Demonstrate gslice() : gslice « STL Algorithms Helper « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Helper
3. gslice

#include <iostream>
#include <valarray>
using namespace std;

int main()
{
  valarray<int> v(12), result;
  valarray<size_t> len(2), interval(2);

  for(int i=0; i<12; i++)
     v[i] = i;

  len[0] = 3;
  len[1] = 3;
  interval[0] = 2;
  interval[1] = 3;

  cout << "Contents of v: ";
  for(int i=0; i<12; i++)
    cout << v[i] << " ";
  cout << endl;

  result = v[gslice(0,len,interval)];

  cout << "Contents of result: ";
  for(int i=0; i<result.size(); i++)
    cout << result[i] << " ";

  return 0;
}

Contents of v: 0 1 2 3 4 5 6 7 8 9 10 11
Contents of result: