git://bbs.cooldavid.org / net-next-2.6.git / blame
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|---|---|---|
| a9533e7e HP |
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 | ||
| 7d4df48e | 30 | u16 qm_mulu16(u16 op1, u16 op2); |
| a9533e7e HP |
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 | ||
| 7cc4a4c0 | 60 | int16 qm_div16(int16 num, int16 denom, int16 *qQuotient); |
| a9533e7e HP |
61 | |
| 62 | int32 qm_abs32(int32 op); | |
| 63 | ||
| 7cc4a4c0 | 64 | int16 qm_div163232(int32 num, int32 denom, int16 *qquotient); |
| a9533e7e HP |
65 | |
| 66 | int32 qm_mul323216(int32 op1, int16 op2); | |
| 67 | ||
| 7d4df48e | 68 | int32 qm_mulsu321616(int16 op1, u16 op2); |
| a9533e7e HP |
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 | ||
| 7cc4a4c0 | 76 | void qm_log10(int32 N, int16 qN, int16 *log10N, int16 *qLog10N); |
| a9533e7e | 77 | |
| 7cc4a4c0 | 78 | void qm_1byN(int32 N, int16 qN, int32 *result, int16 *qResult); |
| a9533e7e HP |
79 | |
| 80 | #endif /* #ifndef __QMATH_H__ */ |