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

Tim Leslie tim.leslie at gmail.com
Sat Jan 6 04:01:56 CST 2007


On 1/6/07, Tim Leslie <tim.leslie at gmail.com> wrote:
> On 1/6/07, Tim Leslie <tim.leslie at gmail.com> wrote:
> > 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.
>
> OK, it looks like it's a 64 bit problem. The tests pass on my 32 bit
> machine, it's only the 64 bit one that's a problem. It seems that some
> parameters are of dtype int64 when they need to be int32. I'll keep
> debugging this and keep you informed.
>

Problem solved. There were some arrays which were created without
dtype=numpy.intc. These have been fixed in revision 2500.

Cheers,

Tim

> Tim
>
> >
> > Cheers,
> >
> > Tim
> >
> > >
> > > --
> > > Nathan Bell wnbell at gmail.com
> > > _______________________________________________
> > > Scipy-dev mailing list
> > > Scipy-dev at scipy.org
> > > http://projects.scipy.org/mailman/listinfo/scipy-dev
> > >
> >
>


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