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