1p-52 - 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 2.588578361325995866221775673638805081337e-10 + 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1p-63 + 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
+Test "Real part of: casinh (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 2.588578361325995866221775673638805081337e-10 - 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1p-63 - 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
@@ -4568,9 +5446,9 @@ ildouble: 1
 ldouble: 1
 
 Function: Imaginary part of "cacos":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
@@ -4596,32 +5474,32 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
+ildouble: 1
+ldouble: 1
 
 Function: Imaginary part of "casin":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
 ildouble: 2
 ldouble: 2
 
 Function: Real part of "casinh":
-double: 5
+double: 1
 float: 1
-idouble: 5
+idouble: 1
 ifloat: 1
-ildouble: 5
-ldouble: 5
+ildouble: 2
+ldouble: 2
 
 Function: Imaginary part of "casinh":
-double: 3
-float: 6
-idouble: 3
-ifloat: 6
-ildouble: 5
-ldouble: 5
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: Imaginary part of "catan":
 double: 1
diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps
index f370aebcbb..29167f388d 100644
--- a/sysdeps/x86_64/fpu/libm-test-ulps
+++ b/sysdeps/x86_64/fpu/libm-test-ulps
@@ -181,29 +181,19 @@ ldouble: 1
 
 # cacos
 Test "Imaginary part of: cacos (+0 + 0.5 i) == pi/2 - 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (+0 + 1.0 i) == pi/2 - 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: cacos (+0 + 1.5 i) == pi/2 - 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Imaginary part of: cacos (+0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
 float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (+0 - 1.0 i) == pi/2 + 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -213,29 +203,19 @@ Test "Imaginary part of: cacos (+0 - 1.5 i) == pi/2 + 1.194763217287109304111930
 double: 1
 idouble: 1
 Test "Imaginary part of: cacos (-0 + 0.5 i) == pi/2 - 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (-0 + 1.0 i) == pi/2 - 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: cacos (-0 + 1.5 i) == pi/2 - 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Imaginary part of: cacos (-0 - 0.5 i) == pi/2 + 0.4812118250596034474977589134243684231352 i":
 float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: cacos (-0 - 1.0 i) == pi/2 + 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -244,12 +224,24 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0 - 1.5 i) == pi/2 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.0 + 0x1p-23 i) == 1.570796326794896619231321691639751442099 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (-0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.0 - 0x1p-23 i) == 1.570796326794896619231321691639751442099 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.25 + 1.0 i) == 1.747098759571863549650000258275841544745 - 8.924633639033482359562124741744951972772e-1 i":
 double: 1
 float: 1
@@ -270,6 +262,29 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-1025 i) == 2.094395102393195492308428922186335256131 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-129 i) == 2.094395102393195492308428922186335256131 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1.fp-16385 i) == 2.094395102393195492308428922186335256131 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-105 i) == 2.094395102393195492308428922186335256131 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-112 i) == 2.094395102393195492308428922186335256131 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-23 i) == 2.094395102393190022547898764614298351924 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 + 0x1p-52 i) == 2.094395102393195492308428922186316279087 - 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.5 + 1.0 i) == 1.920235389652109912858733517715121394831 - 9.261330313501824245501244453057873152694e-1 i":
 float: 1
 ifloat: 1
@@ -278,6 +293,29 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-1025 i) == 2.094395102393195492308428922186335256131 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-129 i) == 2.094395102393195492308428922186335256131 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1.fp-16385 i) == 2.094395102393195492308428922186335256131 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-105 i) == 2.094395102393195492308428922186335256131 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-112 i) == 2.094395102393195492308428922186335256131 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-23 i) == 2.094395102393190022547898764614298351924 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0.5 - 0x1p-52 i) == 2.094395102393195492308428922186316279087 + 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0.5 - 1.0 i) == 1.920235389652109912858733517715121394831 + 9.261330313501824245501244453057873152694e-1 i":
 float: 1
 ifloat: 1
@@ -286,6 +324,30 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (-0x0.fffffffffffff8p0 + 0x1p-52 i) == 3.141592634635223399311902261000251614142 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0x0.fffffffffffff8p0 - 0x1p-52 i) == 3.141592634635223399311902261000251614142 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 3.141592653260520984471283759942320330996 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == 3.141592653170952461345846619605307690007 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 3.141592653260520984471283759942320330996 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == 3.141592653170952461345846619605307690007 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x0.ffffffp0 + 0x1p-23 i) == 3.141153467203602189751698864505105063797 - 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cacos (-0x0.ffffffp0 - 0x1p-23 i) == 3.141153467203602189751698864505105063797 + 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
 Test "Imaginary part of: cacos (-0x1.0000000000000002p0 + 0x1p-63 i) == 3.141592653377875508152537040020250564229 - 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -360,12 +422,30 @@ idouble: 1
 Test "Imaginary part of: cacos (-0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (-0x1.fp-129 + 0.5 i) == 1.570796326794896619231321691639751442101 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0.5 i) == 1.570796326794896619231321691639751442101 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1.fp-129 + 0x0.ffffffp0 i) == 1.570796326794896619231321691639751442101 - 8.813735448726938863015878255140556727969e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
 float: 1
 ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (-0x1.fp-129 + 0x1.fp-129 i) == 1.570796326794896619231321691639751442101 - 2.846900380897727558361783801085126250967e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1.fp-129 + 0x1p-23 i) == 1.570796326794896619231321691639751442101 - 1.192092895507809676556842485683592032154e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 + 0x1p-23 i) == 1.570796326794896619231321691639751442101 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442101 - 8.813735870195430252326093249797923090282e-1 i":
 float: 1
 ifloat: 1
@@ -380,12 +460,30 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442100 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (-0x1.fp-129 - 0.5 i) == 1.570796326794896619231321691639751442101 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0.5 i) == 1.570796326794896619231321691639751442101 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1.fp-129 - 0x0.ffffffp0 i) == 1.570796326794896619231321691639751442101 + 8.813735448726938863015878255140556727969e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
 float: 1
 ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442101 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (-0x1.fp-129 - 0x1.fp-129 i) == 1.570796326794896619231321691639751442101 + 2.846900380897727558361783801085126250967e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1.fp-129 - 0x1p-23 i) == 1.570796326794896619231321691639751442101 + 1.192092895507809676556842485683592032154e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1.fp-129 - 0x1p-23 i) == 1.570796326794896619231321691639751442101 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442101 + 8.813735870195430252326093249797923090282e-1 i":
