1 /* ---------------------------------------------------------------------- 2 * Project: CMSIS DSP Library 3 * Title: arm_mve_tables_f16.h 4 * Description: common tables like fft twiddle factors, Bitreverse, reciprocal etc 5 * used for MVE implementation only 6 * 7 * @version V1.9.0 8 * @date 23 April 2021 9 * 10 * Target Processor: Cortex-M and Cortex-A cores 11 * -------------------------------------------------------------------- */ 12 /* 13 * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved. 14 * 15 * SPDX-License-Identifier: Apache-2.0 16 * 17 * Licensed under the Apache License, Version 2.0 (the License); you may 18 * not use this file except in compliance with the License. 19 * You may obtain a copy of the License at 20 * 21 * www.apache.org/licenses/LICENSE-2.0 22 * 23 * Unless required by applicable law or agreed to in writing, software 24 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 25 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 26 * See the License for the specific language governing permissions and 27 * limitations under the License. 28 */ 29 30 #ifndef _ARM_MVE_TABLES_F16_H 31 #define _ARM_MVE_TABLES_F16_H 32 33 #include "arm_math_types_f16.h" 34 35 #ifdef __cplusplus 36 extern "C" 37 { 38 #endif 39 40 41 42 43 #if defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) 44 45 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) 46 47 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_16) || defined(ARM_TABLE_TWIDDLECOEF_F16_32) 48 49 extern uint32_t rearranged_twiddle_tab_stride1_arr_16_f16[2]; 50 extern uint32_t rearranged_twiddle_tab_stride2_arr_16_f16[2]; 51 extern uint32_t rearranged_twiddle_tab_stride3_arr_16_f16[2]; 52 extern float16_t rearranged_twiddle_stride1_16_f16[8]; 53 extern float16_t rearranged_twiddle_stride2_16_f16[8]; 54 extern float16_t rearranged_twiddle_stride3_16_f16[8]; 55 #endif 56 57 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_64) || defined(ARM_TABLE_TWIDDLECOEF_F16_128) 58 59 extern uint32_t rearranged_twiddle_tab_stride1_arr_64_f16[3]; 60 extern uint32_t rearranged_twiddle_tab_stride2_arr_64_f16[3]; 61 extern uint32_t rearranged_twiddle_tab_stride3_arr_64_f16[3]; 62 extern float16_t rearranged_twiddle_stride1_64_f16[40]; 63 extern float16_t rearranged_twiddle_stride2_64_f16[40]; 64 extern float16_t rearranged_twiddle_stride3_64_f16[40]; 65 #endif 66 67 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_256) || defined(ARM_TABLE_TWIDDLECOEF_F16_512) 68 69 extern uint32_t rearranged_twiddle_tab_stride1_arr_256_f16[4]; 70 extern uint32_t rearranged_twiddle_tab_stride2_arr_256_f16[4]; 71 extern uint32_t rearranged_twiddle_tab_stride3_arr_256_f16[4]; 72 extern float16_t rearranged_twiddle_stride1_256_f16[168]; 73 extern float16_t rearranged_twiddle_stride2_256_f16[168]; 74 extern float16_t rearranged_twiddle_stride3_256_f16[168]; 75 #endif 76 77 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_1024) || defined(ARM_TABLE_TWIDDLECOEF_F16_2048) 78 79 extern uint32_t rearranged_twiddle_tab_stride1_arr_1024_f16[5]; 80 extern uint32_t rearranged_twiddle_tab_stride2_arr_1024_f16[5]; 81 extern uint32_t rearranged_twiddle_tab_stride3_arr_1024_f16[5]; 82 extern float16_t rearranged_twiddle_stride1_1024_f16[680]; 83 extern float16_t rearranged_twiddle_stride2_1024_f16[680]; 84 extern float16_t rearranged_twiddle_stride3_1024_f16[680]; 85 #endif 86 87 #if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_4096) || defined(ARM_TABLE_TWIDDLECOEF_F16_8192) 88 89 extern uint32_t rearranged_twiddle_tab_stride1_arr_4096_f16[6]; 90 extern uint32_t rearranged_twiddle_tab_stride2_arr_4096_f16[6]; 91 extern uint32_t rearranged_twiddle_tab_stride3_arr_4096_f16[6]; 92 extern float16_t rearranged_twiddle_stride1_4096_f16[2728]; 93 extern float16_t rearranged_twiddle_stride2_4096_f16[2728]; 94 extern float16_t rearranged_twiddle_stride3_4096_f16[2728]; 95 #endif 96 97 98 #endif /* !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) */ 99 100 #endif /* defined(ARM_MATH_MVEF) && !defined(ARM_MATH_AUTOVECTORIZE) */ 101 102 103 104 #ifdef __cplusplus 105 } 106 #endif 107 108 #endif /*_ARM_MVE_TABLES_F16_H*/ 109 110
