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DEC/DEC_GUI/DEC-0.0/population/BreedingStrategies/PopulationBreedingStrategy.cpp
2024-10-03 18:43:04 +07:00

72 lines
2.5 KiB
C++

#include "PopulationBreedingStrategy.h"
#include "VerhulstBreedingStrategy.h"
#include "NeutralEvolutionBreedStrat.h"
#include "../../individual/genome/strategies/InOutBreeding/InOutBreedingPopulationBreedingStrategy.h"
#include "../../individual/genome/strategies/KolchShindyal/KolchShindyalBreedingStrategy.h"
#include "../../processor/Settings.h"
//#include <vector>
#include <algorithm>
#include <iostream>
#include <cstdlib>
#include <ctime>
void PopulationBreedingStrategy::breed(Population* _pop){
float deathRate = Settings::NaturalDeathRate;//0.01f; // Êîýôôèöèåíò ñìåðòíîñòè
// Âûáèðàåì ëóçåðîâ è óäàëÿåì èõ
AsexualPopulation* pop = dynamic_cast<AsexualPopulation*>(_pop);
if(pop == NULL){
std::cerr<<"Wrong dynamic cast to AsexualPopulation\n";
return;
}
std::sort(pop->individs.begin(), pop->individs.end(), compareOnFitness);
int inds = pop->individs.size();
// Ïî èäåå, ñìåðòíîñòü íàäî ìîäåëèðîâàòü â ðàçäåëå SelectionAll
// à òóò íàäî êàêîé-òî ìåõàíèçì äèôôåðåíöèðîâàííîé ïëîäîâèòîñòè
// îïèñàòü
int toDie = int (inds * deathRate);
std::vector<Individual*>::iterator start = pop->individs.begin();
std::vector<Individual*>::iterator end = pop->individs.begin()+toDie;
//advance(end,toDie);
for(std::vector<Individual*>::iterator it = start; it != end; it++){
delete *it;
}
pop->individs.erase(start, end);
std::cout<<"PopulationBreedingStrategy::breed: "<<toDie<<" individs have died\n";
// Ðîæàåì íîâûõ îñîáåé
float birthRate = Settings::BirthRate;//0.02f;
int toBorn = int (inds * birthRate);
inds = pop->individs.size();
srand((unsigned int)time(NULL));
for(int i = 0; i < toBorn; i++) {
int male = rand() % inds;
int female = rand() % inds;
female = (female != male ? female : (female + 1) % inds);
Individual* ind = new Individual(*(pop->individs.at(male)), *(pop->individs.at(female)));
// Çäåñü ïî íåîáõîäèìîñòè äîáàâëÿåì íàñòðîéêè ñðåäû è ò.ä.
pop->individs.push_back(ind);
}
}
PopulationBreedingStrategy* PopulationBreedingStrategy::getInstance(std::string name){
if(name.compare("Verhulst") == 0){
return new VerhulstBreedingStrategy();
}
if(name.compare("inoutbreeding") == 0){
return new InOutBreedingPopulationBreedingStrategy();
}
if(name.compare("kolchan_shindyal_breeding") == 0){
return new KolchShindyalBreedingStrategy();
}
if(name.compare("neutral") == 0){
return new NeutralEvolutionBreedingStrategy();
}
return new PopulationBreedingStrategy();
}