int main_function(int argc, char **argv) { const unsigned POP_SIZE = 6, VEC_SIZE = 2, NEIGHBORHOOD_SIZE=2; // the population: eoPop<Particle> pop; // Evaluation eoEvalFuncPtr<Particle, double, const Particle& > eval( f ); // position + velocity + best init eoUniformGenerator < double >uGen (-3, 3); eoInitFixedLength < Particle > random (VEC_SIZE, uGen); eoUniformGenerator < double >sGen (-2, 2); eoVelocityInitFixedLength < Particle > veloRandom (VEC_SIZE, sGen); eoFirstIsBestInit < Particle > localInit; pop.append (POP_SIZE, random); // topology eoLinearTopology<Particle> topology(NEIGHBORHOOD_SIZE); eoInitializer <Particle> init(eval,veloRandom,localInit,topology,pop); init(); // velocity eoExtendedVelocity <Particle> velocity (topology,1,1,1,1); // the test itself for (unsigned int i = 0; i < POP_SIZE; i++) { std::cout << " Initial particle n°" << i << " velocity: " << std::endl; for (unsigned int j = 0; j < VEC_SIZE; j++) std::cout << " v" << j << "=" << pop[i].velocities[j] << std::endl; } for (unsigned int i = 0; i < POP_SIZE; i++) velocity (pop[i],i); for (unsigned int i = 0; i < POP_SIZE; i++) { std::cout << " Final particle n°" << i << " velocity: " << std::endl; for (unsigned int j = 0; j < VEC_SIZE; j++) std::cout << " v" << j << "=" << pop[i].velocities[j] << std::endl; } return EXIT_SUCCESS; }
int main() { const unsigned int VEC_SIZE = 2; const unsigned int POP_SIZE = 20; const unsigned int NEIGHBORHOOD_SIZE= 5; unsigned i; // the population: eoPop<Particle> pop; // Evaluation eoEvalFuncPtr<Particle, double, const Particle& > eval( real_value ); // position init eoUniformGenerator < double >uGen (-3, 3); eoInitFixedLength < Particle > random (VEC_SIZE, uGen); // velocity init eoUniformGenerator < double >sGen (-2, 2); eoVelocityInitFixedLength < Particle > veloRandom (VEC_SIZE, sGen); // local best init eoFirstIsBestInit < Particle > localInit; // perform position initialization pop.append (POP_SIZE, random); // topology eoLinearTopology<Particle> topology(NEIGHBORHOOD_SIZE); // the full initializer eoInitializer <Particle> init(eval,veloRandom,localInit,topology,pop); init(); // bounds eoRealVectorBounds bnds(VEC_SIZE,-1.5,1.5); // velocity eoStandardVelocity <Particle> velocity (topology,1,1.6,2,bnds); // flight eoStandardFlight <Particle> flight; // Terminators eoGenContinue <Particle> genCont1 (50); eoGenContinue <Particle> genCont2 (50); // PS flight eoEasyPSO<Particle> pso1(genCont1, eval, velocity, flight); eoEasyPSO<Particle> pso2(init,genCont2, eval, velocity, flight); // flight try { pso1(pop); std::cout << "FINAL POPULATION AFTER PSO n°1:" << std::endl; for (i = 0; i < pop.size(); ++i) std::cout << "\t" << pop[i] << " " << pop[i].fitness() << std::endl; pso2(pop); std::cout << "FINAL POPULATION AFTER PSO n°2:" << std::endl; for (i = 0; i < pop.size(); ++i) std::cout << "\t" << pop[i] << " " << pop[i].fitness() << std::endl; } catch (std::exception& e) { std::cout << "exception: " << e.what() << std::endl;; exit(EXIT_FAILURE); } return 0; }
