00001 #include "../ECF_base.h"
00002 #include "Permutation.h"
00003
00004
00005 namespace Permutation
00006 {
00007
00008 void PermutationMutInv::registerParameters(StateP state)
00009 {
00010 myGenotype_->registerParameter(state, "mut.inv", (voidP) new double(0), ECF::DOUBLE);
00011 }
00012
00013
00014 bool PermutationMutInv::initialize(StateP state)
00015 {
00016 voidP sptr = myGenotype_->getParameterValue(state, "mut.inv");
00017 probability_ = *((double*)sptr.get());
00018 return true;
00019 }
00020
00021
00022 bool PermutationMutInv::mutate(GenotypeP gene)
00023 {
00024 Permutation* perm = (Permutation*) (gene.get());
00025
00026
00027 int ind1 = state_->getRandomizer()->getRandomInteger(perm->getSize() - 1);
00028 int ind2 = state_->getRandomizer()->getRandomInteger(ind1, perm->getSize() - 1);
00029 int temp = perm->variables[ind2];
00030 int distance = ind2 -ind1 + 1;
00031
00032 for(int i = 0; i < distance / 2; i++) {
00033 temp = perm->variables[ind1 + i];
00034 perm->variables[ind1 + i] = perm->variables[ind2 - i];
00035 perm->variables[ind2 - i] = temp;
00036 }
00037
00038 return true;
00039 }
00040
00041 }