 float: 1
 ifloat: 1
@@ -400,6 +498,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (-0x1.fp-129 - 1.5 i) == 1.570796326794896619231321691639751442100 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (-0x1.fp-30 + 1.0 i) == 1.570796328070826603447840231892468927106 - 8.813735870195430258081932989769495326854e-1 i":
 float: 1
 ifloat: 1
@@ -420,6 +524,156 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (-0x1p-105 + 0.0 i) == 1.570796326794896619231321691639776094002 - 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-105 + 0.5 i) == 1.570796326794896619231321691639773491431 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-105 + 0.5 i) == 1.570796326794896619231321691639773491431 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-105 + 0x1p-105 i) == 1.570796326794896619231321691639776094002 - 2.465190328815661891911651766508706967729e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-105 - 0.0 i) == 1.570796326794896619231321691639776094002 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-105 - 0.5 i) == 1.570796326794896619231321691639773491431 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-105 - 0.5 i) == 1.570796326794896619231321691639773491431 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-105 - 0x1p-105 i) == 1.570796326794896619231321691639776094002 + 2.465190328815661891911651766508706967729e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 + 0.0 i) == 1.570796326794896619231321691639751634692 - 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 + 0.5 i) == 1.570796326794896619231321691639751614359 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-112 + 0.5 i) == 1.570796326794896619231321691639751614359 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 + 0x1p-112 i) == 1.570796326794896619231321691639751634692 - 1.925929944387235853055977942584927318538e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 - 0.0 i) == 1.570796326794896619231321691639751634692 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 - 0.5 i) == 1.570796326794896619231321691639751614359 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-112 - 0.5 i) == 1.570796326794896619231321691639751614359 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-112 - 0x1p-112 i) == 1.570796326794896619231321691639751634692 + 1.925929944387235853055977942584927318538e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 + 0.0 i) == 1.570796446004186170012854035955502877351 - 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 + 0.5 i) == 1.570796433418926613232299739606181733819 - 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 + 0.5 i) == 1.570796433418926613232299739606181733819 - 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 + 0x0.ffffffp0 i) == 1.570796411088596153167306681647360823228 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-23 + 0x1.fp-129 i) == 1.570796446004186170012854035955502877351 - 2.846900380897747786805634596726756660388e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 + 0x1p-23 i) == 1.570796446004186170012007003008248567984 - 1.192092895507818146886315028596704749235e-7 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 - 0.0 i) == 1.570796446004186170012854035955502877351 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 - 0.5 i) == 1.570796433418926613232299739606181733819 + 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 - 0.5 i) == 1.570796433418926613232299739606181733819 + 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-23 - 0x0.ffffffp0 i) == 1.570796411088596153167306681647360823228 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-23 - 0x1.fp-129 i) == 1.570796446004186170012854035955502877351 + 2.846900380897747786805634596726756660388e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-23 - 0x1p-23 i) == 1.570796446004186170012007003008248567984 + 1.192092895507818146886315028596704749235e-7 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-52 + 0.0 i) == 1.570796326794896841275926616671059526825 - 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-52 + 0.5 i) == 1.570796326794896817834053951421591208280 - 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-52 + 0.5 i) == 1.570796326794896817834053951421591208280 - 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-52 + 0x1p-52 i) == 1.570796326794896841275926616671059526825 - 2.220446049250313080847263336181677117148e-16 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-52 - 0.0 i) == 1.570796326794896841275926616671059526825 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-52 - 0.5 i) == 1.570796326794896817834053951421591208280 + 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-52 - 0.5 i) == 1.570796326794896817834053951421591208280 + 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-52 - 0x1p-52 i) == 1.570796326794896841275926616671059526825 + 2.220446049250313080847263336181677117148e-16 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-63 + 0.0 i) == 1.570796326794896619339741908888301885499 - 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-63 + 0.5 i) == 1.570796326794896619328295682000973043547 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-63 + 0.5 i) == 1.570796326794896619328295682000973043547 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619307986362473920146173 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-63 + 0x1p-63 i) == 1.570796326794896619339741908888301885499 - 1.084202172485504434007452800869941711430e-19 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-63 - 0.0 i) == 1.570796326794896619339741908888301885499 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (-0x1p-63 - 0.5 i) == 1.570796326794896619328295682000973043547 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (-0x1p-63 - 0.5 i) == 1.570796326794896619328295682000973043547 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619307986362473920146173 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (-0x1p-63 - 0x1p-63 i) == 1.570796326794896619339741908888301885499 + 1.084202172485504434007452800869941711430e-19 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (-1.0 + 0.5 i) == 2.466703808003786858297978415967328452322 - 7.328576759736452608886724437653071523305e-1 i":
 float: 1
 ifloat: 1
@@ -449,10 +703,6 @@ Test "Real part of: cacos (-1.0 - 0x1p50 i) == 1.5707963267948975074097413917649
 float: 1
 ifloat: 1
 Test "Imaginary part of: cacos (-1.5 + +0 i) == pi - 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (-1.5 + 0x1.fp-1025 i) == 3.141592653589793238462643383279502884197 - 9.624236501192068949955178268487368462704e-1 i":
@@ -479,12 +729,24 @@ ldouble: 1
 Test "Real part of: cacos (-2 - 3 i) == 2.1414491111159960199416055713254211 + 1.9833870299165354323470769028940395 i":
 float: 1
 ifloat: 1
+Test "Imaginary part of: cacos (0.0 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.0 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 + 0x1p-23 i) == 1.570796326794896619231321691639751442099 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.0 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442099 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0.0 - 0x1p-23 i) == 1.570796326794896619231321691639751442099 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0.25 + 1.0 i) == 1.394493894017929688812643125003661339452 - 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -498,8 +760,47 @@ ldouble: 1
