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Diffstat (limited to 'Drivers/CMSIS/DSP/Include/dsp/fast_math_functions_f16.h')
-rw-r--r-- | Drivers/CMSIS/DSP/Include/dsp/fast_math_functions_f16.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/Include/dsp/fast_math_functions_f16.h b/Drivers/CMSIS/DSP/Include/dsp/fast_math_functions_f16.h new file mode 100644 index 0000000..46ae06d --- /dev/null +++ b/Drivers/CMSIS/DSP/Include/dsp/fast_math_functions_f16.h @@ -0,0 +1,125 @@ +/****************************************************************************** + * @file fast_math_functions_f16.h + * @brief Public header file for CMSIS DSP Library + * @version V1.10.0 + * @date 08 July 2021 + * Target Processor: Cortex-M and Cortex-A cores + ******************************************************************************/ +/* + * Copyright (c) 2010-2020 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 _FAST_MATH_FUNCTIONS_F16_H_ +#define _FAST_MATH_FUNCTIONS_F16_H_ + +#include "arm_math_types_f16.h" +#include "arm_math_memory.h" + +#include "dsp/none.h" +#include "dsp/utils.h" + +/* For sqrt_f32 */ +#include "dsp/fast_math_functions.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + +#if defined(ARM_FLOAT16_SUPPORTED) + + /** + * @addtogroup SQRT + * @{ + */ + +/** + @brief Floating-point square root function. + @param[in] in input value + @param[out] pOut square root of input value + @return execution status + - \ref ARM_MATH_SUCCESS : input value is positive + - \ref ARM_MATH_ARGUMENT_ERROR : input value is negative; *pOut is set to 0 + */ +__STATIC_FORCEINLINE arm_status arm_sqrt_f16( + float16_t in, + float16_t * pOut) + { + float32_t r; + arm_status status; + status=arm_sqrt_f32((float32_t)in,&r); + *pOut=(float16_t)r; + return(status); + } + + +/** + @} end of SQRT group + */ + +/** + @brief Floating-point vector of log values. + @param[in] pSrc points to the input vector + @param[out] pDst points to the output vector + @param[in] blockSize number of samples in each vector + @return none + */ + void arm_vlog_f16( + const float16_t * pSrc, + float16_t * pDst, + uint32_t blockSize); + +/** + @brief Floating-point vector of exp values. + @param[in] pSrc points to the input vector + @param[out] pDst points to the output vector + @param[in] blockSize number of samples in each vector + @return none + */ + void arm_vexp_f16( + const float16_t * pSrc, + float16_t * pDst, + uint32_t blockSize); + + /** + @brief Floating-point vector of inverse values. + @param[in] pSrc points to the input vector + @param[out] pDst points to the output vector + @param[in] blockSize number of samples in each vector + @return none + */ + void arm_vinverse_f16( + const float16_t * pSrc, + float16_t * pDst, + uint32_t blockSize); + + /** + @brief Arc tangent in radian of y/x using sign of x and y to determine right quadrant. + @param[in] y y coordinate + @param[in] x x coordinate + @param[out] result Result + @return error status. + */ + arm_status arm_atan2_f16(float16_t y,float16_t x,float16_t *result); + +#endif /*defined(ARM_FLOAT16_SUPPORTED)*/ +#ifdef __cplusplus +} +#endif + +#endif /* ifndef _FAST_MATH_FUNCTIONS_F16_H_ */ |