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881 lines
26 KiB
C
881 lines
26 KiB
C
/******************************************************************************
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* @file basic_math_functions.h
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* @brief Public header file for CMSIS DSP Library
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* @version V1.10.0
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* @date 08 July 2021
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* Target Processor: Cortex-M and Cortex-A cores
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******************************************************************************/
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/*
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* Copyright (c) 2010-2020 Arm Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _BASIC_MATH_FUNCTIONS_H_
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#define _BASIC_MATH_FUNCTIONS_H_
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#include "arm_math_types.h"
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#include "arm_math_memory.h"
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#include "dsp/none.h"
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#include "dsp/utils.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/**
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* @defgroup groupMath Basic Math Functions
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*/
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/**
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* @brief Q7 vector multiplication.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_mult_q7(
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const q7_t * pSrcA,
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const q7_t * pSrcB,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q15 vector multiplication.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_mult_q15(
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const q15_t * pSrcA,
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const q15_t * pSrcB,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q31 vector multiplication.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_mult_q31(
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const q31_t * pSrcA,
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const q31_t * pSrcB,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector multiplication.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_mult_f32(
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const float32_t * pSrcA,
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const float32_t * pSrcB,
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float32_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector multiplication.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_mult_f64(
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const float64_t * pSrcA,
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const float64_t * pSrcB,
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float64_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector addition.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_add_f32(
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const float32_t * pSrcA,
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const float32_t * pSrcB,
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float32_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector addition.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_add_f64(
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const float64_t * pSrcA,
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const float64_t * pSrcB,
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float64_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q7 vector addition.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_add_q7(
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const q7_t * pSrcA,
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const q7_t * pSrcB,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q15 vector addition.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_add_q15(
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const q15_t * pSrcA,
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const q15_t * pSrcB,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q31 vector addition.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_add_q31(
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const q31_t * pSrcA,
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const q31_t * pSrcB,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector subtraction.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_sub_f32(
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const float32_t * pSrcA,
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const float32_t * pSrcB,
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float32_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector subtraction.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_sub_f64(
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const float64_t * pSrcA,
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const float64_t * pSrcB,
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float64_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q7 vector subtraction.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_sub_q7(
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const q7_t * pSrcA,
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const q7_t * pSrcB,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q15 vector subtraction.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_sub_q15(
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const q15_t * pSrcA,
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const q15_t * pSrcB,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q31 vector subtraction.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_sub_q31(
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const q31_t * pSrcA,
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const q31_t * pSrcB,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Multiplies a floating-point vector by a scalar.
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* @param[in] pSrc points to the input vector
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* @param[in] scale scale factor to be applied
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_scale_f32(
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const float32_t * pSrc,
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float32_t scale,
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float32_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Multiplies a floating-point vector by a scalar.
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* @param[in] pSrc points to the input vector
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* @param[in] scale scale factor to be applied
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_scale_f64(
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const float64_t * pSrc,
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float64_t scale,
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float64_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Multiplies a Q7 vector by a scalar.
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* @param[in] pSrc points to the input vector
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* @param[in] scaleFract fractional portion of the scale value
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* @param[in] shift number of bits to shift the result by
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_scale_q7(
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const q7_t * pSrc,
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q7_t scaleFract,
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int8_t shift,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Multiplies a Q15 vector by a scalar.
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* @param[in] pSrc points to the input vector
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* @param[in] scaleFract fractional portion of the scale value
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* @param[in] shift number of bits to shift the result by
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_scale_q15(
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const q15_t * pSrc,
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q15_t scaleFract,
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int8_t shift,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Multiplies a Q31 vector by a scalar.
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* @param[in] pSrc points to the input vector
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* @param[in] scaleFract fractional portion of the scale value
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* @param[in] shift number of bits to shift the result by
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_scale_q31(
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const q31_t * pSrc,
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q31_t scaleFract,
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int8_t shift,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q7 vector absolute value.
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* @param[in] pSrc points to the input buffer
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* @param[out] pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_abs_q7(
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const q7_t * pSrc,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector absolute value.
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* @param[in] pSrc points to the input buffer
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* @param[out] pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_abs_f32(
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const float32_t * pSrc,
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float32_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Floating-point vector absolute value.
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* @param[in] pSrc points to the input buffer
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* @param[out] pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_abs_f64(
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const float64_t * pSrc,
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float64_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q15 vector absolute value.
