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
71
72
73
74
75
76
77
78
|
/*
* Copyright (c) 2010 Broadcom Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, 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.
*/
#ifndef __QMATH_H__
#define __QMATH_H__
s16 qm_sat32(s32 op);
s32 qm_mul321616(s16 op1, s16 op2);
s16 qm_mul16(s16 op1, s16 op2);
s32 qm_muls321616(s16 op1, s16 op2);
u16 qm_mulu16(u16 op1, u16 op2);
s16 qm_muls16(s16 op1, s16 op2);
s32 qm_add32(s32 op1, s32 op2);
s16 qm_add16(s16 op1, s16 op2);
s16 qm_sub16(s16 op1, s16 op2);
s32 qm_sub32(s32 op1, s32 op2);
s32 qm_mac321616(s32 acc, s16 op1, s16 op2);
s32 qm_shl32(s32 op, int shift);
s32 qm_shr32(s32 op, int shift);
s16 qm_shl16(s16 op, int shift);
s16 qm_shr16(s16 op, int shift);
s16 qm_norm16(s16 op);
s16 qm_norm32(s32 op);
s16 qm_div_s(s16 num, s16 denom);
s16 qm_abs16(s16 op);
s16 qm_div16(s16 num, s16 denom, s16 *qQuotient);
s32 qm_abs32(s32 op);
s16 qm_div163232(s32 num, s32 denom, s16 *qquotient);
s32 qm_mul323216(s32 op1, s16 op2);
s32 qm_mulsu321616(s16 op1, u16 op2);
s32 qm_muls323216(s32 op1, s16 op2);
s32 qm_mul32(s32 a, s32 b);
s32 qm_muls32(s32 a, s32 b);
void qm_log10(s32 N, s16 qN, s16 *log10N, s16 *qLog10N);
void qm_1byN(s32 N, s16 qN, s32 *result, s16 *qResult);
#endif /* #ifndef __QMATH_H__ */
|
