230 lines
10 KiB
C
230 lines
10 KiB
C
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/*
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* Copyright (C) 2016-2019 C-SKY Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/******************************************************************************
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* @file csky_common_tables.h
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* @brief This file has extern declaration for common tables like
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* Bitreverse, reciprocal etc which are used across different functions.
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* @version V1.0
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* @date 20. Dec 2016
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******************************************************************************/
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#ifndef _CSKY_COMMON_TABLES_H
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#define _CSKY_COMMON_TABLES_H
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#include "csky_math.h"
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extern const uint16_t cskyBitRevTable[1024];
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extern const q15_t cskyRecipTableQ15[64];
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extern const q31_t cskyRecipTableQ31[64];
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extern const uint32_t twiddleCoef_16[32];
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extern const uint32_t twiddleCoef_32[64];
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extern const uint32_t twiddleCoef_64[128];
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extern const uint32_t twiddleCoef_128[256];
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extern const uint32_t twiddleCoef_256[512];
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extern const uint32_t twiddleCoef_512[1024];
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extern const uint32_t twiddleCoef_1024[2048];
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extern const uint32_t twiddleCoef_2048[4096];
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extern const uint32_t twiddleCoef_4096[8192];
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extern const q31_t twiddleCoef_16_q31[24];
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extern const q31_t twiddleCoef_32_q31[48];
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extern const q31_t twiddleCoef_64_q31[96];
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extern const q31_t twiddleCoef_128_q31[192];
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extern const q31_t twiddleCoef_256_q31[384];
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extern const q31_t twiddleCoef_512_q31[768];
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extern const q31_t twiddleCoef_1024_q31[1536];
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extern const q31_t twiddleCoef_2048_q31[3072];
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extern const q31_t twiddleCoef_4096_q31[6144];
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extern const q15_t twiddleCoef_16_q15[24];
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extern const q15_t twiddleCoef_32_q15[48];
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extern const q15_t twiddleCoef_64_q15[96];
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extern const q15_t twiddleCoef_128_q15[192];
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extern const q15_t twiddleCoef_256_q15[384];
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extern const q15_t twiddleCoef_512_q15[768];
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extern const q15_t twiddleCoef_1024_q15[1536];
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extern const q15_t twiddleCoef_2048_q15[3072];
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extern const q15_t twiddleCoef_4096_q15[6144];
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extern const float32_t twiddleCoef_rfft_32[32];
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extern const float32_t twiddleCoef_rfft_64[64];
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extern const float32_t twiddleCoef_rfft_128[128];
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extern const float32_t twiddleCoef_rfft_256[256];
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extern const float32_t twiddleCoef_rfft_512[512];
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extern const float32_t twiddleCoef_rfft_1024[1024];
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extern const float32_t twiddleCoef_rfft_2048[2048];
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extern const float32_t twiddleCoef_rfft_4096[4096];
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extern const float32_t twiddleCoef_rfft_8192[8192];
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extern const q15_t twiddleCoef_fast_16_q15[24];
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extern const q15_t twiddleCoef_fast_32_q15[56];
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extern const q15_t twiddleCoef_fast_64_q15[120];
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extern const q15_t twiddleCoef_fast_128_q15[248];
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extern const q15_t twiddleCoef_fast_256_q15[504];
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extern const q15_t twiddleCoef_fast_512_q15[1016];
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extern const q15_t twiddleCoef_fast_1024_q15[2040];
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extern const q15_t twiddleCoef_fast_2048_q15[4088];
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extern const q15_t twiddleCoef_fast_4096_q15[8184];
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extern const q31_t twiddleCoef_fast_16_q31[24];
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extern const q31_t twiddleCoef_fast_32_q31[56];
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extern const q31_t twiddleCoef_fast_64_q31[120];
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extern const q31_t twiddleCoef_fast_128_q31[248];
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extern const q31_t twiddleCoef_fast_256_q31[504];
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extern const q31_t twiddleCoef_fast_512_q31[1016];
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extern const q31_t twiddleCoef_fast_1024_q31[2040];
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extern const q31_t twiddleCoef_fast_2048_q31[4088];
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extern const q31_t twiddleCoef_fast_4096_q31[8184];
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extern const uint32_t twiddleCoef_fast_16[24];
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extern const uint32_t twiddleCoef_fast_32[56];
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extern const uint32_t twiddleCoef_fast_64[120];
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extern const uint32_t twiddleCoef_fast_128[248];
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extern const uint32_t twiddleCoef_fast_256[504];
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extern const uint32_t twiddleCoef_fast_512[1016];
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extern const uint32_t twiddleCoef_fast_1024[2040];
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extern const uint32_t twiddleCoef_fast_2048[4088];
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extern const uint32_t twiddleCoef_fast_4096[8184];
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extern const q15_t realCoefAQ15_8192[8192];
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extern const q31_t realCoefAQ31_8192[8192];
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extern const q15_t realCoefBQ15_8192[8192];
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extern const q31_t realCoefBQ31_8192[8192];
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/*Tables for RFFT.*/
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extern const q15_t ALIGN4 realCoefAQ15_32[32];
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extern const q15_t ALIGN4 realCoefAQ15_64[64];
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extern const q15_t ALIGN4 realCoefAQ15_128[128];
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extern const q15_t ALIGN4 realCoefAQ15_256[256];
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extern const q15_t ALIGN4 realCoefAQ15_512[512];
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extern const q15_t ALIGN4 realCoefAQ15_1024[1024];
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extern const q15_t ALIGN4 realCoefAQ15_2048[2048];
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extern const q15_t ALIGN4 realCoefAQ15_4096[4096];
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extern const q15_t ALIGN4 realCoefBQ15_32[32];
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extern const q15_t ALIGN4 realCoefBQ15_64[64];
