Re: Programmatically obtain a complete list of commands and keywords for updating the PARI/GP third-party IDE tools.

[Hongyi Zhao <hongyi.zhao@gmail.com>]

On Sat, Jan 14, 2023 at 2:11 AM Bill Allombert
<Bill.Allombert@math.u-bordeaux.fr> wrote:
>
> On Fri, Jan 13, 2023 at 05:35:02PM +0100, Gottfried Helms wrote:
> > Am 10.01.2023 um 01:46 schrieb Hongyi Zhao:
> > > Hi here,
> > >
> > > I'm not sure whether there is an elegant way in PARI/GP, which can let
> > > me programmatically obtain a complete list of commands and keywords
> > > for updating the PARI/GP third-party IDE tools, such as pari-gp-lang
> > > [1].
> > >
> > > Any tips would be appreciated.
> > >
> > > [1] https://github.com/DavidAyotte/pari-gp-lang/issues/3
> > >
> > > Regards,
> > > Zhao
> > >
> > Hmm, don't know whether such a thing is meant:
> >
> > - - - - - - - - - - - -
> >
> > I've a small set of subroutines which provide from
> > a new version of GP the commands plus simple helptext
> > ("?Euler") as a text file like this:
> > ============================================================================
> > Catalan=Catalan(): Catalan's number with current precision.
> > Col(x, {n}): transforms the object x into a column vector of dimension n.
> > Colrev(x, {n}): transforms the object x into a column vector of dimension n in  reverse order with respect to Col(x, {n}). Empty vector if x is omitted.
> > Euler=Euler(): Euler's constant with current precision.
> > I=I(): square root of -1.
> > List({x=[]}): transforms the vector or list x into a list. Empty list if x is  omitted.
> > ...
> > znorder(x,{o}): order of the integermod x in (Z/nZ)*. Optional o represents a  multiple of the order of the element.
> > znprimroot(n): returns a primitive root of n when it exists.
> > znstar(n,{flag=0}): 3-component vector v = [no,cyc0,gen], giving the structure  of the abelian group (Z/nZ)^*; no is the order (i.e. eulerphi(n)), cyc is a  vector of cyclic components, and gen is a vector giving the corresponding  generators.
> > ============================================================================
>
> Note: the PARI installation includes a file pari.desc that includes all this data
> in RFC822 format. We also provide a perl module to read it PARI/822.pm

I downloaded the source distribution from here [1], and then performed
the following check:

$ tar -zxvf pari.tgz
$ cd pari-2.15.2
$ find  -type f -name 'pari.desc'
$ find  -type f -name '822.pm'
./src/desc/PARI/822.pm

As you can see, there is no the file pari.desc at all.

[1] https://pari.math.u-bordeaux.fr/pub/pari/unix/pari.tgz

> Cheers,
> Bill

Best,
Zhao