00001 #include "../ECF_base.h"
00002 #include "Permutation.h"
00003 #include <map>
00004
00005
00006 namespace Permutation
00007 {
00008
00009 void PermutationCrsULX::registerParameters(StateP state)
00010 {
00011 myGenotype_->registerParameter(state, "crx.ULX", (voidP) new double(0), ECF::DOUBLE);
00012 }
00013
00014
00015 bool PermutationCrsULX::initialize(StateP state)
00016 {
00017 voidP sptr = myGenotype_->getParameterValue(state, "crx.ULX");
00018 probability_ = *((double*)sptr.get());
00019 return true;
00020 }
00021
00022
00023 bool PermutationCrsULX::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 std::map<int, int> numCopied;
00030 std::vector<int> free;
00031
00032 for (int i = 0; i < (int) p1->getSize(); i++) {
00033 bool copied = true;
00034 if (p1->variables[i] == p2->variables[i]) {
00035 ch->variables[i] = p1->variables[i];
00036 } else if (!numCopied[p1->variables[i]] && !numCopied[p2->variables[i]]) {
00037 ch->variables[i] = state_->getRandomizer()->getRandomInteger(0, 1) ? p1->variables[i] : p2->variables[i];
00038 } else if (!numCopied[p1->variables[i]]) {
00039 ch->variables[i] = p1->variables[i];
00040 } else if (!numCopied[p2->variables[i]]) {
00041 ch->variables[i] = p2->variables[i];
00042 } else {
00043 copied = false;
00044 free.push_back(i);
00045 }
00046 if (copied)
00047 numCopied[ch->variables[i]] = 1;
00048 }
00049
00050 if (free.size() > 0) {
00051 for (int i = 0; i < (int) p1->getSize(); i++) {
00052 if (!numCopied[i]) {
00053 int r = state_->getRandomizer()->getRandomInteger((int) free.size());
00054
00055 ch->variables[free[r]] = i;
00056 free.erase(free.begin() + r);
00057 }
00058 if (free.size() == 0) break;
00059 }
00060 }
00061
00062 return true;
00063 }
00064
00065 }
