FloatingPointCrsBlxAlpha.cpp

#include "../ECF_base.h"
#include "FloatingPoint.h"
#include<cmath>
 
 
namespace FloatingPoint
{
 
void FloatingPointCrsBlxAlpha::registerParameters(StateP state)
{
    myGenotype_->registerParameter(state, "crx.blxalpha", (voidP) new double(0), ECF::DOUBLE);
    state->getRegistry()->registerEntry("alpha", (voidP) new double(0.5), ECF::DOUBLE);
}
 
 
bool FloatingPointCrsBlxAlpha::initialize(StateP state)
{
    voidP sptr = myGenotype_->getParameterValue(state, "crx.blxalpha");
    probability_ = *((double*)sptr.get());
 
    voidP par = state->getRegistry()->getEntry("alpha");
    alpha = *((double*) par.get());
    return true;
}
 
 
bool FloatingPointCrsBlxAlpha::mate(GenotypeP gen1, GenotypeP gen2, GenotypeP child)
{
    FloatingPoint* p1 = (FloatingPoint*) (gen1.get());
    FloatingPoint* p2 = (FloatingPoint*) (gen2.get());
    FloatingPoint* ch = (FloatingPoint*) (child.get());
 
    double min, max, a, I, resMin = 0, resMax = 0;
 
    for (uint i = 1; i < p1->realValue.size(); i++) {
        a = state_->getRandomizer()->getRandomDouble();
         if (p1->realValue[i] < p2->realValue[i]){
            min = p1->realValue[i];
         }
         else {
            min = p2->realValue[i];
         }
         if (p1->realValue[i] > p2->realValue[i]){
            max = p1->realValue[i];
         }
         else {
            max = p2->realValue[i];
         }
        I = fabs(max - min);
        resMin = min - I * alpha;
        resMax = max + I * alpha;
        ch->realValue[i] = resMin + a * fabs(resMax - resMin);
    }
 
    return true;
}
 
}