source: cpp/frams/genetics/fF/oper_fF.cpp @ 151

// This file is a part of the Framsticks GDK.
// Copyright (C) 2002-2014  Maciej Komosinski and Szymon Ulatowski.  See LICENSE.txt for details.
// Refer to http://www.framsticks.com/ for further information.

#include "oper_fF.h"
#include "fF_genotype.h"
#include <common/nonstd.h> //randomN, rnd01


#define FIELDSTRUCT GenoOper_fF
static ParamEntry GENOfFparam_tab[] =
{
        { "Genetics: fF", 1, 1, },
        { "fF_xover", 0, 0, "Averaging crossover proportion", "f 0 0.5 0.5", FIELD(xover_proportion), "0.5 => children are averaged parents.\n0.2 => children are only 20% different from parents.\n0 => each child is identical to one parent (no crossover).", },
        { 0, },
};
#undef FIELDSTRUCT


GenoOper_fF::GenoOper_fF()
{
        par.setParamTab(GENOfFparam_tab);
        par.select(this);
        par.setDefault();
        supported_format = 'F';
}

int GenoOper_fF::checkValidity(const char* gene)
{
        fF_growth_params par;
        return par.load(gene) ? GENOPER_OK : 1;
}

int GenoOper_fF::validate(char *&gene)
{
        fF_growth_params par; //is initialized with default values
        par.load(gene); //loads as much as possible, other fields remain with default values
        string validated = par.save();
        free(gene);
        gene = strdup(validated.c_str()); //reallocate
        return GENOPER_OK;
}

//Creep-mutate one property
int GenoOper_fF::mutate(char *&gene, float &chg, int &method)
{
        method = 0;
        fF_growth_params par;
        par.load(gene);
        int which = randomN(par.param.getPropCount());
        bool mutated_ok = GenoOperators::mutatePropertyNaive(par.param, which);
        if (mutated_ok)
        {
                string saved = par.save();
                free(gene);
                gene = strdup(saved.c_str()); //reallocate
                chg = 1.0f / par.param.getPropCount();
                return GENOPER_OK;
        }
        else
        {
                chg = 0;
                return GENOPER_OPFAIL;
        }
}

///Averaging crossover
int GenoOper_fF::crossOver(char *&g1, char *&g2, float& chg1, float& chg2)
{
        //g1 = strdup("1,0.5,0.5,0.5,0.5,1,1"); //testing...
        //g2 = strdup("4,1,  1,  1,  1,  2,2"); //testing...
        //xover_proportion = 0.1; //testing...
        fF_growth_params par1;
        par1.load(g1);
        fF_growth_params par2;
        par2.load(g2);
        chg1 = xover_proportion;
        chg2 = 1 - xover_proportion;
        for (int i = 0; i < par1.param.getPropCount(); i++)
                GenoOperators::linearMix(par1.param, i, par2.param, i, xover_proportion);
        string saved = par1.save();
        free(g1);
        g1 = strdup(saved.c_str()); //reallocate
        saved = par2.save();
        free(g2);
        g2 = strdup(saved.c_str()); //reallocate
        return GENOPER_OK;
}

///Applying some colors and font styles...
unsigned long GenoOper_fF::style(const char *g, int pos)
{
        char ch = g[pos];
        unsigned long style = GENSTYLE_CS(0, GENSTYLE_INVALID); //default, should be changed below
        if (strchr("-.e 0123456789", ch) != NULL)
                style = GENSTYLE_CS(GENCOLOR_NUMBER, GENSTYLE_NONE);
        else if (ch == ',')
                style = GENSTYLE_RGBS(0, 0, 0, GENSTYLE_BOLD);
        return style;
}