| /* |
| * 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__ |
| |
| #include <typedefs.h> |
| |
| int16 qm_sat32(int32 op); |
| |
| int32 qm_mul321616(int16 op1, int16 op2); |
| |
| int16 qm_mul16(int16 op1, int16 op2); |
| |
| int32 qm_muls321616(int16 op1, int16 op2); |
| |
| uint16 qm_mulu16(uint16 op1, uint16 op2); |
| |
| int16 qm_muls16(int16 op1, int16 op2); |
| |
| int32 qm_add32(int32 op1, int32 op2); |
| |
| int16 qm_add16(int16 op1, int16 op2); |
| |
| int16 qm_sub16(int16 op1, int16 op2); |
| |
| int32 qm_sub32(int32 op1, int32 op2); |
| |
| int32 qm_mac321616(int32 acc, int16 op1, int16 op2); |
| |
| int32 qm_shl32(int32 op, int shift); |
| |
| int32 qm_shr32(int32 op, int shift); |
| |
| int16 qm_shl16(int16 op, int shift); |
| |
| int16 qm_shr16(int16 op, int shift); |
| |
| int16 qm_norm16(int16 op); |
| |
| int16 qm_norm32(int32 op); |
| |
| int16 qm_div_s(int16 num, int16 denom); |
| |
| int16 qm_abs16(int16 op); |
| |
| int16 qm_div16(int16 num, int16 denom, int16 * qQuotient); |
| |
| int32 qm_abs32(int32 op); |
| |
| int16 qm_div163232(int32 num, int32 denom, int16 * qquotient); |
| |
| int32 qm_mul323216(int32 op1, int16 op2); |
| |
| int32 qm_mulsu321616(int16 op1, uint16 op2); |
| |
| int32 qm_muls323216(int32 op1, int16 op2); |
| |
| int32 qm_mul32(int32 a, int32 b); |
| |
| int32 qm_muls32(int32 a, int32 b); |
| |
| void qm_log10(int32 N, int16 qN, int16 * log10N, int16 * qLog10N); |
| |
| void qm_1byN(int32 N, int16 qN, int32 * result, int16 * qResult); |
| |
| #endif /* #ifndef __QMATH_H__ */ |