gslice of valarray : valarray slice « valarray « C++ Tutorial

1. C++ Tutorial
2. valarray
3. valarray slice

#include <iostream>
#include <valarray>
using namespace std;
   
int main()
{
  valarray<int> v(12), result;
  valarray<size_t> len(2), interval(2);
  unsigned int i;
   
  for(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(i=0; i<12; i++)
    cout << v[i] << " ";
  cout << endl;
   
  result = v[gslice(0,len,interval)];
   
  cout << "Contents of result: ";
  for(i=0; i<result.size(); i++)
    cout << result[i] << " ";
   
  return 0;
}