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