| 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 | |
| 20 | /* |
| 21 | * wrapper exp10(x) |
| 22 | */ |
| 23 | |
| 24 | #include <math.h> |
| 25 | #include <math_private.h> |
| 26 | |
| 27 | double |
| 28 | __exp10 (double x) |
| 29 | { |
| 30 | double z = __ieee754_exp10 (x); |
| 31 | if (__builtin_expect (!isfinite (z) || z == 0, 0) |
| 32 | && isfinite (x) && _LIB_VERSION != _IEEE_) |
| 33 | /* exp10 overflow (46) if x > 0, underflow (47) if x < 0. */ |
| 34 | return __kernel_standard (x, x, 46 + !!signbit (x)); |
| 35 | |
| 36 | return z; |
| 37 | } |
| 38 | weak_alias (__exp10, exp10) |
| 39 | strong_alias (__exp10, __pow10) |
| 40 | weak_alias (__pow10, pow10) |
| 41 | #ifdef NO_LONG_DOUBLE |
| 42 | strong_alias (__exp10, __exp10l) |
| 43 | weak_alias (__exp10, exp10l) |
| 44 | strong_alias (__exp10l, __pow10l) |
| 45 | weak_alias (__pow10l, pow10l) |
| 46 | #endif |