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/******************************************************************************
* @file interpolation_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 _INTERPOLATION_FUNCTIONS_F16_H_
#define _INTERPOLATION_FUNCTIONS_F16_H_
#include "arm_math_types_f16.h"
#include "arm_math_memory.h"
#include "dsp/none.h"
#include "dsp/utils.h"
#ifdef __cplusplus
extern "C"
{
#endif
#if defined(ARM_FLOAT16_SUPPORTED)
typedef struct
{
uint32_t nValues; /**< nValues */
float16_t x1; /**< x1 */
float16_t xSpacing; /**< xSpacing */
float16_t *pYData; /**< pointer to the table of Y values */
} arm_linear_interp_instance_f16;
/**
* @brief Instance structure for the floating-point bilinear interpolation function.
*/
typedef struct
{
uint16_t numRows;/**< number of rows in the data table. */
uint16_t numCols;/**< number of columns in the data table. */
float16_t *pData; /**< points to the data table. */
} arm_bilinear_interp_instance_f16;
/**
* @addtogroup LinearInterpolate
* @{
*/
/**
* @brief Process function for the floating-point Linear Interpolation Function.
* @param[in,out] S is an instance of the floating-point Linear Interpolation structure
* @param[in] x input sample to process
* @return y processed output sample.
*
*/
float16_t arm_linear_interp_f16(
arm_linear_interp_instance_f16 * S,
float16_t x);
/**
* @} end of LinearInterpolate group
*/
/**
* @addtogroup BilinearInterpolate
* @{
*/
/**
* @brief Floating-point bilinear interpolation.
* @param[in,out] S points to an instance of the interpolation structure.
* @param[in] X interpolation coordinate.
* @param[in] Y interpolation coordinate.
* @return out interpolated value.
*/
float16_t arm_bilinear_interp_f16(
const arm_bilinear_interp_instance_f16 * S,
float16_t X,
float16_t Y);
/**
* @} end of BilinearInterpolate group
*/
#endif /*defined(ARM_FLOAT16_SUPPORTED)*/
#ifdef __cplusplus
}
#endif
#endif /* ifndef _INTERPOLATION_FUNCTIONS_F16_H_ */
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