public void TestRandomProjection()
{
var a = _lap.CreateMatrix(256, 256, (x, y) => x * y).AsIndexable();
var projector = _lap.CreateRandomProjection(256, 32);
var projections = projector.Compute(a);
Assert.IsTrue(projections.ColumnCount == 32);
Assert.IsTrue(projections.RowCount == 256);
}