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// -*- C++ -*-
/**
* @brief The test file of class LinearFunctionImplementation 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
{
UnsignedInteger inputDimension = 3;
UnsignedInteger outputDimension = 2;
// Center
Point center(inputDimension);
center[0] = -1;
center[1] = 0.5;
center[2] = 1;
// Constant term
Point constant(outputDimension);
constant[0] = -1.0;
constant[1] = 2.0;
// Linear term
Matrix linear(outputDimension, inputDimension);
linear(0, 0) = 1.0;
linear(1, 0) = 2.0;
linear(0, 1) = 3.0;
linear(1, 1) = 4.0;
linear(0, 2) = 5.0;
linear(1, 2) = 6.0;
LinearFunction myFunction(center, constant, linear);
myFunction.setName("linearFunction");
Point inPoint(inputDimension);
inPoint[0] = 7.0;
inPoint[1] = 8.0;
inPoint[2] = 9.0;
fullprint << "myFunction=" << myFunction << std::endl;
fullprint << myFunction.getName() << "( " << inPoint << " ) = " << myFunction(inPoint) << std::endl;
fullprint << myFunction.getName() << ".gradient( " << inPoint << " ) = " << myFunction.gradient(inPoint) << std::endl;
fullprint << myFunction.getName() << ".hessian( " << inPoint << " ) = " << myFunction.hessian(inPoint) << std::endl;
}
catch (TestFailed & ex)
{
std::cerr << ex << std::endl;
return ExitCode::Error;
}
return ExitCode::Success;
}
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