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Diffstat (limited to 'sysdeps/libm-ieee754/s_ccosf.c')
-rw-r--r--sysdeps/libm-ieee754/s_ccosf.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/sysdeps/libm-ieee754/s_ccosf.c b/sysdeps/libm-ieee754/s_ccosf.c
index 9d1a97239c..b090ae5747 100644
--- a/sysdeps/libm-ieee754/s_ccosf.c
+++ b/sysdeps/libm-ieee754/s_ccosf.c
@@ -19,6 +19,7 @@
Boston, MA 02111-1307, USA. */
#include <complex.h>
+#include <fenv.h>
#include <math.h>
@@ -33,16 +34,31 @@ __ccosf (__complex__ float x)
{
__real__ res = __nanf ("");
__imag__ res = 0.0;
+
+#ifdef FE_INVALID
+ if (__isinff (__real__ x))
+ feraiseexcept (FE_INVALID);
+#endif
}
else if (__isinff (__imag__ x))
{
__real__ res = HUGE_VALF;
__imag__ res = __nanf ("");
+
+#ifdef FE_INVALID
+ if (__isinff (__real__ x))
+ feraiseexcept (FE_INVALID);
+#endif
}
else
{
__real__ res = __nanf ("");
__imag__ res = __nanf ("");
+
+#ifdef FE_INVALID
+ if (isfinite (__imag__ x))
+ feraiseexcept (FE_INVALID);
+#endif
}
}
else