#include "primitiveFields.H"
#include "cpuTime.H"
#include "IOstreams.H"
#include "OFstream.H"

using namespace Foam;

int main()
{
    const label nIter = 100;
    const label size = 1000000;

    Info<< "Initialising fields" << endl;

    vectorField
        vf1(size, vector::one),
        vf2(size, vector::one),
        vf3(size, vector::one),
        vf4(size);

    Info<< "Done\n" << endl;

    {
        cpuTime executionTime;

        Info<< "vectorField algebra" << endl;

        for (int j=0; j<nIter; j++)
        {
            vf4 = vf1 + vf2 - vf3;
        }

        Info<< "ExecutionTime = "
            << executionTime.elapsedCpuTime()
            << " s\n" << endl;

        Snull<< vf4[1] << endl << endl;
    }

    return 0;
}