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Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_sinl.c')
-rw-r--r--sysdeps/ieee754/ldbl-128/s_sinl.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_sinl.c b/sysdeps/ieee754/ldbl-128/s_sinl.c
index 446a75f126..dc509e72e5 100644
--- a/sysdeps/ieee754/ldbl-128/s_sinl.c
+++ b/sysdeps/ieee754/ldbl-128/s_sinl.c
@@ -44,6 +44,7 @@
* TRIG(x) returns trig(x) nearly rounded
*/
+#include <errno.h>
#include "math.h"
#include "math_private.h"
@@ -66,7 +67,14 @@
return __kernel_sinl(x,z,0);
/* sin(Inf or NaN) is NaN */
- else if (ix>=0x7fff000000000000LL) return x-x;
+ else if (ix>=0x7fff000000000000LL) {
+ if (ix == 0x7fff000000000000LL) {
+ GET_LDOUBLE_LSW64(n,x);
+ if (n == 0)
+ __set_errno (EDOM);
+ }
+ return x-x;
+ }
/* argument reduction needed */
else {