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Diffstat (limited to 'math/w_asin_compat.c')
| -rw-r--r-- | math/w_asin_compat.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/math/w_asin_compat.c b/math/w_asin_compat.c new file mode 100644 index 0000000000..b2ad6323ed --- /dev/null +++ b/math/w_asin_compat.c @@ -0,0 +1,42 @@ +/* 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 <fenv.h> +#include <math.h> +#include <math_private.h> + + +/* wrapper asin */ +double +__asin (double x) +{ + if (__builtin_expect (isgreater (fabs (x), 1.0), 0) + && _LIB_VERSION != _IEEE_) + { + /* asin(|x|>1) */ + __feraiseexcept (FE_INVALID); + return __kernel_standard (x, x, 2); + } + + return __ieee754_asin (x); +} +weak_alias (__asin, asin) +#ifdef NO_LONG_DOUBLE +strong_alias (__asin, __asinl) +weak_alias (__asin, asinl) +#endif |