public void PerformaceBitmapSimulation()
{
var npRealWorldBitmap = new NDArrayGeneric <byte>();
//npRealWorldBitmap.ARange(2081 * 2531);
npRealWorldBitmap.reshape(2531, 2081);
}
public void ReshapeNegative()
{
var np = new NDArrayGeneric <int>();
np.arange(12);
np.reshape(-1, 2);
Assert.IsTrue(np.Shape.Shapes[0] == 6);
Assert.IsTrue(np.Shape.Shapes[1] == 2);
np.arange(12);
np.reshape(2, -1);
Assert.IsTrue(np.Shape.Shapes[0] == 2);
Assert.IsTrue(np.Shape.Shapes[1] == 6);
np.arange(12);
np.reshape(1, 3, 4);
np.reshape(-1, 3);
Assert.IsTrue(np.Shape.Shapes[0] == 4);
Assert.IsTrue(np.Shape.Shapes[1] == 3);
np.arange(12);
np.reshape(1, 3, 4);
np.reshape(3, -1);
Assert.IsTrue(np.Shape.Shapes[0] == 3);
Assert.IsTrue(np.Shape.Shapes[1] == 4);
np.arange(100 * 100 * 3);
np.reshape(100, 100, 3);
np.reshape(-1, 3);
Assert.IsTrue(np.Shape.Shapes[0] == 10000);
Assert.IsTrue(np.Shape.Shapes[1] == 3);
np.arange(15801033);
np.reshape(2531, 2081, 3);
np.reshape(-1, 3);
Assert.IsTrue(np.Shape.Shapes[0] == 5267011);
Assert.IsTrue(np.Shape.Shapes[1] == 3);
}
public static NDArrayGeneric <double> Zeros(this NDArrayGeneric <double> np, params int[] shape)
{
int length = 1;
for (int i = 0; i < shape.Length; i++)
{
length *= shape[i];
}
np.Data = Enumerable.Range(0, length).Select(x => 0.0).ToArray();
np.reshape(shape);
return(np);
}
