ref: e84be7125ed52c674b2d46550751e56e18fe8356
dir: /softfloat.h/
/*============================================================================
This C header file is part of the SoftFloat IEEE Floating-Point Arithmetic
Package, Release 3e, by John R. Hauser.
Copyright 2011, 2012, 2013, 2014 The Regents of the University of California.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions, and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors may
be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE
DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=============================================================================*/
#pragma once
typedef struct extFloat80M extFloat80_t;
typedef float float32_t;
#ifdef __plan9__
#define LITTLE_ENDIAN 1234
#define BIG_ENDIAN 4321
#if defined(__mips__) || \
defined(__power__) || defined(__power64__) || \
defined(__sparc__) || defined(__sparc64__)
#define BYTE_ORDER BIG_ENDIAN
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
#else
#include <endian.h>
#ifndef BYTE_ORDER
#define LITTLE_ENDIAN __LITTLE_ENDIAN
#define BIG_ENDIAN __BIG_ENDIAN
#define BYTE_ORDER __BYTE_ORDER
#endif
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
struct extFloat80M { u64int signif; u16int signExp; };
#else
struct extFloat80M { u16int signExp; u64int signif; };
#endif
void f32_to_extF80M( float32_t, extFloat80_t * );
float32_t extF80M_to_f32( const extFloat80_t * );
void extF80M_add( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );
void extF80M_mul( const extFloat80_t *, const extFloat80_t *, extFloat80_t * );