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// -*- C++ -*-
/**
* @brief The test file of class SquareMatrix for standard methods
*
* Copyright 2005-2025 Airbus-EDF-IMACS-ONERA-Phimeca
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "openturns/OT.hxx"
#include "openturns/OTtestcode.hxx"
using namespace OT;
using namespace OT::Test;
int main(int, char *[])
{
TESTPREAMBLE;
OStream fullprint(std::cout);
try
{
/** TEST NUMBER ZERO : DEFAULT CONSTRUCTOR AND STRING CONVERTER */
fullprint << "test number zero : default constructor and string converter" << std::endl;
/* Default constructor */
SquareMatrix squareMatrix0;
/* String converter */
fullprint << "squareMatrix0 = " << squareMatrix0 << std::endl;
/** TEST NUMBER ONE : CONSTRUCTOR WITH SIZE, OPERATOR() AND STRING CONVERTER */
fullprint << "test number one : constructor with size, operator() and string converter" << std::endl;
/* Constructor with size */
SquareMatrix squareMatrix1(2);
/* Check operator() methods */
squareMatrix1(0, 0) = 1. ;
squareMatrix1(1, 0) = 2. ;
squareMatrix1(0, 1) = 3. ;
squareMatrix1(1, 1) = 4. ;
/* String converter */
fullprint << "squareMatrix1 = " << squareMatrix1 << std::endl;
/** TEST NUMBER TWO : COPY CONSTRUCTOR AND STRING CONVERTER */
fullprint << "test number two : copy constructor and string converter" << std::endl;
/* Copy constructor */
SquareMatrix squareMatrix2(squareMatrix1);
/* String converter */
fullprint << "squareMatrix2 = " << squareMatrix2 << std::endl;
/** TEST NUMBER THREE : GET DIMENSIONS METHODS */
fullprint << "test number three : get dimensions methods" << std::endl;
/* Get dimension methods */
fullprint << "squareMatrix1's nbRows = " << squareMatrix1.getNbRows() << std::endl
<< "squareMatrix1's nbColumns = " << squareMatrix1.getNbColumns() << std::endl;
#if 0
/** TEST NUMBER FOUR : SET DIMENSIONS METHOD */
fullprint << "test number four : set dimensions method" << std::endl;
/* Set dimension methods */
squareMatrix0.setUniqueDimension(2);
fullprint << "squareMatrix0's nbRows = " << squareMatrix0.getNbRows() << std::endl
<< "squareMatrix0's nbColumns = " << squareMatrix0.getNbColumns() << std::endl;
#endif
/** TEST NUMBER FIVE : ASSIGNMENT METHOD */
fullprint << "test number five : assignment method" << std::endl;
/* Assignment method */
SquareMatrix squareMatrix3 ;
squareMatrix3 = squareMatrix1 ;
fullprint << "squareMatrix3 = " << squareMatrix3 << std::endl;
/** TEST NUMBER SIX : TRANSPOSITION METHOD */
fullprint << "test number six : transposition method" << std::endl;
/* Check transpose method */
SquareMatrix squareMatrix4 = squareMatrix1.transpose();
fullprint << "squareMatrix1 transposed = " << squareMatrix4 << std::endl;
fullprint << "squareMatrix1 transposed = " << squareMatrix1.transpose() << std::endl;
/** TEST NUMBER SEVEN : ADDITION METHOD */
fullprint << "test number seven : addition method" << std::endl;
/* Check addition method : we check the operator and the symmetry of the operator, thus testing the comparison operator */
SquareMatrix sum1 = squareMatrix1.operator + ( squareMatrix4 ) ;
SquareMatrix sum2 = squareMatrix4.operator + ( squareMatrix1 ) ;
fullprint << "sum1 = " << sum1 << std::endl;
fullprint << "sum2 = " << sum2 << std::endl;
