test_GOptimizer.cpp
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/***************************************************************************
* test_GOptimizer.cpp - test GOptimizer class *
* ----------------------------------------------------------------------- *
* copyright (C) 2009-2012 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file test_GOptimizer.cpp
* @brief Implementation of unit tests for optimizer module
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "test_GOptimizer.hpp"
#include "testinst/GTestLib.hpp"
/* __ Coding definitions _________________________________________________ */
#define RATE 13.0 //!< Events per seconde. For events generation.
#define UN_BINNED 0
#define BINNED 1
/***********************************************************************//**
* @brief Set parameters and tests
**************************************************************************/
void TestGOptimizer::set(void){
// Test name
name("Optimizer module");
// Append tests
append(static_cast<pfunction>(&TestGOptimizer::test_unbinned_optimizer), "Test unbinned optimization");
append(static_cast<pfunction>(&TestGOptimizer::test_binned_optimizer), "Test binned optimization");
// Return
return;
}
/***********************************************************************//**
* @brief Test optimizer
*
* @param[in] mode Testing mode.
*
* This method supports two testing modes: 0 = unbinned and 1 = binned.
***************************************************************************/
GModelPar& TestGOptimizer::test_optimizer(int mode)
{
// Create Test Model
GTestModelData model;
// Create Models conteners
GModels models;
models.append(model);
// Set time iterval
GTime tmin(0.0);
GTime tmax(1800.0);
// Rate : events/sec
double rate = RATE;
// Create observations
GObservations obs;
// Add some observation
for (int i=0; i<6; ++i) {
// Random Generator
GRan ran;
ran.seed(i);
// Allocate events pointer
GEvents *events;
// Create either a event list or an event cube
if (mode == UN_BINNED) {
events = model.generateList(rate,tmin,tmax,ran);
}
else {
events = model.generateCube(rate,tmin,tmax,ran);
}
// Create an observation
GTestObservation ob;
// Add events to the observation
ob.events(events);
ob.ontime(tmax.secs()-tmin.secs());
obs.append(ob);
}
// Add the model to the observation
obs.models(models);
// Create a GLog for show the interations of optimizer.
GLog log;
// Create an optimizer.
GOptimizerLM opt(log);
opt.max_stalls(50);
// Optimize
obs.optimize(opt);
// Get the result
GModelPar& result = (*(obs.models()[0]))[0];
//check if converged
test_assert(opt.status()==0, "Check if converged", "Optimizer did not convered");
//check if value is correct
test_value(result.value(),RATE,result.error()*3);
// Return
return (*(obs.models()[0]))[0];
}
/***********************************************************************//**
* @brief Test unbinned optimizer
***************************************************************************/
void TestGOptimizer::test_unbinned_optimizer(void)
{
// Test
test_optimizer(UN_BINNED);
// Return
return;
}
/***********************************************************************//**
* @brief Test binned optimizer
***************************************************************************/
void TestGOptimizer::test_binned_optimizer(void)
{
// Test
test_optimizer(BINNED);
// Return
return;
}
/***************************************************************************
* @brief Main entry point for test executable
***************************************************************************/
int main(void)
{
// Allocate test suit container
GTestSuites testsuites("Optimizer module");
// Initially assume that we pass all tests
bool success = true;
// Create and append test suite
TestGOptimizer openmp;
testsuites.append(openmp);
// Run the testsuites
success = testsuites.run();
// Save test report
testsuites.save("reports/GOptimizer.xml");
// Return success status
return (success ? 0 : 1);
}