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b168057a | 1 | /* Copyright (C) 1997-2015 Free Software Foundation, Inc. |
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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 | |
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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. | |
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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. |
63551311 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
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15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
63551311 | 17 | |
d8cceb4f | 18 | #if !defined _MATH_H && !defined _COMPLEX_H |
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19 | # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
20 | #endif | |
21 | ||
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22 | #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
23 | # define _MATH_H_MATHDEF 1 | |
24 | ||
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25 | /* Normally, there is no long double type and the `float' and `double' |
26 | expressions are evaluated as `double'. */ | |
27 | typedef double float_t; /* `float' expressions are evaluated as | |
28 | `double'. */ | |
29 | typedef double double_t; /* `double' expressions are evaluated as | |
30 | `double'. */ | |
31 | ||
d705269e | 32 | /* The values returned by `ilogb' for 0 and NaN respectively. */ |
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33 | # define FP_ILOGB0 (-2147483647) |
34 | # define FP_ILOGBNAN 2147483647 | |
fe0ec73e | 35 | |
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36 | /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} |
37 | builtins are supported. */ | |
fdf4534d | 38 | #ifdef __FP_FAST_FMA |
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39 | # define FP_FAST_FMA 1 |
40 | #endif | |
41 | ||
fdf4534d | 42 | #ifdef __FP_FAST_FMAF |
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43 | # define FP_FAST_FMAF 1 |
44 | #endif | |
45 | ||
fdf4534d | 46 | #ifdef __FP_FAST_FMAL |
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47 | # define FP_FAST_FMAL 1 |
48 | #endif | |
49 | ||
ec751a23 | 50 | #endif /* ISO C99 */ |
d76bd17f | 51 | |
74eee886 | 52 | #ifndef __NO_LONG_DOUBLE_MATH |
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53 | /* Signal that we do not really have a `long double'. The disables the |
54 | declaration of all the `long double' function variants. */ | |
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55 | # define __NO_LONG_DOUBLE_MATH 1 |
56 | #endif |