[Scipy-tickets] [SciPy] #658: support user-specified accumulator dtypes in sparse matrices

SciPy scipy-tickets@scipy....
Mon Apr 28 11:44:17 CDT 2008


#658: support user-specified accumulator dtypes in sparse matrices
--------------------------+-------------------------------------------------
 Reporter:  wnbell        |        Owner:  wnbell
     Type:  enhancement   |       Status:  new   
 Priority:  normal        |    Milestone:  0.7   
Component:  scipy.sparse  |      Version:  devel 
 Severity:  normal        |   Resolution:        
 Keywords:                |  
--------------------------+-------------------------------------------------
Comment (by wnbell):

 I think the "right" way to support this behavior is to support matvec
 operations A*x with different dtypes for A and x.  This would allow one to
 compute A*x for integer A and floating point x without upcasting A's data
 array.

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Ticket URL: <http://scipy.org/scipy/scipy/ticket/658#comment:1>
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