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 V1.10.0 8 * @date 04 October 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_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE) 44 45 46 47 extern const uint32_t rearranged_twiddle_tab_stride1_arr_16_f16[2]; 48 extern const uint32_t rearranged_twiddle_tab_stride2_arr_16_f16[2]; 49 extern const uint32_t rearranged_twiddle_tab_stride3_arr_16_f16[2]; 50 extern const float16_t rearranged_twiddle_stride1_16_f16[8]; 51 extern const float16_t rearranged_twiddle_stride2_16_f16[8]; 52 extern const float16_t rearranged_twiddle_stride3_16_f16[8]; 53 54 55 extern const uint32_t rearranged_twiddle_tab_stride1_arr_64_f16[3]; 56 extern const uint32_t rearranged_twiddle_tab_stride2_arr_64_f16[3]; 57 extern const uint32_t rearranged_twiddle_tab_stride3_arr_64_f16[3]; 58 extern const float16_t rearranged_twiddle_stride1_64_f16[40]; 59 extern const float16_t rearranged_twiddle_stride2_64_f16[40]; 60 extern const float16_t rearranged_twiddle_stride3_64_f16[40]; 61 62 63 extern const uint32_t rearranged_twiddle_tab_stride1_arr_256_f16[4]; 64 extern const uint32_t rearranged_twiddle_tab_stride2_arr_256_f16[4]; 65 extern const uint32_t rearranged_twiddle_tab_stride3_arr_256_f16[4]; 66 extern const float16_t rearranged_twiddle_stride1_256_f16[168]; 67 extern const float16_t rearranged_twiddle_stride2_256_f16[168]; 68 extern const float16_t rearranged_twiddle_stride3_256_f16[168]; 69 70 71 extern const uint32_t rearranged_twiddle_tab_stride1_arr_1024_f16[5]; 72 extern const uint32_t rearranged_twiddle_tab_stride2_arr_1024_f16[5]; 73 extern const uint32_t rearranged_twiddle_tab_stride3_arr_1024_f16[5]; 74 extern const float16_t rearranged_twiddle_stride1_1024_f16[680]; 75 extern const float16_t rearranged_twiddle_stride2_1024_f16[680]; 76 extern const float16_t rearranged_twiddle_stride3_1024_f16[680]; 77 78 79 extern const uint32_t rearranged_twiddle_tab_stride1_arr_4096_f16[6]; 80 extern const uint32_t rearranged_twiddle_tab_stride2_arr_4096_f16[6]; 81 extern const uint32_t rearranged_twiddle_tab_stride3_arr_4096_f16[6]; 82 extern const float16_t rearranged_twiddle_stride1_4096_f16[2728]; 83 extern const float16_t rearranged_twiddle_stride2_4096_f16[2728]; 84 extern const float16_t rearranged_twiddle_stride3_4096_f16[2728]; 85 86 87 88 #endif /* defined(ARM_MATH_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE) */ 89 90 91 92 #ifdef __cplusplus 93 } 94 #endif 95 96 #endif /*_ARM_MVE_TABLES_F16_H*/ 97 98