diff options
author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
---|---|---|
committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:08:59 +0000 |
commit | e84eabb3871c9b39e59323bf3f6b98c2ca9d1cd0 (patch) | |
tree | dff3f1b79454b518d15a7b9bbedeb57ff156bbe8 /ports/sysdeps/m68k/m680x0/fpu/s_expm1.c | |
parent | 75f0d3040a2c2de8842bfa7a09e11da1a73e17d0 (diff) | |
parent | e64ac02c24b43659048622714afdc92fedf561fa (diff) |
Merge glibc-ports into ports/ directory.glibc-2.16-ports-merge
Diffstat (limited to 'ports/sysdeps/m68k/m680x0/fpu/s_expm1.c')
-rw-r--r-- | ports/sysdeps/m68k/m680x0/fpu/s_expm1.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c b/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c new file mode 100644 index 0000000000..6dac1cc1a7 --- /dev/null +++ b/ports/sysdeps/m68k/m680x0/fpu/s_expm1.c @@ -0,0 +1,43 @@ +/* Copyright (C) 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <errno.h> +#include "mathimpl.h" + +#ifndef FUNC +# define FUNC expm1 +#endif +#ifndef float_type +# define float_type double +#endif +#ifndef o_threshold +# define o_threshold 7.09782712893383973096e+02 +#endif + +#define CONCATX(a,b) __CONCAT(a,b) + +float_type +CONCATX(__,FUNC) (float_type x) +{ + if ((__m81_test (x) & __M81_COND_INF) == 0 && isgreater (x, o_threshold)) + __set_errno (ERANGE); + return __m81_u(CONCATX(__, FUNC)) (x); +} + +#define weak_aliasx(a, b) weak_alias(a, b) +weak_aliasx (CONCATX(__, FUNC), FUNC) |