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| author | Charles Harris <charlesr.harris@gmail.com> | 2016-05-24 10:29:18 -0600 |
|---|---|---|
| committer | Charles Harris <charlesr.harris@gmail.com> | 2016-05-24 10:29:18 -0600 |
| commit | 85f66400d6e02c25eb80d673a8b993af614d42b2 (patch) | |
| tree | 5d12863b6a946164fee8933c1517f0750e4fe2f2 /numpy/lib/tests/test_function_base.py | |
| parent | 59a7b250d4076d58c8b48bdf3800f2b1eac41e1b (diff) | |
| parent | 65279ff854825f3421cc210450e4cf24acdd3866 (diff) | |
| download | numpy-85f66400d6e02c25eb80d673a8b993af614d42b2.tar.gz | |
Merge pull request #7667 from rkern/fix/histogram-accuracy
Restore histogram consistency
Diffstat (limited to 'numpy/lib/tests/test_function_base.py')
| -rw-r--r-- | numpy/lib/tests/test_function_base.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py index 0f71393ad..868a28036 100644 --- a/numpy/lib/tests/test_function_base.py +++ b/numpy/lib/tests/test_function_base.py @@ -1407,6 +1407,17 @@ class TestHistogram(TestCase): assert_raises(ValueError, histogram, vals, range=[np.nan,0.75]) assert_raises(ValueError, histogram, vals, range=[0.25,np.inf]) + def test_bin_edge_cases(self): + # Ensure that floating-point computations correctly place edge cases. + arr = np.array([337, 404, 739, 806, 1007, 1811, 2012]) + hist, edges = np.histogram(arr, bins=8296, range=(2, 2280)) + mask = hist > 0 + left_edges = edges[:-1][mask] + right_edges = edges[1:][mask] + for x, left, right in zip(arr, left_edges, right_edges): + self.assertGreaterEqual(x, left) + self.assertLess(x, right) + class TestHistogramOptimBinNums(TestCase): """ |