ref: 7e8060a09c49aabd3a65154d30639456c7326053
dir: /math64.h/
/******************************************************************* ** 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 1.4 2001/04/25 18:58:48 jsadler Exp $ *******************************************************************/ /* ** 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 ** ** Ficl is free software; you can redistribute it and/or ** modify it under the terms of the GNU Lesser General Public ** License as published by the Free Software Foundation; either ** version 2.1 of the License, or (at your option) any later version. ** ** The ficl software code is provided on an "as is" basis without ** warranty of any kind, including, without limitation, the implied ** warranties of merchantability and fitness for a particular purpose ** and their equivalents under the laws of any jurisdiction. ** See the GNU Lesser General Public License for more details. ** ** To view the GNU Lesser General Public License, visit this URL: ** http://www.fsf.org/copyleft/lesser.html ** ** Any third party may reproduce, distribute, or modify the ficl ** software code or any derivative works thereof without any ** compensation or license, provided that the author information ** and this license text are retained in the source code files. ** ** 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 (yay!), please ** send me email at the address above. */ #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