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/******************************************************************************
* @file complex_math_functions.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 _COMPLEX_MATH_FUNCTIONS_H_
#define _COMPLEX_MATH_FUNCTIONS_H_
#include "arm_math_types.h"
#include "arm_math_memory.h"
#include "dsp/none.h"
#include "dsp/utils.h"
#include "dsp/fast_math_functions.h"
#ifdef __cplusplus
extern "C"
{
#endif
/**
* @defgroup groupCmplxMath Complex Math Functions
* This set of functions operates on complex data vectors.
* The data in the complex arrays is stored in an interleaved fashion
* (real, imag, real, imag, ...).
* In the API functions, the number of samples in a complex array refers
* to the number of complex values; the array contains twice this number of
* real values.
*/
/**
* @brief Floating-point complex conjugate.
* @param[in] pSrc points to the input vector
* @param[out] pDst points to the output vector
* @param[in] numSamples number of complex samples in each vector
*/
void arm_cmplx_conj_f32(
const float32_t * pSrc,
float32_t * pDst,
uint32_t numSamples);
/**
* @brief Q31 complex conjugate.
* @param[in] pSrc points to the input vector
* @param[out] pDst points to the output vector
* @param[in] numSamples number of complex samples in each vector
*/
void arm_cmplx_conj_q31(
const q31_t * pSrc,
q31_t * pDst,
uint32_t numSamples);
/**
* @brief Q15 complex conjugate.
* @param[in] pSrc points to the input vector
* @param[out] pDst points to the output vector
* @param[in] numSamples number of complex samples in each vector
*/
void arm_cmplx_conj_q15(
const q15_t * pSrc,
q15_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex magnitude squared
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_squared_f32(
const float32_t * pSrc,
float32_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex magnitude squared
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_squared_f64(
const float64_t * pSrc,
float64_t * pDst,
uint32_t numSamples);
/**
* @brief Q31 complex magnitude squared
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_squared_q31(
const q31_t * pSrc,
q31_t * pDst,
uint32_t numSamples);
/**
* @brief Q15 complex magnitude squared
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_squared_q15(
const q15_t * pSrc,
q15_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex magnitude
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_f32(
const float32_t * pSrc,
float32_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex magnitude
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_f64(
const float64_t * pSrc,
float64_t * pDst,
uint32_t numSamples);
/**
* @brief Q31 complex magnitude
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_q31(
const q31_t * pSrc,
q31_t * pDst,
uint32_t numSamples);
/**
* @brief Q15 complex magnitude
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_q15(
const q15_t * pSrc,
q15_t * pDst,
uint32_t numSamples);
/**
* @brief Q15 complex magnitude
* @param[in] pSrc points to the complex input vector
* @param[out] pDst points to the real output vector
* @param[in] numSamples number of complex samples in the input vector
*/
void arm_cmplx_mag_fast_q15(
const q15_t * pSrc,
q15_t * pDst,
uint32_t numSamples);
/**
* @brief Q15 complex dot product
* @param[in] pSrcA points to the first input vector
* @param[in] pSrcB points to the second input vector
* @param[in] numSamples number of complex samples in each vector
* @param[out] realResult real part of the result returned here
* @param[out] imagResult imaginary part of the result returned here
*/
void arm_cmplx_dot_prod_q15(
const q15_t * pSrcA,
const q15_t * pSrcB,
uint32_t numSamples,
q31_t * realResult,
q31_t * imagResult);
/**
* @brief Q31 complex dot product
* @param[in] pSrcA points to the first input vector
* @param[in] pSrcB points to the second input vector
* @param[in] numSamples number of complex samples in each vector
* @param[out] realResult real part of the result returned here
* @param[out] imagResult imaginary part of the result returned here
*/
void arm_cmplx_dot_prod_q31(
const q31_t * pSrcA,
const q31_t * pSrcB,
uint32_t numSamples,
q63_t * realResult,
q63_t * imagResult);
/**
* @brief Floating-point complex dot product
* @param[in] pSrcA points to the first input vector
* @param[in] pSrcB points to the second input vector
* @param[in] numSamples number of complex samples in each vector
* @param[out] realResult real part of the result returned here
* @param[out] imagResult imaginary part of the result returned here
*/
void arm_cmplx_dot_prod_f32(
const float32_t * pSrcA,
const float32_t * pSrcB,
uint32_t numSamples,
float32_t * realResult,
float32_t * imagResult);
/**
* @brief Q15 complex-by-real multiplication
* @param[in] pSrcCmplx points to the complex input vector
* @param[in] pSrcReal points to the real input vector
* @param[out] pCmplxDst points to the complex output vector
* @param[in] numSamples number of samples in each vector
*/
void arm_cmplx_mult_real_q15(
const q15_t * pSrcCmplx,
const q15_t * pSrcReal,
q15_t * pCmplxDst,
uint32_t numSamples);
/**
* @brief Q31 complex-by-real multiplication
* @param[in] pSrcCmplx points to the complex input vector
* @param[in] pSrcReal points to the real input vector
* @param[out] pCmplxDst points to the complex output vector
* @param[in] numSamples number of samples in each vector
*/
void arm_cmplx_mult_real_q31(
const q31_t * pSrcCmplx,
const q31_t * pSrcReal,
q31_t * pCmplxDst,
uint32_t numSamples);
/**
* @brief Floating-point complex-by-real multiplication
* @param[in] pSrcCmplx points to the complex input vector
* @param[in] pSrcReal points to the real input vector
* @param[out] pCmplxDst points to the complex output vector
* @param[in] numSamples number of samples in each vector
*/
void arm_cmplx_mult_real_f32(
const float32_t * pSrcCmplx,
const float32_t * pSrcReal,
float32_t * pCmplxDst,
uint32_t numSamples);
/**
* @brief Q15 complex-by-complex 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] numSamples number of complex samples in each vector
*/
void arm_cmplx_mult_cmplx_q15(
const q15_t * pSrcA,
const q15_t * pSrcB,
q15_t * pDst,
uint32_t numSamples);
/**
* @brief Q31 complex-by-complex 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] numSamples number of complex samples in each vector
*/
void arm_cmplx_mult_cmplx_q31(
const q31_t * pSrcA,
const q31_t * pSrcB,
q31_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex-by-complex 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] numSamples number of complex samples in each vector
*/
void arm_cmplx_mult_cmplx_f32(
const float32_t * pSrcA,
const float32_t * pSrcB,
float32_t * pDst,
uint32_t numSamples);
/**
* @brief Floating-point complex-by-complex 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] numSamples number of complex samples in each vector
*/
void arm_cmplx_mult_cmplx_f64(
const float64_t * pSrcA,
const float64_t * pSrcB,
float64_t * pDst,
uint32_t numSamples);
#ifdef __cplusplus
}
#endif
#endif /* ifndef _COMPLEX_MATH_FUNCTIONS_H_ */
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