CMSIS_5/CMSIS/DSP/Include/dsp/basic_math_functions_f16.h

/******************************************************************************
 * @file     basic_math_functions_f16.h
 * @brief    Public header file for CMSIS DSP Library
 * @version  V1.9.0
 * @date     20. July 2020
 ******************************************************************************/
/*
 * 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 _BASIC_MATH_FUNCTIONS_F16_H_
#define _BASIC_MATH_FUNCTIONS_F16_H_

#ifdef   __cplusplus
extern "C"
{
#endif

#include "arm_math_types_f16.h"
#include "arm_math_memory.h"

#include "dsp/none.h"
#include "dsp/utils.h"


#if defined(ARM_FLOAT16_SUPPORTED)


  /**
   * @brief Floating-point vector addition.
   * @param[in]  pSrcA      points to the first input vector
   * @param[in]  pSrcB      points to the second input vector
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in each vector
   */
  void arm_add_f16(
  const float16_t * pSrcA,
  const float16_t * pSrcB,
        float16_t * pDst,
        uint32_t blockSize);

  /**
   * @brief Floating-point vector subtraction.
   * @param[in]  pSrcA      points to the first input vector
   * @param[in]  pSrcB      points to the second input vector
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in each vector
   */
  void arm_sub_f16(
  const float16_t * pSrcA,
  const float16_t * pSrcB,
        float16_t * pDst,
        uint32_t blockSize);

    /**
   * @brief Multiplies a floating-point vector by a scalar.
   * @param[in]  pSrc       points to the input vector
   * @param[in]  scale      scale factor to be applied
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in the vector
   */
  void arm_scale_f16(
  const float16_t * pSrc,
        float16_t scale,
        float16_t * pDst,
        uint32_t blockSize);

    /**
   * @brief Floating-point vector absolute value.
   * @param[in]  pSrc       points to the input buffer
   * @param[out] pDst       points to the output buffer
   * @param[in]  blockSize  number of samples in each vector
   */
  void arm_abs_f16(
  const float16_t * pSrc,
        float16_t * pDst,
        uint32_t blockSize);


  /**
   * @brief  Adds a constant offset to a floating-point vector.
   * @param[in]  pSrc       points to the input vector
   * @param[in]  offset     is the offset to be added
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in the vector
   */
  void arm_offset_f16(
  const float16_t * pSrc,
        float16_t offset,
        float16_t * pDst,
        uint32_t blockSize);

  /**
   * @brief Dot product of floating-point vectors.
   * @param[in]  pSrcA      points to the first input vector
   * @param[in]  pSrcB      points to the second input vector
   * @param[in]  blockSize  number of samples in each vector
   * @param[out] result     output result returned here
   */
  void arm_dot_prod_f16(
  const float16_t * pSrcA,
  const float16_t * pSrcB,
        uint32_t blockSize,
        float16_t * result);

  /**
   * @brief Floating-point vector multiplication.
   * @param[in]  pSrcA      points to the first input vector
   * @param[in]  pSrcB      points to the second input vector
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in each vector
   */
  void arm_mult_f16(
  const float16_t * pSrcA,
  const float16_t * pSrcB,
        float16_t * pDst,
        uint32_t blockSize);

  /**
   * @brief  Negates the elements of a floating-point vector.
   * @param[in]  pSrc       points to the input vector
   * @param[out] pDst       points to the output vector
   * @param[in]  blockSize  number of samples in the vector
   */
  void arm_negate_f16(
  const float16_t * pSrc,
        float16_t * pDst,
        uint32_t blockSize);

#endif /* defined(ARM_FLOAT16_SUPPORTED)*/

#ifdef   __cplusplus
}
#endif

#endif /* ifndef _BASIC_MATH_FUNCTIONS_F16_H_ */