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| author | Matti Picus <matti.picus@gmail.com> | 2020-01-06 15:41:03 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-06 15:41:03 +0200 |
| commit | 90c2a551919474ae4f1669bb956f20316ec7580f (patch) | |
| tree | 1909bd8b19648b7c53d9be510801685a7e01b206 /numpy | |
| parent | c28fc48328e9621160debae4d0d99feeff3b8fdf (diff) | |
| parent | 9132123e9d49e6fd68b164b82e01566041d5f5e9 (diff) | |
| download | numpy-90c2a551919474ae4f1669bb956f20316ec7580f.tar.gz | |
Merge pull request #15253 from adeak/docbug_view_none
DOC: clarify the effect of None parameters passed to ndarray.view
Diffstat (limited to 'numpy')
| -rw-r--r-- | numpy/core/_add_newdocs.py | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/numpy/core/_add_newdocs.py b/numpy/core/_add_newdocs.py index 0dc46b6ad..f36c6941f 100644 --- a/numpy/core/_add_newdocs.py +++ b/numpy/core/_add_newdocs.py @@ -4069,21 +4069,26 @@ add_newdoc('numpy.core.multiarray', 'ndarray', ('var', add_newdoc('numpy.core.multiarray', 'ndarray', ('view', """ - a.view(dtype=None, type=None) + a.view([dtype][, type]) New view of array with the same data. + .. note:: + Passing None for ``dtype`` is different from omitting the parameter, + since the former invokes ``dtype(None)`` which is an alias for + ``dtype('float_')``. + Parameters ---------- dtype : data-type or ndarray sub-class, optional - Data-type descriptor of the returned view, e.g., float32 or int16. The - default, None, results in the view having the same data-type as `a`. + Data-type descriptor of the returned view, e.g., float32 or int16. + Omitting it results in the view having the same data-type as `a`. This argument can also be specified as an ndarray sub-class, which then specifies the type of the returned object (this is equivalent to setting the ``type`` parameter). type : Python type, optional - Type of the returned view, e.g., ndarray or matrix. Again, the - default None results in type preservation. + Type of the returned view, e.g., ndarray or matrix. Again, omission + of the parameter results in type preservation. Notes ----- |