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// -*- C++ -*-
/**
* @brief The test file of class TriangularMatrix 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;
typedef Collection<Scalar> ScalarCollection;
int main(int, char *[])
{
TESTPREAMBLE;
OStream fullprint(std::cout);
try
{
/** DEFAULT CONSTRUCTOR AND STRING CONVERTER */
fullprint << "test 0 : default constructor and string converter" << std::endl;
/* Default constructor */
TriangularMatrix triangularMatrix0;
/* String converter */
fullprint << "triangularMatrix0 = " << triangularMatrix0 << std::endl;
/** CONSTRUCTOR WITH SIZE, OPERATOR() AND STRING CONVERTER */
fullprint << "test 1: constructor with size, operator() and string converter" << std::endl;
/* Constructor with size */
TriangularMatrix triangularMatrix1(2);
/* Check operator() methods */
triangularMatrix1(0, 0) = 1. ;
triangularMatrix1(1, 0) = 1. ;
triangularMatrix1(1, 1) = 4. ;
/* String converter */
fullprint << "triangularMatrix1 = " << triangularMatrix1 << std::endl;
fullprint << "is triangular lower ? " << triangularMatrix1.isLowerTriangular() << std::endl;
/** COPY CONSTRUCTOR AND STRING CONVERTER */
fullprint << "test 2 : copy constructor and string converter" << std::endl;
/* Copy constructor */
TriangularMatrix triangularMatrix2(triangularMatrix1);
/* String converter */
fullprint << "triangularMatrix2 = " << triangularMatrix2 << std::endl;
/** GET DIMENSIONS METHODS */
fullprint << "test 3 : get dimensions methods" << std::endl;
/* Get dimension methods */
fullprint << "triangularMatrix1's nbRows = " << triangularMatrix1.getNbRows() << std::endl
<< "triangularMatrix1's nbColumns = " << triangularMatrix1.getNbColumns() << std::endl;
/** ASSIGNMENT METHOD */
fullprint << "test 4 : assignment method" << std::endl;
/* Assignment method */
TriangularMatrix triangularMatrix3 ;
triangularMatrix3 = triangularMatrix1 ;
fullprint << "triangularMatrix3 = " << triangularMatrix3 << std::endl;
/** TRANSPOSE AND CONJUGATE METHOD */
fullprint << "test 5 : transpose method" << std::endl;
/* Check transpose method */
fullprint << "triangularMatrix1 transpose = " << triangularMatrix1.transpose() << std::endl;
fullprint << "is transpose triangular lower ? " << triangularMatrix1.transpose().isLowerTriangular() << std::endl;
TriangularMatrix triangularMatrix4 = triangularMatrix1.transpose();
/** ADDITION METHOD */
fullprint << "test number 6 : addition method" << std::endl;
/* Check addition method : we check the operator and the symmetry of the operator, thus testing the comparison operator */
SquareMatrix sum1 = triangularMatrix1.operator + ( triangularMatrix4 ) ;
SquareMatrix sum2 = triangularMatrix4.operator + ( triangularMatrix1 ) ;
fullprint << "sum1 = " << sum1 << std::endl;
fullprint << "sum2 = " << sum2 << std::endl;
fullprint << "sum1 equals sum2 = " << (sum1 == sum2) << std::endl;
/** SUBTRACTION METHOD */
fullprint << "test 7 : subtraction method" << std::endl;
/* Check subtraction method */
SquareMatrix diff = triangularMatrix1.operator - ( triangularMatrix4 ) ;
fullprint << "diff = " << diff << std::endl;
/** MATRIX MULTIPLICATION METHOD */
fullprint << "test 8 : matrix multiplication method" << std::endl;
/* Check multiplication method */
SquareMatrix prod = triangularMatrix1.operator * ( triangularMatrix4 ) ;
fullprint << "prod = " << prod << std::endl;
/** MULTIPLICATION WITH A NUMERICAL POINT METHOD */
fullprint << "test 9 : 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 */
ScalarCollection ptResult = triangularMatrix1.operator * ( pt ) ;
fullprint << "ptResult = " << ptResult << std::endl;
/** MULTIPLICATION WITH A NUMERICAL COMPLEX COLLECTION METHOD */
fullprint << "test 10 : multiplication with a numerical scalar collection method" << std::endl;
/* Create the numerical point */
ScalarCollection ptScalar ;
ptScalar.add(1.) ;
ptScalar.add(0.) ;
fullprint << "ptScalar = " << ptScalar << std::endl;
/* Check the product method */
ScalarCollection ptResult2 = triangularMatrix1.operator * ( ptScalar ) ;
fullprint << "ptResult2 = " << ptResult2 << std::endl;
/** MULTIPLICATION AND DIVISION BY A NUMERICAL SCALAR METHODS */
fullprint << "test 11 : multiplication and division by a numerical scalar methods" << std::endl;
/* Check the multiplication method */
Scalar s = 3.0;
TriangularMatrix scalprod1 = triangularMatrix1.operator * (s) ;
TriangularMatrix scalprod2 = s * triangularMatrix1 ;
fullprint << "scalprod1 = " << scalprod1 << std::endl;
fullprint << "scalprod2 = " << scalprod2 << std::endl;
fullprint << "scalprod1 equals scalprod2 = " << (scalprod1 == scalprod2) << std::endl;
/* Check the division method */
TriangularMatrix scaldiv1 = triangularMatrix1.operator / (s) ;
TriangularMatrix scaldiv2 = triangularMatrix1.operator * (1.0 / s) ;
fullprint << "scaldiv1 = " << scaldiv1 << std::endl;
fullprint << "scaldiv2 = " << scaldiv2 << std::endl;
fullprint << "scaldiv1 equals scaldiv2 = " << (scaldiv1 == scaldiv2) << std::endl;
/** ISEMPTY METHOD */
fullprint << "test 12 : isEmpty method" << std::endl;
/* Check method isEmpty */
TriangularMatrix triangularMatrix5;
fullprint << "triangularMatrix0 is empty = " << triangularMatrix0.isEmpty() << std::endl
<< "triangularMatrix1 is empty = " << triangularMatrix1.isEmpty() << std::endl
<< "triangularMatrix5 is empty = " << triangularMatrix5.isEmpty() << std::endl;
}
catch (TestFailed & ex)
{
std::cerr << ex << std::endl;
return ExitCode::Error;
}
return ExitCode::Success;
}
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