[SciPy-dev] 0.8.0.dev5656 test_pbdv bug

Pauli Virtanen pav@iki...
Mon Apr 13 17:57:00 CDT 2009


Mon, 13 Apr 2009 23:47:16 +0200, Xavier Gnata wrote:
[clip]
> Well it could be no problem but first I would like to get some feedback
> on my comments on
> http://projects.scipy.org/scipy/ticket/803 Special functions are tricky
> things...many slightly different ways to define them...

Yes, the test is wrong (fixed in r5657), and it appears the second output 
from pbdv has nothing to do with the gradient of Dv even though the 
docstring says otherwise.

Apparently, the Specfun Fortran code for PBDV is bogus or incorrectly 
documented.

-- 
Pauli Virtanen



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