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| author | Matthew Bowden <bowdenm@spu.edu> | 2018-10-10 10:07:03 -0700 |
|---|---|---|
| committer | Matthew Bowden <bowdenm@spu.edu> | 2018-10-10 10:07:03 -0700 |
| commit | e4e897fa1740ee4efaa276457debda9b8707b457 (patch) | |
| tree | d567d4599f91615aeb05233554aeece5d13df623 /numpy/lib/histograms.py | |
| parent | cb9add3de86a5b886e08b5b649be7e6ccdf5f927 (diff) | |
| download | numpy-e4e897fa1740ee4efaa276457debda9b8707b457.tar.gz | |
BUG: Allow boolean subtract in histogram
Convert bool to uint at start, rather than attempt a XOR
Only check type against np.bool_
Refactor warnings check
Diffstat (limited to 'numpy/lib/histograms.py')
| -rw-r--r-- | numpy/lib/histograms.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/numpy/lib/histograms.py b/numpy/lib/histograms.py index f03f30fb0..6a66e4a73 100644 --- a/numpy/lib/histograms.py +++ b/numpy/lib/histograms.py @@ -220,6 +220,14 @@ _hist_bin_selectors = {'auto': _hist_bin_auto, def _ravel_and_check_weights(a, weights): """ Check a and weights have matching shapes, and ravel both """ a = np.asarray(a) + + # Ensure that the array is a "subtractable" dtype + if a.dtype == np.bool_: + warnings.warn("Converting input from {} to {} for compatibility." + .format(a.dtype, np.uint8), + RuntimeWarning, stacklevel=2) + a = a.astype(np.uint8) + if weights is not None: weights = np.asarray(weights) if weights.shape != a.shape: |