 Test "Real part of: cacos (0.5 + +0 i) == 1.047197551196597746154214461093167628066 - 0 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (0.5 + 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 - 6.222508863508420569166420770843207333493e-309 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1.fp-16385 i) == 1.047197551196597746154214461093167628066 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-105 i) == 1.047197551196597746154214461093167628066 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-105 i) == 1.047197551196597746154214461093167628066 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-112 i) == 1.047197551196597746154214461093167628066 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-112 i) == 1.047197551196597746154214461093167628066 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-23 i) == 1.047197551196603215914744618665204532273 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-52 i) == 1.047197551196597746154214461093186605110 - 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 + 0x1p-52 i) == 1.047197551196597746154214461093186605110 - 2.563950248511418570403591756798643804971e-16 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (0.5 + 0x1p-63 i) == 1.047197551196597746154214461093167628070 - 1.251928832280966098829878787499365228659e-19 i":
+double: 1
+idouble: 1
 Test "Real part of: cacos (0.5 + 1.0 i) == 1.221357263937683325603909865564381489366 - 9.261330313501824245501244453057873152694e-1 i":
 float: 1
 ifloat: 1
@@ -511,8 +812,47 @@ ldouble: 1
 Test "Real part of: cacos (0.5 - 0 i) == 1.047197551196597746154214461093167628066 + +0 i":
 double: 1
 idouble: 1
+Test "Real part of: cacos (0.5 - 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 + 6.222508863508420569166420770843207333493e-309 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-1025 i) == 1.047197551196597746154214461093167628066 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-129 i) == 1.047197551196597746154214461093167628066 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1.fp-16385 i) == 1.047197551196597746154214461093167628066 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-105 i) == 1.047197551196597746154214461093167628066 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-105 i) == 1.047197551196597746154214461093167628066 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-112 i) == 1.047197551196597746154214461093167628066 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-112 i) == 1.047197551196597746154214461093167628066 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-23 i) == 1.047197551196603215914744618665204532273 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-52 i) == 1.047197551196597746154214461093186605110 + 2.563950248511418570403591756798643804971e-16 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0.5 - 0x1p-52 i) == 1.047197551196597746154214461093186605110 + 2.563950248511418570403591756798643804971e-16 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: cacos (0.5 - 0x1p-63 i) == 1.047197551196597746154214461093167628070 + 1.251928832280966098829878787499365228659e-19 i":
+double: 1
+idouble: 1
 Test "Real part of: cacos (0.5 - 1.0 i) == 1.221357263937683325603909865564381489366 + 9.261330313501824245501244453057873152694e-1 i":
 float: 1
 ifloat: 1
@@ -521,14 +861,63 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
-Test "Real part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i":
+Test "Imaginary part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 - 1.171456840272878582596796205397918831268e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Real part of: cacos (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 + 1.171456840272878582596796205397918831268e-8 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.895456983915074112227925127005564372844e-8 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 3.292722539913596233371825532007990724506e-10 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 3.292722539913596233371825532007990724506e-10 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 4.188407771167967636741951941902992986043e-10 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: cacos (0x0.ffffffp0 + 0.0 i) == 3.452669847162035876032494826387364972849e-4 - 0.0 i":
 float: 1
 ifloat: 1
-Test "Imaginary part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i":
+Test "Real part of: cacos (0x0.ffffffp0 + 0x1.fp-129 i) == 3.452669847162035876032494826387364972849e-4 - 8.245504387859737323891843603996428534945e-36 i":
 float: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
+Test "Real part of: cacos (0x0.ffffffp0 + 0x1p-23 i) == 4.391863861910487109445187743978204002614e-4 - 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cacos (0x0.ffffffp0 + 0x1p-23 i) == 4.391863861910487109445187743978204002614e-4 - 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Real part of: cacos (0x0.ffffffp0 - 0.0 i) == 3.452669847162035876032494826387364972849e-4 + 0.0 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (0x0.ffffffp0 - 0x1.fp-129 i) == 3.452669847162035876032494826387364972849e-4 + 8.245504387859737323891843603996428534945e-36 i":
+float: 1
+ifloat: 1
+Test "Real part of: cacos (0x0.ffffffp0 - 0x1p-23 i) == 4.391863861910487109445187743978204002614e-4 + 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: cacos (0x0.ffffffp0 - 0x1p-23 i) == 4.391863861910487109445187743978204002614e-4 + 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
 Test "Real part of: cacos (0x1.0000000000000002p0 + 0x1p-63 i) == 2.119177303101063432592523199680782317447e-10 - 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 1
 ldouble: 1
@@ -619,9 +1008,15 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp-1025 - 1.5 i) == 1.570796326794896619231321691639751442099 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0.5 i) == 1.570796326794896619231321691639751442096 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 + 0x1p-23 i) == 1.570796326794896619231321691639751442096 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.0 i) == 1.570796326794896619231321691639751442097 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -630,9 +1025,15 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 + 1.5 i) == 1.570796326794896619231321691639751442097 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0.5 i) == 1.570796326794896619231321691639751442096 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 0x1.000002p0 i) == 1.570796326794896619231321691639751442097 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-129 - 0x1p-23 i) == 1.570796326794896619231321691639751442096 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.0 i) == 1.570796326794896619231321691639751442097 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -641,6 +1042,12 @@ ifloat: 1
 Test "Imaginary part of: cacos (0x1.fp-129 - 1.5 i) == 1.570796326794896619231321691639751442097 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619231321691639751442099 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: cacos (0x1.fp-30 + 1.0 i) == 1.570796325518966635014803151387033957091 - 8.813735870195430258081932989769495326854e-1 i":
 double: 1
 float: 1
@@ -661,6 +1068,60 @@ idouble: 1
 Test "Imaginary part of: cacos (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 - 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: cacos (0x1p-105 + 0.5 i) == 1.570796326794896619231321691639729392766 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-105 - 0.5 i) == 1.570796326794896619231321691639729392766 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-112 + 0.5 i) == 1.570796326794896619231321691639751269838 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-112 - 0.5 i) == 1.570796326794896619231321691639751269838 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 + 0.5 i) == 1.570796220170866625230343643673321150378 - 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 + 0x0.ffffffp0 i) == 1.570796242501197085295336701632142060969 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-23 - 0.5 i) == 1.570796220170866625230343643673321150378 + 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: cacos (0x1p-23 - 0x0.ffffffp0 i) == 1.570796242501197085295336701632142060969 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-52 + 0.5 i) == 1.570796326794896420628589431857911675917 - 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-52 - 0.5 i) == 1.570796326794896420628589431857911675917 + 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 + 0.5 i) == 1.570796326794896619134347701278529840650 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 1.570796326794896619154657020805582738025 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 - 0.5 i) == 1.570796326794896619134347701278529840650 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: cacos (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 1.570796326794896619154657020805582738025 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: cacos (1.0 + 0.25 i) == 4.890443302710802929202843732146540079124e-1 - 5.097911466811016354623559941115413499164e-1 i":
