/* Copyright (C) 1997 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _MATH_H # error "Never use directly; include instead" #endif /* 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'. */ /* Signal that both types are `long double'. */ #define FLT_EVAL_METHOD 2 /* Define `INFINITY' as value of type `float'. */ #define INFINITY HUGE_VALF /* The values returned by `ilogb' for 0 and NaN respectively. */ #define FP_ILOGB0 0x80000000 #define FP_ILOGBNAN 0x80000000 /* Number of decimal digits for the `long double' type. */ #define DECIMAL_DIG 18