projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 87a694c9 RM |
1 | /* Copyright (C) 1997,1998,1999,2000,2003,2004,2006 |
| 2 | Free Software Foundation, Inc. | |
| 5d4b2fb9 UD |
3 | This file is part of the GNU C Library. |
| 4 | ||
| 5 | The GNU C Library is free software; you can redistribute it and/or | |
| 3214b89b AJ |
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. | |
| 5d4b2fb9 UD |
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 | |
| 3214b89b | 13 | Lesser General Public License for more details. |
| 5d4b2fb9 | 14 | |
| 3214b89b | 15 | You should have received a copy of the GNU Lesser General Public |
| ab84e3ff PE |
16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ | |
| 5d4b2fb9 | 18 | |
| 200172bd | 19 | #if !defined _MATH_H && !defined _COMPLEX_H |
| 2ecd6b51 | 20 | # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
| 5d4b2fb9 UD |
21 | #endif |
| 22 | ||
| 23 | /* FIXME! This file describes properties of the compiler, not the machine; | |
| 24 | it should not be part of libc! */ | |
| 25 | ||
| 6d1adc87 UD |
26 | #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
| 27 | # define _MATH_H_MATHDEF 1 | |
| 28 | ||
| 200172bd UD |
29 | # ifdef __GNUC__ |
| 30 | # if __STDC__ == 1 | |
| 5d4b2fb9 UD |
31 | |
| 32 | /* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */ | |
| 33 | typedef float float_t; | |
| 34 | typedef double double_t; | |
| 35 | ||
| 200172bd | 36 | # else |
| 5d4b2fb9 UD |
37 | |
| 38 | /* For `gcc -traditional', `float' expressions are evaluated as `double'. */ | |
| 39 | typedef double float_t; | |
| 40 | typedef double double_t; | |
| 41 | ||
| 200172bd UD |
42 | # endif |
| 43 | # else | |
| 5d4b2fb9 UD |
44 | |
| 45 | /* Wild guess at types for float_t and double_t. */ | |
| 46 | typedef double float_t; | |
| 47 | typedef double double_t; | |
| 48 | ||
| 200172bd | 49 | # endif |
| 2ecd6b51 | 50 | |
| 5faf38ae | 51 | /* The values returned by `ilogb' for 0 and NaN respectively. */ |
| d31dde92 UD |
52 | # define FP_ILOGB0 (-2147483647) |
| 53 | # define FP_ILOGBNAN (2147483647) | |
| 5faf38ae | 54 | |
| cfbf1a2f | 55 | #endif /* ISO C99 && MATH_H */ |
| 200172bd | 56 | |
| cfbf1a2f RH |
57 | #if defined _COMPLEX_H && !defined _COMPLEX_H_MATHDEF |
| 58 | # define _COMPLEX_H_MATHDEF 1 | |
| 59 | # if defined(__GNUC__) && !__GNUC_PREREQ(3,4) | |
| 60 | ||
| 61 | /* Due to an ABI change, we need to remap the complex float symbols. */ | |
| 62 | # define _Mdouble_ float | |
| 63 | # define __MATHCALL(function, args) \ | |
| 64 | __MATHDECL (_Complex float, function, args) | |
| 65 | # define __MATHDECL(type, function, args) \ | |
| 66 | __MATHDECL_1(type, function##f, args, __c1_##function##f); \ | |
| 67 | __MATHDECL_1(type, __##function##f, args, __c1_##function##f) | |
| 68 | # define __MATHDECL_1(type, function, args, alias) \ | |
| 69 | extern type function args __asm__(#alias) __THROW | |
| 70 | ||
| 71 | # include <bits/cmathcalls.h> | |
| 72 | ||
| 73 | # undef _Mdouble_ | |
| 74 | # undef __MATHCALL | |
| 75 | # undef __MATHDECL | |
| 76 | # undef __MATHDECL_1 | |
| 77 | ||
| 78 | # endif /* GNUC before 3.4 */ | |
| 79 | #endif /* COMPLEX_H */ |