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Drivers/CMSIS/DSP/Include/dsp/interpolation_functions_f16.h

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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_ */