| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* Copyright (C) 1997-2016 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #if !defined _MATH_H && !defined _COMPLEX_H |
| 19 | # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
| 20 | #endif |
| 21 | |
| 22 | |
| 23 | /* FIXME! This file describes properties of the compiler, not the machine; |
| 24 | it should not be part of libc! |
| 25 | |
| 26 | FIXME! This file does not deal with the -fshort-double option of |
| 27 | gcc! */ |
| 28 | |
| 29 | #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
| 30 | # define _MATH_H_MATHDEF 1 |
| 31 | |
| 32 | /* PowerPC has both `float' and `double' arithmetic. */ |
| 33 | typedef float float_t; |
| 34 | typedef double double_t; |
| 35 | |
| 36 | /* The values returned by `ilogb' for 0 and NaN respectively. */ |
| 37 | # define FP_ILOGB0 (-2147483647) |
| 38 | # define FP_ILOGBNAN (2147483647) |
| 39 | |
| 40 | # if !defined _SOFT_FLOAT && !defined __NO_FPRS__ |
| 41 | /* The powerpc has a combined multiply/add instruction. */ |
| 42 | # define FP_FAST_FMA 1 |
| 43 | # define FP_FAST_FMAF 1 |
| 44 | # endif |
| 45 | |
| 46 | #endif /* ISO C99 */ |