[Scipy-tickets] [SciPy] #1599: Make iterative inverses in Arpack always use double-precision

SciPy Trac scipy-tickets@scipy....
Sat Feb 18 06:20:47 CST 2012


#1599: Make iterative inverses in Arpack always use double-precision
--------------------------+-------------------------------------------------
 Reporter:  rgommers      |       Owner:  wnbell
     Type:  defect        |      Status:  new   
 Priority:  normal        |   Milestone:  0.11.0
Component:  scipy.sparse  |     Version:  0.10.0
 Keywords:  arpack        |  
--------------------------+-------------------------------------------------
 Single-precision routines are too inaccurate.  See
 https://github.com/scipy/scipy/pull/159 for details.

 In 0.10.1 the decision was to just not check the results of the tests, for
 0.11 this should be fixed by converting to double in the routines.

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Ticket URL: <http://projects.scipy.org/scipy/ticket/1599>
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