 double: 1
 idouble: 1
@@ -706,10 +1167,6 @@ Test "Imaginary part of: cacos (1.0 - 0x1.fp-30 i) == 4.247867097467650115899790
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (1.5 + +0 i) == +0 - 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: cacos (1.5 + 0x1.fp-1025 i) == 4.819934639999230680322935210539402497827e-309 - 9.624236501192068949955178268487368462704e-1 i":
@@ -833,29 +1290,19 @@ ldouble: 1
 
 # casin
 Test "Imaginary part of: casin (+0 + 0.5 i) == +0 + 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (+0 + 1.0 i) == +0 + 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (+0 + 1.5 i) == +0 + 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Imaginary part of: casin (+0 - 0.5 i) == +0 - 0.4812118250596034474977589134243684231352 i":
 float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (+0 - 1.0 i) == +0 - 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -865,29 +1312,19 @@ Test "Imaginary part of: casin (+0 - 1.5 i) == +0 - 1.19476321728710930411193082
 double: 1
 idouble: 1
 Test "Imaginary part of: casin (-0 + 0.5 i) == -0 + 0.4812118250596034474977589134243684231352 i":
-double: 2
 float: 1
-idouble: 2
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (-0 + 1.0 i) == -0 + 0.8813735870195430252326093249797923090282 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (-0 + 1.5 i) == -0 + 1.194763217287109304111930828519090523536 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Imaginary part of: casin (-0 - 0.5 i) == -0 - 0.4812118250596034474977589134243684231352 i":
 float: 1
 ifloat: 1
-ildouble: 1
-ldouble: 1
 Test "Imaginary part of: casin (-0 - 1.0 i) == -0 - 0.8813735870195430252326093249797923090282 i":
 double: 1
 float: 1
@@ -896,12 +1333,24 @@ ifloat: 1
 Test "Imaginary part of: casin (-0 - 1.5 i) == -0 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x0.ffffffffffffffffp0 i) == -0.0 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.0 + 0x1.000002p0 i) == -0.0 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.0 + 0x1p-23 i) == -0.0 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x0.ffffffffffffffffp0 i) == -0.0 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.0 - 0x1.000002p0 i) == -0.0 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.0 - 0x1p-23 i) == -0.0 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0.25 + 1.0 i) == -1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -912,6 +1361,32 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-1025 i) == -5.235987755982988730771072305465838140329e-1 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-129 i) == -5.235987755982988730771072305465838140329e-1 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1.fp-16385 i) == -5.235987755982988730771072305465838140329e-1 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-105 i) == -5.235987755982988730771072305465838140329e-1 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-112 i) == -5.235987755982988730771072305465838140329e-1 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (-0.5 + 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 + 0x1p-52 i) == -5.235987755982988730771072305465648369889e-1 + 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0.5 + 1.0 i) == -3.494390628572132936274118260753699527325e-1 + 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -920,6 +1395,32 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-1025 i) == -5.235987755982988730771072305465838140329e-1 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-129 i) == -5.235987755982988730771072305465838140329e-1 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1.fp-16385 i) == -5.235987755982988730771072305465838140329e-1 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-105 i) == -5.235987755982988730771072305465838140329e-1 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-112 i) == -5.235987755982988730771072305465838140329e-1 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (-0.5 - 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-23 i) == -5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0.5 - 0x1p-52 i) == -5.235987755982988730771072305465648369889e-1 - 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0.5 - 1.0 i) == -3.494390628572132936274118260753699527325e-1 - 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -928,6 +1429,30 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x0.fffffffffffff8p0 + 0x1p-52 i) == -1.570796307840326780080580569360500172043 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0x0.fffffffffffff8p0 - 0x1p-52 i) == -1.570796307840326780080580569360500172043 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == -1.570796326465624365239962068302568888898 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -1.570796326376055842114524927965556247908 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == -1.570796326465624365239962068302568888898 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -1.570796326376055842114524927965556247908 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x0.ffffffp0 + 0x1p-23 i) == -1.570357140408705570520377172865353621698 + 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: casin (-0x0.ffffffp0 - 0x1p-23 i) == -1.570357140408705570520377172865353621698 - 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
 Test "Imaginary part of: casin (-0x1.0000000000000002p0 + 0x1p-63 i) == -1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -1002,12 +1527,18 @@ idouble: 1
 Test "Imaginary part of: casin (-0x1.fp-1025 - 1.5 i) == -2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0.5 i) == -2.546345110742945032959687790021055102355e-39 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 + 0x1p-23 i) == -2.846900380897707329917933005874691056564e-39 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.0 i) == -2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1016,12 +1547,18 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 + 1.5 i) == -1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0.5 i) == -2.546345110742945032959687790021055102355e-39 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 0x1.000002p0 i) == -2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-129 - 0x1p-23 i) == -2.846900380897707329917933005874691056564e-39 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.0 i) == -2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1030,6 +1567,12 @@ ifloat: 1
 Test "Imaginary part of: casin (-0x1.fp-129 - 1.5 i) == -1.579176199917649005841160751101628985741e-39 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == -5.757683115456107044287327268904964422212e-4933 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == -5.757683115456107044287327268904964422212e-4933 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1.fp-30 + 1.0 i) == -1.275929984216518540252717485007112529021e-9 + 8.813735870195430258081932989769495326854e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1050,19 +1593,89 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1p-105 + 0.5 i) == -2.204933261082751447436996198490110245167e-32 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-105 - 0.5 i) == -2.204933261082751447436996198490110245167e-32 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-112 + 0.5 i) == -1.722604110220899568310153280070398629037e-34 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-112 - 0.5 i) == -1.722604110220899568310153280070398629037e-34 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: casin (-0x1p-23 + 0.5 i) == -1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 + 0.5 i) == -1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 + 0x0.ffffffp0 i) == -8.429369953393598499000760938112968755257e-8 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-23 + 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casin (-0x1p-23 - 0.5 i) == -1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 - 0.5 i) == -1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (-0x1p-23 - 0x0.ffffffp0 i) == -8.429369953393598499000760938112968755257e-8 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-23 - 0x1.000002p0 i) == -8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Imaginary part of: casin (-0x1p-52 + 0.5 i) == -1.986027322597818397661816253158024383707e-16 + 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-52 - 0.5 i) == -1.986027322597818397661816253158024383707e-16 - 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 + 0.5 i) == -9.697399036122160144833087173623140436413e-20 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-63 + 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 - 0.5 i) == -9.697399036122160144833087173623140436413e-20 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (-0x1p-63 - 0x1.0000000000000002p0 i) == -7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1105,10 +1718,6 @@ Test "Imaginary part of: casin (-1.0 - 0x1.fp-30 i) == -1.5707538481239219427301
