1 /* Copyright (C) 2000, 2001, 2004, 2007 2 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <http://www.gnu.org/licenses/>. */ 18 19 #if !defined _MATH_H && !defined _COMPLEX_H 20 # error "Never use <bits/mathdef.h> directly; include <math.h> instead" 21 #endif 22 23 #if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF 24 # define _MATH_H_MATHDEF 1 25 26 /* Xtensa has `float' and `double' operations. */ 27 typedef float float_t; /* `float' expressions are evaluated as 28 `float'. */ 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