| /* Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Richard Henderson. |
| |
| 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 <math_ldbl_opt.h> |
| |
| double |
| __copysign (double x, double y) |
| { |
| return __builtin_copysign (x, y); |
| } |
| |
| weak_alias (__copysign, copysign) |
| #ifdef NO_LONG_DOUBLE |
| strong_alias (__copysign, __copysignl) |
| weak_alias (__copysign, copysignl) |
| #endif |
| #ifdef IS_IN_libm |
| # if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0) |
| compat_symbol (libm, __copysign, copysignl, GLIBC_2_0); |
| # endif |
| #elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0) |
| compat_symbol (libc, __copysign, copysignl, GLIBC_2_0); |
| #endif |
