| /* ---------------------------------------------------------------------- |
| * 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 */ |