/****************************************************************************** * @file csky_common_tables.h * @brief This file has extern declaration for common tables like * Bitreverse, reciprocal etc which are used across different functions. * @version V1.0 * @date 20. Dec 2016 ******************************************************************************/ /* --------------------------------------------------------------------------- * Copyright (C) 2016 CSKY Limited. All rights reserved. * * Redistribution and use of this software 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 CSKY Ltd. nor the names of CSKY's contributors may * be used to endorse or promote products derived from this software without * specific prior written permission of CSKY Ltd. * * 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 _CSKY_COMMON_TABLES_H #define _CSKY_COMMON_TABLES_H #include "csky_math.h" extern const uint16_t cskyBitRevTable[1024]; extern const q15_t cskyRecipTableQ15[64]; extern const q31_t cskyRecipTableQ31[64]; extern const uint32_t twiddleCoef_16[32]; extern const uint32_t twiddleCoef_32[64]; extern const uint32_t twiddleCoef_64[128]; extern const uint32_t twiddleCoef_128[256]; extern const uint32_t twiddleCoef_256[512]; extern const uint32_t twiddleCoef_512[1024]; extern const uint32_t twiddleCoef_1024[2048]; extern const uint32_t twiddleCoef_2048[4096]; extern const uint32_t twiddleCoef_4096[8192]; 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]; extern const float32_t twiddleCoef_rfft_8192[8192]; extern const q15_t twiddleCoef_fast_16_q15[24]; extern const q15_t twiddleCoef_fast_32_q15[56]; extern const q15_t twiddleCoef_fast_64_q15[120]; extern const q15_t twiddleCoef_fast_128_q15[248]; extern const q15_t twiddleCoef_fast_256_q15[504]; extern const q15_t twiddleCoef_fast_512_q15[1016]; extern const q15_t twiddleCoef_fast_1024_q15[2040]; extern const q15_t twiddleCoef_fast_2048_q15[4088]; extern const q15_t twiddleCoef_fast_4096_q15[8184]; extern const q31_t twiddleCoef_fast_16_q31[24]; extern const q31_t twiddleCoef_fast_32_q31[56]; extern const q31_t twiddleCoef_fast_64_q31[120]; extern const q31_t twiddleCoef_fast_128_q31[248]; extern const q31_t twiddleCoef_fast_256_q31[504]; extern const q31_t twiddleCoef_fast_512_q31[1016]; extern const q31_t twiddleCoef_fast_1024_q31[2040]; extern const q31_t twiddleCoef_fast_2048_q31[4088]; extern const q31_t twiddleCoef_fast_4096_q31[8184]; extern const uint32_t twiddleCoef_fast_16[24]; extern const uint32_t twiddleCoef_fast_32[56]; extern const uint32_t twiddleCoef_fast_64[120]; extern const uint32_t twiddleCoef_fast_128[248]; extern const uint32_t twiddleCoef_fast_256[504]; extern const uint32_t twiddleCoef_fast_512[1016]; extern const uint32_t twiddleCoef_fast_1024[2040]; extern const uint32_t twiddleCoef_fast_2048[4088]; extern const uint32_t twiddleCoef_fast_4096[8184]; extern const q15_t realCoefAQ15_8192[8192]; extern const q31_t realCoefAQ31_8192[8192]; extern const q15_t realCoefBQ15_8192[8192]; extern const q31_t realCoefBQ31_8192[8192]; /*Tables for RFFT.*/ extern const q15_t ALIGN4 realCoefAQ15_32[32]; extern const q15_t ALIGN4 realCoefAQ15_64[64]; extern const q15_t ALIGN4 realCoefAQ15_128[128]; extern const q15_t ALIGN4 realCoefAQ15_256[256]; extern const q15_t ALIGN4 realCoefAQ15_512[512]; extern const q15_t ALIGN4 realCoefAQ15_1024[1024]; extern const q15_t ALIGN4 realCoefAQ15_2048[2048]; extern const q15_t ALIGN4 realCoefAQ15_4096[4096]; extern const q15_t ALIGN4 realCoefBQ15_32[32]; extern const q15_t ALIGN4 realCoefBQ15_64[64]; extern const q15_t ALIGN4 realCoefBQ15_128[128]; extern const q15_t ALIGN4 realCoefBQ15_256[256]; extern const q15_t ALIGN4 realCoefBQ15_512[512]; extern const q15_t ALIGN4 realCoefBQ15_1024[1024]; extern const q15_t ALIGN4 realCoefBQ15_2048[2048]; extern const q15_t ALIGN4 realCoefBQ15_4096[4096]; extern const q31_t realCoefAQ31_32[32]; extern const q31_t realCoefAQ31_64[64]; extern const q31_t realCoefAQ31_128[128]; extern const q31_t realCoefAQ31_256[256]; extern const q31_t realCoefAQ31_512[512]; extern const q31_t realCoefAQ31_1024[1024]; extern const q31_t realCoefAQ31_2048[2048]; extern const q31_t realCoefAQ31_4096[4096]; extern const q31_t realCoefBQ31_32[32]; extern const q31_t realCoefBQ31_64[64]; extern