paradiseo/trunk/paradiseo-peo/examples/lesson1/main.cpp

79 lines
3.3 KiB
C++

// "main.cpp"
// (c) OPAC Team, LIFL, January 2006
/*
Contact: paradiseo-help@lists.gforge.inria.fr
*/
#include "route.h"
#include "route_init.h"
#include "route_eval.h"
#include "order_xover.h"
#include "city_swap.h"
#include "param.h"
#include <paradiseo>
#define POP_SIZE 10
#define NUM_GEN 100
#define CROSS_RATE 1.0
#define MUT_RATE 0.01
int main( int __argc, char** __argv ) {
// initializing the ParadisEO-PEO environment
peo :: init( __argc, __argv );
// processing the command line specified parameters
loadParameters( __argc, __argv );
// init, eval operators, EA operators -------------------------------------------------------------------------------------------------------------
RouteInit route_init; // random init object - creates random Route objects
RouteEval full_eval; // evaluator object - offers a fitness value for a specified Route object
OrderXover crossover; // crossover operator - creates two offsprings out of two specified parents
CitySwap mutation; // mutation operator - randomly mutates one gene for a specified individual
// ------------------------------------------------------------------------------------------------------------------------------------------------
// evolutionary algorithm components --------------------------------------------------------------------------------------------------------------
eoPop< Route > population( POP_SIZE, route_init ); // initial population for the algorithm having POP_SIZE individuals
peoSeqPopEval< Route > eaPopEval( full_eval ); // evaluator object - to be applied at each iteration on the entire population
eoGenContinue< Route > eaCont( NUM_GEN ); // continuation criterion - the algorithm will iterate for NUM_GEN generations
eoCheckPoint< Route > eaCheckpointContinue( eaCont ); // checkpoint object - verify at each iteration if the continuation criterion is met
eoRankingSelect< Route > selectionStrategy; // selection strategy - applied at each iteration for selecting parent individuals
eoSelectNumber< Route > eaSelect( selectionStrategy, POP_SIZE ); // selection object - POP_SIZE individuals are selected at each iteration
// transform operator - includes the crossover and the mutation operators with a specified associated rate
eoSGATransform< Route > transform( crossover, CROSS_RATE, mutation, MUT_RATE );
peoSeqTransform< Route > eaTransform( transform ); // ParadisEO transform operator (please remark the peo prefix) - wraps an e EO transform object
eoPlusReplacement< Route > eaReplace; // replacement strategy - for replacing the initial population with offspring individuals
// ------------------------------------------------------------------------------------------------------------------------------------------------
// ParadisEO-PEO evolutionary algorithm -----------------------------------------------------------------------------------------------------------
peoEA< Route > eaAlg( eaCheckpointContinue, eaPopEval, eaSelect, eaTransform, eaReplace );
eaAlg( population ); // specifying the initial population for the algorithm, to be iteratively evolved
// ------------------------------------------------------------------------------------------------------------------------------------------------
peo :: run( );
peo :: finalize( );
// shutting down the ParadisEO-PEO environment
return 0;
}