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				/* ---------------------------------------------------------------------- | 
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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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#endif /*  ARM_COMMON_TABLES_H */
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