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extern const q15_t ALIGN4 realCoefBQ15_128[128];
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extern const q15_t ALIGN4 realCoefBQ15_256[256];
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extern const q15_t ALIGN4 realCoefBQ15_512[512];
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extern const q15_t ALIGN4 realCoefBQ15_1024[1024];
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extern const q15_t ALIGN4 realCoefBQ15_2048[2048];
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extern const q15_t ALIGN4 realCoefBQ15_4096[4096];
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extern const q31_t realCoefAQ31_32[32];
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extern const q31_t realCoefAQ31_64[64];
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extern const q31_t realCoefAQ31_128[128];
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extern const q31_t realCoefAQ31_256[256];
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extern const q31_t realCoefAQ31_512[512];
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extern const q31_t realCoefAQ31_1024[1024];
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extern const q31_t realCoefAQ31_2048[2048];
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extern const q31_t realCoefAQ31_4096[4096];
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extern const q31_t realCoefBQ31_32[32];
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extern const q31_t realCoefBQ31_64[64];
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extern const q31_t realCoefBQ31_128[128];
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extern const q31_t realCoefBQ31_256[256];
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extern const q31_t realCoefBQ31_512[512];
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extern const q31_t realCoefBQ31_1024[1024];
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extern const q31_t realCoefBQ31_2048[2048];
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extern const q31_t realCoefBQ31_4096[4096];
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extern const float32_t realCoefA[8192];
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extern const float32_t realCoefB[8192];
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/*Tables for DCT4*/
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extern const q15_t ALIGN4 WeightsQ15_128[128+2];
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extern const q15_t ALIGN4 WeightsQ15_512[512+2];
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extern const q15_t ALIGN4 WeightsQ15_2048[2048+2];
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extern const q15_t ALIGN4 WeightsQ15_8192[8192+2];
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extern const q15_t ALIGN4 cos_factorsQ15_128[128];
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extern const q15_t ALIGN4 cos_factorsQ15_512[512];
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extern const q15_t ALIGN4 cos_factorsQ15_2048[2048];
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extern const q15_t ALIGN4 cos_factorsQ15_8192[8192];
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extern const q31_t WeightsQ31_128[128+2];
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extern const q31_t WeightsQ31_512[512+2];
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extern const q31_t WeightsQ31_2048[2048+2];
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extern const q31_t WeightsQ31_8192[8192+2];
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extern const q31_t cos_factorsQ31_128[128];
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extern const q31_t cos_factorsQ31_512[512];
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extern const q31_t cos_factorsQ31_2048[2048];
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extern const q31_t cos_factorsQ31_8192[8192];
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extern const float32_t Weights_128[128+2];
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extern const float32_t Weights_512[512+2];
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extern const float32_t Weights_2048[2048+2];
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extern const float32_t Weights_8192[8192+2];
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extern const float32_t cos_factors_128[128];
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extern const float32_t cos_factors_512[512];
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extern const float32_t cos_factors_2048[2048];
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extern const float32_t cos_factors_8192[8192];
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/* floating-point bit reversal tables */
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#define CSKYBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 )
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#define CSKYBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 )
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#define CSKYBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 )
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#define CSKYBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 )
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#define CSKYBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 )
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#define CSKYBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 )
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#define CSKYBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800)
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#define CSKYBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808)
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#define CSKYBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032)
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extern const uint16_t cskyBitRevIndexTable16[CSKYBITREVINDEXTABLE__16_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable32[CSKYBITREVINDEXTABLE__32_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable64[CSKYBITREVINDEXTABLE__64_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable128[CSKYBITREVINDEXTABLE_128_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable256[CSKYBITREVINDEXTABLE_256_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable512[CSKYBITREVINDEXTABLE_512_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable1024[CSKYBITREVINDEXTABLE1024_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable2048[CSKYBITREVINDEXTABLE2048_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable4096[CSKYBITREVINDEXTABLE4096_TABLE_LENGTH];
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/* fixed-point bit reversal tables */
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#define CSKYBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 )
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#define CSKYBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 )
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#define CSKYBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 )
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#define CSKYBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 )
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#define CSKYBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 )
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#define CSKYBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 )
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#define CSKYBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 )
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#define CSKYBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984)
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#define CSKYBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032)
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extern const uint16_t cskyBitRevIndexTable_fixed_16[CSKYBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_32[CSKYBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_64[CSKYBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_128[CSKYBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_256[CSKYBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_512[CSKYBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_1024[CSKYBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_2048[CSKYBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH];
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extern const uint16_t cskyBitRevIndexTable_fixed_4096[CSKYBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH];
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/* Tables for Fast Math Sine and Cosine */
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extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1];
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extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1];
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extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1];
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#endif /* CSKY_COMMON_TABLES_H */
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