[Scipy-tickets] [SciPy] #1717: QZ segfault on Windows for 0.11.0rc1

SciPy Trac scipy-tickets@scipy....
Wed Aug 8 15:47:10 CDT 2012


#1717: QZ segfault on Windows for 0.11.0rc1
--------------------------+-------------------------------------------------
 Reporter:  rgommers      |       Owner:  somebody
     Type:  defect        |      Status:  new     
 Priority:  highest       |   Milestone:  0.11.0  
Component:  scipy.linalg  |     Version:  devel   
 Keywords:                |  
--------------------------+-------------------------------------------------

Comment(by rgommers):

 The sort function can't be used with schur(), because it takes two more
 arguments. I'm wondering though why just that sort function crashes. All
 the string-defined ones are fine. This crashes:
 {{{
 sort = lambda x, y, z : y == 0
 }}}
 The function doesn't seem to make a lot of sense anyway. Anything else I
 try doesn't crash, even
 {{{
 sort = lambda x, y, z : x == 0
 }}}
 and
 {{{
 sort = lambda x, y, z : z == 0
 }}}

 The comment in {{{_select_function()}}} says "assume the user knows what
 they're doing". What is the actual requirement on the sort function?

-- 
Ticket URL: <http://projects.scipy.org/scipy/ticket/1717#comment:13>
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