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/*******************************************************************
** m a t h 6 4 . h
** Forth Inspired Command Language - 64 bit math support routines
** Author: John Sadler (john_sadler@alum.mit.edu)
** Created: 25 January 1998
** $Id: math64.h,v 1.9 2001/12/05 07:21:34 jsadler Exp $
*******************************************************************/
/*
** Copyright (c) 1997-2001 John Sadler (john_sadler@alum.mit.edu)
** All rights reserved.
**
** I am interested in hearing from anyone who uses ficl. If you have
** a problem, a success story, a defect, an enhancement request, or
** if you would like to contribute to the ficl release, please
** contact me by email at the address above.
**
** Get the latest Ficl release at http://ficl.sourceforge.net
**
** L I C E N S E and D I S C L A I M E R
**
** 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.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
/* $FreeBSD: release/9.1.0/sys/boot/ficl/math64.h 94290 2002-04-09 17:45:28Z dcs $ */
#if !defined (__MATH64_H__)
#define __MATH64_H__
#ifdef __cplusplus
extern "C" {
#endif
DPINT m64Abs(DPINT x);
int m64IsNegative(DPINT x);
DPUNS m64Mac(DPUNS u, FICL_UNS mul, FICL_UNS add);
DPINT m64MulI(FICL_INT x, FICL_INT y);
DPINT m64Negate(DPINT x);
INTQR m64FlooredDivI(DPINT num, FICL_INT den);
void i64Push(FICL_STACK *pStack, DPINT i64);
DPINT i64Pop(FICL_STACK *pStack);
void u64Push(FICL_STACK *pStack, DPUNS u64);
DPUNS u64Pop(FICL_STACK *pStack);
INTQR m64SymmetricDivI(DPINT num, FICL_INT den);
UNS16 m64UMod(DPUNS *pUD, UNS16 base);
#if PORTABLE_LONGMULDIV != 0 /* see sysdep.h */
DPUNS m64Add(DPUNS x, DPUNS y);
DPUNS m64ASL( DPUNS x );
DPUNS m64ASR( DPUNS x );
int m64Compare(DPUNS x, DPUNS y);
DPUNS m64Or( DPUNS x, DPUNS y );
DPUNS m64Sub(DPUNS x, DPUNS y);
#endif
#define i64Extend(i64) (i64).hi = ((i64).lo < 0) ? -1L : 0
#define m64CastIU(i64) (*(DPUNS *)(&(i64)))
#define m64CastUI(u64) (*(DPINT *)(&(u64)))
#define m64CastQRIU(iqr) (*(UNSQR *)(&(iqr)))
#define m64CastQRUI(uqr) (*(INTQR *)(&(uqr)))
#define CELL_HI_BIT (1L << (BITS_PER_CELL-1))
#ifdef __cplusplus
}
#endif
#endif