#include <itpp/itbase.h>

using namespace itpp;

//These lines are needed for use of cout and endl
using std::cout;
using std::endl;

int main() {
    //Declare the scalars used:
    long i, sum, N;

    //Declare tt as an instance of the timer class:
    Real_Timer tt;

    //Initiate the variables:
    N = 1000000;
    sum = 0;

    //Start and reset the timer:
    tt.tic();

    //Do some processing
    for ( i = 0; i < N; i++ ) {
        sum += i;
    }

    // Print the elapsed time
    tt.toc_print();

    //Print the result of the processing:
    cout << "The sum of all integers from 0 to " << N - 1 << " equals " << sum << endl;

    //Exit program:
    return 0;

}