1 | /* ---------------------------------------------------------------------- |
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2 | * Copyright (C) 2010-2014 ARM Limited. All rights reserved. |
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3 | * |
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4 | * $Date: 19. October 2015 |
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5 | * $Revision: V.1.4.5 a |
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6 | * |
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7 | * Project: CMSIS DSP Library |
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8 | * Title: arm_common_tables.h |
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9 | * |
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10 | * Description: This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions |
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11 | * |
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12 | * Target Processor: Cortex-M4/Cortex-M3 |
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13 | * |
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14 | * Redistribution and use in source and binary forms, with or without |
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15 | * modification, are permitted provided that the following conditions |
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16 | * are met: |
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17 | * - Redistributions of source code must retain the above copyright |
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18 | * notice, this list of conditions and the following disclaimer. |
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19 | * - Redistributions in binary form must reproduce the above copyright |
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20 | * notice, this list of conditions and the following disclaimer in |
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21 | * the documentation and/or other materials provided with the |
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22 | * distribution. |
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23 | * - Neither the name of ARM LIMITED nor the names of its contributors |
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24 | * may be used to endorse or promote products derived from this |
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25 | * software without specific prior written permission. |
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26 | * |
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27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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28 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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29 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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30 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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31 | * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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32 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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33 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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34 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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36 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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38 | * POSSIBILITY OF SUCH DAMAGE. |
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39 | * -------------------------------------------------------------------- */ |
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40 | |
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41 | #ifndef _ARM_COMMON_TABLES_H |
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42 | #define _ARM_COMMON_TABLES_H |
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43 | |
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44 | #include "arm_math.h" |
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45 | |
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46 | extern const uint16_t armBitRevTable[1024]; |
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47 | extern const q15_t armRecipTableQ15[64]; |
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48 | extern const q31_t armRecipTableQ31[64]; |
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49 | /* extern const q31_t realCoefAQ31[1024]; */ |
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50 | /* extern const q31_t realCoefBQ31[1024]; */ |
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51 | extern const float32_t twiddleCoef_16[32]; |
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52 | extern const float32_t twiddleCoef_32[64]; |
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53 | extern const float32_t twiddleCoef_64[128]; |
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54 | extern const float32_t twiddleCoef_128[256]; |
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55 | extern const float32_t twiddleCoef_256[512]; |
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56 | extern const float32_t twiddleCoef_512[1024]; |
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57 | extern const float32_t twiddleCoef_1024[2048]; |
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58 | extern const float32_t twiddleCoef_2048[4096]; |
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59 | extern const float32_t twiddleCoef_4096[8192]; |
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60 | #define twiddleCoef twiddleCoef_4096 |
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61 | extern const q31_t twiddleCoef_16_q31[24]; |
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62 | extern const q31_t twiddleCoef_32_q31[48]; |
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63 | extern const q31_t twiddleCoef_64_q31[96]; |
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64 | extern const q31_t twiddleCoef_128_q31[192]; |
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65 | extern const q31_t twiddleCoef_256_q31[384]; |
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66 | extern const q31_t twiddleCoef_512_q31[768]; |
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67 | extern const q31_t twiddleCoef_1024_q31[1536]; |
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68 | extern const q31_t twiddleCoef_2048_q31[3072]; |
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69 | extern const q31_t twiddleCoef_4096_q31[6144]; |
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70 | extern const q15_t twiddleCoef_16_q15[24]; |
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71 | extern const q15_t twiddleCoef_32_q15[48]; |
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72 | extern const q15_t twiddleCoef_64_q15[96]; |
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73 | extern const q15_t twiddleCoef_128_q15[192]; |
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74 | extern const q15_t twiddleCoef_256_q15[384]; |
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75 | extern const q15_t twiddleCoef_512_q15[768]; |
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76 | extern const q15_t twiddleCoef_1024_q15[1536]; |
