Hi, Is it a bug ??
I tried to compile a cpp program which ran correctly on previous
release (sarge debian, gcc compiler 3 ), it gave errors, for the
declaration (even if I omit the symbols <> )
friend ostream & operator << <> (ostream & os, Vector <T> & tab);
for other declaration ( not friend), the + operator, it works !! here
is a complete example with errors at the compilation step.
If I omit the << operator, the program will run
Thank you for help
It works on previous compiler
-----------------------PROGRAM ------------------
#include <iostream>
using namespace std;
#define SIZE 10
template <class T>
class Vector{
protected:
int size;
T ptrVect[SIZE];
public:
Vector (int);
Vector(int , T a[]);
Vector <T> operator + ( Vector <T> & tab);
T & operator [] (int i);
void print(){
for (int i=0; i < size; i++)
cout <<" "<< ptrVect[i];
}
friend ostream & operator << <> (ostream & os, Vector <T> & tab);
};
template <class T>
Vector<T>::Vector(int nbre, T a[]){
size = nbre;
for (int i=0; i < size;i++)
ptrVect[i]= a [i];
}
template <class T>
Vector<T>::Vector(int nbre){
size = nbre;
}
template <class T>
T & Vector<T>::operator [] (int i){
return ptrVect [i];
}
template <class T>
Vector<T> Vector<T>::operator + ( Vector <T> & tab){
Vector<T> v(size);
v.size=size;
for(int i=0; i < size; i++){
v.ptrVect[i] = ptrVect[i] + tab.ptrVect[i];
}
return v;
}
template <class T>
ostream & operator << (ostream & os, Vector <T>& tab){
for(int i=0; i < tab.size;i++)
os << tab[i] <<" ";
return os;
}
int main(){
int A[]={14, 20,26 }, B[]={9,7,34};
Vector <int> v1(3, A), v2(3,B), v3(3);
v3= v1+v2;
cout << "\n first vector is ";
v1.print();
cout << "\n second one is ";
v2.print();
cout << "\n Their sum is " ;
cout << v3;
}
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