[SciPy-dev] sparsetools - new and (hopefully) improved!

Tim Leslie tim.leslie at gmail.com
Sat Jan 6 02:33:54 CST 2007


On 1/6/07, Nathan Bell <wnbell at gmail.com> wrote:
> On 1/6/07, Tim Leslie <tim.leslie at gmail.com> wrote:
> > That solved the problem, thanks! I now have 4 remaining test failures
> > of the form:
> >
> > ======================================================================
> > ERROR: Test for new slice functionality (EJS)
> > ----------------------------------------------------------------------
> > Traceback (most recent call last):
> >   File "/usr/lib/python2.4/site-packages/scipy/sparse/tests/test_sparse.py",
> > line 283, in check_get_horiz_slice
> >     assert_array_equal(B[1,:], A[1,:].todense())
> >   File "/usr/lib/python2.4/site-packages/scipy/sparse/sparse.py", line
> > 364, in todense
> >     return asmatrix(self.toarray())
> >   File "/usr/lib/python2.4/site-packages/scipy/sparse/sparse.py", line
> > 1460, in toarray
> >     sparsetools.csrtodense(self.shape[0],self.shape[1],self.indptr,self.colind,self.data,data)
> >   File "/usr/lib/python2.4/site-packages/scipy/sparse/sparsetools.py",
> > line 380, in csrtodense
> >     return _sparsetools.csrtodense(*args)
> > NotImplementedError: No matching function for overloaded 'csrtodense'
> >
> >
> > Any ideas?
>
>
> I've made some changes to sparse.py in the last hour, so first update
> to version 2499.  On my system, all unittests pass with 2499.
>
> The error is caused when SWIG cannot find a version of the
> (overloaded) function with the correct types.  This usually means that
> one of the arguments is of the wrong type.  For example I recently
> fixed some bugs caused by self.shape being a float tuple instead of an
> int tuple.
>
> Update to 2499 and let me know if the problem persists.  If so, see if
> you can determine the types of the arguments.
>
> Thanks for the quick feedback!

Those errors are with 2499. I'll do some more debugging and see if I
can find what's going on.

Cheers,

Tim

>
> --
> Nathan Bell wnbell at gmail.com
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