[NumPy-Tickets] [NumPy] #2055: Fix can_cast to deal with struct dtypes

[NumPy Trac]

#2055: Fix can_cast to deal with struct dtypes
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 Reporter:  mwiebe  |       Owner:  somebody   
     Type:  defect  |      Status:  new        
 Priority:  normal  |   Milestone:  Unscheduled
Component:  Other   |     Version:  devel      
 Keywords:          |  
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 Matthew Brett noticed that can_cast has some weird behaviors when calling
 it with struct dtypes. The email thread starts here:

 http://mail.scipy.org/pipermail/numpy-discussion/2012-February/060388.html

 He had a suggestion for beginning to approach the problem:

 How about, at a first pass, returning True for conversion of void
 types only if input dtype == output dtype, then adding more
 sophisticated rules later?

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Ticket URL: <http://projects.scipy.org/numpy/ticket/2055>
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