rendered paste body#include <stdio.h>#include <math.h>#include <iostream>using namespace std;#define N 3class Vector3f{ public: float polje[N]; Vector3f(){ for( int i=0; i<3; i++){ polje[i]=0; } } Vector3f(float, float, float); Vector3f(float a[3]); Vector3f(const Vector3f &); Vector3f& operator = (const Vector3f &temp){ if(this != &temp){ this->polje[0] = temp.polje[0]; this->polje[1] = temp.polje[1]; this->polje[2] = temp.polje[2]; } return *this; } //sale = sale + tena //sale += tena Vector3f& operator += (const Vector3f &temp){ this->polje[0] = this->polje[0] + temp.polje[0]; this->polje[1] = this->polje[1] + temp.polje[1]; this->polje[2] = this->polje[2] + temp.polje[2]; return *this; } Vector3f& operator -= (const Vector3f &); Vector3f& operator *= (float temp){ this->polje[0] = this->polje[0] * temp; return *this; } Vector3f& operator + (const Vector3f &temp) const{ // this upucuje na lijevu stranu operatora kojeg preopterecujemo // npr c= a + b, ako preopt +, this upucuje na a; Vector3f rez = *this; // kopiramo a u rez; rez += temp; // koristimo vec preoptereceni operator += return rez; } bool operator== (const Vector3f &temp) const{ bool nest; if ( this->polje[0] == temp.polje[0] && this->polje[1] == temp.polje[1] && this->polje[2] == temp.polje[2] ) nest = 1; else nest = 0; return nest; } bool operator !=(const Vector3f &temp) const{ bool nest; if (*this == temp) nest=0; else nest=1; return nest; } float& operator[](unsigned int temp){ return this->polje[temp]; } Vector3f& vec_produkt(Vector3f& temp){ Vector3f rez; rez.polje[0] = this->polje[1] * temp.polje[2] - temp.polje[1] * this->polje[2]; rez.polje[1] = this->polje[0] * temp.polje[2] - temp.polje[0] * this->polje[2]; rez.polje[2] = this->polje[0] * temp.polje[1] - temp.polje[0] * this->polje[1]; rez.ispisi(); return rez; } void ispisi();};class Matrix3f{ public: Vector3f matrica[N]; float a[N][N]; // prva dimenzija matrice float b[N][N]; // druga float c[N][N]; // treca Matrix3f(){ for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ a[i][j] = 0; b[i][j] = 0; c[i][j] = 0; } } } Matrix3f(float polje2D[][N]){ // treba predat 2D polje tipa {{1,1,1},{2,2,2},{3,3,3}} for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ a[i][j] = polje2D[i][j]; b[i][j] = polje2D[i][j]; c[i][j] = polje2D[i][j]; } } } Matrix3f& operator = (const Matrix3f& temp){ for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ this->a[i][j] = temp.a[i][j]; this->b[i][j] = temp.b[i][j]; this->c[i][j] = temp.c[i][j]; } } return *this; } Matrix3f& operator += (const Matrix3f& temp){ for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ this->a[i][j] = this->a[i][j] + temp.a[i][j]; this->b[i][j] = this->b[i][j] + temp.b[i][j]; this->c[i][j] = this->c[i][j] + temp.c[i][j]; } } return *this; } void ispisi(){ cout << "A dimenzija: " << endl; for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ cout << a[i][j] << " "; } cout << endl; } cout << "B dimenzija: " << endl; for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ cout << b[i][j] << " "; } cout << endl; } cout << "C dimenzija: " << endl; for(int i=0; i<N; i++){ for( int j=0; j<N; j++){ cout << c[i][j] << " "; } cout << endl; } }};int main(){ Vector3f prvi; prvi.ispisi(); Vector3f drugi(1,2,3); drugi.ispisi(); Vector3f treci(prvi); treci.ispisi(); float b[3] = {7,8,9}; Vector3f tena(b); tena.ispisi(); Vector3f sale(2,3,4); sale.ispisi(); sale += tena; sale *= 5; cout << "sale " << endl; sale.ispisi(); Vector3f beba; beba = sale + tena; beba.ispisi(); beba = sale; if (beba != sale) cout << "da" << endl; else cout << "ne " << endl; cout << beba[2] << endl; Vector3f jedan(1,1,1); Vector3f produkt; produkt = jedan.vec_produkt(drugi); produkt.ispisi(); Matrix3f pero; pero.ispisi(); float s[3][3] = { {1,2,3},{4,5,6},{7,8,9}}; Matrix3f perica(s); perica.ispisi(); pero = s; pero.ispisi(); pero +=s; pero.ispisi(); return 0;}void Vector3f::ispisi(){ cout << "Vector3f: " << endl; for( int i=0; i<3; i++){ cout << polje[i] << "\t"; } cout << endl;}Vector3f::Vector3f(float x,float y,float z){ polje[0]=x; polje[1]=y; polje[2]=z;}Vector3f::Vector3f(const Vector3f &temp){ for( int i=0; i<3; i++){ polje[i] = temp.polje[i]; }}Vector3f::Vector3f(float a[3]){ for( int i=0; i<3; i++) polje[i]=a[i];}