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| author | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 03:43:02 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 03:43:02 +0000 |
| commit | 7095366d1efc6e58639f7c76d0b515212d61247d (patch) | |
| tree | 57288207af8eee5b1a67fa7eeb3dbdc8cf9fcec5 /math/w_fmod.c | |
| parent | 0c59a1963e948c546e0d3e34de974c7e71de1134 (diff) | |
| download | glibc-7095366d1efc6e58639f7c76d0b515212d61247d.tar.gz | |
* 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_fmod.c')
| -rw-r--r-- | math/w_fmod.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/math/w_fmod.c b/math/w_fmod.c index 43a1d8ef5c..ca01cf2ac5 100644 --- a/math/w_fmod.c +++ b/math/w_fmod.c @@ -35,8 +35,9 @@ static char rcsid[] = "$NetBSD: w_fmod.c,v 1.6 1995/05/10 20:48:55 jtc Exp $"; double z; z = __ieee754_fmod(x,y); if(_LIB_VERSION == _IEEE_ ||__isnan(y)||__isnan(x)) return z; - if(y==0.0) { - return __kernel_standard(x,y,27); /* fmod(x,0) */ + if(__isinf(x)||y==0.0) { + /* fmod(+-Inf,y) or fmod(x,0) */ + return __kernel_standard(x,y,27); } else return z; #endif |