GrayTranscribe.cpp

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#include "GrayTranscribe.h"
#include <cmath>
#include <boost/numeric/conversion/cast.hpp>

namespace gplib
  {
    GrayTranscribe::GrayTranscribe(const ttranscribed &base,
        const ttranscribed &step, const tsizev &gene) :
      BinaryTranscribe(base, step, gene)
      {
      }

    GrayTranscribe::~GrayTranscribe()
      {
      }

    ttranscribed GrayTranscribe::GetValues(const tpopmember &member)
      {
        unsigned int currentindex = 0;
        unsigned int currentmaxindex = 0;
        double currentvalue;
        double exponent;

        ttranscribed ReturnValues(genesizes.size());
        //for each model parameter
        for (unsigned int i = 0; i < genesizes.size(); ++i)
          {
            currentvalue = 0;
            //scan the corresponding section of the genetic string
            currentmaxindex = currentindex + genesizes(i);
            for (unsigned int j = currentindex; j < currentmaxindex; ++j)
              {
                exponent = 0.0;
                for (unsigned int k = j; k < currentmaxindex; ++k)
                  {
                    exponent += member(k);
                  }
                currentvalue += -1.0 * member(j) * std::pow(-1.0, exponent) * (std::pow(
                    2.0, boost::numeric_cast<int>(j - currentindex + 1)) - 1.0); //calculate the numeric value from the bits
              }
            currentvalue *= stepsizes(i);
            currentvalue += basevalues(i);
            currentindex += genesizes(i);
            ReturnValues(i) = currentvalue; //store in the right component
          }
        return (ReturnValues);
      }
  }