public void projection_example_1()
{
var u = new VectorF(new[] { -1.0f, 2, 1, 3 });
var v = new VectorF(new[] { 2.0f, -1, 3, 1 });
var expected = u.GetScaled(2.0f / 15.0f);
var actual = u.GetProjected(v);
Assert.Equal(expected, actual);
}
public void source_vector_is_unchanged()
{
var actual = new VectorF(3);
actual.Set(0, 1);
actual.Set(1, 2);
actual.Set(2, -4);
var expected = new VectorF(actual);
var result = actual.GetScaled(2);
Assert.Equal(expected, actual);
}
public void can_get_scaled_vector()
{
var source = new VectorF(3);
source.Set(0, 1);
source.Set(1, 2);
source.Set(2, -4);
var expected = new VectorF(3);
expected.Set(0, 3);
expected.Set(1, 6);
expected.Set(2, -12);
var actual = source.GetScaled(3);
Assert.Equal(expected, actual);
}
