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100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* @(#) $(JCGO)/minihdr/common/float.h --
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* a part of the minimalist "libc" headers for JCGO.
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**
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* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
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* Copyright (C) 2001-2009 Ivan Maidanski <ivmai@ivmaisoft.com>
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* All rights reserved.
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*/
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/*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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**
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* This software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License (GPL) for more details.
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**
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole
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* combination.
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**
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* As a special exception, the copyright holders of this library give you
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* permission to link this library with independent modules to produce an
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* executable, regardless of the license terms of these independent
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* modules, and to copy and distribute the resulting executable under
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* terms of your choice, provided that you also meet, for each linked
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* independent module, the terms and conditions of the license of that
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* module. An independent module is a module which is not derived from
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* or based on this library. If you modify this library, you may extend
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* this exception to your version of the library, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#ifndef _FLOAT_H
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#define _FLOAT_H
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#ifndef _STDDEF_H
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#include <stddef.h>
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#ifndef CHAR_BIT
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#define CHAR_BIT 8
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#endif
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#ifndef FLT_MANT_DIG
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#define FLT_MANT_DIG ((int)sizeof(float) * CHAR_BIT - 8)
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#endif
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#ifndef DBL_MANT_DIG
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#define DBL_MANT_DIG ((int)sizeof(double) * CHAR_BIT - 11)
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#endif
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#ifndef DBL_MAX_EXP
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#define DBL_MAX_EXP (1 << ((int)sizeof(double) * CHAR_BIT - DBL_MANT_DIG - 1))
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#endif
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#ifndef DBL_MIN_EXP
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#define DBL_MIN_EXP (3 - DBL_MAX_EXP)
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#endif
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#ifndef DBL_MIN
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#define DBL_MIN 2.2250738585072014E-308
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#endif
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#ifndef LDBL_MAX_EXP
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#define LDBL_MAX_EXP (1 << 14)
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#endif
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#ifndef _FLOAT_NO_CONTROL87
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#ifndef _MCW_EM
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#define _MCW_EM 0x3f /* or 0x1f, or 0x8001f */
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#endif
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#ifndef _MCW_PC
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#define _MCW_PC 0x300 /* or 0x30000 */
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#define _PC_53 0x200 /* or 0, or 0x10000 */
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#define _PC_64 0x300 /* or 0, or 0x20000 */
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#endif
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_EXPFUNC unsigned _RTLENTRY _control87(unsigned, unsigned);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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