fullprint << "sum1 equals sum2 = " << (sum1 == sum2) << std::endl;
/** TEST NUMBER EIGHT : SUBTRACTION METHOD */
fullprint << "test number eight : subtraction method" << std::endl;
/* Check subtraction method */
SquareMatrix diff = squareMatrix1.operator - ( squareMatrix4 ) ;
fullprint << "diff = " << diff << std::endl;
/** TEST NUMBER NINE : MATRIX MULTIPLICATION METHOD */
fullprint << "test number nine : matrix multiplication method" << std::endl;
/* Check multiplication method */
SquareMatrix prod = squareMatrix1.operator * ( squareMatrix4 ) ;
fullprint << "prod = " << prod << std::endl;
/** TEST NUMBER TEN : MULTIPLICATION WITH A NUMERICAL POINT METHOD */
fullprint << "test number ten : multiplication with a numerical point method" << std::endl;
/* Create the numerical point */
Point pt ;
pt.add(1.) ;
pt.add(2.) ;
fullprint << "pt = " << pt << std::endl;
/* Check the product method */
Point ptResult = squareMatrix1.operator * ( pt ) ;
fullprint << "ptResult = " << ptResult << std::endl;
/** TEST NUMBER ELEVEN : MULTIPLICATION AND DIVISION BY A NUMERICAL SCALAR METHODS */
fullprint << "test number eleven : multiplication and division by a numerical scalar methods" << std::endl;
/* Check the multiplication method */
double s = 3.;
SquareMatrix scalprod1 = squareMatrix1.operator * (s) ;
SquareMatrix scalprod2 = s * squareMatrix1 ;
fullprint << "scalprod1 = " << scalprod1 << std::endl;
fullprint << "scalprod2 = " << scalprod2 << std::endl;
fullprint << "scalprod1 equals scalprod2 = " << (scalprod1 == scalprod2) << std::endl;
/* Check the division method */
SquareMatrix scaldiv1 = squareMatrix1.operator / (s) ;
SquareMatrix scaldiv2 = squareMatrix1.operator * (1 / s) ;
fullprint << "scaldiv1 = " << scaldiv1 << std::endl;
fullprint << "scaldiv2 = " << scaldiv2 << std::endl;
fullprint << "scaldiv1 equals scaldiv2 = " << (scaldiv1 == scaldiv2) << std::endl;
/** TEST NUMBER TWELVE : ISEMPTY METHOD */
fullprint << "test number twelve : isEmpty method" << std::endl;
/* Check method isEmpty */
SquareMatrix squareMatrix5;
fullprint << "squareMatrix0 is empty = " << squareMatrix0.isEmpty() << std::endl
<< "squareMatrix1 is empty = " << squareMatrix1.isEmpty() << std::endl
<< "squareMatrix5 is empty = " << squareMatrix5.isEmpty() << std::endl;
/* Check inverse() */
SquareMatrix squareMatrix6(3);
squareMatrix6(0, 0) = 1.0;
squareMatrix6(0, 1) = 2.0;
squareMatrix6(0, 2) = 3.0;
squareMatrix6(1, 0) = 3.0;
squareMatrix6(1, 1) = 2.0;
squareMatrix6(1, 2) = 1.0;
squareMatrix6(2, 0) = 2.0;
squareMatrix6(2, 1) = 1.0;
squareMatrix6(2, 2) = 3.0;
SquareMatrix squareMatrix7(squareMatrix6.inverse());
SquareMatrix inverseReference(3);
inverseReference(0, 0) = -5.0 / 12.0;
inverseReference(0, 1) = 3.0 / 12.0;
inverseReference(0, 2) = 4.0 / 12.0;
inverseReference(1, 0) = 7.0 / 12.0;
inverseReference(1, 1) = 3.0 / 12.0;
inverseReference(1, 2) = -8.0 / 12.0;
inverseReference(2, 0) = 1.0 / 12.0;
inverseReference(2, 1) = -3.0 / 12.0;
inverseReference(2, 2) = 4.0 / 12.0;
assert_almost_equal(squareMatrix7, inverseReference);
}
catch (TestFailed & ex)
{
std::cerr << ex << std::endl;
return ExitCode::Error;
}
return ExitCode::Success;
}
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