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* @param[in] pSrc points to the input buffer
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* @param[out] pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_abs_q15(
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const q15_t * pSrc,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Q31 vector absolute value.
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* @param[in] pSrc points to the input buffer
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* @param[out] pDst points to the output buffer
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* @param[in] blockSize number of samples in each vector
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*/
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void arm_abs_q31(
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const q31_t * pSrc,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Dot product of floating-point vectors.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[in] blockSize number of samples in each vector
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* @param[out] result output result returned here
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*/
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void arm_dot_prod_f32(
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const float32_t * pSrcA,
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const float32_t * pSrcB,
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uint32_t blockSize,
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float32_t * result);
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/**
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* @brief Dot product of floating-point vectors.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[in] blockSize number of samples in each vector
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* @param[out] result output result returned here
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*/
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void arm_dot_prod_f64(
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const float64_t * pSrcA,
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const float64_t * pSrcB,
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uint32_t blockSize,
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float64_t * result);
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/**
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* @brief Dot product of Q7 vectors.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[in] blockSize number of samples in each vector
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* @param[out] result output result returned here
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*/
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void arm_dot_prod_q7(
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const q7_t * pSrcA,
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const q7_t * pSrcB,
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uint32_t blockSize,
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q31_t * result);
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/**
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* @brief Dot product of Q15 vectors.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[in] blockSize number of samples in each vector
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* @param[out] result output result returned here
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*/
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void arm_dot_prod_q15(
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const q15_t * pSrcA,
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const q15_t * pSrcB,
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uint32_t blockSize,
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q63_t * result);
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/**
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* @brief Dot product of Q31 vectors.
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* @param[in] pSrcA points to the first input vector
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* @param[in] pSrcB points to the second input vector
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* @param[in] blockSize number of samples in each vector
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* @param[out] result output result returned here
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*/
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void arm_dot_prod_q31(
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const q31_t * pSrcA,
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const q31_t * pSrcB,
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uint32_t blockSize,
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q63_t * result);
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/**
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* @brief Shifts the elements of a Q7 vector a specified number of bits.
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* @param[in] pSrc points to the input vector
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* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_shift_q7(
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const q7_t * pSrc,
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int8_t shiftBits,
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q7_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Shifts the elements of a Q15 vector a specified number of bits.
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* @param[in] pSrc points to the input vector
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* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_shift_q15(
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const q15_t * pSrc,
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int8_t shiftBits,
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q15_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Shifts the elements of a Q31 vector a specified number of bits.
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* @param[in] pSrc points to the input vector
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* @param[in] shiftBits number of bits to shift. A positive value shifts left; a negative value shifts right.
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_shift_q31(
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const q31_t * pSrc,
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int8_t shiftBits,
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q31_t * pDst,
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uint32_t blockSize);
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/**
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* @brief Adds a constant offset to a floating-point vector.
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* @param[in] pSrc points to the input vector
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* @param[in] offset is the offset to be added
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* @param[out] pDst points to the output vector
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* @param[in] blockSize number of samples in the vector
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*/
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void arm_offset_f64(
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const float64_t * pSrc,
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float64_t offset,
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float64_t * pDst,
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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_f32(
|
|
const float32_t * pSrc,
|
|
float32_t offset,
|
|
float32_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
|
|
/**
|
|
* @brief Adds a constant offset to a Q7 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_q7(
|
|
const q7_t * pSrc,
|
|
q7_t offset,
|
|
q7_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
/**
|
|
* @brief Adds a constant offset to a Q15 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_q15(
|
|
const q15_t * pSrc,
|
|
q15_t offset,
|
|
q15_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
/**
|
|
* @brief Adds a constant offset to a Q31 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_q31(
|
|
const q31_t * pSrc,
|
|
q31_t offset,
|
|
q31_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_f32(
|
|
const float32_t * pSrc,
|
|
float32_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_f64(
|
|
const float64_t * pSrc,
|
|
float64_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
|
|
/**
|
|
* @brief Negates the elements of a Q7 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_q7(
|
|
const q7_t * pSrc,
|
|
q7_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
/**
|
|
* @brief Negates the elements of a Q15 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_q15(
|
|
const q15_t * pSrc,
|
|
q15_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
|
|
/**
|
|
* @brief Negates the elements of a Q31 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_q31(
|
|
const q31_t * pSrc,
|
|
q31_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise AND of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_and_u16(
|
|
const uint16_t * pSrcA,
|
|
const uint16_t * pSrcB,
|
|
uint16_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise AND of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_and_u32(
|
|
const uint32_t * pSrcA,
|
|
const uint32_t * pSrcB,
|
|
uint32_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise AND of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_and_u8(
|
|
const uint8_t * pSrcA,
|
|
const uint8_t * pSrcB,
|
|
uint8_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise OR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_or_u16(
|
|
const uint16_t * pSrcA,
|
|
const uint16_t * pSrcB,
|
|
uint16_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise OR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_or_u32(
|
|
const uint32_t * pSrcA,
|
|
const uint32_t * pSrcB,
|
|
uint32_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise OR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_or_u8(
|
|
const uint8_t * pSrcA,
|
|
const uint8_t * pSrcB,
|
|
uint8_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise NOT of a fixed-point vector.
