tinyarray.cc (flens/examples/tinyarray.cc)

      1
      2
      3
      4
      5
      6
      7
      8
      9
     10
     11
     12
     13
     14
     15
     16
     17
     18
     19
     20
     21
     22
     23
     24
     25
     26
     27
     28
     29
     30
     31
     32
     33
     34
     35
     36
     37
     38
     39
     40
     41
     42
     43
     44
     45
     46
     47
     48
     49
     50
     51
     52
     53
     54
     55

#include <flens/flens.cxx>

using namespace flens;

using namespace std;

typedef float T;

int

main()

{

    const int n = 10;

    typedef TinyArray<T, n>                Engine;

    typedef TinyArrayView<T, n/2, 2>       EngineView;

    typedef TinyConstArrayView<T, n/2, 2>  EngineConstView;

    typedef TinyVector<Engine>                  TVector;

    typedef TinyVector<EngineView>              TVectorView;

    typedef TinyVector<EngineConstView>         TVectorConstView;

    TVector x, y;

    for (int i=1; i<=n; ++i) {

        x(i) = i;

        y(i) = 0;

    }

    cout << "x = " << x << endl;

    cout << "y = " << y << endl;

    y += 2*x;

    cout << "y = " << y << endl;

    const TVectorView  x2(EngineView(x.data()));

    TVectorView        y2(EngineView(y.data()));

    cout << "x2 = " << x2 << endl;

    cout << "y2 = " << y2 << endl;

    y2 += 2*x2;

    cout << "y = " << y << endl;

    TVectorConstView  cx2(EngineConstView(x.engine().data()));

    cout << "cx2 = " << cx2 << endl;

    y2 += cx2;

    cout << "y = " << y << endl;

    y *= 2;

    cout << "y = " << y << endl;

    y /= 2;

    cout << "y = " << y << endl;

    y = 2*x + 4*x + 7*x;

    cout << "x = " << x << endl;

    cout << "y = " << y << endl;

}