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

#include "../ECF_base.h"
#include "Permutation.h"


namespace Permutation
{

void PermutationMutIns::registerParameters(StateP state)
{
    myGenotype_->registerParameter(state, "mut.ins", (voidP) new double(0), ECF::DOUBLE);
}


bool PermutationMutIns::initialize(StateP state)
{
    voidP sptr = myGenotype_->getParameterValue(state, "mut.ins");
    probability_ = *((double*)sptr.get());
    return true;
}


bool PermutationMutIns::mutate(GenotypeP gene)
{
    Permutation* perm = (Permutation*) (gene.get());

    //navjeæi indeks za prvi element insert mutacije
    //mora biti maksimalno predzadnji u nizu
    int ind1 = state_->getRandomizer()->getRandomInteger(perm->getSize() - 1);
    int ind2 = state_->getRandomizer()->getRandomInteger(ind1, perm->getSize() - 1);
    int temp = perm->variables[ind2];

    //posmicemo udesno
    for(int i = ind2; i > ind1; i--) {
        //temp=perm->variables[i];
        perm->variables[i] = perm->variables[i - 1];
    }
    //za slucaj da su indeksi razliciti stavljamo element koji smo prebrisali
    //tj zadnji element podniza iza prvog elementa
    //inace se for petlja uopce nije izvrsila pa bismo 2x isti element imali
    if(ind1 != ind2)
        perm->variables[ind1 + 1] = temp;

    return true;
}

}