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89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*******************************************************************
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** m a t h 6 4 . h
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** Forth Inspired Command Language - 64 bit math support routines
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** Author: John Sadler (john_sadler@alum.mit.edu)
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** Created: 25 January 1998
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** $Id: math64.h,v 1.9 2001/12/05 07:21:34 jsadler Exp $
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*******************************************************************/
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/*
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** Copyright (c) 1997-2001 John Sadler (john_sadler@alum.mit.edu)
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** All rights reserved.
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**
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** I am interested in hearing from anyone who uses ficl. If you have
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** a problem, a success story, a defect, an enhancement request, or
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** if you would like to contribute to the ficl release, please
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** contact me by email at the address above.
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**
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** Get the latest Ficl release at http://ficl.sourceforge.net
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**
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** L I C E N S E and D I S C L A I M E R
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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** ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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** OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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** HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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** LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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** OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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** SUCH DAMAGE.
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*/
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/* $FreeBSD$ */
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#if !defined (__MATH64_H__)
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#define __MATH64_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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DPINT m64Abs(DPINT x);
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int m64IsNegative(DPINT x);
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DPUNS m64Mac(DPUNS u, FICL_UNS mul, FICL_UNS add);
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DPINT m64MulI(FICL_INT x, FICL_INT y);
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DPINT m64Negate(DPINT x);
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INTQR m64FlooredDivI(DPINT num, FICL_INT den);
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void i64Push(FICL_STACK *pStack, DPINT i64);
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DPINT i64Pop(FICL_STACK *pStack);
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void u64Push(FICL_STACK *pStack, DPUNS u64);
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DPUNS u64Pop(FICL_STACK *pStack);
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INTQR m64SymmetricDivI(DPINT num, FICL_INT den);
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UNS16 m64UMod(DPUNS *pUD, UNS16 base);
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#if PORTABLE_LONGMULDIV != 0 /* see sysdep.h */
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DPUNS m64Add(DPUNS x, DPUNS y);
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DPUNS m64ASL( DPUNS x );
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DPUNS m64ASR( DPUNS x );
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int m64Compare(DPUNS x, DPUNS y);
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DPUNS m64Or( DPUNS x, DPUNS y );
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DPUNS m64Sub(DPUNS x, DPUNS y);
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#endif
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#define i64Extend(i64) (i64).hi = ((i64).lo < 0) ? -1L : 0
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#define m64CastIU(i64) (*(DPUNS *)(&(i64)))
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#define m64CastUI(u64) (*(DPINT *)(&(u64)))
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#define m64CastQRIU(iqr) (*(UNSQR *)(&(iqr)))
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#define m64CastQRUI(uqr) (*(INTQR *)(&(uqr)))
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#define CELL_HI_BIT (1L << (BITS_PER_CELL-1))
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#ifdef __cplusplus
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}
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#endif
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#endif
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