matrix.h

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/*
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef MATRIX_H
#define MATRIX_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
// function prototypes
 
void f3x3matrixAeqI(
    float A[][3]
);
void f3x3matrixAeqB(
    float A[][3], 
    float B[][3]
);
void fmatrixAeqI(
    float *A[],                 
    int16_t rc                    
);
void f3x3matrixAeqScalar(
    float A[][3], 
    float Scalar
);
void f3x3matrixAeqInvSymB(
    float A[][3], 
    float B[][3]
);
void f3x3matrixAeqAxScalar(
    float A[][3], 
    float Scalar
);
void f3x3matrixAeqMinusA(
    float A[][3]
);
float f3x3matrixDetA(
    float A[][3]
);
void fEigenCompute10(
    float A[][10],              
    float eigval[],             
    float eigvec[][10],         
    int8_t n                      
);
void fEigenCompute4(
    float A[][4], 
    float eigval[],             
    float eigvec[][4],          
    int8_t n                      
);
void fComputeEigSlice(
    float fmatA[10][10], 
    float fmatB[10][10], 
    float fvecA[10], 
    int8_t i, 
    int8_t j, 
    int8_t iMatrixSize
);
void fmatrixAeqInvA(
    float *A[], 
    int8_t iColInd[], 
    int8_t iRowInd[], 
    int8_t iPivot[], 
    int8_t isize, 
    int8_t* pierror
);
void fveqRu(
    float fv[],         
    float fR[][3],      
    float fu[],         
    int8_t itranspose     
);
void fVeq3x3AxV(
    float V[3],         
    float A[][3]
);
 
#ifdef __cplusplus
}
#endif
 
#endif   // #ifndef MATRIX_H