|
|
* @param[in] pSrc points to input vector
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_not_u16(
|
|
const uint16_t * pSrc,
|
|
uint16_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise NOT of a fixed-point vector.
|
|
* @param[in] pSrc points to input vector
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_not_u32(
|
|
const uint32_t * pSrc,
|
|
uint32_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise NOT of a fixed-point vector.
|
|
* @param[in] pSrc points to input vector
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_not_u8(
|
|
const uint8_t * pSrc,
|
|
uint8_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise XOR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_xor_u16(
|
|
const uint16_t * pSrcA,
|
|
const uint16_t * pSrcB,
|
|
uint16_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise XOR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_xor_u32(
|
|
const uint32_t * pSrcA,
|
|
const uint32_t * pSrcB,
|
|
uint32_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
* @brief Compute the logical bitwise XOR of two fixed-point vectors.
|
|
* @param[in] pSrcA points to input vector A
|
|
* @param[in] pSrcB points to input vector B
|
|
* @param[out] pDst points to output vector
|
|
* @param[in] blockSize number of samples in each vector
|
|
* @return none
|
|
*/
|
|
void arm_xor_u8(
|
|
const uint8_t * pSrcA,
|
|
const uint8_t * pSrcB,
|
|
uint8_t * pDst,
|
|
uint32_t blockSize);
|
|
|
|
/**
|
|
@brief Elementwise floating-point clipping
|
|
@param[in] pSrc points to input values
|
|
@param[out] pDst points to output clipped values
|
|
@param[in] low lower bound
|
|
@param[in] high higher bound
|
|
@param[in] numSamples number of samples to clip
|
|
@return none
|
|
*/
|
|
|
|
void arm_clip_f32(const float32_t * pSrc,
|
|
float32_t * pDst,
|
|
float32_t low,
|
|
float32_t high,
|
|
uint32_t numSamples);
|
|
|
|
/**
|
|
@brief Elementwise fixed-point clipping
|
|
@param[in] pSrc points to input values
|
|
@param[out] pDst points to output clipped values
|
|
@param[in] low lower bound
|
|
@param[in] high higher bound
|
|
@param[in] numSamples number of samples to clip
|
|
@return none
|
|
*/
|
|
|
|
void arm_clip_q31(const q31_t * pSrc,
|
|
q31_t * pDst,
|
|
q31_t low,
|
|
q31_t high,
|
|
uint32_t numSamples);
|
|
|
|
/**
|
|
@brief Elementwise fixed-point clipping
|
|
@param[in] pSrc points to input values
|
|
@param[out] pDst points to output clipped values
|
|
@param[in] low lower bound
|
|
@param[in] high higher bound
|
|
@param[in] numSamples number of samples to clip
|
|
@return none
|
|
*/
|
|
|
|
void arm_clip_q15(const q15_t * pSrc,
|
|
q15_t * pDst,
|
|
q15_t low,
|
|
q15_t high,
|
|
uint32_t numSamples);
|
|
|
|
/**
|
|
@brief Elementwise fixed-point clipping
|
|
@param[in] pSrc points to input values
|
|
@param[out] pDst points to output clipped values
|
|
@param[in] low lower bound
|
|
@param[in] high higher bound
|
|
@param[in] numSamples number of samples to clip
|
|
@return none
|
|
*/
|
|
|
|
void arm_clip_q7(const q7_t * pSrc,
|
|
q7_t * pDst,
|
|
q7_t low,
|
|
q7_t high,
|
|
uint32_t numSamples);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ifndef _BASIC_MATH_FUNCTIONS_H_ */
|