[NumPy-Tickets] [NumPy] #1931: np.left_shift and np.right_shift fail on np.uint64 scalar types

NumPy Trac numpy-tickets@scipy....
Wed Aug 10 15:34:30 CDT 2011


#1931: np.left_shift and np.right_shift fail on np.uint64 scalar types
------------------------+---------------------------------------------------
 Reporter:  tlatorre    |       Owner:  somebody   
     Type:  defect      |      Status:  new        
 Priority:  high        |   Milestone:  Unscheduled
Component:  numpy.core  |     Version:  1.6.0      
 Keywords:              |  
------------------------+---------------------------------------------------
 {{{
 >>> np.uint64(5) << 1
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: ufunc 'left_shift' not supported for the input types, and the
 inputs could not be safely coerced to any supported types according to the
 casting rule 'safe'
 >>> np.uint64(5) >> 3
 Traceback (most recent call last):
   File "<stdin>", line 1, in <module>
 TypeError: ufunc 'right_shift' not supported for the input types, and the
 inputs could not be safely coerced to any supported types according to the
 casting rule 'safe'
 }}}

-- 
Ticket URL: <http://projects.scipy.org/numpy/ticket/1931>
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