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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. */
29typedef float float_t; /* `float' expressions are evaluated as `float'. */
30typedef 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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36typedef long double float_t; /* `float' expressions are evaluated as
37 `long double'. */
38typedef 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 */