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/*
* rpf.h
*
* Written by: Stefan Frank
* Richard Krampfl
* Ullrich Hafner
*
* This file is part of FIASCO («F»ractal «I»mage «A»nd «S»equence «CO»dec)
* Copyright (C) 1994-2000 Ullrich Hafner <hafner@bigfoot.de>
*/
/*
* $Date: 2000/06/14 20:49:37 $
* $Author: hafner $
* $Revision: 5.1 $
* $State: Exp $
*/
#ifndef _RPF_H
#define _RPF_H
#include "types.h"
#include "fiasco.h"
typedef struct rpf
{
unsigned mantissa_bits; /* number of bits used for mantissa */
real_t range; /* scale value to [-range, +range] */
fiasco_rpf_range_e range_e;
} rpf_t;
int
rtob (real_t real, const rpf_t *rpf);
real_t
btor (int b, const rpf_t *rpf);
rpf_t *
alloc_rpf (unsigned mantissa, fiasco_rpf_range_e range);
extern const int RPF_ZERO;
#endif /* not _RPF_H */
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