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// -*- C++ -*-
/**
* @brief The test file of class FieldToPointConnection 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
{
// Create a KarhunenLoeveResult
Mesh mesh(IntervalMesher(Indices(1, 9)).build(Interval(-1.0, 1.0)));
AbsoluteExponential cov1D(Point(1, 1.0));
KarhunenLoeveP1Algorithm algo(mesh, cov1D, 0.0);
algo.run();
KarhunenLoeveResult result(algo.getResult());
KarhunenLoeveProjection projection(result);
// Construction based on a FieldFunction followed by a FieldToPointFunction
{
ValueFunction fieldFunction(SymbolicFunction("x", "x"), mesh);
/* Create an instance */
FieldToPointConnection myFunc(projection, fieldFunction);
fullprint << "myFunc=" << myFunc << std::endl;
/* Get the input and output description */
fullprint << "myFunc input description=" << myFunc.getInputDescription() << std::endl;
fullprint << "myFunc output description=" << myFunc.getOutputDescription() << std::endl;
/* Get the input and output dimension */
fullprint << "myFunc input dimension=" << myFunc.getInputDimension() << std::endl;
fullprint << "myFunc output dimension=" << myFunc.getOutputDimension() << std::endl;
/* Connection on a field */
Field field(result.getModesAsProcessSample().computeMean());
fullprint << "field=" << field << std::endl;
fullprint << "myFunc(field)=" << myFunc(field.getValues()) << std::endl;
/* Get the number of calls */
fullprint << "called " << myFunc.getCallsNumber() << " times" << std::endl;
}
// Construction based on a FieldToPointFunction followed by a Function
{
UnsignedInteger dimension = projection.getOutputDimension();
SymbolicFunction function(Description::BuildDefault(dimension, "x"), Description::BuildDefault(dimension, "x"));
/* Create an instance */
FieldToPointConnection myFunc(function, projection);
fullprint << "myFunc=" << myFunc << std::endl;
/* Get the input and output description */
fullprint << "myFunc input description=" << myFunc.getInputDescription() << std::endl;
fullprint << "myFunc output description=" << myFunc.getOutputDescription() << std::endl;
/* Get the input and output dimension */
fullprint << "myFunc input dimension=" << myFunc.getInputDimension() << std::endl;
fullprint << "myFunc output dimension=" << myFunc.getOutputDimension() << std::endl;
/* Connection on a field */
Field field(result.getModesAsProcessSample().computeMean());
fullprint << "field=" << field << std::endl;
fullprint << "myFunc(field)=" << myFunc(field.getValues()) << std::endl;
/* Get the number of calls */
fullprint << "called " << myFunc.getCallsNumber() << " times" << std::endl;
}
} // try
catch (TestFailed & ex)
{
std::cerr << ex << std::endl;
return ExitCode::Error;
}
return ExitCode::Success;
}
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