FloatingPointCrsBlx.cpp

#include "../ECF_base.h"
#include "FloatingPoint.h"
 
 
namespace FloatingPoint
{
 
void FloatingPointCrsBlx::registerParameters(StateP state)
{
    myGenotype_->registerParameter(state, "crx.blx", (voidP) new double(0), ECF::DOUBLE);
    myGenotype_->registerParameter(state, "crx.blx.alpha", (voidP) new double(0.5), ECF::DOUBLE);
}
 
 
bool FloatingPointCrsBlx::initialize(StateP state)
{
    voidP sptr = myGenotype_->getParameterValue(state, "crx.blx");
    probability_ = *((double*)sptr.get());
 
    useAlpha = false;
    if(myGenotype_->isParameterDefined(state, "crx.blx.alpha"))
        useAlpha = true;
 
    sptr = myGenotype_->getParameterValue(state, "crx.blx.alpha");
    alpha = *((double*)sptr.get());
 
    return true;
}
 
 
bool FloatingPointCrsBlx::mate(GenotypeP gen1, GenotypeP gen2, GenotypeP child)
{
    FloatingPoint* p1 = (FloatingPoint*) (gen1.get());
    FloatingPoint* p2 = (FloatingPoint*) (gen2.get());
    FloatingPoint* ch = (FloatingPoint*) (child.get());
 
    double min1, max1, min2, max2, min, max, a, b, I;
 
    min1 = p1->realValue[0];
    max1 = p1->realValue[0];
    min2 = p2->realValue[0];
    max2 = p2->realValue[0];
    for (uint i = 1; i < p1->realValue.size(); i++) {
        if (p1->realValue[i] < min1)
            min1 = p1->realValue[i];
        if (p1->realValue[i] > max1)
            max1 = p1->realValue[i];
 
        if (p2->realValue[i] < min2)
            min2 = p2->realValue[i];
        if (p2->realValue[i] > max2)
            max2 = p2->realValue[i];
    }
    min = (min1 < min2)?min1:min2;
    max = (max1 > max2)?max1:max2;
    if(useAlpha)
        b = alpha;
    else
        b = state_->getRandomizer()->getRandomDouble();
    I = max - min;
    min = min - I*b;
    max = max + I*b;
    for (uint i = 0; i < p1->realValue.size(); i++) {
        a = state_->getRandomizer()->getRandomDouble();
        a = min + a*(max-min); // s obzirom da nema tako neceg u SimpleRandomizeru dodao sam ovdje
        ch->realValue[i] = a;
    }
 
    return true;
}
 
}