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77 | extern const q15_t twiddleCoef_2048_q15[3072]; |
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78 | extern const q15_t twiddleCoef_4096_q15[6144]; |
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79 | extern const float32_t twiddleCoef_rfft_32[32]; |
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80 | extern const float32_t twiddleCoef_rfft_64[64]; |
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81 | extern const float32_t twiddleCoef_rfft_128[128]; |
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82 | extern const float32_t twiddleCoef_rfft_256[256]; |
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83 | extern const float32_t twiddleCoef_rfft_512[512]; |
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84 | extern const float32_t twiddleCoef_rfft_1024[1024]; |
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85 | extern const float32_t twiddleCoef_rfft_2048[2048]; |
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86 | extern const float32_t twiddleCoef_rfft_4096[4096]; |
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87 | |
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88 | |
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89 | /* floating-point bit reversal tables */ |
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90 | #define ARMBITREVINDEXTABLE__16_TABLE_LENGTH ((uint16_t)20 ) |
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91 | #define ARMBITREVINDEXTABLE__32_TABLE_LENGTH ((uint16_t)48 ) |
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92 | #define ARMBITREVINDEXTABLE__64_TABLE_LENGTH ((uint16_t)56 ) |
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93 | #define ARMBITREVINDEXTABLE_128_TABLE_LENGTH ((uint16_t)208 ) |
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94 | #define ARMBITREVINDEXTABLE_256_TABLE_LENGTH ((uint16_t)440 ) |
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95 | #define ARMBITREVINDEXTABLE_512_TABLE_LENGTH ((uint16_t)448 ) |
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96 | #define ARMBITREVINDEXTABLE1024_TABLE_LENGTH ((uint16_t)1800) |
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97 | #define ARMBITREVINDEXTABLE2048_TABLE_LENGTH ((uint16_t)3808) |
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98 | #define ARMBITREVINDEXTABLE4096_TABLE_LENGTH ((uint16_t)4032) |
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99 | |
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100 | extern const uint16_t armBitRevIndexTable16[ARMBITREVINDEXTABLE__16_TABLE_LENGTH]; |
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101 | extern const uint16_t armBitRevIndexTable32[ARMBITREVINDEXTABLE__32_TABLE_LENGTH]; |
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102 | extern const uint16_t armBitRevIndexTable64[ARMBITREVINDEXTABLE__64_TABLE_LENGTH]; |
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103 | extern const uint16_t armBitRevIndexTable128[ARMBITREVINDEXTABLE_128_TABLE_LENGTH]; |
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104 | extern const uint16_t armBitRevIndexTable256[ARMBITREVINDEXTABLE_256_TABLE_LENGTH]; |
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105 | extern const uint16_t armBitRevIndexTable512[ARMBITREVINDEXTABLE_512_TABLE_LENGTH]; |
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106 | extern const uint16_t armBitRevIndexTable1024[ARMBITREVINDEXTABLE1024_TABLE_LENGTH]; |
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107 | extern const uint16_t armBitRevIndexTable2048[ARMBITREVINDEXTABLE2048_TABLE_LENGTH]; |
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108 | extern const uint16_t armBitRevIndexTable4096[ARMBITREVINDEXTABLE4096_TABLE_LENGTH]; |
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109 | |
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110 | /* fixed-point bit reversal tables */ |
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111 | #define ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH ((uint16_t)12 ) |
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112 | #define ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH ((uint16_t)24 ) |
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113 | #define ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH ((uint16_t)56 ) |
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114 | #define ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH ((uint16_t)112 ) |
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115 | #define ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH ((uint16_t)240 ) |
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116 | #define ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH ((uint16_t)480 ) |
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117 | #define ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH ((uint16_t)992 ) |
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118 | #define ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH ((uint16_t)1984) |
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119 | #define ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH ((uint16_t)4032) |
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120 | |
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121 | extern const uint16_t armBitRevIndexTable_fixed_16[ARMBITREVINDEXTABLE_FIXED___16_TABLE_LENGTH]; |
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122 | extern const uint16_t armBitRevIndexTable_fixed_32[ARMBITREVINDEXTABLE_FIXED___32_TABLE_LENGTH]; |
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123 | extern const uint16_t armBitRevIndexTable_fixed_64[ARMBITREVINDEXTABLE_FIXED___64_TABLE_LENGTH]; |
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124 | extern const uint16_t armBitRevIndexTable_fixed_128[ARMBITREVINDEXTABLE_FIXED__128_TABLE_LENGTH]; |
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125 | extern const uint16_t armBitRevIndexTable_fixed_256[ARMBITREVINDEXTABLE_FIXED__256_TABLE_LENGTH]; |
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126 | extern const uint16_t armBitRevIndexTable_fixed_512[ARMBITREVINDEXTABLE_FIXED__512_TABLE_LENGTH]; |
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127 | extern const uint16_t armBitRevIndexTable_fixed_1024[ARMBITREVINDEXTABLE_FIXED_1024_TABLE_LENGTH]; |
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128 | extern const uint16_t armBitRevIndexTable_fixed_2048[ARMBITREVINDEXTABLE_FIXED_2048_TABLE_LENGTH]; |
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129 | extern const uint16_t armBitRevIndexTable_fixed_4096[ARMBITREVINDEXTABLE_FIXED_4096_TABLE_LENGTH]; |
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130 | |
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131 | /* Tables for Fast Math Sine and Cosine */ |
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132 | extern const float32_t sinTable_f32[FAST_MATH_TABLE_SIZE + 1]; |
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133 | extern const q31_t sinTable_q31[FAST_MATH_TABLE_SIZE + 1]; |
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134 | extern const q15_t sinTable_q15[FAST_MATH_TABLE_SIZE + 1]; |
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135 | |
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136 | #endif /* ARM_COMMON_TABLES_H */ |
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