#include "fitness.h"


// operator krizeni
// obdoba binarniho dvoubodoveho krizeni 
//
class MyXover : public eoQuadOp<MyIndividual> {

public:  
  string className() const { return "MyCrossover"; }

  bool operator()(MyIndividual& ind1, MyIndividual & ind2) 
  {
    int crosspoint1 = rng.random( ind1.size() ); 
    int crosspoint2 = rng.random( ind1.size() ); 

    for (int i=crosspoint1; i<crosspoint2; i++) {
      int buff = ind1[i];
      ind1[i] = ind2[i];
      ind2[i] = buff;
    }
    
    return true; 
  }
};


// operator mutace
// zmeni nahodne jednu pozici (t.j. prehozeni jednoho nahodne vybraneho predmetu  
// na nahodne vybranou hromadku) 
// 
class MyMut: public eoMonOp<MyIndividual>
{
public:
  
  string className() const { return "MyMutation"; }

  MyMut(int _K) : K(_K) {}; 

  bool operator()(MyIndividual & ind) {
    
    for (int i=0; i<5; i++) {
      int change = rng.random( ind.size() );
      ind[change] = rng.random(  K ); 
    }

    return true; 
  }

private:
  int K; 
};