1 /* Copyright (C) 2006-2014 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
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.
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
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library. If not, see
16 <http://www.gnu.org/licenses/>. */
18 #if !defined _MATH_H && !defined _COMPLEX_H
19 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
22 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
23 # define _MATH_H_MATHDEF 1
25 /* GCC does not promote `float' values to `double'. */
26 typedef float float_t
; /* `float' expressions are evaluated as
28 typedef double double_t
; /* `double' expressions are evaluated as
31 /* The values returned by `ilogb' for 0 and NaN respectively. */
32 # define FP_ILOGB0 (-2147483647)
33 # define FP_ILOGBNAN (2147483647)
37 /* On hppa `long double' is 64-bits. */
38 #undef __NO_LONG_DOUBLE_MATH