public void different_sizes_throws()
{
var left = new VectorD(5);
var right = new VectorD(3);
Assert.Throws <ArgumentOutOfRangeException>(() => left.GetDot(right));
}
public void zero_size_returns_zero()
{
var left = new VectorD(0);
var right = new VectorD(0);
var expected = 0.0;
var actual = left.GetDot(right);
Assert.Equal(expected, actual);
}
public void can_get_dot()
{
var left = new VectorD(3);
left.Set(0, 1.2);
left.Set(1, 3.0);
left.Set(2, -9.0);
var right = new VectorD(3);
right.Set(0, -1.1);
right.Set(1, 6.7);
right.Set(2, 3.3);
var expected = (1.2 * -1.1) + (3.0 * 6.7) + (-9.0 * 3.3);
var actual = left.GetDot(right);
Assert.Equal(expected, actual);
}
public void null_vector_throws()
{
var left = new VectorD(5);
Assert.Throws <ArgumentNullException>(() => left.GetDot((VectorD)null));
}
