/**
* One-point crossover
*
* @param cr1 index of parent 1 in poblation
* @param cr2 index of parent 2 in poblation
*/
public void onePointCrossover(int cr1, int cr2) {
RuleSet rule1 = poblacion[cr1];
RuleSet rule2 = poblacion[cr2];
// there are 3*number of attribute elements, plus class value in each cromosome
int cutpoint = Randomize.Randint(0, n_genes);
int cutpoint_rule = cutpoint / (3 * nAtt + 1);
int cutpoint_variable = cutpoint % (3 * nAtt + 1);
// rule1 is replaced from cutpoint (inclusive) to the end of his rule set
rule1.copyFromPointtoEnd(rule2, cutpoint_rule, cutpoint_variable);
// rule2 is replaced from the begining of his rule set to cutpoint (not inclusive)
rule2.copyFromBegintoPoint(rule1, cutpoint_rule, cutpoint_variable);
// childs must be evaluated
rule1.setEvaluated(false);
rule2.setEvaluated(false);
}