int main (int __argc, char *__argv[]) { peo :: init( __argc, __argv ); if (getNodeRank()==1) std::cout<<"\n\nTest : PSO Global Best\n\n"; rng.reseed (10); RingTopology topologyMig; eoGenContinue < Indi > genContPara (10); eoCombinedContinue <Indi> continuatorPara (genContPara); eoCheckPoint<Indi> checkpoint(continuatorPara); peoEvalFunc<Indi, double, const Indi& > plainEval(f); peoPopEval< Indi > eval(plainEval); eoUniformGenerator < double >uGen (0, 1.); eoInitFixedLength < Indi > random (2, uGen); eoUniformGenerator < double >sGen (-1., 1.); eoVelocityInitFixedLength < Indi > veloRandom (2, sGen); eoFirstIsBestInit < Indi > localInit; eoRealVectorBounds bndsFlight(2,0,1.); eoStandardFlight < Indi > flight(bndsFlight); eoPop < Indi > pop; pop.append (10, random); eoLinearTopology<Indi> topology(2); eoRealVectorBounds bnds(2,-1.,1.); eoStandardVelocity < Indi > velocity (topology,1,0.5,2.,bnds); eoInitializer <Indi> init(eval,veloRandom,localInit,topology,pop); eoPeriodicContinue< Indi > mig_cont( 2 ); peoPSOSelect<Indi> mig_selec(topology); peoGlobalBestVelocity<Indi> mig_replac (2.,velocity); eoContinuator<Indi> cont(mig_cont, pop); eoSelector <Indi, eoPop<Indi> > mig_select (mig_selec,1,pop); eoReplace <Indi, eoPop<Indi> > mig_replace (mig_replac,pop); eoGenContinue < Indi > genContPara2 (10); eoCombinedContinue <Indi> continuatorPara2 (genContPara2); eoCheckPoint<Indi> checkpoint2(continuatorPara2); peoEvalFunc<Indi, double, const Indi& > plainEval2(f); peoPopEval< Indi > eval2(plainEval2); eoUniformGenerator < double >uGen2 (0, 1.); eoInitFixedLength < Indi > random2 (2, uGen2); eoUniformGenerator < double >sGen2 (-1., 1.); eoVelocityInitFixedLength < Indi > veloRandom2 (2, sGen2); eoFirstIsBestInit < Indi > localInit2; eoRealVectorBounds bndsFlight2(2,0,1.); eoStandardFlight < Indi > flight2(bndsFlight2); eoPop < Indi > pop2; pop2.append (10, random2); eoLinearTopology<Indi> topology2(2); eoRealVectorBounds bnds2(2,-1.,1.); eoStandardVelocity < Indi > velocity2 (topology2,1,0.5,2.,bnds2); eoInitializer <Indi> init2(eval2,veloRandom2,localInit2,topology2,pop2); eoPeriodicContinue< Indi > mig_cont2( 2 ); peoPSOSelect<Indi> mig_selec2(topology2); peoGlobalBestVelocity<Indi> mig_replac2 (2.,velocity2); eoContinuator<Indi> cont2(mig_cont2,pop2); eoSelector <Indi, eoPop<Indi> > mig_select2 (mig_selec2,1,pop2); eoReplace <Indi, eoPop<Indi> > mig_replace2 (mig_replac2,pop2); peoAsyncIslandMig< eoPop<Indi>, eoPop<Indi> > mig(cont,mig_select, mig_replace, topologyMig); checkpoint.add( mig ); peoAsyncIslandMig< eoPop<Indi>, eoPop<Indi> > mig2(cont2,mig_select2, mig_replace2, topologyMig); checkpoint2.add( mig2 ); eoSyncEasyPSO <Indi> psa(init,checkpoint,eval, velocity, flight); peoWrapper parallelPSO( psa, pop); eval.setOwner(parallelPSO); mig.setOwner(parallelPSO); eoSyncEasyPSO <Indi> psa2(init2,checkpoint2,eval2, velocity2, flight2); peoWrapper parallelPSO2( psa2, pop2); eval2.setOwner(parallelPSO2); mig2.setOwner(parallelPSO2); peo :: run(); peo :: finalize(); if (getNodeRank()==1) { pop.sort(); pop2.sort(); std::cout << "Final population :\n" << pop << std::endl; std::cout << "Final population :\n" << pop2 << std::endl; } }