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arm_common_tables.h
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1 /* ----------------------------------------------------------------------
2 * Copyright (C) 2010 ARM Limited. All rights reserved.
3 *
4 * $Date: 11. November 2010
5 * $Revision: V1.0.2
6 *
7 * Project: CMSIS DSP Library
8 * Title: arm_common_tables.h
9 *
10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
11 *
12 * Target Processor: Cortex-M4/Cortex-M3
13 *
14 * Version 1.0.2 2010/11/11
15 * Documentation updated.
16 *
17 * Version 1.0.1 2010/10/05
18 * Production release and review comments incorporated.
19 *
20 * Version 1.0.0 2010/09/20
21 * Production release and review comments incorporated.
22 * -------------------------------------------------------------------- */
23 
24 #ifndef _ARM_COMMON_TABLES_H
25 #define _ARM_COMMON_TABLES_H
26 
27 #include "arm_math.h"
28 
29 extern const uint16_t armBitRevTable[1024];
30 extern const q15_t armRecipTableQ15[64];
31 extern const q31_t armRecipTableQ31[64];
32 extern const q31_t realCoefAQ31[1024];
33 extern const q31_t realCoefBQ31[1024];
34 extern const float32_t twiddleCoef[6144];
35 extern const q31_t twiddleCoefQ31[6144];
36 extern const q15_t twiddleCoefQ15[6144];
37 
38 #endif /* ARM_COMMON_TABLES_H */