1 /* ----------------------------------------------------------------------
2 * Copyright (C) 2010 ARM Limited. All rights reserved.
4 * $Date: 11. November 2010
7 * Project: CMSIS DSP Library
8 * Title: arm_common_tables.h
10 * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
12 * Target Processor: Cortex-M4/Cortex-M3
14 * Version 1.0.2 2010/11/11
15 * Documentation updated.
17 * Version 1.0.1 2010/10/05
18 * Production release and review comments incorporated.
20 * Version 1.0.0 2010/09/20
21 * Production release and review comments incorporated.
22 * -------------------------------------------------------------------- */
24 #ifndef _ARM_COMMON_TABLES_H
25 #define _ARM_COMMON_TABLES_H
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];
35 #endif /* ARM_COMMON_TABLES_H */