[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On 2013-04-29, Thierry Dumont  wrote:
> This is a multi-part message in MIME format.
> --060206000403010900080606
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> Content-Transfer-Encoding: quoted-printable
>
> Le 29/04/2013 19:23, kcrisman a =E9crit :
>>
>>
>> On Wednesday, April 10, 2013 11:52:30 PM UTC-4, Dima Pasechnik wrote:
>>
>> Dear all,
>> we'd like to add CSDP, (a fast semidefinite programming solver, one
>> of the very best around),
>> as an optional package.
>> https://projects.coin-or.org/Csdp/  />
>>
>
> A very good ide! BUT: have you seen that, on=20
> https://projects.coin-or.org/Csdp/ the first links you can see are broken ?
..."Last modified 3 years ago"

Well, the CSDP code works, and is very popular.

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On 2013-04-29, kcrisman  wrote:
> --=_Part_5928_32884296.1367256180205
> Content-Type: text/plain; charset=ISO-8859-1
>
>
>
> On Wednesday, April 10, 2013 11:52:30 PM UTC-4, Dima Pasechnik wrote:
>>
>> Dear all, 
>> we'd like to add CSDP, (a fast semidefinite programming solver, one of the 
>> very best around), 
>> as an optional package.
>> https://projects.coin-or.org/Csdp/ 
>
>
> I assume this works on Linux as well - there were some remarks in the 
> flagmatic user guide that indicated not, but maybe that wasn't because of 
> CSDP.  I guess I recall that optional packages should work on all (most?) 
> platforms we support Sage on. 

of course my spkg works on Linux, and even on cygwin... ;)
Didn't check Solaris yet.

Flagmatic has been fixed since, too.

>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Thierry Dumont]

Le 29/04/2013 19:23, kcrisman a écrit :



On Wednesday, April 10, 2013 11:52:30 PM UTC-4, Dima Pasechnik wrote:

Dear all,
we'd like to add CSDP, (a fast semidefinite programming solver, one
of the very best around),
as an optional package.
https://projects.coin-or.org/Csdp/ 



A very good ide! BUT: have you seen that, on 
https://projects.coin-or.org/Csdp/ the first links you can see are broken ?




I assume this works on Linux as well - there were some remarks in the
flagmatic user guide that indicated not, but maybe that wasn't because
of CSDP.  I guess I recall that optional packages should work on all
(most?) platforms we support Sage on.

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<>

[sage-devel] Re: new optional (or experimental) package CSDP?

[kcrisman]

On Wednesday, April 10, 2013 11:52:30 PM UTC-4, Dima Pasechnik wrote:
>
> Dear all, 
> we'd like to add CSDP, (a fast semidefinite programming solver, one of the 
> very best around), 
> as an optional package.
> https://projects.coin-or.org/Csdp/ 


I assume this works on Linux as well - there were some remarks in the 
flagmatic user guide that indicated not, but maybe that wasn't because of 
CSDP.  I guess I recall that optional packages should work on all (most?) 
platforms we support Sage on. 

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On 2013-04-29, Nathann Cohen  wrote:
>> The code is here:
>> https://github.com/mghasemi/pycsdp
>> (written by our new postdoc)
>>
>> it still lacks docstrings, etc etc.
>
> O_o
>
> But how do you get this into Sage ? I don't get how you work...
I'm telling him for a month already to get a Sage trac account, you
know...
Well, I hope it will happen, and I don't have to scream... :)
Anyhow, that's the most unpleasant part of the inteface done, creating
linked with pointers C structs to be passed to the solver.

> Probably further on the GIT road than I can understand right now :-P
no, it's nothing to do with git per se.

Dima
>
> Nathann
>

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

> The code is here:
> https://github.com/mghasemi/pycsdp
> (written by our new postdoc)
>
> it still lacks docstrings, etc etc.

O_o

But how do you get this into Sage ? I don't get how you work...
Probably further on the GIT road than I can understand right now :-P

Nathann

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

In gmane.comp.mathematics.sage.devel, you wrote:
>> not yet, it's in the works still.
>
> Ok, cool ! Send me a line when you will begin to work on that. And to
> Jernej too, whom I added to this email. He may be part of GSOC this
> summer, and may want to work on that too.
The code is here:
https://github.com/mghasemi/pycsdp
(written by our new postdoc)

it still lacks docstrings, etc etc.

Dima

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On 2013-04-29, Nathann Cohen  wrote:
>> not yet, it's in the works still.
>
> Ok, cool ! Send me a line when you will begin to work on that. And to
> Jernej too, whom I added to this email. He may be part of GSOC this
> summer, and may want to work on that too.
>
> Could you send an email to sage-devel to ask them "how the hell we are
> supposed to libtoolize things without modifying upstream" ? I don't
> know either, but I still have scars from the first spkg I put in Sage
> and in which I modified upstream : Cliquer :-P
>
> Admittedly it was not a very nice piece of work, though. I mean, what
> I did with it of course ! :-D

In this case all my changes are perfectly traceable on github.
I don't see a point in packaging these in one big patch.
As we hopefully are moving towards a saner sources management model, 
big patches should be dying away, IMHO...

Dima


>
> Nathann
>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

> not yet, it's in the works still.

Ok, cool ! Send me a line when you will begin to work on that. And to
Jernej too, whom I added to this email. He may be part of GSOC this
summer, and may want to work on that too.

Could you send an email to sage-devel to ask them "how the hell we are
supposed to libtoolize things without modifying upstream" ? I don't
know either, but I still have scars from the first spkg I put in Sage
and in which I modified upstream : Cliquer :-P

Admittedly it was not a very nice piece of work, though. I mean, what
I did with it of course ! :-D

Nathann

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On Monday, 29 April 2013 22:26:37 UTC+8, Nathann Cohen wrote:
>
> > e.g. Flagmatic only needs csdp executable installed. 
> > So, in a way, it already makes sense without anything extra. 
>
> Oh. I see ! 
>
> Haveyou already created a ticket for the interface ? 
>
> not yet, it's in the works still.
 

