| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2011-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@gmail.com>, 2011. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <fenv.h> |
| 20 | #include <math.h> |
| 21 | #include <math_private.h> |
| 22 | |
| 23 | |
| 24 | /* wrapper j1 */ |
| 25 | double |
| 26 | j1 (double x) |
| 27 | { |
| 28 | if (__builtin_expect (isgreater (fabs (x), X_TLOSS), 0) |
| 29 | && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_) |
| 30 | /* j1(|x|>X_TLOSS) */ |
| 31 | return __kernel_standard (x, x, 36); |
| 32 | |
| 33 | return __ieee754_j1 (x); |
| 34 | } |
| 35 | #ifdef NO_LONG_DOUBLE |
| 36 | weak_alias (j1, j1l) |
| 37 | #endif |
| 38 | |
| 39 | |
| 40 | /* wrapper y1 */ |
| 41 | double |
| 42 | y1 (double x) |
| 43 | { |
| 44 | if (__builtin_expect (islessequal (x, 0.0) || isgreater (x, X_TLOSS), 0) |
| 45 | && _LIB_VERSION != _IEEE_) |
| 46 | { |
| 47 | if (x < 0.0) |
| 48 | { |
| 49 | /* d = zero/(x-x) */ |
| 50 | __feraiseexcept (FE_INVALID); |
| 51 | return __kernel_standard (x, x, 11); |
| 52 | } |
| 53 | else if (x == 0.0) |
| 54 | { |
| 55 | /* d = -one/(x-x) */ |
| 56 | __feraiseexcept (FE_DIVBYZERO); |
| 57 | return __kernel_standard (x, x, 10); |
| 58 | } |
| 59 | else if (_LIB_VERSION != _POSIX_) |
| 60 | /* y1(x>X_TLOSS) */ |
| 61 | return __kernel_standard (x, x, 37); |
| 62 | } |
| 63 | |
| 64 | return __ieee754_y1 (x); |
| 65 | } |
| 66 | #ifdef NO_LONG_DOUBLE |
| 67 | weak_alias (y1, y1l) |
| 68 | #endif |