/* Copyright (C) 1991 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ /* * ANSI Standard: 2.2.4.2 Characteristics of floating types */ #if !defined(_FLOAT_H) || \ (defined(__need_HUGE_VAL) && !defined(__HUGE_VAL_defined)) #ifndef __need_HUGE_VAL #define _FLOAT_H 1 #include #endif /* Don't need HUGE_VAL. */ #ifdef _FLOAT_H /* ANSI values for FLT_ROUNDS (the names are nonstandard). */ #define _FLT_ROUNDS_INDETERMINATE (-1) #define _FLT_ROUNDS_TOZERO 0 #define _FLT_ROUNDS_TONEAREST 1 #define _FLT_ROUNDS_TOPOSINF 2 #define _FLT_ROUNDS_TONEGINF 3 #endif #ifdef __HUGE_VAL_defined #undef __need_HUGE_VAL #endif /* HUGE_VAL defined. */ #if defined(_FLOAT_H) || defined(__need_HUGE_VAL) /* Include the machine-specific file. */ #include #ifdef __need_HUGE_VAL #define __HUGE_VAL_defined 1 #undef __need_HUGE_VAL #endif /* Need HUGE_VAL. */ #endif /* included or need HUGE_VAL. */ #endif /* float.h */