1 /* ---------------------------------------------------------------------- 2 * Project: CMSIS DSP Library 3 * Title: arm_common_tables_f16.h 4 * Description: Extern declaration for common tables 5 * 6 * @version V1.10.0 7 * @date 08 July 2021 8 * 9 * Target Processor: Cortex-M and Cortex-A cores 10 * -------------------------------------------------------------------- */ 11 /* 12 * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved. 13 * 14 * SPDX-License-Identifier: Apache-2.0 15 * 16 * Licensed under the Apache License, Version 2.0 (the License); you may 17 * not use this file except in compliance with the License. 18 * You may obtain a copy of the License at 19 * 20 * www.apache.org/licenses/LICENSE-2.0 21 * 22 * Unless required by applicable law or agreed to in writing, software 23 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 24 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 25 * See the License for the specific language governing permissions and 26 * limitations under the License. 27 */ 28 29 #ifndef _ARM_COMMON_TABLES_F16_H 30 #define _ARM_COMMON_TABLES_F16_H 31 32 #include "arm_math_types_f16.h" 33 34 #ifdef __cplusplus 35 extern "C" 36 { 37 #endif 38 39 40 /* F16 */ 41 #if !defined(__CC_ARM) && defined(ARM_FLOAT16_SUPPORTED) 42 extern const float16_t twiddleCoefF16_16[32]; 43 44 extern const float16_t twiddleCoefF16_32[64]; 45 46 extern const float16_t twiddleCoefF16_64[128]; 47 48 extern const float16_t twiddleCoefF16_128[256]; 49 50 extern const float16_t twiddleCoefF16_256[512]; 51 52 extern const float16_t twiddleCoefF16_512[1024]; 53 54 extern const float16_t twiddleCoefF16_1024[2048]; 55 56 extern const float16_t twiddleCoefF16_2048[4096]; 57 58 extern const float16_t twiddleCoefF16_4096[8192]; 59 #define twiddleCoefF16 twiddleCoefF16_4096 60 61 62 extern const float16_t twiddleCoefF16_rfft_32[32]; 63 64 extern const float16_t twiddleCoefF16_rfft_64[64]; 65 66 extern const float16_t twiddleCoefF16_rfft_128[128]; 67 68 extern const float16_t twiddleCoefF16_rfft_256[256]; 69 70 extern const float16_t twiddleCoefF16_rfft_512[512]; 71 72 extern const float16_t twiddleCoefF16_rfft_1024[1024]; 73 74 extern const float16_t twiddleCoefF16_rfft_2048[2048]; 75 76 extern const float16_t twiddleCoefF16_rfft_4096[4096]; 77 78 #endif /* ARMAC5 */ 79 80 81 #if !defined(__CC_ARM) && defined(ARM_FLOAT16_SUPPORTED) 82 #if (defined(ARM_MATH_MVEF) || defined(ARM_MATH_HELIUM)) && !defined(ARM_MATH_AUTOVECTORIZE) 83 extern const float16_t exp_tab_f16[8]; 84 extern const float16_t __logf_lut_f16[8]; 85 #endif 86 #endif 87 88 89 #ifdef __cplusplus 90 } 91 #endif 92 93 #endif /* _ARM_COMMON_TABLES_F16_H */ 94 95 96
