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| author | Allan Haldane <allan.haldane@gmail.com> | 2015-06-19 18:58:59 -0400 |
|---|---|---|
| committer | Allan Haldane <allan.haldane@gmail.com> | 2017-09-07 16:47:36 -0400 |
| commit | 7412b85a1b4920e5b72ab694e51b11e4cb615866 (patch) | |
| tree | 8daf3914cedfb671869982daa04bac027864bc2b /numpy/ma/core.py | |
| parent | 2afa142ae6ee121f6c75f28403526e35473ee6d5 (diff) | |
| download | numpy-7412b85a1b4920e5b72ab694e51b11e4cb615866.tar.gz | |
MAINT: improve struct assignment, allow multi fields views
This commit attempts to make structure assignment more consistent, and
then changes multi-field indices to return a view instead of a copy.
Assignment between structures now works "by field position" rather than
"by field name".
Fixes #2353, fixes #6085, fixes #3351, fixes #6085, fixes #6314,
fixes #2346, fixes #7058, fixes #3641, fixes #5994, fixes #7262,
fixes #7493
Diffstat (limited to 'numpy/ma/core.py')
| -rw-r--r-- | numpy/ma/core.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/numpy/ma/core.py b/numpy/ma/core.py index 8efe45eed..78e7b27a7 100644 --- a/numpy/ma/core.py +++ b/numpy/ma/core.py @@ -1613,6 +1613,11 @@ def make_mask(m, copy=False, shrink=True, dtype=MaskType): # Make sure the input dtype is valid. dtype = make_mask_descr(dtype) + + # legacy boolean special case: "existence of fields implies true" + if isinstance(m, ndarray) and m.dtype.fields and dtype == np.bool_: + return np.ones(m.shape, dtype=dtype) + # Fill the mask in case there are missing data; turn it into an ndarray. result = np.array(filled(m, True), copy=copy, dtype=dtype, subok=True) # Bas les masques ! |