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Diffstat (limited to 'sysdeps/libm-ieee754/s_csinhf.c')
-rw-r--r--sysdeps/libm-ieee754/s_csinhf.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/s_csinhf.c b/sysdeps/libm-ieee754/s_csinhf.c
index c644d3a5e8..9c479bba95 100644
--- a/sysdeps/libm-ieee754/s_csinhf.c
+++ b/sysdeps/libm-ieee754/s_csinhf.c
@@ -19,6 +19,7 @@
Boston, MA 02111-1307, USA. */
#include <complex.h>
+#include <fenv.h>
#include <math.h>
#include "math_private.h"
@@ -41,12 +42,13 @@ __csinhf (__complex__ float x)
{
/* 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 = sinh_val * cosix;
- __imag__ retval = sinh_val * sinix;
+ __imag__ retval = cosh_val * sinix;
if (negate)
__real__ retval = -__real__ retval;
@@ -58,11 +60,20 @@ __csinhf (__complex__ float x)
/* Real part is 0.0. */
__real__ retval = __copysignf (0.0, negate ? -1.0 : 1.0);
__imag__ retval = __nanf ("") + __nanf ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
else
{
__real__ retval = __nanf ("");
__imag__ retval = __nanf ("");
+
+#ifdef FE_INVALID
+ feraiseexcept (FE_INVALID);
+#endif
}
}
}
@@ -93,6 +104,11 @@ __csinhf (__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