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authorUlrich Drepper <drepper@redhat.com>2009-04-26 03:43:02 +0000
committerUlrich Drepper <drepper@redhat.com>2009-04-26 03:43:02 +0000
commit7095366d1efc6e58639f7c76d0b515212d61247d (patch)
tree57288207af8eee5b1a67fa7eeb3dbdc8cf9fcec5 /math/w_fmodl.c
parent0c59a1963e948c546e0d3e34de974c7e71de1134 (diff)
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* math/w_fmod.c: Also handle x=±Inf as error.
	* math/w_fmodf.c: Likewise.
	* math/w_fmodl.c: Likewise.
	* math/libm-test.inc (fmod_test): Add tests for errno after calls for
	x=±Inf or y=0.
Diffstat (limited to 'math/w_fmodl.c')
-rw-r--r--math/w_fmodl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/math/w_fmodl.c b/math/w_fmodl.c
index 7b9a297cfd..c39b2852f6 100644
--- a/math/w_fmodl.c
+++ b/math/w_fmodl.c
@@ -39,8 +39,9 @@ static char rcsid[] = "$NetBSD: $";
 	long double z;
 	z = __ieee754_fmodl(x,y);
 	if(_LIB_VERSION == _IEEE_ ||__isnanl(y)||__isnanl(x)) return z;
-	if(y==0.0) {
-	        return __kernel_standard(x,y,227); /* fmod(x,0) */
+	if(__isinfl(x)||y==0.0) {
+		/* fmodl(+-Inf,y) or fmodl(x,0) */
+	        return __kernel_standard(x,y,227);
 	} else
 	    return z;
 #endif