#10764: Cleanup cython warnings
------------------------+---------------------------------------------------
   Reporter:  robertwb  |       Owner:  GeorgSWeber
       Type:  task      |      Status:  new        
   Priority:  major     |   Milestone:  sage-4.7   
  Component:  build     |    Keywords:             
     Author:            |    Upstream:  N/A        
   Reviewer:            |      Merged:             
Work_issues:            |  
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Comment(by fbissey):

 I am looking at gsl/fft.pyx and some of the code is strange
 {{{
     def __getitem__(self, size_t i):
         if i < 0 or i >= self.n:
             raise IndexError
         cdef int j
         j = 2*i
         return self.data[2*i], self.data[2*i+1]

     def __getslice__(self, Py_ssize_t i, Py_ssize_t j):
         # Todo -- make this actually fast.
         return list(self)[i:j]
 }}}
 There is already a getitem, I don't think it would work with slices. But
 getitem and getslice look very different. One asks for size_t while the
 other asks for Py_ssize_t I assume one is deprecated. The code in getitem
 is very strange. j is declared, computed and never used, the code also
 return something different from you would naively expect. None of this
 seem to ever be called from anywhere else in sage.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10764#comment:3>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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