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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/dbl-64/s_sin.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/dbl-64/s_sin.c')
| -rw-r--r-- | sysdeps/ieee754/dbl-64/s_sin.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sysdeps/ieee754/dbl-64/s_sin.c b/sysdeps/ieee754/dbl-64/s_sin.c index 86e1a6d121..b40776f5e2 100644 --- a/sysdeps/ieee754/dbl-64/s_sin.c +++ b/sysdeps/ieee754/dbl-64/s_sin.c @@ -1,7 +1,7 @@ /* * IBM Accurate Mathematical Library * written by International Business Machines Corp. - * Copyright (C) 2001 Free Software Foundation + * Copyright (C) 2001, 2009 Free Software Foundation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by @@ -48,6 +48,7 @@ /****************************************************************************/ +#include <errno.h> #include "endian.h" #include "mydefs.h" #include "usncs.h" @@ -329,7 +330,11 @@ double __sin(double x){ } /* else if (k < 0x7ff00000 ) */ /*--------------------- |x| > 2^1024 ----------------------------------*/ - else return x / x; + else { + if (k == 0x7ff00000 && u.i[LOW_HALF] == 0) + __set_errno (EDOM); + return x / x; + } return 0; /* unreachable */ } @@ -572,7 +577,11 @@ double __cos(double x) - else return x / x; /* |x| > 2^1024 */ + else { + if (k == 0x7ff00000 && u.i[LOW_HALF] == 0) + __set_errno (EDOM); + return x / x; /* |x| > 2^1024 */ + } return 0; } |