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-rw-r--r--sysdeps/libm-ieee754/s_ccosh.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/libm-ieee754/s_ccosh.c b/sysdeps/libm-ieee754/s_ccosh.c
index fa958f491b..1e92f03771 100644
--- a/sysdeps/libm-ieee754/s_ccosh.c
+++ b/sysdeps/libm-ieee754/s_ccosh.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 @@ __ccosh (__complex__ double x)
if (icls >= FP_ZERO)
{
/* Imaginary part is finite. */
+ double sinh_val = __ieee754_sinh (__real__ x);
double cosh_val = __ieee754_cosh (__real__ x);
double sinix, cosix;
__sincos (__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 : __nan ("");
__real__ retval = __nan ("") + __nan ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else if (rcls == FP_INFINITE)
@@ -77,6 +84,11 @@ __ccosh (__complex__ double x)
/* The addition raises the invalid exception. */
__real__ retval = HUGE_VAL;
__imag__ retval = __nan ("") + __nan ("");
+
+#ifdef FE_INVALID
+ if (icls == FP_INFINITE)
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else