lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2011-2015 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 j1f */ |
| 25 | float |
| 26 | j1f (float x) |
| 27 | { |
| 28 | if (__builtin_expect (isgreater (fabsf (x), X_TLOSS), 0) |
| 29 | && _LIB_VERSION != _IEEE_ && _LIB_VERSION != _POSIX_) |
| 30 | /* j1(|x|>X_TLOSS) */ |
| 31 | return __kernel_standard_f (x, x, 136); |
| 32 | |
| 33 | return __ieee754_j1f (x); |
| 34 | } |
| 35 | |
| 36 | |
| 37 | /* wrapper y1f */ |
| 38 | float |
| 39 | y1f (float x) |
| 40 | { |
| 41 | if (__builtin_expect (islessequal (x, 0.0f) |
| 42 | || isgreater (x, (float) X_TLOSS), 0) |
| 43 | && _LIB_VERSION != _IEEE_) |
| 44 | { |
| 45 | if (x < 0.0f) |
| 46 | { |
| 47 | /* d = zero/(x-x) */ |
| 48 | feraiseexcept (FE_INVALID); |
| 49 | return __kernel_standard_f (x, x, 111); |
| 50 | } |
| 51 | else if (x == 0.0f) |
| 52 | { |
| 53 | /* d = -one/(x-x) */ |
| 54 | feraiseexcept (FE_DIVBYZERO); |
| 55 | return __kernel_standard_f (x, x, 110); |
| 56 | } |
| 57 | else if (_LIB_VERSION != _POSIX_) |
| 58 | /* y1(x>X_TLOSS) */ |
| 59 | return __kernel_standard_f (x, x, 137); |
| 60 | } |
| 61 | |
| 62 | return __ieee754_y1f (x); |
| 63 | } |