[sage-devel] Re: Mathematica doctest

2010-03-11 Thread Jason Grout
On 03/11/2010 06:42 PM, Felix Lawrence wrote: FullForm looks like a bit of a headache to me - in part one of the examples given, InputForm gives Sqrt[5], whereas FullForm gives Power[5,Rational[-1,2]]. The former is closer to sage's syntax and should be easier to parse (and a basic parser for In

[sage-devel] Re: Debian package...

2010-03-11 Thread Dima Pasechnik
On Debian stable, it's only possible to have python 2.6 out-of-tree (i.e. in /usr/local, built from scratch, possibly with more stuff needed to be built out-of-tree) So from Debian point of view this means that such a package is only feasible in the testing distro, where it's possible to have pyth

[sage-devel] Another successful build on Solaris 10 SPARC

2010-03-11 Thread Dr. David Kirkby
Minh reported earlier he has built Sage 4.3.4.alpah1 on 't2'. I've also managed to build 4.3.4.alpah1 on the following hardware/software, which is quite different to 't2' * Sun Blade 1000 with dual 900 MHz processors (around $75 for the whole machine on eBay)! * Solaris 10 03/2005. That is th

[sage-devel] Re: Mathematica doctest

2010-03-11 Thread Felix Lawrence
FullForm looks like a bit of a headache to me - in part one of the examples given, InputForm gives Sqrt[5], whereas FullForm gives Power[5,Rational[-1,2]]. The former is closer to sage's syntax and should be easier to parse (and a basic parser for InputForm already exists, in _sage_repr().) So I'

Re: [sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread Robert Miller
On Thu, Mar 11, 2010 at 2:24 PM, Robert Bradshaw wrote: >>> ... I would imagine Sage would have native >>> implementations of permutation groups, matrix groups, etc. and call of to >>> Gap for things like solving the word problem, but not for basic >>> arithmetic This was a question I was particu

Re: [sage-devel] Anyone had mysterious build failures on SPARC?

2010-03-11 Thread Dr. David Kirkby
Willem Jan Palenstijn wrote: On Thu, Mar 11, 2010 at 06:51:57PM +, Dr. David Kirkby wrote: It looks like the code above might be linking the readline library (note the -lreadline) to produce a readline library (note the -o readline.so). That would seem an odd thing to do. Does the above c

Re: [sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread Robert Bradshaw
On Mar 11, 2010, at 2:24 PM, Robert Bradshaw wrote: On Mar 11, 2010, at 1:37 PM, William Stein wrote: On Thu, Mar 11, 2010 at 1:10 PM, Robert Bradshaw wrote: On Mar 11, 2010, at 12:36 PM, Mike OS wrote: Thanks for all the comments, links on gap and Sage. Rob, the two tracs on abelian grou

Re: [sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread Robert Bradshaw
On Mar 11, 2010, at 1:37 PM, William Stein wrote: On Thu, Mar 11, 2010 at 1:10 PM, Robert Bradshaw wrote: On Mar 11, 2010, at 12:36 PM, Mike OS wrote: Thanks for all the comments, links on gap and Sage. Rob, the two tracs on abelian groups and unit groups of rings are just what we were wond

[sage-devel] Re: Debian package...

2010-03-11 Thread Harald Schilly
On Mar 6, 9:53 pm, Ben Goodrich wrote: > ... but I agree > that it is not good to have a broken sagemath in the Debian repository > without a realistic possibility of being able to package a newer > version. Small follow up to this thread: https://answers.launchpad.net/ubuntu/+source/sagemath/+qu

Re: [sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread William Stein
On Thu, Mar 11, 2010 at 1:10 PM, Robert Bradshaw wrote: > On Mar 11, 2010, at 12:36 PM, Mike OS wrote: > >> Thanks for all the comments, links on gap and Sage. >> Rob,  the two tracs on abelian groups and unit groups of rings are >> just what we were wondering about.  We'll look at them and see if

Re: [sage-devel] Re: documentation glitch

2010-03-11 Thread John Cremona
On 11 March 2010 20:18, John H Palmieri wrote: > > > See . > Thanks -- sorry for using sage-devel instead of searching to see if there was already a ticket! John -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscri

Re: [sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread Robert Bradshaw
On Mar 11, 2010, at 12:36 PM, Mike OS wrote: Thanks for all the comments, links on gap and Sage. Rob, the two tracs on abelian groups and unit groups of rings are just what we were wondering about. We'll look at them and see if we can do something. Please do send the worksheet you mentioned o

[sage-devel] Re: SAGE in abstract algebra class

2010-03-11 Thread Mike OS
Thanks for the pointers everyone. I was wondering as well about subobjects and quotient objects. As Rob asks, what does it mean to do them "right"? My expectation would be to have a subgroup be the subset with the same operation. So if I define P a permutation group in S_n and then create a sub

[sage-devel] Re: Groups in Sage, libgap

2010-03-11 Thread Mike OS
Thanks for all the comments, links on gap and Sage. Rob, the two tracs on abelian groups and unit groups of rings are just what we were wondering about. We'll look at them and see if we can do something. Please do send the worksheet you mentioned on unit groups. What was the difficulty with sub

[sage-devel] Re: documentation glitch

2010-03-11 Thread John H Palmieri
On Mar 11, 12:06 pm, John Cremona wrote: > In sage/categories/coxeter_group.py which is copyrighted to  Nicolas > M. Thiery there is a bit of latex code which fails to get processed > properly: > > sage: search_src("\\\opi") > categories/coxeter_groups.py:799:            projection `\pi_i` (resp.

