diff options
Diffstat (limited to 'numpy/lib/tests/test_function_base.py')
| -rw-r--r-- | numpy/lib/tests/test_function_base.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py index 0b66ccf8c..a4f49a78b 100644 --- a/numpy/lib/tests/test_function_base.py +++ b/numpy/lib/tests/test_function_base.py @@ -1798,6 +1798,24 @@ class TestUnwrap: assert_array_equal(unwrap([1, 1 + 2 * np.pi]), [1, 1]) # check that unwrap maintains continuity assert_(np.all(diff(unwrap(rand(10) * 100)) < np.pi)) + + def test_period(self): + # check that unwrap removes jumps greater that 255 + assert_array_equal(unwrap([1, 1 + 256], period=255), [1, 2]) + # check that unwrap maintains continuity + assert_(np.all(diff(unwrap(rand(10) * 1000, period=255)) < 255)) + # check simple case + simple_seq = np.array([0, 75, 150, 225, 300]) + wrap_seq = np.mod(simple_seq, 255) + assert_array_equal(unwrap(wrap_seq, period=255), simple_seq) + # check custom discont value + uneven_seq = np.array([0, 75, 150, 225, 300, 430]) + wrap_uneven = np.mod(uneven_seq, 250) + no_discont = unwrap(wrap_uneven, period=250) + assert_array_equal(no_discont, [0, 75, 150, 225, 300, 180]) + sm_discont = unwrap(wrap_uneven, period=250, discont=140) + assert_array_equal(sm_discont, [0, 75, 150, 225, 300, 430]) + assert sm_discont.dtype == wrap_uneven.dtype class TestFilterwindows: |