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-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_sincosl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
index f52e73385d..8a49c54d6c 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
@@ -18,6 +18,7 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <errno.h>
 #include <math.h>
 
 #include <math_private.h>
@@ -41,6 +42,8 @@ __sincosl (long double x, long double *sinx, long double *cosx)
     {
       /* sin(Inf or NaN) is NaN */
       *sinx = *cosx = x - x;
+      if (__isinf_nsl (x))
+	__set_errno (EDOM);
     }
   else
     {