00001 #include "../ECF_base.h"
00002 #include "Permutation.h"
00003 #include <map>
00004
00005
00006 namespace Permutation
00007 {
00008
00009 void PermutationCrsOX::registerParameters(StateP state)
00010 {
00011 myGenotype_->registerParameter(state, "crx.OX", (voidP) new double(0), ECF::DOUBLE);
00012 }
00013
00014
00015 bool PermutationCrsOX::initialize(StateP state)
00016 {
00017 voidP sptr = myGenotype_->getParameterValue(state, "crx.OX");
00018 probability_ = *((double*)sptr.get());
00019 return true;
00020 }
00021
00022
00023 bool PermutationCrsOX::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 int start = state_->getRandomizer()->getRandomInteger(p1->getSize());
00030 int end = state_->getRandomizer()->getRandomInteger(start, p1->getSize() - 1);
00031
00032 std::map<int, int> subSet;
00033
00034 int ind1 = state_->getRandomizer()->getRandomInteger(p1->getSize() - 1);
00035 int ind2 = state_->getRandomizer()->getRandomInteger(ind1, p1->getSize() - 1);
00036
00037
00038 for(int i = ind1; i <= ind2; i++) {
00039 ch->variables[i] = p1->variables[i];
00040 subSet[p1->variables[i]] = 0;
00041 }
00042 int indexChild = (ind2 + 1) % p1->getSize();
00043 std::map<int, int>::iterator iter = subSet.begin();
00044
00045
00046
00047
00048
00049 do {
00050 ind2 = (++ind2) % p1->getSize();
00051 if(subSet.find(p2->variables[ind2]) == subSet.end()) {
00052 ch->variables[indexChild] = p2->variables[ind2];
00053 indexChild = (++indexChild) % p1->getSize();
00054 }
00055 } while(indexChild != ind1);
00056
00057 return true;
00058 }
00059
00060 }