[Numpy-discussion] dtype comparison and hashing - bug?
Matthew Brett
matthew.brett at gmail.com
Wed Oct 20 04:08:20 EDT 2010
Hi,
I have just run into this oddness:
In [28]: dt1 = np.dtype('f4')
In [29]: dt1.str
Out[29]: '<f4'
In [30]: dt2 = dt1.newbyteorder('<')
In [31]: dt2.str
Out[31]: '<f4'
In [32]: dt1 == dt2
Out[32]: True
In [33]: hash(dt1) == hash(dt2)
Out[33]: False
This is the same as:
http://www.mail-archive.com/numpy-discussion@scipy.org/msg13299.html
My question was - does the team still agree this is a bug? Can anyone
offer a pointer as to how it should be fixed?
Best,
Matthew
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