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| author | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 01:04:54 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 01:04:54 +0000 |
| commit | 0c59a1963e948c546e0d3e34de974c7e71de1134 (patch) | |
| tree | d2d20501ed445fc7e36e3cb4b0491a744c982976 /sysdeps/ieee754/flt-32/s_cosf.c | |
| parent | 4bbf8999f4d93c5da77737ccf06a1aa67225d3f4 (diff) | |
| download | glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.tar.gz glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.tar.xz glibc-0c59a1963e948c546e0d3e34de974c7e71de1134.zip | |
* sysdeps/i386/fpu/s_cos.S: Set errno for ±Inf.
* sysdeps/i386/fpu/s_cosf.S: Likewise. * sysdeps/i386/fpu/s_cosl.S: Likewise. * sysdeps/i386/fpu/s_sin.S: Likewise. * sysdeps/i386/fpu/s_sinf.S: Likewise. * sysdeps/i386/fpu/s_sinl.S: Likewise. * sysdeps/ieee754/dbl-64/s_sin.c: Likewise. * sysdeps/ieee754/flt-32/s_cosf.c: Likewise. * sysdeps/ieee754/flt-32/s_sinf.c: Likewise. * sysdeps/ieee754/ldbl-96/s_cosl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_sinl.c: Likewise. * sysdeps/x86_64/fpu/s_cosl.S: Likewise. * sysdeps/x86_64/fpu/s_sinl.S: Likewise. * math/libm-test.inc: Add tests for errno after sin/cos calls with ±Inf.
Diffstat (limited to 'sysdeps/ieee754/flt-32/s_cosf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_cosf.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sysdeps/ieee754/flt-32/s_cosf.c b/sysdeps/ieee754/flt-32/s_cosf.c index 86c59d440c..4f9f239f6f 100644 --- a/sysdeps/ieee754/flt-32/s_cosf.c +++ b/sysdeps/ieee754/flt-32/s_cosf.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. * ==================================================== */ @@ -17,6 +17,7 @@ static char rcsid[] = "$NetBSD: s_cosf.c,v 1.4 1995/05/10 20:47:03 jtc Exp $"; #endif +#include <errno.h> #include "math.h" #include "math_private.h" @@ -43,7 +44,11 @@ static float one=1.0; if(ix <= 0x3f490fd8) return __kernel_cosf(x,z); /* cos(Inf or NaN) is NaN */ - else if (ix>=0x7f800000) return x-x; + else if (ix>=0x7f800000) { + if (ix == 0x7f800000) + __set_errno (EDOM); + return x-x; + } /* argument reduction needed */ else { |