| /* ---------------------------------------------------------------------- |
| * Copyright (C) 2010-2014 ARM Limited. All rights reserved. |
| * |
| * $Date: 19. October 2015 |
| * $Revision: V.1.4.5 a |
| * |
| * Project: CMSIS DSP Library |
| * Title: arm_common_tables.h |
| * |
| * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions |
| * |
| * Target Processor: Cortex-M4/Cortex-M3 |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * - Neither the name of ARM LIMITED nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * -------------------------------------------------------------------- */ |
| |
| #ifndef _ARM_COMMON_TABLES_H |
| #define _ARM_COMMON_TABLES_H |
| |
| #include "arm_math.h" |
| |
| extern const uint16_t armBitRevTable[1024]; |
| extern const q15_t armRecipTableQ15[64]; |
| extern const q31_t armRecipTableQ31[64]; |
| /* extern const q31_t realCoefAQ31[1024]; */ |
| /* extern const q31_t realCoefBQ31[1024]; */ |
| extern const float32_t twiddleCoef_16[32]; |
| extern const float32_t twiddleCoef_32[64]; |
| extern const float32_t twiddleCoef_64[128]; |
| extern const float32_t twiddleCoef_128[256]; |
| extern const float32_t twiddleCoef_256[512]; |
| extern const float32_t twiddleCoef_512[1024]; |
| extern const float32_t twiddleCoef_1024[2048]; |
| extern const float32_t twiddleCoef_2048[4096]; |
| extern const float32_t twiddleCoef_4096[8192]; |
| #define twiddleCoef twiddleCoef_4096 |
| extern const q31_t twiddleCoef_16_q31[24]; |
| extern const q31_t twiddleCoef_32_q31[48]; |
| extern const q31_t twiddleCoef_64_q31[96]; |
| extern const q31_t twiddleCoef_128_q31[192]; |
| extern const q31_t twiddleCoef_256_q31[384]; |
| extern const q31_t twiddleCoef_512_q31[768]; |
| extern const q31_t twiddleCoef_1024_q31[1536]; |
| extern const q31_t twiddleCoef_2048_q31[3072]; |
| extern const q31_t twiddleCoef_4096_q31[6144]; |
| extern const q15_t twiddleCoef_16_q15[24]; |
| extern const q15_t twiddleCoef_32_q15[48]; |
| extern const q15_t twiddleCoef_64_q15[96]; |
| extern const q15_t twiddleCoef_128_q15[192]; |
| extern const q15_t twiddleCoef_256_q15[384]; |
| extern const q15_t twiddleCoef_512_q15[768]; |
| extern const q15_t twiddleCoef_1024_q15[1536]; |
| extern const q15_t twiddleCoef_2048_q15[3072]; |
| extern const q15_t twiddleCoef_4096_q15[6144]; |
| extern const float32_t twiddleCoef_rfft_32[32]; |
| extern const float32_t twiddleCoef_rfft_64[64]; |
| extern const float32_t twiddleCoef_rfft_128[128]; |
| extern const float32_t twiddleCoef_rfft_256[256]; |
| extern const float32_t twiddleCoef_rfft_512[512]; |
| extern const float32_t twiddleCoef_rfft_1024[1024]; |
| extern const float32_t twiddleCoef_rfft_2048[2048]; |
| extern const float32_t twiddleCoef_rfft_4096[4096]; |
| |
| |
| /* floating-point bit reversal tables */ |
| #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 ) |
| #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 ) |
| #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 ) |
| #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 ) |
| #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 ) |
| #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 ) |
| #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800) |
| #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808) |
| #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032) |
| |
| extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH]; |
| |
| /* fixed-point bit reversal tables */ |
| #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 ) |
| #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 ) |
| #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 ) |
| #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 ) |
| #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 ) |
| #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 ) |
| #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 ) |
| #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) |
| #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) |
| |
| extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; |
| extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH]; |
| |
| /* Tables for Fast Math Sine and Cosine */ |
| extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1]; |
| extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1]; |
| extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1]; |
| |
| #endif /* ARM_COMMON_TABLES_H */ |