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 uint16_t armBitRevTable[256];
30 extern q15_t armRecipTableQ15[64];
31 extern q31_t armRecipTableQ31[64];
32 extern const q31_t realCoefAQ31[1024];
33 extern const q31_t realCoefBQ31[1024];
34 
35 #endif /*  ARM_COMMON_TABLES_H */
36