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arithmetic.h
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arithmetic.h
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/*
* Copyright (c) 1993-1996 Julian Highfield. 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Julian Highfield.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <stdint.h>
/*
* arithmetic.h
*
* Function prototypes and constants for arithmetic.c
*
*/
#define PINFINITY32 ((uint32_t)0x7f800000)
#define MINFINITY32 ((uint32_t)0xff800000)
#define NAN32_UNDEFINED ((uint32_t)0x7f800010)
#define NAN32_UNSTABLE ((uint32_t)0x7f800008)
#define NAN32_INEXACT ((uint32_t)0x7f800004)
#define ZERO32 ((uint32_t)0x00000000)
uint32_t t4_add16 (uint32_t, uint32_t);
uint32_t t4_eadd16 (uint32_t, uint32_t);
uint32_t t4_add32 (uint32_t, uint32_t);
uint32_t t4_eadd32 (uint32_t, uint32_t);
uint32_t t4_sub16 (uint32_t, uint32_t);
uint32_t t4_esub16 (uint32_t, uint32_t);
uint32_t t4_sub32 (uint32_t, uint32_t);
uint32_t t4_esub32 (uint32_t, uint32_t);
uint32_t t4_mul16 (uint32_t, uint32_t);
uint32_t t4_emul16 (uint32_t, uint32_t);
uint32_t t4_mul32 (uint32_t, uint32_t);
uint32_t t4_emul32 (uint32_t, uint32_t);
uint32_t t4_shl64 (uint32_t, uint32_t, uint32_t);
uint32_t t4_shr64 (uint32_t, uint32_t, uint32_t);
uint32_t t4_norm64 (uint32_t, uint32_t);
uint32_t t4_longdiv (uint32_t, uint32_t, uint32_t);
uint32_t t4_infinity (void);
uint32_t t4_isinf (uint32_t);
uint32_t t4_iszero (uint32_t);
uint32_t t4_isnan (uint32_t);
uint32_t t4_fmul (uint32_t, uint32_t);