test_GOptimizer.cpp
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/***************************************************************************
* test_GOptimizer.cpp - test GOptimizer class *
* ----------------------------------------------------------------------- *
* copyright (C) 2009 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* 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/>. *
* *
***************************************************************************/
/* __ Includes ___________________________________________________________ */
#include <stdlib.h>
#include "test_GOptimizer.hpp"
/* __ Namespaces _________________________________________________________ */
/* __ Globals ____________________________________________________________ */
/***************************************************************************
* Test: Optimizer *
***************************************************************************/
void test_optimizer(void)
{
// Write header
std::cout << "Test GOptimizer: ";
// Number of observations in data
int nobs = 1;
// Setup GData for optimizing
GData data;
GLATObservation obs;
try {
obs.load_binned("data/lat/cntmap.fits.gz", "", "");
for (int i = 0; i < nobs; ++i)
data.add(obs);
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Unable setup GData for optimizing."
<< std::endl;
std::cout << e.what() << std::endl;
throw;
}
std::cout << ".";
//std::cout << data << std::endl;
// Setup GModels for optimizing
GModelSpatialPtsrc point_source;
GModelSpectralPlaw power_law;
GModel crab;
GModels models;
try {
GSkyDir dir;
dir.radec_deg(83.6331, +22.0145);
point_source = GModelSpatialPtsrc(dir);
power_law = GModelSpectralPlaw(1.0e-7, -2.1);
crab = GModel(point_source, power_law);
crab.name("Crab");
models.add(crab);
data.models(models);
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Unable setup GModels for optimizing."
<< std::endl;
std::cout << e.what() << std::endl;
throw;
}
std::cout << ".";
//std::cout << models << std::endl;
// Setup parameters for optimizing
GOptimizerPars pars;
try {
pars = GOptimizerPars(models);
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Unable setup GOptimizerPars for optimizing."
<< std::endl;
std::cout << e.what() << std::endl;
throw;
}
std::cout << ".";
//std::cout << pars << std::endl;
// Time simple GData iterator
double t_elapse;
try {
clock_t t_start = clock();
int num = 0;
int sum = 0;
for (GData::iterator event = data.begin(); event != data.end(); ++event) {
num++;
sum += (int)event->counts();
}
t_elapse = double(clock() - t_start)/double(CLOCKS_PER_SEC);
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Unable to iterate GData."
<< std::endl;
std::cout << e.what() << std::endl;
throw;
}
std::cout << "." << std::endl;
std::cout << " - Reference time for GData::iterator: " << t_elapse << std::endl;
// Setup LM optimizer
GOptimizerLM opt;
try {
data.optimize(opt);
}
catch (std::exception &e) {
std::cout << std::endl
<< "TEST ERROR: Unable setup optimizer."
<< std::endl;
std::cout << e.what() << std::endl;
throw;
}
std::cout << ".";
//std::cout << opt << std::endl;
std::cout << data << std::endl;
// Plot final test success
std::cout << " ok." << std::endl;
// Exit test
return;
}
/***************************************************************************
* Main test function *
***************************************************************************/
int main(void)
{
// Dump header
std::cout << std::endl;
std::cout << "****************************" << std::endl;
std::cout << "* GOptimizer class testing *" << std::endl;
std::cout << "****************************" << std::endl;
// Execute the tests
test_optimizer();
// Return
return 0;
}