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-1.5 + +0 i) == -pi/2 + 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (-1.5 + 0x1.fp-1025 i) == -1.570796326794896619231321691639751442099 + 9.624236501192068949955178268487368462704e-1 i":
@@ -1132,12 +1741,24 @@ ldouble: 1
 Test "Imaginary part of: casin (-1.5 - 0x1.fp-16385 i) == -1.570796326794896619231321691639751442099 - 9.624236501192068949955178268487368462704e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x0.ffffffffffffffffp0 i) == 0.0 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.0 + 0x1.000002p0 i) == 0.0 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 + 0x1p-23 i) == 0.0 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x0.ffffffffffffffffp0 i) == 0.0 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.0 - 0x1.000002p0 i) == 0.0 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.0 - 0x1p-23 i) == 0.0 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0.25 + 1.0 i) == 1.763024327769669304186785666360901026468e-1 + 8.924633639033482359562124741744951972772e-1 i":
 float: 1
 ifloat: 1
@@ -1148,6 +1769,32 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-1025 i) == 5.235987755982988730771072305465838140329e-1 + 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-129 i) == 5.235987755982988730771072305465838140329e-1 + 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1.fp-16385 i) == 5.235987755982988730771072305465838140329e-1 + 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-105 i) == 5.235987755982988730771072305465838140329e-1 + 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-112 i) == 5.235987755982988730771072305465838140329e-1 + 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (0.5 + 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 + 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 + 0x1p-52 i) == 5.235987755982988730771072305465648369889e-1 + 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0.5 + 1.0 i) == 3.494390628572132936274118260753699527325e-1 + 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1156,6 +1803,32 @@ double: 1
 idouble: 1
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-1025 i) == 5.235987755982988730771072305465838140329e-1 - 6.222508863508420569166420770843207333493e-309 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-129 i) == 5.235987755982988730771072305465838140329e-1 - 3.287317402534702257036015056278368274737e-39 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1.fp-16385 i) == 5.235987755982988730771072305465838140329e-1 - 9.402257155670418112159334875199821342890e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-105 i) == 5.235987755982988730771072305465838140329e-1 - 2.846556599890768890940941645338546615370e-32 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-112 i) == 5.235987755982988730771072305465838140329e-1 - 2.223872343664663196047610660420739543258e-34 i":
+double: 1
+idouble: 1
+Test "Real part of: casin (0.5 - 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-23 i) == 5.235987755982934033165770729745469098254e-1 - 1.376510308240943236356088341381173571841e-7 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0.5 - 0x1p-52 i) == 5.235987755982988730771072305465648369889e-1 - 2.563950248511418570403591756798643804971e-16 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0.5 - 1.0 i) == 3.494390628572132936274118260753699527325e-1 - 9.261330313501824245501244453057873152694e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1169,13 +1842,33 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Imaginary part of: casin (0.75 + 1.25 i) == 0.453276177638793913448921196101971749 + 1.13239363160530819522266333696834467 i":
-float: 1
-ifloat: 1
-ildouble: 2
-ldouble: 2
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.fffffffffffff8p0 + 0x1p-52 i) == 1.570796307840326780080580569360500172043 + 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0x0.fffffffffffff8p0 - 0x1p-52 i) == 1.570796307840326780080580569360500172043 - 1.171456840272878582596796205397918831268e-8 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 1.570796326465624365239962068302568888898 + 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 1.570796326376055842114524927965556247908 + 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 1.570796326465624365239962068302568888898 - 2.472906068161537187835415298076415423459e-4923 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 1.570796326376055842114524927965556247908 - 2.588578361325995866221775673638805081337e-10 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x0.ffffffp0 + 0x1p-23 i) == 1.570357140408705570520377172865353621698 + 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
+Test "Imaginary part of: casin (0x0.ffffffp0 - 0x1p-23 i) == 1.570357140408705570520377172865353621698 - 2.714321200917194650737217746780928423385e-4 i":
+float: 2
+ifloat: 2
 Test "Imaginary part of: casin (0x1.0000000000000002p0 + 0x1p-63 i) == 1.570796326582978888921215348380499122131 + 5.116146586219826555037807251857670783420e-10 i":
 ildouble: 2
 ldouble: 2
@@ -1250,12 +1943,18 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp-1025 - 1.5 i) == 2.989196569048182929051881765490354365918e-309 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0.5 i) == 2.546345110742945032959687790021055102355e-39 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 + 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 + 0x1p-23 i) == 2.846900380897707329917933005874691056564e-39 + 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.0 i) == 2.013062564695348242280482517399205554874e-39 + 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1264,12 +1963,18 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 + 1.5 i) == 1.579176199917649005841160751101628985741e-39 + 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0.5 i) == 2.546345110742945032959687790021055102355e-39 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
 Test "Real part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 0x1.000002p0 i) == 2.013062444707472738895109955455676357057e-39 - 8.813736713132375348727889167749389235161e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-129 - 0x1p-23 i) == 2.846900380897707329917933005874691056564e-39 - 1.192092895507809676556842485683592032154e-7 i":
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.0 i) == 2.013062564695348242280482517399205554874e-39 - 8.813735870195430252326093249797923090282e-1 i":
 double: 1
 float: 1
@@ -1278,6 +1983,12 @@ ifloat: 1
 Test "Imaginary part of: casin (0x1.fp-129 - 1.5 i) == 1.579176199917649005841160751101628985741e-39 - 1.194763217287109304111930828519090523536 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 5.757683115456107044287327268904964422212e-4933 + 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 5.757683115456107044287327268904964422212e-4933 - 8.813735870195430251942769895627079569917e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1.fp-30 + 1.0 i) == 1.275929984216518540252717485007112529021e-9 + 8.813735870195430258081932989769495326854e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1304,19 +2015,89 @@ idouble: 1
 Test "Imaginary part of: casin (0x1.fp127 + 0x1.fp127 i) == 7.853981633974483096156608458198757210493e-1 + 8.973081118419833726837456344608533993585e1 i":