const q31_t realCoefBQ31_128[128]; extern const q31_t realCoefBQ31_256[256]; extern const q31_t realCoefBQ31_512[512]; extern const q31_t realCoefBQ31_1024[1024]; extern const q31_t realCoefBQ31_2048[2048]; extern const q31_t realCoefBQ31_4096[4096]; extern const float32_t realCoefA[8192]; extern const float32_t realCoefB[8192]; /*Tables for DCT4*/ extern const q15_t ALIGN4 WeightsQ15_128[128+2]; extern const q15_t ALIGN4 WeightsQ15_512[512+2]; extern const q15_t ALIGN4 WeightsQ15_2048[2048+2]; extern const q15_t ALIGN4 WeightsQ15_8192[8192+2]; extern const q15_t ALIGN4 cos_factorsQ15_128[128]; extern const q15_t ALIGN4 cos_factorsQ15_512[512]; extern const q15_t ALIGN4 cos_factorsQ15_2048[2048]; extern const q15_t ALIGN4 cos_factorsQ15_8192[8192]; extern const q31_t WeightsQ31_128[128+2]; extern const q31_t WeightsQ31_512[512+2]; extern const q31_t WeightsQ31_2048[2048+2]; extern const q31_t WeightsQ31_8192[8192+2]; extern const q31_t cos_factorsQ31_128[128]; extern const q31_t cos_factorsQ31_512[512]; extern const q31_t cos_factorsQ31_2048[2048]; extern const q31_t cos_factorsQ31_8192[8192]; extern const float32_t Weights_128[128+2]; extern const float32_t Weights_512[512+2]; extern const float32_t Weights_2048[2048+2]; extern const float32_t Weights_8192[8192+2]; extern const float32_t cos_factors_128[128]; extern const float32_t cos_factors_512[512]; extern const float32_t cos_factors_2048[2048]; extern const float32_t cos_factors_8192[8192]; /* floating-point bit reversal tables */ #define CSKYBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 ) #define CSKYBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 ) #define CSKYBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 ) #define CSKYBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 ) #define CSKYBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 ) #define CSKYBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 ) #define CSKYBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800) #define CSKYBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808) #define CSKYBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032) extern const uint16_t cskyBitRevIndexTable16[CSKYBITREVINDEXTABLE__16_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable32[CSKYBITREVINDEXTABLE__32_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable64[CSKYBITREVINDEXTABLE__64_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable128[CSKYBITREVINDEXTABLE_128_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable256[CSKYBITREVINDEXTABLE_256_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable512[CSKYBITREVINDEXTABLE_512_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable1024[CSKYBITREVINDEXTABLE1024_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable2048[CSKYBITREVINDEXTABLE2048_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable4096[CSKYBITREVINDEXTABLE4096_TABLE_LENGTH]; /* fixed-point bit reversal tables */ #define CSKYBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 ) #define CSKYBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 ) #define CSKYBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 ) #define CSKYBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 ) #define CSKYBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 ) #define CSKYBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 ) #define CSKYBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 ) #define CSKYBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) #define CSKYBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) extern const uint16_t cskyBitRevIndexTable_fixed_16[CSKYBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_32[CSKYBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_64[CSKYBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_128[CSKYBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_256[CSKYBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_512[CSKYBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_1024[CSKYBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_2048[CSKYBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; extern const uint16_t cskyBitRevIndexTable_fixed_4096[CSKYBITREVINDEXTABLE_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 /* CSKY_COMMON_TABLES_H */