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| 8b51c7 | 1 | /* ---------------------------------------------------------------------- |
| Q | 2 | * Copyright (C) 2010-2014 ARM Limited. All rights reserved. |
| 3 | * | |
| 4 | * $Date: 19. October 2015 | |
| 5 | * $Revision: V.1.4.5 a | |
| 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 | * Redistribution and use in source and binary forms, with or without | |
| 15 | * modification, are permitted provided that the following conditions | |
| 16 | * are met: | |
| 17 | * - Redistributions of source code must retain the above copyright | |
| 18 | * notice, this list of conditions and the following disclaimer. | |
| 19 | * - Redistributions in binary form must reproduce the above copyright | |
| 20 | * notice, this list of conditions and the following disclaimer in | |
| 21 | * the documentation and/or other materials provided with the | |
| 22 | * distribution. | |
| 23 | * - Neither the name of ARM LIMITED nor the names of its contributors | |
| 24 | * may be used to endorse or promote products derived from this | |
| 25 | * software without specific prior written permission. | |
| 26 | * | |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 30 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 31 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 32 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 33 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 38 | * POSSIBILITY OF SUCH DAMAGE. | |
| 39 | * -------------------------------------------------------------------- */ | |
| 40 | ||
| 41 | #ifndef _ARM_COMMON_TABLES_H | |
| 42 | #define _ARM_COMMON_TABLES_H | |
| 43 | ||
| 44 | #include "arm_math.h" | |
| 45 | ||
| 46 | extern const uint16_t armBitRevTable[1024]; | |
| 47 | extern const q15_t armRecipTableQ15[64]; | |
| 48 | extern const q31_t armRecipTableQ31[64]; | |
| 49 | /* extern const q31_t realCoefAQ31[1024]; */ | |
| 50 | /* extern const q31_t realCoefBQ31[1024]; */ | |
| 51 | extern const float32_t twiddleCoef_16[32]; | |
| 52 | extern const float32_t twiddleCoef_32[64]; | |
| 53 | extern const float32_t twiddleCoef_64[128]; | |
| 54 | extern const float32_t twiddleCoef_128[256]; | |
| 55 | extern const float32_t twiddleCoef_256[512]; | |
| 56 | extern const float32_t twiddleCoef_512[1024]; | |
| 57 | extern const float32_t twiddleCoef_1024[2048]; | |
| 58 | extern const float32_t twiddleCoef_2048[4096]; | |
| 59 | extern const float32_t twiddleCoef_4096[8192]; | |
| 60 | #define twiddleCoef twiddleCoef_4096 | |
| 61 | extern const q31_t twiddleCoef_16_q31[24]; | |
| 62 | extern const q31_t twiddleCoef_32_q31[48]; | |
| 63 | extern const q31_t twiddleCoef_64_q31[96]; | |
| 64 | extern const q31_t twiddleCoef_128_q31[192]; | |
| 65 | extern const q31_t twiddleCoef_256_q31[384]; | |
| 66 | extern const q31_t twiddleCoef_512_q31[768]; | |
| 67 | extern const q31_t twiddleCoef_1024_q31[1536]; | |
| 68 | extern const q31_t twiddleCoef_2048_q31[3072]; | |
| 69 | extern const q31_t twiddleCoef_4096_q31[6144]; | |
| 70 | extern const q15_t twiddleCoef_16_q15[24]; | |
| 71 | extern const q15_t twiddleCoef_32_q15[48]; | |
| 72 | extern const q15_t twiddleCoef_64_q15[96]; | |
| 73 | extern const q15_t twiddleCoef_128_q15[192]; | |
| 74 | extern const q15_t twiddleCoef_256_q15[384]; | |
| 75 | extern const q15_t twiddleCoef_512_q15[768]; | |
| 76 | extern const q15_t twiddleCoef_1024_q15[1536]; | |
| 77 | extern const q15_t twiddleCoef_2048_q15[3072]; | |
| 78 | extern const q15_t twiddleCoef_4096_q15[6144]; | |
| 79 | extern const float32_t twiddleCoef_rfft_32[32]; | |
| 80 | extern const float32_t twiddleCoef_rfft_64[64]; | |
| 81 | extern const float32_t twiddleCoef_rfft_128[128]; | |
| 82 | extern const float32_t twiddleCoef_rfft_256[256]; | |
| 83 | extern const float32_t twiddleCoef_rfft_512[512]; | |
| 84 | extern const float32_t twiddleCoef_rfft_1024[1024]; | |
| 85 | extern const float32_t twiddleCoef_rfft_2048[2048]; | |
| 86 | extern const float32_t twiddleCoef_rfft_4096[4096]; | |
| 87 | ||
| 88 | ||
| 89 | /* floating-point bit reversal tables */ | |
| 90 | #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 ) | |
| 91 | #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 ) | |
| 92 | #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 ) | |
| 93 | #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 ) | |
| 94 | #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 ) | |
| 95 | #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 ) | |
| 96 | #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800) | |
| 97 | #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808) | |
| 98 | #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032) | |
| 99 | ||
| 100 | extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH]; | |
| 101 | extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH]; | |
| 102 | extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH]; | |
| 103 | extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH]; | |
| 104 | extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH]; | |
| 105 | extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH]; | |
| 106 | extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH]; | |
| 107 | extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH]; | |
| 108 | extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH]; | |
| 109 | ||
| 110 | /* fixed-point bit reversal tables */ | |
| 111 | #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 ) | |
| 112 | #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 ) | |
| 113 | #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 ) | |
| 114 | #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 ) | |
| 115 | #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 ) | |
| 116 | #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 ) | |
| 117 | #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 ) | |
| 118 | #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) | |
| 119 | #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) | |
| 120 | ||
| 121 | extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH]; | |
| 122 | extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH]; | |
| 123 | extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH]; | |
| 124 | extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH]; | |
| 125 | extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH]; | |
| 126 | extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH]; | |
| 127 | extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; | |
| 128 | extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; | |
| 129 | extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH]; | |
| 130 | ||
| 131 | /* Tables for Fast Math Sine and Cosine */ | |
| 132 | extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1]; | |
| 133 | extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1]; | |
| 134 | extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1]; | |
| 135 | ||
| 136 | #endif /* ARM_COMMON_TABLES_H */ | |
