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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_fmodf.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_fmodf.c')
-rw-r--r--math/w_fmodf.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/math/w_fmodf.c b/math/w_fmodf.c
index 2bd133f2d7..e2e869a3cc 100644
--- a/math/w_fmodf.c
+++ b/math/w_fmodf.c
@@ -8,7 +8,7 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
@@ -17,7 +17,7 @@
 static char rcsid[] = "$NetBSD: w_fmodf.c,v 1.3 1995/05/10 20:48:57 jtc Exp $";
 #endif
 
-/* 
+/*
  * wrapper fmodf(x,y)
  */
 
@@ -38,8 +38,8 @@ static char rcsid[] = "$NetBSD: w_fmodf.c,v 1.3 1995/05/10 20:48:57 jtc Exp $";
 	float z;
 	z = __ieee754_fmodf(x,y);
 	if(_LIB_VERSION == _IEEE_ ||__isnanf(y)||__isnanf(x)) return z;
-	if(y==(float)0.0) {
-		/* fmodf(x,0) */
+	if(__isinff(x)||y==(float)0.0) {
+		/* fmodf(+-Inf,y) or fmodf(x,0) */
 	        return (float)__kernel_standard((double)x,(double)y,127);
 	} else
 	    return z;