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 s16 qm_sat32(s32 op); 21 22 s32 qm_mul321616(s16 op1, s16 op2); 23 24 s16 qm_mul16(s16 op1, s16 op2); 25 26 s32 qm_muls321616(s16 op1, s16 op2); 27 28 u16 qm_mulu16(u16 op1, u16 op2); 29 30 s16 qm_muls16(s16 op1, s16 op2); 31 32 s32 qm_add32(s32 op1, s32 op2); 33 34 s16 qm_add16(s16 op1, s16 op2); 35 36 s16 qm_sub16(s16 op1, s16 op2); 37 38 s32 qm_sub32(s32 op1, s32 op2); 39 40 s32 qm_mac321616(s32 acc, s16 op1, s16 op2); 41 42 s32 qm_shl32(s32 op, int shift); 43 44 s32 qm_shr32(s32 op, int shift); 45 46 s16 qm_shl16(s16 op, int shift); 47 48 s16 qm_shr16(s16 op, int shift); 49 50 s16 qm_norm16(s16 op); 51 52 s16 qm_norm32(s32 op); 53 54 s16 qm_div_s(s16 num, s16 denom); 55 56 s16 qm_abs16(s16 op); 57 58 s16 qm_div16(s16 num, s16 denom, s16 *qQuotient); 59 60 s32 qm_abs32(s32 op); 61 62 s16 qm_div163232(s32 num, s32 denom, s16 *qquotient); 63 64 s32 qm_mul323216(s32 op1, s16 op2); 65 66 s32 qm_mulsu321616(s16 op1, u16 op2); 67 68 s32 qm_muls323216(s32 op1, s16 op2); 69 70 s32 qm_mul32(s32 a, s32 b); 71 72 s32 qm_muls32(s32 a, s32 b); 73 74 void qm_log10(s32 N, s16 qN, s16 *log10N, s16 *qLog10N); 75 76 void qm_1byN(s32 N, s16 qN, s32 *result, s16 *qResult); 77 78 #endif /* #ifndef __QMATH_H__ */ 79