diff options
Diffstat (limited to 'numpy/ma')
| -rw-r--r-- | numpy/ma/core.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/numpy/ma/core.py b/numpy/ma/core.py index 98100621e..673cfb1ab 100644 --- a/numpy/ma/core.py +++ b/numpy/ma/core.py @@ -940,7 +940,9 @@ class _MaskedBinaryOperation: # Revert result to da where masked if m.any(): np.putmask(result, m, 0) - result += m * da + # This only makes sense if the operation preserved the dtype + if result.dtype == da.dtype: + result += m * da # Transforms to a (subclass of) MaskedArray result = result.view(get_masked_subclass(a, b)) result._mask = m |