szha commented on a change in pull request #10347: [MXNET-257] Do not copy when casting as
same type
URL: https://github.com/apache/incubator-mxnet/pull/10347#discussion_r178471936
##########
File path: python/mxnet/ndarray/sparse.py
##########
@@ -179,19 +179,27 @@ def asnumpy(self):
"""
return self.tostype('default').asnumpy()
- def astype(self, dtype):
+ def astype(self, dtype, copy=True):
"""Returns a copy of the array after casting to a specified type.
Parameters
----------
dtype : numpy.dtype or str
The type of the returned array.
+ copy : bool
+ Default `True`. By default, astype always returns a newly
+ allocated ndarray on the same context. If this is set to
+ False, and the dtype requirement is satisfied,
Review comment:
It's unclear what the `dtype requirement` here is from the doc. Please fix.
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