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Lesson sources have updated to use configuration files

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git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@958 331e1502-861f-0410-8da2-ba01fb791d7f
This commit is contained in:
jboisson 2008-02-15 13:03:11 +00:00
commit 01da681c6a
15 changed files with 305 additions and 79 deletions
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87
trunk/paradiseo-mo/tutorial/Lesson3/simulated_annealing.cpp
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@ -33,19 +33,34 @@
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 [])
{
if (_argc != 2)
{
std :: cerr << "Usage : ./simulated_annealing [instance]" << std :: endl;
return EXIT_FAILURE;
}
std::string instancePath, value;
unsigned int seed, maxIterations;
double threshold, exponentialRatio, linearRatio, initialTemperature;
Graph::load (_argv [1]);
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;
@ -66,19 +81,67 @@ main (int _argc, char* _argv [])
TwoOpt move;
moExponentialCoolingSchedule cooling_schedule (0.1, 0.98);
//moLinearCoolingSchedule cooling_schedule (0.1, 0.5);
moCoolingSchedule* coolingSchedule;
moGenSolContinue <Route> continu (1000); /* Temperature Descreasing
will occur each 1000
iterations */
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, 1000, cooling_schedule, full_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;
_parser.getORcreateParam(std::string("../examples/tsp/benchs/berlin52.tsp"), "instancePath", "Path to the instance.",
0, "Configuration", false);
_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();
}