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1 | /* | |
2 | * Copyright (c) 2010 Broadcom Corporation | |
3 | * | |
4 | * Permission to use, copy, modify, and/or distribute this software for any | |
5 | * purpose with or without fee is hereby granted, provided that the above | |
6 | * copyright notice and this permission notice appear in all copies. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
15 | */ | |
16 | ||
17 | #ifndef __QMATH_H__ | |
18 | #define __QMATH_H__ | |
19 | ||
20 | #include <typedefs.h> | |
21 | ||
22 | int16 qm_sat32(int32 op); | |
23 | ||
24 | int32 qm_mul321616(int16 op1, int16 op2); | |
25 | ||
26 | int16 qm_mul16(int16 op1, int16 op2); | |
27 | ||
28 | int32 qm_muls321616(int16 op1, int16 op2); | |
29 | ||
30 | u16 qm_mulu16(u16 op1, u16 op2); | |
31 | ||
32 | int16 qm_muls16(int16 op1, int16 op2); | |
33 | ||
34 | int32 qm_add32(int32 op1, int32 op2); | |
35 | ||
36 | int16 qm_add16(int16 op1, int16 op2); | |
37 | ||
38 | int16 qm_sub16(int16 op1, int16 op2); | |
39 | ||
40 | int32 qm_sub32(int32 op1, int32 op2); | |
41 | ||
42 | int32 qm_mac321616(int32 acc, int16 op1, int16 op2); | |
43 | ||
44 | int32 qm_shl32(int32 op, int shift); | |
45 | ||
46 | int32 qm_shr32(int32 op, int shift); | |
47 | ||
48 | int16 qm_shl16(int16 op, int shift); | |
49 | ||
50 | int16 qm_shr16(int16 op, int shift); | |
51 | ||
52 | int16 qm_norm16(int16 op); | |
53 | ||
54 | int16 qm_norm32(int32 op); | |
55 | ||
56 | int16 qm_div_s(int16 num, int16 denom); | |
57 | ||
58 | int16 qm_abs16(int16 op); | |
59 | ||
60 | int16 qm_div16(int16 num, int16 denom, int16 *qQuotient); | |
61 | ||
62 | int32 qm_abs32(int32 op); | |
63 | ||
64 | int16 qm_div163232(int32 num, int32 denom, int16 *qquotient); | |
65 | ||
66 | int32 qm_mul323216(int32 op1, int16 op2); | |
67 | ||
68 | int32 qm_mulsu321616(int16 op1, u16 op2); | |
69 | ||
70 | int32 qm_muls323216(int32 op1, int16 op2); | |
71 | ||
72 | int32 qm_mul32(int32 a, int32 b); | |
73 | ||
74 | int32 qm_muls32(int32 a, int32 b); | |
75 | ||
76 | void qm_log10(int32 N, int16 qN, int16 *log10N, int16 *qLog10N); | |
77 | ||
78 | void qm_1byN(int32 N, int16 qN, int32 *result, int16 *qResult); | |
79 | ||
80 | #endif /* #ifndef __QMATH_H__ */ |