def test_trailing_min_linear_interpolation_degree():
f = Points(test_util.point_gen([1, 2, 3])).trailing_min(2, interpolation=0)
assert np.allclose(f.sample_points(), [(0, 1), (1, 1), (2, 2)])
assert f(0.5) == 1
assert f(1) == 1
assert f(1.5) == 1.5
assert f(2) == 2
def test_trailing_max_linear_interpolation_degree():
f = Points(test_util.point_gen([1, 2, 3, 2])).trailing_max(2,
interpolation=0)
assert np.allclose(f.sample_points(), [(0, 1), (1, 2), (2, 3), (3, 3)])
assert f(0.5) == 1.5
assert f(1) == 2
assert f(2) == 3
assert f(3) == 3
def test_trailing_min_previous_interpolation_period():
f = Points(test_util.point_gen([1, 2, 3])).trailing_min(1,
is_period=True,
interpolation=-1)
assert np.allclose(f.sample_points(), [(0, 1), (1, 1), (2, 2)])
assert f(0.5) == 1
assert f(1) == 1
assert f(1.5) == 1
assert f(2) == 2
def test_trailing_max_previous_interpolation_degree_3():
f = Points(test_util.point_gen([1, 2, 3, 2, 1,
1.5])).trailing_max(3, interpolation=-1)
assert np.allclose(f.sample_points(), [(0, 1), (1, 2), (2, 3), (3, 3),
(4, 3), (5, 2)])
assert f(0.5) == 1
assert f(1) == 2
assert f(2) == 3
assert f(3) == 3
assert f(4) == 3
assert f(4.5) == 3
assert f(5) == 2