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/* $Xorg: arith.h,v 1.3 2000/08/17 19:46:29 cpqbld Exp $ */
/* Copyright International Business Machines, Corp. 1991
* All Rights Reserved
* Copyright Lexmark International, Inc. 1991
* All Rights Reserved
*
* License to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of IBM or Lexmark not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* IBM AND LEXMARK PROVIDE THIS SOFTWARE "AS IS", WITHOUT ANY WARRANTIES OF
* ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO ANY
* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
* AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. THE ENTIRE RISK AS TO THE
* QUALITY AND PERFORMANCE OF THE SOFTWARE, INCLUDING ANY DUTY TO SUPPORT
* OR MAINTAIN, BELONGS TO THE LICENSEE. SHOULD ANY PORTION OF THE
* SOFTWARE PROVE DEFECTIVE, THE LICENSEE (NOT IBM OR LEXMARK) ASSUMES THE
* ENTIRE COST OF ALL SERVICING, REPAIR AND CORRECTION. IN NO EVENT SHALL
* IBM OR LEXMARK BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
* THIS SOFTWARE.
*/
/* $XFree86: xc/lib/font/Type1/arith.h,v 1.4 1999/08/21 13:47:39 dawes Exp $ */
/*SHARED*/
#include <X11/Xmd.h> /* LONG64 */
/*END SHARED*/
/*SHARED*/
#undef SHORTSIZE
#define SHORTSIZE (sizeof(short)*8)
#undef LONGSIZE
#define LONGSIZE (SHORTSIZE*2)
#undef MAXSHORT
#define MAXSHORT ((1<<SHORTSIZE)-1)
/*END SHARED*/
/*SHARED*/
#ifdef LONG64
typedef long doublelong;
#else
typedef struct {
long high;
unsigned long low;
} doublelong;
#endif /* LONG64 else */
/*END SHARED*/
/*SHARED*/
#ifdef LONG64
#define DLrightshift(dl,N) ((dl) >>= (N))
#else
#define DLrightshift(dl,N) { \
dl.low = (dl.low >> N) + (((unsigned long) dl.high) << (LONGSIZE - N)); \
dl.high >>= N; \
}
#endif
extern void DLmult ( doublelong *product, unsigned long u, unsigned long v );
extern void DLdiv ( doublelong *quotient, unsigned long divisor );
extern void DLadd ( doublelong *u, doublelong *v );
extern void DLsub ( doublelong *u, doublelong *v );
extern fractpel FPmult ( fractpel u, fractpel v );
extern fractpel FPdiv ( fractpel dividend, fractpel divisor );
extern fractpel FPstarslash ( fractpel a, fractpel b, fractpel c );
/*END SHARED*/
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