[NumPy-Tickets] [NumPy] #1701: NumPy dtype arithmetic is the opposite of Python type arithmetic!

NumPy Trac numpy-tickets@scipy....
Sun Dec 26 07:10:32 CST 2010


#1701: NumPy dtype arithmetic is the opposite of Python type arithmetic!
-------------------------+--------------------------------------------------
  Reporter:  pv00        |       Owner:  somebody
      Type:  defect      |      Status:  closed  
  Priority:  normal      |   Milestone:  2.0.0   
 Component:  numpy.core  |     Version:  1.5.0   
Resolution:  invalid     |    Keywords:  dtype   
-------------------------+--------------------------------------------------
Changes (by pv):

  * status:  new => closed
  * resolution:  => invalid


Comment:

 Numpy does not implement any arithmetic for dtype objects. Moreover, `and`
 and `or` are not overridable operations in Python.

 What you are seeing is a consequence of `bool(dtype(...)) == False`, see
 #1702.

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1701#comment:1>
NumPy <http://projects.scipy.org/numpy>
My example project


More information about the NumPy-Tickets mailing list