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/* Copyright (C) 1997, 1998, 1999, 2000, 2004 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #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 # if defined __FLT_EVAL_METHOD__ && __FLT_EVAL_METHOD__ == 0 /* When using -mfpmath=sse, values are computed with the precission of the used type. */ typedef float float_t; /* `float' expressions are evaluated as `float'. */ typedef double double_t; /* `double' expressions are evaluated as `double'. */ # else /* The ix87 FPUs evaluate all values in the 80 bit floating-point format which is also available for the user as `long double'. Therefore we define: */ typedef long double float_t; /* `float' expressions are evaluated as `long double'. */ typedef long double double_t; /* `double' expressions are evaluated as `long double'. */ # endif /* The values returned by `ilogb' for 0 and NaN respectively. */ # define FP_ILOGB0 (-2147483647 - 1) # define FP_ILOGBNAN (-2147483647 - 1) #endif /* ISO C99 */