projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| a86573f4 | 1 | /* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc. |
| ca34d7a7 UD |
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 | |
| 41bdb6e2 AJ |
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. | |
| ca34d7a7 UD |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| ca34d7a7 | 13 | |
| 41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, write to the Free | |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 17 | 02111-1307 USA. */ | |
| ca34d7a7 | 18 | |
| 74eee886 | 19 | #if !defined _MATH_H && !defined _COMPLEX_H |
| fe0ec73e | 20 | # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
| ca34d7a7 UD |
21 | #endif |
| 22 | ||
| abfbdde1 UD |
23 | #include <bits/wordsize.h> |
| 24 | ||
| ca34d7a7 UD |
25 | /* FIXME! This file describes properties of the compiler, not the machine; |
| 26 | it should not be part of libc! */ | |
| 27 | ||
| b85697f6 UD |
28 | #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
| 29 | # define _MATH_H_MATHDEF 1 | |
| 30 | ||
| 74eee886 UD |
31 | # ifdef __GNUC__ |
| 32 | # if __STDC__ == 1 | |
| ca34d7a7 UD |
33 | |
| 34 | /* In GNU or ANSI mode, gcc leaves `float' expressions as-is. */ | |
| 35 | typedef float float_t; | |
| 36 | typedef double double_t; | |
| 37 | ||
| 74eee886 | 38 | # else |
| ca34d7a7 UD |
39 | |
| 40 | /* For `gcc -traditional', `float' expressions are evaluated as `double'. */ | |
| 41 | typedef double float_t; | |
| 42 | typedef double double_t; | |
| 43 | ||
| 74eee886 UD |
44 | # endif |
| 45 | # else | |
| ca34d7a7 UD |
46 | |
| 47 | /* Wild guess at types for float_t and double_t. */ | |
| 48 | typedef double float_t; | |
| 49 | typedef double double_t; | |
| 50 | ||
| 74eee886 | 51 | # endif |
| f41c8091 UD |
52 | |
| 53 | /* The values returned by `ilogb' for 0 and NaN respectively. */ | |
| 417bafec UD |
54 | # define FP_ILOGB0 (-2147483647) |
| 55 | # define FP_ILOGBNAN (2147483647) | |
| fe0ec73e | 56 | |
| ec751a23 | 57 | #endif /* ISO C99 */ |
| 74eee886 UD |
58 | |
| 59 | #ifndef __NO_LONG_DOUBLE_MATH | |
| abfbdde1 UD |
60 | |
| 61 | # if __WORDSIZE == 32 | |
| 62 | /* Signal that in 32bit ABI we do not really have a `long double'. | |
| 63 | The disables the declaration of all the `long double' function | |
| 64 | variants. */ | |
| 65 | # define __NO_LONG_DOUBLE_MATH 1 | |
| 66 | # endif | |
| 67 | ||
| 74eee886 | 68 | #endif |