 double: 1
 idouble: 1
+Test "Imaginary part of: casin (0x1p-105 + 0.5 i) == 2.204933261082751447436996198490110245167e-32 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-105 - 0.5 i) == 2.204933261082751447436996198490110245167e-32 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-112 + 0.5 i) == 1.722604110220899568310153280070398629037e-34 + 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-112 - 0.5 i) == 1.722604110220899568310153280070398629037e-34 - 4.812118250596034474977589134243684231352e-1 i":
+float: 1
+ifloat: 1
+Test "Real part of: casin (0x1p-23 + 0.5 i) == 1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 + 0.5 i) == 1.066240299940009780479664302917201696886e-7 + 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 + 0x0.ffffffp0 i) == 8.429369953393598499000760938112968755257e-8 + 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-23 + 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 + 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Real part of: casin (0x1p-23 - 0.5 i) == 1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 - 0.5 i) == 1.066240299940009780479664302917201696886e-7 - 4.812118250596059896127318386463676808798e-1 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casin (0x1p-23 - 0x0.ffffffp0 i) == 8.429369953393598499000760938112968755257e-8 - 8.813735448726963984495965873956465777250e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-23 - 0x1.000002p0 i) == 8.429369199749229560964789467980644296420e-8 - 8.813736713132400470205730751186547909968e-1 i":
 double: 1
 float: 1
 idouble: 1
 ifloat: 1
+Test "Imaginary part of: casin (0x1p-52 + 0.5 i) == 1.986027322597818397661816253158024383707e-16 + 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-52 - 0.5 i) == 1.986027322597818397661816253158024383707e-16 - 4.812118250596034474977589134243772428682e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 + 0.5 i) == 9.697399036122160144833087173623140436413e-20 + 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 + 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-63 + 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 + 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 - 0.5 i) == 9.697399036122160144833087173623140436413e-20 - 4.812118250596034474977589134243684231373e-1 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casin (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casin (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 7.666467083416870407402049869781566856442e-20 - 8.813735870195430251942769895627079569937e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casin (0x1p-63 - 0x1.0000000000000002p0 i) == 7.666467083416870406778649849746878368519e-20 - 8.813735870195430253092739958139610131001e-1 i":
 ildouble: 1
 ldouble: 1
@@ -1359,10 +2140,6 @@ Test "Imaginary part of: casin (1.0 - 0x1.fp-30 i) == 1.570753848123921942730162
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (1.5 + +0 i) == pi/2 + 0.9624236501192068949955178268487368462704 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Imaginary part of: casin (1.5 + 0x1.fp-1025 i) == 1.570796326794896619231321691639751442099 + 9.624236501192068949955178268487368462704e-1 i":
@@ -1395,17 +2172,9 @@ Test "Real part of: casinh (+0 - 1.5 i) == 0.96242365011920689499551782684873684
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0 + 1.5 i) == -0.9624236501192068949955178268487368462704 + pi/2 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0 - 1.5 i) == -0.9624236501192068949955178268487368462704 - pi/2 i":
-double: 1
-float: 1
-idouble: 1
-ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0.0 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
@@ -1421,9 +2190,32 @@ Test "Imaginary part of: casinh (-0.25 - 1.0 i) == -5.09791146681101635462355994
 double: 1
 idouble: 1
 Test "Real part of: casinh (-0.5 + +0 i) == -0.4812118250596034474977589134243684231352 + +0 i":
-double: 2
 float: 1
-idouble: 2
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1.fp-129 i) == -4.812118250596034474977589134243684231352e-1 + 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-105 i) == -4.812118250596034474977589134243684231352e-1 + 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-112 i) == -4.812118250596034474977589134243684231352e-1 + 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casinh (-0.5 + 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 + 0x1p-52 i) == -4.812118250596034474977589134243772428682e-1 + 1.986027322597818397661816253158024383707e-16 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.5 + 0x1p-63 i) == -4.812118250596034474977589134243684231373e-1 + 9.697399036122160144833087173623140436413e-20 i":
+float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
@@ -1438,9 +2230,32 @@ ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0.5 - 0 i) == -0.4812118250596034474977589134243684231352 - 0 i":
-double: 2
 float: 1
-idouble: 2
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1.fp-129 i) == -4.812118250596034474977589134243684231352e-1 - 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-105 i) == -4.812118250596034474977589134243684231352e-1 - 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-112 i) == -4.812118250596034474977589134243684231352e-1 - 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casinh (-0.5 - 0x1p-23 i) == -4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (-0.5 - 0x1p-52 i) == -4.812118250596034474977589134243772428682e-1 - 1.986027322597818397661816253158024383707e-16 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0.5 - 0x1p-63 i) == -4.812118250596034474977589134243684231373e-1 - 9.697399036122160144833087173623140436413e-20 i":
+float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
@@ -1454,6 +2269,40 @@ float: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0.0 i) == -8.813735870195430251942769895627079569917e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == -8.813735870195430251942769895627079569917e-1 + 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x0.ffffffffffffffffp0 + 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0.0 i) == -8.813735870195430251942769895627079569917e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == -8.813735870195430251942769895627079569917e-1 - 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (-0x0.ffffffffffffffffp0 - 0x1p-63 i) == -8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffp0 + 0x1p-23 i) == -8.813735448726963984495965873956465777250e-1 + 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x0.ffffffp0 - 0x1p-23 i) == -8.813735448726963984495965873956465777250e-1 - 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (-0x1.0000000000000002p0 + 0x1p-63 i) == -8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
 ildouble: 1
 ldouble: 1
@@ -1494,27 +2343,55 @@ ifloat: 1
 Test "Real part of: casinh (-0x1.fp-10 - 1.0 i) == -4.350501469856803800217957402220976497152e-2 - 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (-0x1.fp-1025 + 0.5 i) == -6.222508863508420569166420770843207333493e-309 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-1025 - 0.5 i) == -6.222508863508420569166420770843207333493e-309 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 0x1.0000000000001p0 i) == -2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-0x1.fp-1025 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-129 + 0.5 i) == -3.287317402534702257036015056278368274737e-39 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-129 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-129 - 0.5 i) == -3.287317402534702257036015056278368274737e-39 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-129 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 + 0.5 i) == -9.402257155670418112159334875199821342890e-4933 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == -2.472906068161537187835415298076415423459e-4923 + 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-16385 + 1.5 i) == -9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 - 0.5 i) == -9.402257155670418112159334875199821342890e-4933 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == -2.472906068161537187835415298076415423459e-4923 - 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1.fp-16385 - 1.5 i) == -9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1524,31 +2401,89 @@ ldouble: 1