[sage-devel] documentation glitch

2010-03-11 Thread John Cremona
In sage/categories/coxeter_group.py which is copyrighted to Nicolas M. Thiery there is a bit of latex code which fails to get processed properly: sage: search_src("\\\opi") categories/coxeter_groups.py:799:projection `\pi_i` (resp. `\opi_i`) on self. John -- To post to this group,

Re: [sage-devel] Anyone had mysterious build failures on SPARC?

2010-03-11 Thread Willem Jan Palenstijn
On Thu, Mar 11, 2010 at 06:51:57PM +, Dr. David Kirkby wrote: > It looks like the code above might be linking the readline library (note > the -lreadline) to produce a readline library (note the -o readline.so). > That would seem an odd thing to do. > > Does the above command look a bit suspi

Re: [sage-devel] Anyone had mysterious build failures on SPARC?

2010-03-11 Thread Dr. David Kirkby
Willem Jan Palenstijn wrote: On Wed, Mar 10, 2010 at 07:36:11PM -0800, Dr David Kirkby wrote: I've several time had the build on Solairs (on different machines, with different versions of gcc build by different people) stop with no warning: Here is a failed build on 't2' gcc -shared -L/export/h

Re: [sage-devel] Re: Mathematica doctest

2010-03-11 Thread Nick Alexander
It may be the only way to get a semi-consistant result is to use the Mathlink protocol, but that would require linking to a proprietry library, so it could only be possible as an optional package, as otherwise it would breach the GPL. One way to get a consistent result is to do what I said earli

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Robert Bradshaw
On Mar 11, 2010, at 4:41 AM, Florent Hivert wrote: Hi While you are at it, To add a small epsilon to Minh's comments: it is fairly common for a reviewer to add a small reviewer patch fixing docstrings or adding some examples, etc. This could be a good alternative to getting frustrat

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Florent Hivert
Hi While you are at it, >> To add a small epsilon to Minh's comments: it is fairly common for a >> reviewer to add a small reviewer patch fixing docstrings or adding some >> examples, etc. This could be a good alternative to getting frustrated >> with the author for not making these change

Re: [sage-devel] Anyone had mysterious build failures on SPARC?

2010-03-11 Thread Willem Jan Palenstijn
On Wed, Mar 10, 2010 at 07:36:11PM -0800, Dr David Kirkby wrote: > I've several time had the build on Solairs (on different machines, > with different versions of gcc build by different people) stop with no > warning: Here is a failed build on 't2' > > gcc -shared -L/export/home/drkirkby/sage-4.3.

Re: [sage-devel] Anyone had mysterious build failures on SPARC?

2010-03-11 Thread Dr. David Kirkby
Minh Nguyen wrote: Hi David, On Thu, Mar 11, 2010 at 2:36 PM, Dr David Kirkby wrote: Anyone else seen this? Yes. When I was narrowing down the patch that stopped the Solaris build, I produced about 6 source tarballs. I then tried to start building them, starting the build one after the ot

[sage-devel] Re: Is there a need for the experimental bison package?

2010-03-11 Thread Dr. David Kirkby
Dr. David Kirkby wrote: http://www.sagemath.org/packages/experimental/ lists an experimental package 'bison' The notes say: "This package exists mainly because it's very easy to build, and it removes a SAGE dependency. It could be removed if bison were put back as a SAGE dependency. Building

Re: [sage-devel] Re: Expectation for 'optional' vs 'experimental' packages.

2010-03-11 Thread Dr. David Kirkby
Harald Schilly wrote: On Mar 11, 1:05 pm, "Dr. David Kirkby" wrote: My particular issue is whether an optional package needs to build on all supported operating systems, ... Do all optional packages build on Solaris/t2? I'm not sure - I know most do. I don't think it would be good to mov

[sage-devel] Re: anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Jason Grout
On 03/11/2010 07:33 AM, Dima Pasechnik wrote: I also plan to submit an implementation of computing Lovasz theta- function of a graph, and some of its relatives Thanks! I would find this useful. Jason -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from

[sage-devel] Re: Expectation for 'optional' vs 'experimental' packages.

