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2025-09-05 10:30:26 +02:00
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Drivers/CMSIS/DSP/Include/arm_mve_tables_f16.h Normal file
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/* ----------------------------------------------------------------------
* Project: CMSIS DSP Library
* Title: arm_mve_tables_f16.h
* Description: common tables like fft twiddle factors, Bitreverse, reciprocal etc
* used for MVE implementation only
*
* @version V1.10.0
* @date 04 October 2021
*
* Target Processor: Cortex-M and Cortex-A cores
* -------------------------------------------------------------------- */
/*
* Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _ARM_MVE_TABLES_F16_H
#define _ARM_MVE_TABLES_F16_H
#include "arm_math_types_f16.h"
#ifdef __cplusplus
extern "C"
{
#endif
#if defined(ARM_MATH_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE)
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES)
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_16) || defined(ARM_TABLE_TWIDDLECOEF_F16_32)
extern uint32_t rearranged_twiddle_tab_stride1_arr_16_f16[2];
extern uint32_t rearranged_twiddle_tab_stride2_arr_16_f16[2];
extern uint32_t rearranged_twiddle_tab_stride3_arr_16_f16[2];
extern float16_t rearranged_twiddle_stride1_16_f16[8];
extern float16_t rearranged_twiddle_stride2_16_f16[8];
extern float16_t rearranged_twiddle_stride3_16_f16[8];
#endif
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_64) || defined(ARM_TABLE_TWIDDLECOEF_F16_128)
extern uint32_t rearranged_twiddle_tab_stride1_arr_64_f16[3];
extern uint32_t rearranged_twiddle_tab_stride2_arr_64_f16[3];
extern uint32_t rearranged_twiddle_tab_stride3_arr_64_f16[3];
extern float16_t rearranged_twiddle_stride1_64_f16[40];
extern float16_t rearranged_twiddle_stride2_64_f16[40];
extern float16_t rearranged_twiddle_stride3_64_f16[40];
#endif
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_256) || defined(ARM_TABLE_TWIDDLECOEF_F16_512)
extern uint32_t rearranged_twiddle_tab_stride1_arr_256_f16[4];
extern uint32_t rearranged_twiddle_tab_stride2_arr_256_f16[4];
extern uint32_t rearranged_twiddle_tab_stride3_arr_256_f16[4];
extern float16_t rearranged_twiddle_stride1_256_f16[168];
extern float16_t rearranged_twiddle_stride2_256_f16[168];
extern float16_t rearranged_twiddle_stride3_256_f16[168];
#endif
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_1024) || defined(ARM_TABLE_TWIDDLECOEF_F16_2048)
extern uint32_t rearranged_twiddle_tab_stride1_arr_1024_f16[5];
extern uint32_t rearranged_twiddle_tab_stride2_arr_1024_f16[5];
extern uint32_t rearranged_twiddle_tab_stride3_arr_1024_f16[5];
extern float16_t rearranged_twiddle_stride1_1024_f16[680];
extern float16_t rearranged_twiddle_stride2_1024_f16[680];
extern float16_t rearranged_twiddle_stride3_1024_f16[680];
#endif
#if !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_ALL_FFT_TABLES) || defined(ARM_TABLE_TWIDDLECOEF_F16_4096) || defined(ARM_TABLE_TWIDDLECOEF_F16_8192)
extern uint32_t rearranged_twiddle_tab_stride1_arr_4096_f16[6];
extern uint32_t rearranged_twiddle_tab_stride2_arr_4096_f16[6];
extern uint32_t rearranged_twiddle_tab_stride3_arr_4096_f16[6];
extern float16_t rearranged_twiddle_stride1_4096_f16[2728];
extern float16_t rearranged_twiddle_stride2_4096_f16[2728];
extern float16_t rearranged_twiddle_stride3_4096_f16[2728];
#endif
#endif /* !defined(ARM_DSP_CONFIG_TABLES) || defined(ARM_FFT_ALLOW_TABLES) */
#endif /* defined(ARM_MATH_MVE_FLOAT16) && !defined(ARM_MATH_AUTOVECTORIZE) */
#ifdef __cplusplus
}
#endif
#endif /*_ARM_MVE_TABLES_F16_H*/