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Diffstat (limited to 'sysdeps/libm-ieee754/s_ccoshf.c')
-rw-r--r--sysdeps/libm-ieee754/s_ccoshf.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/sysdeps/libm-ieee754/s_ccoshf.c b/sysdeps/libm-ieee754/s_ccoshf.c
index aeeacbaed0..573a63367b 100644
--- a/sysdeps/libm-ieee754/s_ccoshf.c
+++ b/sysdeps/libm-ieee754/s_ccoshf.c
@@ -19,6 +19,7 @@
Boston, MA 02111-1307, USA. */
#include <complex.h>
+#include <fenv.h>
#include <math.h>
#include "math_private.h"
@@ -39,18 +40,24 @@ __ccoshf (__complex__ float x)
if (icls >= FP_ZERO)
{
/* Imaginary part is finite. */
+ float sinh_val = __ieee754_sinhf (__real__ x);
float cosh_val = __ieee754_coshf (__real__ x);
float sinix, cosix;
__sincosf (__imag__ x, &sinix, &cosix);
__real__ retval = cosh_val * cosix;
- __imag__ retval = cosh_val * sinix;
+ __imag__ retval = sinh_val * sinix;
}
else
{
__imag__ retval = __real__ x == 0.0 ? 0.0 : __nanf ("");
- __real__ retval = __nanf ("") + __nanf ("");
+ __real__ retval = __nanf ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else if (rcls == FP_INFINITE)
@@ -77,6 +84,11 @@ __ccoshf (__complex__ float x)
/* The addition raises the invalid exception. */
__real__ retval = HUGE_VALF;
__imag__ retval = __nanf ("") + __nanf ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else