/* ---------------------------------------------------------------------- | |
* 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 */ |