2010-03-11 Thread Harald Schilly
On Mar 11, 1:05 pm, "Dr. David Kirkby" wrote: > My particular issue is whether an optional package needs to build on all > supported operating systems, ... Do all optional packages build on Solaris/t2? I don't think it would be good to move all optional packages to experimental just because of th

[sage-devel] Re: anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Dima Pasechnik
Dear Nathann, Thanks for the message. On Mar 11, 8:11 pm, Nathann Cohen wrote: > Hello ! > > I do not know how whether I have my place in this discussion... > Several words, though. > > I know I did not take very well one of your first messages, and I > progressively got the impression you were

[sage-devel] Is there a need for the experimental bison package?

2010-03-11 Thread Dr. David Kirkby
http://www.sagemath.org/packages/experimental/ lists an experimental package 'bison' The notes say: "This package exists mainly because it's very easy to build, and it removes a SAGE dependency. It could be removed if bison were put back as a SAGE dependency. Building it causes nobody any tro

[sage-devel] Re: anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Nathann Cohen
Hello ! I do not know how whether I have my place in this discussion... Several words, though. I know I did not take very well one of your first messages, and I progressively got the impression you were showing contempt toward this work. Well, perhaps this word is not the best one, and I totally

[sage-devel] Expectation for 'optional' vs 'experimental' packages.

2010-03-11 Thread Dr. David Kirkby
I am unable to find a clear distinction between an experimental and an optional package. The comments at the top of the list of 'experimental' packages http://www.sagemath.org/packages/experimental/ make it very clear you are taking your life in your hands by using these. The optional package

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Dr. David Kirkby
Alex Ghitza wrote: On Thu, 11 Mar 2010 18:42:00 +1100, Minh Nguyen wrote: Third, in many cases, one can open a new ticket to improve the changes introduced by a patch from an existing ticket. In such cases, I think one can suggest this option to the patch author and leave it to them to either i

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Dr. David Kirkby
Minh Nguyen wrote: Hi Dima, 2) eventually, in order to prevent these things getting personal, it might be good to have a possibility to anonymise reviewing. Most of the time, reviewers are also people who contribute a lot to improving a patch. We don't want make such contributors anonymous,

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Dr. David Kirkby
Robert Bradshaw wrote: On Mar 11, 2010, at 12:04 AM, Alex Ghitza wrote: On Thu, 11 Mar 2010 18:42:00 +1100, Minh Nguyen wrote: Third, in many cases, one can open a new ticket to improve the changes introduced by a patch from an existing ticket. In such cases, I think one can suggest this opti

[sage-devel] Re: scaling up productivity; debianization of sage

2010-03-11 Thread Harald Schilly
On Mar 11, 9:22 am, "Nicolas M. Thiery" wrote: > Sounds like we will soon be organizing Sage lifes. Ouch :-) > "Sage Institute for Mathematical Software Development" H -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-

[sage-devel] Re: scaling up productivity; debianization of sage

2010-03-11 Thread Dima Pasechnik
Mythical Sage-month :-) (cf. http://en.wikipedia.org/wiki/The_Mythical_Man-Month) On Mar 11, 4:22 pm, "Nicolas M. Thiery" wrote: > On Wed, Mar 10, 2010 at 09:16:20PM -0800, William Stein wrote: > > There's an article here: > > >    http://blog.ksplice.com/2010/03/quadruple-productivity-with-an-i

[sage-devel] Re: anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Dima Pasechnik
Hi Minh, On Mar 11, 3:42 pm, Minh Nguyen wrote: > Hi Dima, > > On Thu, Mar 11, 2010 at 5:10 PM, Dima Pasechnik wrote: > > > [...] > > First, it is very frustrating that one has to rebase and rework a > patch multiple times. A case in point is the situation with the > Sage-Combinat team, whose m

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Robert Bradshaw
On Mar 11, 2010, at 12:04 AM, Alex Ghitza wrote: On Thu, 11 Mar 2010 18:42:00 +1100, Minh Nguyen wrote: Third, in many cases, one can open a new ticket to improve the changes introduced by a patch from an existing ticket. In such cases, I think one can suggest this option to the patch autho

Re: [sage-devel] scaling up productivity; debianization of sage

2010-03-11 Thread Nicolas M. Thiery
On Wed, Mar 10, 2010 at 09:16:20PM -0800, William Stein wrote: > There's an article here: > >http://blog.ksplice.com/2010/03/quadruple-productivity-with-an-intern-army/ > > that is being discussed on slashdot right now, etc. I'm mentioning it > here on sage-devel for two reasons: > >(1)

Re: [sage-devel] anonymous reviewing of trac tickets? trac moderators?

2010-03-11 Thread Alex Ghitza
On Thu, 11 Mar 2010 18:42:00 +1100, Minh Nguyen wrote: > Third, in many cases, one can open a new ticket to improve the changes > introduced by a patch from an existing ticket. In such cases, I think > one can suggest this option to the patch author and leave it to them > to either incorporate the