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MO has really five lessons ;-) , some files have been added

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1056 331e1502-861f-0410-8da2-ba01fb791d7f
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jboisson 2008-03-04 08:51:52 +00:00
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trunk/paradiseo-mo/tutorial/Lesson4/simulated_annealing.cpp Normal file
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/*
<simulated_annealing.cpp>
Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
(C) OPAC Team, LIFL, 2002-2008
Sébastien Cahon, Jean-Charles Boisson
This software is governed by the CeCILL license under French law and
abiding by the rules of distribution of free software. You can use,
modify and/ or redistribute the software under the terms of the CeCILL
license as circulated by CEA, CNRS and INRIA at the following URL
"http://www.cecill.info".
As a counterpart to the access to the source code and rights to copy,
modify and redistribute granted by the license, users are provided only
with a limited warranty and the software's author, the holder of the
economic rights, and the successive licensors have only limited liability.
In this respect, the user's attention is drawn to the risks associated
with loading, using, modifying and/or developing or reproducing the
software by the user in light of its specific status of free software,
that may mean that it is complicated to manipulate, and that also
therefore means that it is reserved for developers and experienced
professionals having in-depth computer knowledge. Users are therefore
encouraged to load and test the software's suitability as regards their
requirements in conditions enabling the security of their systems and/or
data to be ensured and, more generally, to use and operate it in the
same conditions as regards security.
The fact that you are presently reading this means that you have had
knowledge of the CeCILL license and that you accept its terms.
ParadisEO WebSite : http://paradiseo.gforge.inria.fr
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#include <eo>
#include <mo>
#include <tsp>
void manage_configuration_file(eoParser & _parser);
int
main (int _argc, char* _argv [])
{
std::string instancePath, value;
unsigned int seed, maxIterations;
double threshold, exponentialRatio, linearRatio, initialTemperature;
eoParser parser(_argc, _argv);
manage_configuration_file(parser);
seed=atoi( (parser.getParamWithLongName("seed")->getValue()).c_str() );
instancePath=parser.getParamWithLongName("instancePath")->getValue();
maxIterations=atoi( (parser.getParamWithLongName("maxIter")->getValue()).c_str() );
initialTemperature=atof( (parser.getParamWithLongName("initialTemp")->getValue()).c_str() );
threshold=atof( (parser.getParamWithLongName("threshold")->getValue()).c_str() );
exponentialRatio=atof( (parser.getParamWithLongName("expoRatio")->getValue()).c_str() );
linearRatio=atof( (parser.getParamWithLongName("lineaRatio")->getValue()).c_str() );
value=parser.getParamWithLongName("coolSchedType")->getValue();
srand (seed);
Graph::load(instancePath.c_str());
Route solution;
RouteInit initializer;
initializer (solution);
RouteEval full_evaluation;
full_evaluation (solution);
std :: cout << "[From] " << solution << std :: endl;
/* Tools for an efficient (? :-))
local search ! */
TwoOptRand two_opt_random_move_generator;
TwoOptIncrEval two_opt_incremental_evaluation;
TwoOpt move;
moCoolingSchedule* coolingSchedule;
if(value.compare("Expo")==0)
{
coolingSchedule=new moExponentialCoolingSchedule(threshold, exponentialRatio);
}
else if (value.compare("Linear")==0)
{
coolingSchedule=new moLinearCoolingSchedule(threshold, linearRatio);
}
else
{
throw std::runtime_error("[simulated_annealing.cpp]: the type of cooling schedule '"+value+"' is not correct.");
}
moGenSolContinue <Route> continu (maxIterations);
moSA <TwoOpt> simulated_annealing (two_opt_random_move_generator, two_opt_incremental_evaluation,
continu, initialTemperature, *coolingSchedule, full_evaluation);
simulated_annealing (solution);
std :: cout << "[To] " << solution << std :: endl;
delete(coolingSchedule);
return EXIT_SUCCESS ;
}
void
manage_configuration_file(eoParser & _parser)
{
std::ofstream os;
#ifdef _MSVC
os.open("..\examples\tsp\benchs\berlin52.tsp");
if(os.is_open())
{
_parser.createParam(std::string("..\examples\tsp\benchs\berlin52.tsp"), "instancePath", "Path to the instance.",
0, "Configuration", false);
}
else
{
_parser.createParam(std::string("..\..\examples\tsp\benchs\berlin52.tsp"), "instancePath", "Path to the instance.",
0, "Configuration", false);
}
os.close();
#else
_parser.createParam(std::string("../examples/tsp/benchs/berlin52.tsp"), "instancePath", "Path to the instance.",
0, "Configuration", false);
#endif
_parser.getORcreateParam((unsigned int)time(0), "seed", "Seed for rand.", 0, "Configuration", false);
_parser.getORcreateParam((unsigned int)1000, "maxIter", "Maximum number of iterations.", 0, "Configuration", false);
_parser.getORcreateParam((double)1000, "initialTemp", "Initial temperature.", 0, "Configuration", false);
_parser.getORcreateParam((double)0.1, "threshold", "Minimum temperature allowed.", 0, "Configuration", false);
_parser.getORcreateParam((double)0.98, "expoRatio", "Ratio used if exponential cooling schedule is chosen.", 0, "Configuration", false);
_parser.getORcreateParam((double)0.5, "lineaRatio", "Ratio used if linear cooling schedule is chosen.", 0, "Configuration", false);
_parser.getORcreateParam(std::string("Expo"), "coolSchedType", "Type the cooling schedule: 'Expo' or 'Linear'.",
0, "Configuration", false);
if (_parser.userNeedsHelp())
{
_parser.printHelp(std::cout);
exit(EXIT_FAILURE);
}
os.open("current_param");
if(!os.is_open())
{
throw std::runtime_error("[simulated_annealing.cpp]: the file current_param cannot be created.");
}
os <<_parser;
os.close();
}