| /* Copyright (C) 1999-2013 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #if !defined _MATH_H && !defined _COMPLEX_H |
| # error "Never use <bits/mathdef.h> directly; include <math.h> instead" |
| #endif |
| |
| #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF |
| # define _MATH_H_MATHDEF 1 |
| |
| /* GCC does not promote `float' values to `double'. */ |
| typedef float float_t; /* `float' expressions are evaluated as |
| `float'. */ |
| typedef double double_t; /* `double' expressions are evaluated as |
| `double'. */ |
| |
| /* The values returned by `ilogb' for 0 and NaN respectively. */ |
| # define FP_ILOGB0 (-2147483647) |
| # define FP_ILOGBNAN (2147483647) |
| |
| /* The GCC 4.6 compiler will define __FP_FAST_FMA{,F,L} if the fma{,f,l} |
| builtins are supported. */ |
| # if __FP_FAST_FMA |
| # define FP_FAST_FMA 1 |
| # endif |
| |
| # if __FP_FAST_FMAF |
| # define FP_FAST_FMAF 1 |
| # endif |
| |
| # if __FP_FAST_FMAL |
| # define FP_FAST_FMAL 1 |
| # endif |
| |
| #endif /* ISO C99 */ |
| |
| #ifndef __NO_LONG_DOUBLE_MATH |
| /* Signal that we do not really have a `long double'. This disables the |
| declaration of all the `long double' function variants. */ |
| # define __NO_LONG_DOUBLE_MATH 1 |
| #endif |
