/* ---------------------------------------------------------------------- | |
* Project: CMSIS DSP Library | |
* Title: arm_common_tables.h | |
* Description: Extern declaration for common tables | |
* | |
* $Date: 27. January 2017 | |
* $Revision: V.1.5.1 | |
* | |
* Target Processor: Cortex-M cores | |
* -------------------------------------------------------------------- */ | |
/* | |
* Copyright (C) 2010-2017 ARM Limited or its affiliates. All rights reserved. | |
* | |
* SPDX-License-Identifier: Apache-2.0 | |
* | |
* Licensed under the Apache License, Version 2.0 (the License); you may | |
* not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an AS IS BASIS, WITHOUT | |
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
#ifndef _ARM_COMMON_TABLES_H | |
#define _ARM_COMMON_TABLES_H | |
#include "arm_math.h" | |
extern const uint16_t armBitRevTable[1024]; | |
extern const q15_t armRecipTableQ15[64]; | |
extern const q31_t armRecipTableQ31[64]; | |
extern const float32_t twiddleCoef_16[32]; | |
extern const float32_t twiddleCoef_32[64]; | |
extern const float32_t twiddleCoef_64[128]; | |
extern const float32_t twiddleCoef_128[256]; | |
extern const float32_t twiddleCoef_256[512]; | |
extern const float32_t twiddleCoef_512[1024]; | |
extern const float32_t twiddleCoef_1024[2048]; | |
extern const float32_t twiddleCoef_2048[4096]; | |
extern const float32_t twiddleCoef_4096[8192]; | |
#define twiddleCoef twiddleCoef_4096 | |
extern const q31_t twiddleCoef_16_q31[24]; | |
extern const q31_t twiddleCoef_32_q31[48]; | |
extern const q31_t twiddleCoef_64_q31[96]; | |
extern const q31_t twiddleCoef_128_q31[192]; | |
extern const q31_t twiddleCoef_256_q31[384]; | |
extern const q31_t twiddleCoef_512_q31[768]; | |
extern const q31_t twiddleCoef_1024_q31[1536]; | |
extern const q31_t twiddleCoef_2048_q31[3072]; | |
extern const q31_t twiddleCoef_4096_q31[6144]; | |
extern const q15_t twiddleCoef_16_q15[24]; | |
extern const q15_t twiddleCoef_32_q15[48]; | |
extern const q15_t twiddleCoef_64_q15[96]; | |
extern const q15_t twiddleCoef_128_q15[192]; | |
extern const q15_t twiddleCoef_256_q15[384]; | |
extern const q15_t twiddleCoef_512_q15[768]; | |
extern const q15_t twiddleCoef_1024_q15[1536]; | |
extern const q15_t twiddleCoef_2048_q15[3072]; | |
extern const q15_t twiddleCoef_4096_q15[6144]; | |
extern const float32_t twiddleCoef_rfft_32[32]; | |
extern const float32_t twiddleCoef_rfft_64[64]; | |
extern const float32_t twiddleCoef_rfft_128[128]; | |
extern const float32_t twiddleCoef_rfft_256[256]; | |
extern const float32_t twiddleCoef_rfft_512[512]; | |
extern const float32_t twiddleCoef_rfft_1024[1024]; | |
extern const float32_t twiddleCoef_rfft_2048[2048]; | |
extern const float32_t twiddleCoef_rfft_4096[4096]; | |
/* floating-point bit reversal tables */ | |
#define ARMBITREVINDEXTABLE_16_TABLE_LENGTH ((uint16_t)20) | |
#define ARMBITREVINDEXTABLE_32_TABLE_LENGTH ((uint16_t)48) | |
#define ARMBITREVINDEXTABLE_64_TABLE_LENGTH ((uint16_t)56) | |
#define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208) | |
#define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440) | |
#define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448) | |
#define ARMBITREVINDEXTABLE_1024_TABLE_LENGTH ((uint16_t)1800) | |
#define ARMBITREVINDEXTABLE_2048_TABLE_LENGTH ((uint16_t)3808) | |
#define ARMBITREVINDEXTABLE_4096_TABLE_LENGTH ((uint16_t)4032) | |
extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE_16_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE_32_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE_64_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE_1024_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE_2048_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE_4096_TABLE_LENGTH]; | |
/* fixed-point bit reversal tables */ | |
#define ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH ((uint16_t)12) | |
#define ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH ((uint16_t)24) | |
#define ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH ((uint16_t)56) | |
#define ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH ((uint16_t)112) | |
#define ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH ((uint16_t)240) | |
#define ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH ((uint16_t)480) | |
#define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992) | |
#define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) | |
#define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) | |
extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED_16_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED_32_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED_64_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED_128_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED_256_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED_512_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; | |
extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH]; | |
/* Tables for Fast Math Sine and Cosine */ | |
extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1]; | |
extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1]; | |
extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1]; | |
#endif /* ARM_COMMON_TABLES_H */ |