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346 lines
11 KiB
C
346 lines
11 KiB
C
/******************************************************************************
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* @file complex_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 _COMPLEX_MATH_FUNCTIONS_H_
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#define _COMPLEX_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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#include "dsp/fast_math_functions.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 groupCmplxMath Complex Math Functions
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* This set of functions operates on complex data vectors.
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* The data in the complex arrays is stored in an interleaved fashion
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* (real, imag, real, imag, ...).
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* In the API functions, the number of samples in a complex array refers
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* to the number of complex values; the array contains twice this number of
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* real values.
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*/
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/**
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* @brief Floating-point complex conjugate.
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* @param[in] pSrc points to the input vector
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* @param[out] pDst points to the output vector
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* @param[in] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_conj_f32(
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const float32_t * pSrc,
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float32_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q31 complex conjugate.
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* @param[in] pSrc points to the input vector
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* @param[out] pDst points to the output vector
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* @param[in] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_conj_q31(
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const q31_t * pSrc,
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q31_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex conjugate.
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* @param[in] pSrc points to the input vector
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* @param[out] pDst points to the output vector
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* @param[in] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_conj_q15(
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const q15_t * pSrc,
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q15_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Floating-point complex magnitude squared
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_squared_f32(
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const float32_t * pSrc,
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float32_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Floating-point complex magnitude squared
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_squared_f64(
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const float64_t * pSrc,
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float64_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q31 complex magnitude squared
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_squared_q31(
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const q31_t * pSrc,
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q31_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex magnitude squared
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_squared_q15(
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const q15_t * pSrc,
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q15_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Floating-point complex magnitude
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_f32(
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const float32_t * pSrc,
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float32_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Floating-point complex magnitude
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_f64(
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const float64_t * pSrc,
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float64_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q31 complex magnitude
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_q31(
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const q31_t * pSrc,
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q31_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex magnitude
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_q15(
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const q15_t * pSrc,
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q15_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex magnitude
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* @param[in] pSrc points to the complex input vector
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* @param[out] pDst points to the real output vector
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* @param[in] numSamples number of complex samples in the input vector
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*/
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void arm_cmplx_mag_fast_q15(
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const q15_t * pSrc,
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q15_t * pDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex dot product
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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] numSamples number of complex samples in each vector
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* @param[out] realResult real part of the result returned here
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* @param[out] imagResult imaginary part of the result returned here
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*/
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void arm_cmplx_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 numSamples,
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q31_t * realResult,
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q31_t * imagResult);
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/**
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* @brief Q31 complex dot product
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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] numSamples number of complex samples in each vector
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* @param[out] realResult real part of the result returned here
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* @param[out] imagResult imaginary part of the result returned here
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*/
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void arm_cmplx_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 numSamples,
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q63_t * realResult,
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q63_t * imagResult);
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/**
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* @brief Floating-point complex dot product
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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] numSamples number of complex samples in each vector
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* @param[out] realResult real part of the result returned here
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* @param[out] imagResult imaginary part of the result returned here
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*/
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void arm_cmplx_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 numSamples,
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float32_t * realResult,
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float32_t * imagResult);
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/**
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* @brief Q15 complex-by-real multiplication
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* @param[in] pSrcCmplx points to the complex input vector
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* @param[in] pSrcReal points to the real input vector
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* @param[out] pCmplxDst points to the complex output vector
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* @param[in] numSamples number of samples in each vector
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*/
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void arm_cmplx_mult_real_q15(
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const q15_t * pSrcCmplx,
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const q15_t * pSrcReal,
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q15_t * pCmplxDst,
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uint32_t numSamples);
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/**
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* @brief Q31 complex-by-real multiplication
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* @param[in] pSrcCmplx points to the complex input vector
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* @param[in] pSrcReal points to the real input vector
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* @param[out] pCmplxDst points to the complex output vector
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* @param[in] numSamples number of samples in each vector
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*/
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void arm_cmplx_mult_real_q31(
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const q31_t * pSrcCmplx,
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const q31_t * pSrcReal,
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q31_t * pCmplxDst,
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uint32_t numSamples);
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/**
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* @brief Floating-point complex-by-real multiplication
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* @param[in] pSrcCmplx points to the complex input vector
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* @param[in] pSrcReal points to the real input vector
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* @param[out] pCmplxDst points to the complex output vector
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* @param[in] numSamples number of samples in each vector
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*/
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void arm_cmplx_mult_real_f32(
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const float32_t * pSrcCmplx,
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const float32_t * pSrcReal,
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float32_t * pCmplxDst,
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uint32_t numSamples);
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/**
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* @brief Q15 complex-by-complex 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] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_mult_cmplx_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 numSamples);
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/**
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* @brief Q31 complex-by-complex 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] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_mult_cmplx_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 numSamples);
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/**
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* @brief Floating-point complex-by-complex 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] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_mult_cmplx_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 numSamples);
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/**
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* @brief Floating-point complex-by-complex 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] numSamples number of complex samples in each vector
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*/
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void arm_cmplx_mult_cmplx_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 numSamples);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ifndef _COMPLEX_MATH_FUNCTIONS_H_ */
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