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a86573f4 | 1 | /* Copyright (C) 1997, 1998, 1999, 2000, 2004 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 | |
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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. */ | |
63551311 | 18 | |
74eee886 | 19 | #if !defined _MATH_H && !defined _COMPLEX_H |
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20 | # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
21 | #endif | |
22 | ||
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23 | #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
24 | # define _MATH_H_MATHDEF 1 | |
25 | ||
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26 | # if defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0 |
27 | /* When using -mfpmath=sse, values are computed with the precission of the | |
28 | used type. */ | |
29 | typedef float float_t; /* `float' expressions are evaluated as `float'. */ | |
30 | typedef double double_t; /* `double' expressions are evaluated as | |
31 | `double'. */ | |
32 | # else | |
63551311 | 33 | /* The ix87 FPUs evaluate all values in the 80 bit floating-point format |
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34 | which is also available for the user as `long double'. Therefore we |
35 | define: */ | |
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36 | typedef long double float_t; /* `float' expressions are evaluated as |
37 | `long double'. */ | |
38 | typedef long double double_t; /* `double' expressions are evaluated as | |
39 | `long double'. */ | |
ad146de7 | 40 | # endif |
63551311 | 41 | |
d705269e | 42 | /* The values returned by `ilogb' for 0 and NaN respectively. */ |
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43 | # define FP_ILOGB0 (-2147483647 - 1) |
44 | # define FP_ILOGBNAN (-2147483647 - 1) | |
fe0ec73e | 45 | |
ec751a23 | 46 | #endif /* ISO C99 */ |