//********************************************//
//************* matrici v2.02.02 *************//
//**************** by mamo139 ****************//
//******* http://mamo139.altervista.org ******//
//********************************************//

#ifndef _MATRICI_H
#define _MATRICI_H 1

#include <cstdlib>
#include <iostream>

#include <stdio.h>
#include <stdlib.h>
#include <math.h>


//costanti
typedef enum {
    MATRICI_CUT_ROW,
    MATRICI_CUT_COLUMN
} matrici_cut_mode; 

typedef enum {
    MATRICI_JOIN_HORIZONTALLY,
    MATRICI_JOIN_VERTICALLY
} matrici_join_mode; 

//**************** class ******************//

class matrice {
    private:
        int r;
        int c;
        double ** m;

    public:        
        //costruttore e distruttore
        matrice();
        matrice(const matrice& o);//copy constructor
        ~matrice();
        
        //crea matrice
        void create(int r, int c);
        void create_with_value(int r, int c, double value);
        
        //visualizza matrice
        void print();
        
        //info matrice
        int rows();
        int columns();
        double get_value(int r0, int c0);
        void set_value(int r0, int c0, double value);
        double *operator[](int i);
        
        //caricamento - salvataggio matrici
        void load_from_file(char * file);
        void save_in_file(char * file);
        
        //assignment operator
        matrice operator=(const matrice o);
        
        //operazioni matrici con matrici
        friend matrice operator+(matrice a, matrice b);
        friend matrice operator-(matrice a, matrice b);
        friend matrice operator*(matrice a,matrice b);
        
        //operazioni matrici con scalari
        friend matrice operator+(double scal,matrice a);
        friend matrice operator+(matrice a, double scal);
        friend matrice operator-(double scal,matrice a);
        friend matrice operator-(matrice a, double scal);
        friend matrice operator*(double scal,matrice a);
        friend matrice operator*(matrice a, double scal);
        
        //altre operazioni
        friend matrice matrici_transpose(matrice a);
        friend double matrici_determinant(matrice a);
        friend matrice matrici_invert(matrice a);
        
        //modifica matrici
        friend matrice matrici_cut(matrice a, matrici_cut_mode mode, int pos);
        friend matrice matrici_join(matrice a, matrice b, matrici_join_mode mode);
        
        
};
    
    
#endif