matrix.h

// Copyright (c) 2014, 2015, Freescale Semiconductor, Inc.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of Freescale Semiconductor, Inc. nor the
//       names of its contributors may be used to endorse or promote products
//       derived from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL FREESCALE SEMICONDUCTOR, INC. BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#ifndef MATRIX_H
#define MATRIX_H

// function prototypes
void f3x3matrixAeqI(float A[][3]);
void f3x3matrixAeqB(float A[][3], float B[][3]);
void fmatrixAeqI(float *A[], int16 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 eigencompute10(float A[][10], float eigval[], float eigvec[][10], int8 n);
void eigencompute4(float A[][4], float eigval[], float eigvec[][4], int8 n);
void fmatrixAeqInvA(float *A[], int8 iColInd[], int8 iRowInd[], int8 iPivot[], int8 isize, int8* pierror);

#endif   // #ifndef MATRIX_H