> Nathann 
>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

> e.g. Flagmatic only needs csdp executable installed.
> So, in a way, it already makes sense without anything extra.

Oh. I see !

Haveyou already created a ticket for the interface ?

Nathann

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On Monday, 29 April 2013 21:09:44 UTC+8, Nathann Cohen wrote:
>
> > here is the ticket adding CSDP as an experimental package:
> > http://trac.sagemath.org/sage_trac/ticket/14505
>
> Wow. Cool !
>
> Why do you prefer to create 2 tickets for that ? It feels a bit weird to 
> review an interface between Sage and a spkg which is not included, and it 
> feels weird to add to Sage a spkg which is not interfaced with it.
>

e.g. Flagmatic only needs csdp executable installed.
So, in a way, it already makes sense without anything extra.
 

>
> Though if the two tickets depend on each other, then no problem ;-)
>
> Nathann
>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

> here is the ticket adding CSDP as an experimental package:
> http://trac.sagemath.org/sage_trac/ticket/14505

Wow. Cool !

Why do you prefer to create 2 tickets for that ? It feels a bit weird to
review an interface between Sage and a spkg which is not included, and it
feels weird to add to Sage a spkg which is not interfaced with it.

Though if the two tickets depend on each other, then no problem ;-)

Nathann

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

here is the ticket adding CSDP as an experimental package:
http://trac.sagemath.org/sage_trac/ticket/14505

On Thursday, 11 April 2013 11:52:30 UTC+8, Dima Pasechnik wrote:
>
> Dear all, 
> we'd like to add CSDP, (a fast semidefinite programming solver, one of the 
> very best around), 
> as an optional package.
> https://projects.coin-or.org/Csdp/ 
> It is a C library+headers, and I've written almost all what is needed 
> (besides spkg-install etc)
> to have it seamlessly installable (using autotools) into Sage, here:
> https://github.com/dimpase/csdp
>
> One major "customer" of CSDP in Sage is Flagmatic, see 
> http://flagmatic.org/
>
> We are also working on a Cython interface to CSDP, and hope to have it 
> ready soon.
> CSDP itself has a GPL-incompatible license imposed by the employer of the 
> developer of CSDP, so 
> it itself cannot become standard.
>
> I understand that we need to vote on this. (Needless to say I'm committed 
> to support CSDP as an optional
> package of Sage for the coming N years).
> Please vote on the following options:
>
> 1) Yes to CSDP becoming an optional package
>
> 2) no to 1), but yes to CSDP becoming an experimental package.
>
> 3) no, no, just go away.
>
> Thanks,
> Dima
>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

>> I had never heard of Flagmatic before. Looks GREAT :-D
> it implements a range of recent ideas due to Razborov et al, which
> produced a lot of progress in extremal (hyper)graph theory recently.

I had no idea it had evolved into an open source project already :-)

Nathann

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Dima Pasechnik]

On 2013-04-11, Nathann Cohen  wrote:
> --=_Part_629_6688666.1365672308379
> Content-Type: text/plain; charset=ISO-8859-1
> Content-Transfer-Encoding: quoted-printable
>
> +1
>
> I had never heard of Flagmatic before. Looks GREAT :-D
it implements a range of recent ideas due to Razborov et al, which
produced a lot of progress in extremal (hyper)graph theory recently.

Dima 
>
> Nathann
>
> On Thursday, April 11, 2013 6:56:45 AM UTC+2, Snark wrote:
>>
>> Le 11/04/2013 06:32, Nils Bruin a =EF=BF=BDcrit :=20
>> > On Apr 10, 8:52 pm, Dima Pasechnik  wrote:=20
>> >> 2) yes to CSDP becoming an experimental package.=20
>> >=20
>> > Doing that requires no different work from preparing it to be an=20
>> > optional package, so why not do that first? Once that's done I would=20
>> > expect it'll be pretty smooth sailing into optional status.=20
>>
>> +1=20
>>
>> Snark on #sagemath=20
>>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Nathann Cohen]

+1

I had never heard of Flagmatic before. Looks GREAT :-D

Nathann

On Thursday, April 11, 2013 6:56:45 AM UTC+2, Snark wrote:
>
> Le 11/04/2013 06:32, Nils Bruin a �crit : 
> > On Apr 10, 8:52 pm, Dima Pasechnik  wrote: 
> >> 2) yes to CSDP becoming an experimental package. 
> > 
> > Doing that requires no different work from preparing it to be an 
> > optional package, so why not do that first? Once that's done I would 
> > expect it'll be pretty smooth sailing into optional status. 
>
> +1 
>
> Snark on #sagemath 
>
>

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Re: [sage-devel] Re: new optional (or experimental) package CSDP?

[Julien Puydt]

Le 11/04/2013 06:32, Nils Bruin a écrit :

On Apr 10, 8:52 pm, Dima Pasechnik  wrote:

2) yes to CSDP becoming an experimental package.


Doing that requires no different work from preparing it to be an
optional package, so why not do that first? Once that's done I would
expect it'll be pretty smooth sailing into optional status.


+1

Snark on #sagemath

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[sage-devel] Re: new optional (or experimental) package CSDP?

[Nils Bruin]

On Apr 10, 8:52 pm, Dima Pasechnik  wrote:
> 2) yes to CSDP becoming an experimental package.

Doing that requires no different work from preparing it to be an
optional package, so why not do that first? Once that's done I would
expect it'll be pretty smooth sailing into optional status.

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