Mega Code Archive
Slice a valarray
<![CDATA[
#include <iostream>
#include <valarray>
#include <cmath>
using namespace std;
int main()
{
valarray<int> v(10);
for(int i=0; i<10; i++)
v[i] = i;
cout << "Original contents: ";
for(int i=0; i<10; i++)
cout << v[i] << " \n\n";
valarray<int> result = v[slice(0,5,2)];
cout << "Contents of result: ";
for(int i=0; i<result.size(); i++)
cout << result[i] << " ";
cout << endl;
}
/*
Original contents: 0
1
2
3
4
5
6
7
8
9
Contents of result: 0 2 4 6 8
*/
]]>