diff options
Diffstat (limited to 'REORG.TODO/math/w_sqrt_compat.c')
| -rw-r--r-- | REORG.TODO/math/w_sqrt_compat.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/REORG.TODO/math/w_sqrt_compat.c b/REORG.TODO/math/w_sqrt_compat.c new file mode 100644 index 0000000000..018da82e7a --- /dev/null +++ b/REORG.TODO/math/w_sqrt_compat.c @@ -0,0 +1,36 @@ +/* Copyright (C) 2011-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. + + 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_private.h> + + +/* wrapper sqrt */ +double +__sqrt (double x) +{ + if (__builtin_expect (isless (x, 0.0), 0) && _LIB_VERSION != _IEEE_) + return __kernel_standard (x, x, 26); /* sqrt(negative) */ + + return __ieee754_sqrt (x); +} +weak_alias (__sqrt, sqrt) +#ifdef NO_LONG_DOUBLE +strong_alias (__sqrt, __sqrtl) +weak_alias (__sqrt, sqrtl) +#endif |