[pm-h] Ideas for March Meeting?

[G. Wade Johnson]

Hi Charles,

On Tue, 26 Feb 2013 00:25:46 -0600
Charles Boyd <csboyd07 at gmail.com> wrote:

> I could give a talk about the Perl interface to Pari/GP I've been
> working on, if anybody is interested.

Sorry. I got distracted.

If no one has a major complaint, I think that would be a great topic.
Send me a title for the talk and I'll get it announced everywhere.

G. Wade

> The code lives here: https://github.com/FreeMonad/GPP
> 
> The main goals of this library are:
> 
> (1) To make it easy to write a shell for the GP interpreter in perl
> 
> [ link: https://github.com/FreeMonad/GPP/blob/master/bin/gpp.pl ]
> 
> (2) To provide a way for Perl scripts to call native libpari
> functions, similar to the Math::Pari module but without handling
> tricky conversions between Perl and Pari/GP data structures or
> overloading Perl operators.
> 
> [ link:
> https://github.com/FreeMonad/GPP/blob/master/examples/ellinit.pl ]
> 
> These have already been implemented (for details, see the links), but
> I think there is a lot of room for improvement - so feedback and
> suggestions would be useful.
> 
> One of the specific technical challenges is to solve the problem of
> having a reasonable build environment for a Perl module that derives
> functionality from a native C library which is simply a wrapper around
> a large and complex external library - which may or may not already be
> installed on the system (and also may or may not be handled by the
> operating system's package management system).
> 
> My current solution is to simply assume the user has already compiled
> Pari/GP (>= 2.6.0) from source and that libpari and its header files
> were installed to the default locations on the file system. This
> works, but it is not a safe assumption.
> 
> I gave a talk on this last month for Pari/GP developers at Institut de
> Mathématiques de Bordeaux:
> http://pari.math.u-bordeaux.fr/Events/PARI2013/
> 
> The previous talk was focused on how to use this Perl interface to do
> number theory.
> 
> This time, I would be more interested to discuss the design and
> implementation details of how to glue a Perl module to a huge library
> like Pari/GP.
> 
> - Charles
> 
> On Mon, Feb 25, 2013 at 10:20 PM, G. Wade Johnson
> <gwadej at anomaly.org> wrote:
> > Our next meeting is on March 14 (about 2.5 weeks).
> >
> > Any suggestions or volunteers to present for that meeting?
> >
> > G. Wade
> 


-- 
There will always be things we wish to say in our programs that in all
known languages can only be said poorly.             -- Alan Perlis