//
// This is example code from Chapter 8.5.5 "Call by reference" of
// "Programming -- Principles and Practice Using C++" by Bjarne Stroustrup
//

#include "../std_lib_facilities.h"

//------------------------------------------------------------------------------

void init(vector<double>& v)      // call by reference
{
  for (int i = 0; i<v.size(); ++i) v[i] = i;
}

//------------------------------------------------------------------------------

void g(int x)
{
    vector<double> vd1(10);       // small vector
    vector<double> vd2(1000000);  // large vector
    vector<double> vd3(x);        // vector of some unknown size

    init(vd1);
    init(vd2);
    init(vd3);
}

//------------------------------------------------------------------------------

int main()
{
    g(10);
}

//------------------------------------------------------------------------------