1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/* $XConsortium: arith.h,v 1.2 91/10/10 11:17:49 rws 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.
*/
/*SHARED*/
/* MAXSHORT may be defined by <limits.h> */
#ifdef MAXSHORT
#undef MAXSHORT
#endif
#define SHORTSIZE (sizeof(SHORT)*8)
#define INT32SIZE (SHORTSIZE*2)
#define MAXSHORT ((1<<SHORTSIZE)-1)
/*END SHARED*/
/*SHARED*/
typedef struct {
int32_t high;
int32_t low;
} doublelong;
/*END SHARED*/
/*SHARED*/
#define DLrightshift(dl,N) { \
dl.low = (dl.low >> N) + (((uint32_t) dl.high) << (INT32SIZE - N)); \
dl.high >>= N; \
}
/*END SHARED*/
/*SHARED*/
#include "types.h"
void DLmult(doublelong *, uint32_t, uint32_t),
DLdiv(doublelong *, uint32_t),
DLadd(doublelong *, doublelong *),
DLsub(doublelong *, doublelong *);
fractpel FPmult(fractpel, fractpel);
fractpel FPdiv(fractpel, fractpel);
fractpel FPstarslash(fractpel, fractpel, fractpel);
/*END SHARED*/
|
