1 /* Copyright (C) 1997, 1998, 1999, 2000, 2004 Free Software Foundation, Inc. 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 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. 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 12 Lesser General Public License for more details. 13 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/>. */ 17 18 #if !defined _MATH_H && !defined _COMPLEX_H 19 # error "Never use <bits/mathdef.h> directly; include <math.h> instead" 20 #endif 21 22 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF 23 # define _MATH_H_MATHDEF 1 24 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 32 /* The values returned by `ilogb' for 0 and NaN respectively. */ 33 # define FP_ILOGB0 (-2147483647) 34 # define FP_ILOGBNAN 2147483647 35 36 #endif /* ISO C99 */ 37 38 #if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__ 39 # define __NO_LONG_DOUBLE_MATH 1 40 #endif 41