 Test "Real part of: casinh (-0x1.fp-30 - 1.0 i) == -4.247867098745151888768727039216644758847e-5 - 1.570753848123921942730162693731872690232 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-105 + 0.5 i) == -2.846556599890768890940941645338546615370e-32 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (-0x1p-105 - 0.5 i) == -2.846556599890768890940941645338546615370e-32 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (-0x1p-112 + 0.5 i) == -2.223872343664663196047610660420739543258e-34 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (-0x1p-112 - 0.5 i) == -2.223872343664663196047610660420739543258e-34 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0.0 i) == -1.192092895507809676556842485683592032154e-7 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0.5 i) == -1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (-0x1p-23 + 0.5 i) == -1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 + 0x0.ffffffp0 i) == -2.714321200917194650737217746780928423385e-4 + 1.570357140408705570520377172865353621698 i":
+float: 2
+ifloat: 2
 Test "Real part of: casinh (-0x1p-23 + 0x1.000002p0 i) == -5.364668491573609633134147164031476452679e-4 + 1.570574114956455764594481054234834678422 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (-0x1p-23 + 0x1.fp-129 i) == -1.192092895507809676556842485683592032154e-7 + 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0.0 i) == -1.192092895507809676556842485683592032154e-7 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0.5 i) == -1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (-0x1p-23 - 0.5 i) == -1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-23 - 0x0.ffffffp0 i) == -2.714321200917194650737217746780928423385e-4 - 1.570357140408705570520377172865353621698 i":
+float: 2
+ifloat: 2
 Test "Real part of: casinh (-0x1p-23 - 0x1.000002p0 i) == -5.364668491573609633134147164031476452679e-4 - 1.570574114956455764594481054234834678422 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (-0x1p-23 - 0x1.fp-129 i) == -1.192092895507809676556842485683592032154e-7 - 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 + 0.5 i) == -2.563950248511418570403591756798643804971e-16 + 5.235987755982988730771072305465648369889e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 + 0x0.fffffffffffff8p0 i) == -1.171456840272878582596796205397918831268e-8 + 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (-0x1p-52 + 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0.5 i) == -2.563950248511418570403591756798643804971e-16 - 5.235987755982988730771072305465648369889e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (-0x1p-52 - 0x0.fffffffffffff8p0 i) == -1.171456840272878582596796205397918831268e-8 - 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (-0x1p-52 - 0x1.0000000000001p0 i) == -2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (-0x1p-63 + 0x0.ffffffffffffffffp0 i) == -2.588578361325995866221775673638805081337e-10 + 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1p-63 + 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
+Test "Real part of: casinh (-0x1p-63 - 0x0.ffffffffffffffffp0 i) == -2.588578361325995866221775673638805081337e-10 - 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (-0x1p-63 - 0x1.0000000000000002p0 i) == -5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
 Test "Real part of: casinh (-1.0 + +0 i) == -0.8813735870195430252326093249797923090282 + +0 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Real part of: casinh (-1.0 + 0.25 i) == -8.924633639033482359562124741744951972772e-1 + 1.763024327769669304186785666360901026468e-1 i":
 float: 1
 ifloat: 1
@@ -1597,12 +2532,10 @@ Test "Imaginary part of: casinh (-1.0 + 0x1.fp-30 i) == -8.813735870195430258081
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-1.0 - 0 i) == -0.8813735870195430252326093249797923090282 - 0 i":
-double: 2
+double: 1
 float: 1
-idouble: 2
+idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
 Test "Real part of: casinh (-1.0 - 0.25 i) == -8.924633639033482359562124741744951972772e-1 - 1.763024327769669304186785666360901026468e-1 i":
 float: 1
 ifloat: 1
@@ -1651,10 +2584,8 @@ Test "Imaginary part of: casinh (-1.0 - 0x1.fp-30 i) == -8.813735870195430258081
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (-1.5 + +0 i) == -1.194763217287109304111930828519090523536 + +0 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Real part of: casinh (-1.5 + 0x1.fp-1025 i) == -1.194763217287109304111930828519090523536 + 2.989196569048182929051881765490354365918e-309 i":
 double: 1
 idouble: 1
@@ -1662,10 +2593,8 @@ Test "Real part of: casinh (-1.5 + 0x1.fp-129 i) == -1.1947632172871093041119308
 double: 1
 idouble: 1
 Test "Real part of: casinh (-1.5 - 0 i) == -1.194763217287109304111930828519090523536 - 0 i":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+idouble: 1
 Test "Real part of: casinh (-1.5 - 0x1.fp-1025 i) == -1.194763217287109304111930828519090523536 - 2.989196569048182929051881765490354365918e-309 i":
 double: 1
 idouble: 1
@@ -1673,19 +2602,8 @@ Test "Real part of: casinh (-1.5 - 0x1.fp-129 i) == -1.1947632172871093041119308
 double: 1
 idouble: 1
 Test "Real part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i":
-double: 5
-float: 1
-idouble: 5
-ifloat: 1
-ildouble: 5
-ldouble: 5
-Test "Imaginary part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i":
-double: 3
-float: 6
-idouble: 3
-ifloat: 6
-ildouble: 5
-ldouble: 5
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0.0 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1701,6 +2619,31 @@ idouble: 1
 Test "Real part of: casinh (0.5 + +0 i) == 0.4812118250596034474977589134243684231352 + +0 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1.fp-129 i) == 4.812118250596034474977589134243684231352e-1 + 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-105 i) == 4.812118250596034474977589134243684231352e-1 + 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-112 i) == 4.812118250596034474977589134243684231352e-1 + 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casinh (0.5 + 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 + 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 + 0x1p-52 i) == 4.812118250596034474977589134243772428682e-1 + 1.986027322597818397661816253158024383707e-16 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0.5 + 0x1p-63 i) == 4.812118250596034474977589134243684231373e-1 + 9.697399036122160144833087173623140436413e-20 i":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0.5 + 1.0 i) == 7.328576759736452608886724437653071523305e-1 + 8.959074812088902390666567243275770102229e-1 i":
@@ -1716,6 +2659,31 @@ ldouble: 1
 Test "Real part of: casinh (0.5 - 0 i) == 0.4812118250596034474977589134243684231352 - 0 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1.fp-129 i) == 4.812118250596034474977589134243684231352e-1 - 2.546345110742945032959687790021055102355e-39 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-105 i) == 4.812118250596034474977589134243684231352e-1 - 2.204933261082751447436996198490110245167e-32 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-112 i) == 4.812118250596034474977589134243684231352e-1 - 1.722604110220899568310153280070398629037e-34 i":
+float: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+float: 1
+ifloat: 1
+Test "Imaginary part of: casinh (0.5 - 0x1p-23 i) == 4.812118250596059896127318386463676808798e-1 - 1.066240299940009780479664302917201696886e-7 i":
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+Test "Real part of: casinh (0.5 - 0x1p-52 i) == 4.812118250596034474977589134243772428682e-1 - 1.986027322597818397661816253158024383707e-16 i":
+float: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0.5 - 0x1p-63 i) == 4.812118250596034474977589134243684231373e-1 - 9.697399036122160144833087173623140436413e-20 i":
+float: 1
+ifloat: 1
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0.5 - 1.0 i) == 7.328576759736452608886724437653071523305e-1 - 8.959074812088902390666567243275770102229e-1 i":
