diff options
Diffstat (limited to 'math/w_j0l_compat.c')
-rw-r--r-- | math/w_j0l_compat.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/math/w_j0l_compat.c b/math/w_j0l_compat.c new file mode 100644 index 0000000000..e03fa1d223 --- /dev/null +++ b/math/w_j0l_compat.c @@ -0,0 +1,64 @@ +/* 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 j0l */ +long double +__j0l (long double x) +{ + if (__builtin_expect (isgreater (fabsl (x), X_TLOSS), 0) + && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_) + /* j0(|x|>X_TLOSS) */ + return __kernel_standard_l (x, x, 234); + + return __ieee754_j0l (x); +} +weak_alias (__j0l, j0l) + + +/* wrapper y0l */ +long double +__y0l (long double x) +{ + if (__builtin_expect (islessequal (x, 0.0L) || isgreater (x, X_TLOSS), 0) + && _LIB_VERSION != _IEEE_) + { + if (x < 0.0L) + { + /* d = zero/(x-x) */ + feraiseexcept (FE_INVALID); + return __kernel_standard_l (x, x, 209); + } + else if (x == 0.0L) + { + /* d = -one/(x-x) */ + feraiseexcept (FE_DIVBYZERO); + return __kernel_standard_l (x, x, 208); + } + else if (_LIB_VERSION != _POSIX_) + /* y0(x>X_TLOSS) */ + return __kernel_standard_l (x, x, 235); + } + + return __ieee754_y0l (x); +} +weak_alias (__y0l, y0l) |