| /* Copyright (C) 2011-2016 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 j0 */ |
| double |
| j0 (double x) |
| { |
| if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0) |
| && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_) |
| /* j0(|x|>X_TLOSS) */ |
| return __kernel_standard (x, x, 34); |
| |
| return __ieee754_j0 (x); |
| } |
| #ifdef NO_LONG_DOUBLE |
| weak_alias (j0, j0l) |
| #endif |
| |
| |
| /* wrapper y0 */ |
| double |
| y0 (double x) |
| { |
| if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0) |
| && _LIB_VERSION != _IEEE_) |
| { |
| if (x < 0.0) |
| { |
| /* d = zero/(x-x) */ |
| __feraiseexcept (FE_INVALID); |
| return __kernel_standard (x, x, 9); |
| } |
| else if (x == 0.0) |
| { |
| /* d = -one/(x-x) */ |
| __feraiseexcept (FE_DIVBYZERO); |
| return __kernel_standard (x, x, 8); |
| } |
| else if (_LIB_VERSION != _POSIX_) |
| /* y0(x>X_TLOSS) */ |
| return __kernel_standard (x, x, 35); |
| } |
| |
| return __ieee754_y0 (x); |
| } |
| #ifdef NO_LONG_DOUBLE |
| weak_alias (y0, y0l) |
| #endif |