@@ -1738,6 +2706,40 @@ idouble: 1
 ifloat: 1
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0.0 i) == 8.813735870195430251942769895627079569917e-1 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0x1.fp-16385 i) == 8.813735870195430251942769895627079569917e-1 + 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x0.ffffffffffffffffp0 + 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 + 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0.0 i) == 8.813735870195430251942769895627079569917e-1 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0x1.fp-16385 i) == 8.813735870195430251942769895627079569917e-1 - 5.757683115456107044287327268904964422212e-4933 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Imaginary part of: casinh (0x0.ffffffffffffffffp0 - 0x1p-63 i) == 8.813735870195430251942769895627079569937e-1 - 7.666467083416870407402049869781566856442e-20 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffp0 + 0x1p-23 i) == 8.813735448726963984495965873956465777250e-1 + 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x0.ffffffp0 - 0x1p-23 i) == 8.813735448726963984495965873956465777250e-1 - 8.429369953393598499000760938112968755257e-8 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Imaginary part of: casinh (0x1.0000000000000002p0 + 0x1p-63 i) == 8.813735870195430253092739958139610131001e-1 + 7.666467083416870406778649849746878368519e-20 i":
 ildouble: 1
 ldouble: 1
@@ -1778,27 +2780,55 @@ ifloat: 1
 Test "Real part of: casinh (0x1.fp-10 - 1.0 i) == 4.350501469856803800217957402220976497152e-2 - 1.527305029163877791518741192097931722508 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0x1.fp-1025 + 0.5 i) == 6.222508863508420569166420770843207333493e-309 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-1025 - 0.5 i) == 6.222508863508420569166420770843207333493e-309 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 0x1.0000000000001p0 i) == 2.107342425544701550354780375182800088393e-8 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
 Test "Real part of: casinh (0x1.fp-1025 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-129 + 0.5 i) == 3.287317402534702257036015056278368274737e-39 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-129 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-129 - 0.5 i) == 3.287317402534702257036015056278368274737e-39 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-129 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442096 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 + 0.5 i) == 9.402257155670418112159334875199821342890e-4933 + 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 + 0x0.ffffffffffffffffp0 i) == 2.472906068161537187835415298076415423459e-4923 + 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-16385 + 1.5 i) == 9.624236501192068949955178268487368462704e-1 + 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 - 0.5 i) == 9.402257155670418112159334875199821342890e-4933 - 5.235987755982988730771072305465838140329e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1.fp-16385 - 0x0.ffffffffffffffffp0 i) == 2.472906068161537187835415298076415423459e-4923 - 1.570796326465624365239962068302568888898 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1.fp-16385 - 1.5 i) == 9.624236501192068949955178268487368462704e-1 - 1.570796326794896619231321691639751442099 i":
 ildouble: 1
 ldouble: 1
@@ -1814,21 +2844,81 @@ idouble: 1
 Test "Real part of: casinh (0x1.fp127 + 0x1.fp127 i) == 8.973081118419833726837456344608533993585e1 + 7.853981633974483096156608458198757210493e-1 i":
 double: 1
 idouble: 1
+Test "Real part of: casinh (0x1p-105 + 0.5 i) == 2.846556599890768890940941645338546615370e-32 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (0x1p-105 - 0.5 i) == 2.846556599890768890940941645338546615370e-32 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (0x1p-112 + 0.5 i) == 2.223872343664663196047610660420739543258e-34 + 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (0x1p-112 - 0.5 i) == 2.223872343664663196047610660420739543258e-34 - 5.235987755982988730771072305465838140329e-1 i":
+double: 1
+idouble: 1
+Test "Real part of: casinh (0x1p-23 + 0.0 i) == 1.192092895507809676556842485683592032154e-7 + 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 + 0.5 i) == 1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0x1p-23 + 0.5 i) == 1.376510308240943236356088341381173571841e-7 + 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 + 0x0.ffffffp0 i) == 2.714321200917194650737217746780928423385e-4 + 1.570357140408705570520377172865353621698 i":
+float: 2
+ifloat: 2
 Test "Real part of: casinh (0x1p-23 + 0x1.000002p0 i) == 5.364668491573609633134147164031476452679e-4 + 1.570574114956455764594481054234834678422 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0x1p-23 + 0x1.fp-129 i) == 1.192092895507809676556842485683592032154e-7 + 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0.0 i) == 1.192092895507809676556842485683592032154e-7 - 0.0 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0.5 i) == 1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+double: 1
+idouble: 1
+Test "Imaginary part of: casinh (0x1p-23 - 0.5 i) == 1.376510308240943236356088341381173571841e-7 - 5.235987755982934033165770729745469098254e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-23 - 0x0.ffffffp0 i) == 2.714321200917194650737217746780928423385e-4 - 1.570357140408705570520377172865353621698 i":
+float: 2
+ifloat: 2
 Test "Real part of: casinh (0x1p-23 - 0x1.000002p0 i) == 5.364668491573609633134147164031476452679e-4 - 1.570574114956455764594481054234834678422 i":
 float: 1
 ifloat: 1
+Test "Real part of: casinh (0x1p-23 - 0x1.fp-129 i) == 1.192092895507809676556842485683592032154e-7 - 2.846900380897707329917933005874691056564e-39 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 + 0.5 i) == 2.563950248511418570403591756798643804971e-16 + 5.235987755982988730771072305465648369889e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 + 0x0.fffffffffffff8p0 i) == 1.171456840272878582596796205397918831268e-8 + 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (0x1p-52 + 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 + 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0.5 i) == 2.563950248511418570403591756798643804971e-16 - 5.235987755982988730771072305465648369889e-1 i":
+ildouble: 1
+ldouble: 1
+Test "Real part of: casinh (0x1p-52 - 0x0.fffffffffffff8p0 i) == 1.171456840272878582596796205397918831268e-8 - 1.570796307840326780080580569360500172043 i":
+double: 1
+idouble: 1
 Test "Real part of: casinh (0x1p-52 - 0x1.0000000000001p0 i) == 2.315303644582684770975188768022139415020e-8 - 1.570796317204594913251280305810847349436 i":
 ildouble: 1
 ldouble: 1
+Test "Real part of: casinh (0x1p-63 + 0x0.ffffffffffffffffp0 i) == 2.588578361325995866221775673638805081337e-10 + 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1p-63 + 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 + 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
+Test "Real part of: casinh (0x1p-63 - 0x0.ffffffffffffffffp0 i) == 2.588578361325995866221775673638805081337e-10 - 1.570796326376055842114524927965556247908 i":
+ildouble: 1
+ldouble: 1
 Test "Real part of: casinh (0x1p-63 - 0x1.0000000000000002p0 i) == 5.116146586219826555037807251857670783420e-10 - 1.570796326582978888921215348380499122131 i":
 ildouble: 2
 ldouble: 2
@@ -4479,10 +5569,10 @@ ildouble: 1
 ldouble: 1
 
 Function: Imaginary part of "cacos":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
 ildouble: 2
 ldouble: 2
 
@@ -4507,32 +5597,32 @@ double: 1
 float: 1
 idouble: 1
 ifloat: 1
-ildouble: 2
-ldouble: 2
+ildouble: 1
+ldouble: 1
 
 Function: Imaginary part of "casin":
-double: 2
-float: 1
-idouble: 2
-ifloat: 1
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
 ildouble: 2
 ldouble: 2
 
 Function: Real part of "casinh":
-double: 5
-float: 1
-idouble: 5
-ifloat: 1
-ildouble: 5
-ldouble: 5
+double: 1
+float: 2
+idouble: 1
+ifloat: 2
+ildouble: 2
+ldouble: 2
 
 Function: Imaginary part of "casinh":
-double: 3
-float: 6
-idouble: 3
-ifloat: 6
-ildouble: 5
-ldouble: 5
+double: 1
+float: 1
+idouble: 1
+ifloat: 1
+ildouble: 1
+ldouble: 1
 
 Function: Real part of "catan":
 float: 4