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// -*- C++ -*-
/**
* @brief The test file of class Function 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 basic functionnalities
//checkClassWithClassName<ComputedEvaluationImplementation>();
/** Instance creation */
Description input(2);
input[0] = "x1";
input[1] = "x2";
Description formula(3);
formula[0] = "x1*sin(x2)";
formula[1] = "cos(x1+x2)";
formula[2] = "(x2+1)*exp(x1-2*x2)";
SymbolicFunction myFunc(input, formula);
fullprint << "default gradient=" << myFunc.getUseDefaultGradientImplementation() << std::endl;
/** Copy constructor */
Function newFunc(myFunc);
(void)newFunc;
fullprint << "myFunc=" << myFunc << std::endl;
Point point(myFunc.getInputDimension(), 1.2);
fullprint << "myFunc(point)=" << myFunc(point) << std::endl;
fullprint << "myFunc input parameter(s)=";
for (UnsignedInteger i = 0; i < myFunc.getInputDimension(); i++)
{
fullprint << (i == 0 ? "" : ",") << myFunc.getInputDescription()[i];
}
fullprint << std::endl;
fullprint << "myFunc output parameter(s)=";
for (UnsignedInteger i = 0; i < myFunc.getOutputDimension(); i++)
{
fullprint << (i == 0 ? "" : ",") << myFunc.getOutputDescription()[i];
}
fullprint << std::endl;
for (UnsignedInteger i = 0; i < myFunc.getOutputDimension(); i++)
{
fullprint << "myFunc marginal " << i << "(point)=" << myFunc.getMarginal(i)(point) << std::endl;
}
Indices indices(2);
indices[0] = 2;
indices[1] = 0;
fullprint << "myFunc marginal " << indices << "(point)=" << myFunc.getMarginal(indices)(point) << std::endl;
Function myFunc2(new SymbolicEvaluation(input, Description::BuildDefault(3, "y"), formula));
fullprint << "default gradient=" << myFunc2.getUseDefaultGradientImplementation() << std::endl;
}
catch (TestFailed & ex)
{
std::cerr << ex << std::endl;
return ExitCode::Error;
}
return ExitCode::Success;
}
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