[SciPy-User] Is DFITPACK just a double precision FITPACK?

David Goldsmith d.l.goldsmith@gmail....
Mon Jul 26 01:53:27 CDT 2010


On Sun, Jul 25, 2010 at 8:58 PM, Charles R Harris <charlesr.harris@gmail.com
> wrote:

>
> On Sun, Jul 25, 2010 at 8:42 PM, David Goldsmith <d.l.goldsmith@gmail.com>wrote:
>
>> On Sun, Jul 25, 2010 at 6:51 PM, Charles R Harris <
>> charlesr.harris@gmail.com> wrote:
>>
>>>
>>> On Sun, Jul 25, 2010 at 5:25 PM, David Goldsmith <
>>> d.l.goldsmith@gmail.com> wrote:
>>>
>>>> And if I were to make FITPACK a link in a docstring, which do you think
>>>> would be a better destination for our typical user:
>>>>
>>>
>>> As far as I can tell, there are two C interfaces to fitpack: dfitpack and
>>> _fitpack. The dfitpack interface is produced by f2py while _fitpack is from
>>> fitpackmodule. The python module fitpack2 uses mostly dfitpack. I think
>>> there is some history there that Pearu could explain.
>>>
>>
>> Here's the deal: I added Brief and Extended (not too long, don't worry)
>> Summaries to the docstring for scipy.interpolate, the latter of which simply
>> consists of a high-level narrative listing of the sub-package contents,
>> including mention of the FITPACK and DFITPACK wrappers.  I figured I might
>> as well make the words FITPACK and DFITPACK links to relevant sites, and,
>> using Google, found two good candidates for FITPACK (those indicated in the
>> OP), but all the top hits for DFITPACK were to something in the scipy
>> milieu! :-)
>>
>> Is DFITPACK different enough from FITPACK that it should have its own
>> link, and if so, can anyone suggest a good one?
>>
>
> No. dfitpack *is* fitpack, or at least some of it. The _fitpack module also
> interfaces to fitpack but is slightly higher level. Basically we have two
> interfaces to fitpack and a bit of redundancy. It would be nice to clean it
> all up someday.
>
> Thanks, Chuck, that's what I needed to know. :-)

DG



> Chuck
>
>
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