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D:/Projekt/ECF_trunk/ECF/permutation/PermutationCrsPMX.cpp

00001 #include "../ECF_base.h"
00002 #include "Permutation.h"
00003 #include <map>
00004 
00005 
00006 namespace Permutation
00007 {
00008 
00009 void PermutationCrsPMX::registerParameters(StateP state)
00010 {
00011     myGenotype_->registerParameter(state, "crx.PMX", (voidP) new double(0), ECF::DOUBLE);
00012 }
00013 
00014 
00015 bool PermutationCrsPMX::initialize(StateP state)
00016 {
00017     voidP sptr = myGenotype_->getParameterValue(state, "crx.PMX");
00018     probability_ = *((double*)sptr.get());
00019     return true;
00020 }
00021 
00022     
00023 bool PermutationCrsPMX::mate(GenotypeP gen1, GenotypeP gen2, GenotypeP child)
00024 {
00025     Permutation* p1 = (Permutation*) (gen1.get());
00026     Permutation* p2 = (Permutation*) (gen2.get());
00027     Permutation* ch = (Permutation*) (child.get());
00028 
00029     uint start = state_->getRandomizer()->getRandomInteger(p1->getSize());
00030     uint end = state_->getRandomizer()->getRandomInteger(start, p1->getSize() - 1);
00031 
00032     std::map<int, int> mappings;
00033 
00034     for(uint i = start; i < end; i++) {
00035         ch->variables[i] = p1->variables[i];
00036         mappings[p1->variables[i]] = p2->variables[i];
00037     }
00038     
00039     std::map<int, int>::iterator iter = mappings.begin();
00040 
00041     for(uint i = 0; i < p1->getSize(); i++) {
00042         //ako smo unutar podniza nemamo sto raditi sa tim elementima
00043         if(i >= start && i < end)
00044             continue;
00045         //za pocetak probajmo s elementom iz drugog roditelja
00046         int map = p2->variables[i];
00047         //dok god se trenutni element koji želimo staviti na i-to mjesto 
00048         //djeteta vec u njemu nalazi trazimo dalje
00049         do {
00050             iter = mappings.find(map);
00051             //ako se nalazi vec u podnizu probajmo s elementom koji je prije stajao na tom mjestu
00052             if(iter != mappings.end()) {
00053                 map = iter->second;
00054             }
00055             else 
00056                 break;
00057         } while(true);
00058         ch->variables[i] = map;
00059     }
00060 
00061     return true;
00062 }
00063 
00064 }

Generated on Tue Nov 4 2014 13:04:31 for ECF by  doxygen 1.7.1