1 /* ----------------------------------------------------------------------
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2 * Copyright (C) 2010 ARM Limited. All rights reserved.
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4 * $Date: 11. November 2010
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7 * Project: CMSIS DSP Library
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8 * Title: arm_common_tables.h
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10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
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12 * Target Processor: Cortex-M4/Cortex-M3
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14 * Version 1.0.2 2010/11/11
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15 * Documentation updated.
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17 * Version 1.0.1 2010/10/05
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18 * Production release and review comments incorporated.
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20 * Version 1.0.0 2010/09/20
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21 * Production release and review comments incorporated.
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22 * -------------------------------------------------------------------- */
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24 #ifndef _ARM_COMMON_TABLES_H
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25 #define _ARM_COMMON_TABLES_H
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27 #include "arm_math.h"
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29 extern const uint16_t armBitRevTable[1024];
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30 extern const q15_t armRecipTableQ15[64];
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31 extern const q31_t armRecipTableQ31[64];
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32 extern const q31_t realCoefAQ31[1024];
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33 extern const q31_t realCoefBQ31[1024];
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34 extern const float32_t twiddleCoef[6144];
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35 extern const q31_t twiddleCoefQ31[6144];
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36 extern const q15_t twiddleCoefQ15[6144];
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38 #endif /* ARM_COMMON_TABLES_H */
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