[sage-devel] Re: Sage builds with older GCC and Sun compiler

2012-04-27 Thread leif
On 27 Apr., 23:14, "Dr. David Kirkby" wrote: > On 04/27/12 04:12 PM, Jeroen Demeyer wrote: > > > On 2012-04-27 16:43, David Kirkby wrote: > >> it fails very early on, as the version of GNU tar on there is unable > >> to extract the tar files produced by the Sage community. > > Did you manage to ac

Re: [sage-devel] ticket #12068 : normalizing rational expressions

2012-04-27 Thread David Roe
So we need an updated GiNaC spkg? If nothing else can you wrap the call to GiNaC with a sig_on() / sig_off() so that you can Ctl-C? David On Fri, Apr 27, 2012 at 21:23, Ben Goodrich wrote: > Hi, > > The patches attached to ticket #12068 (Numerator for symbolic expression > shouldn't use maxima)

[sage-devel] ticket #12068 : normalizing rational expressions

2012-04-27 Thread Ben Goodrich
Hi, The patches attached to ticket #12068 (Numerator for symbolic expression shouldn't use maxima) were applied to sage-5.0.beta, which I was happy to see because I had tried to do something similar (#10268, which can probably be closed) to use GiNaC's normal() function for rational expressions

Re: [sage-devel] Sage builds with older GCC and Sun compiler

2012-04-27 Thread Dr. David Kirkby
On 04/27/12 04:12 PM, Jeroen Demeyer wrote: On 2012-04-27 16:43, David Kirkby wrote: it fails very early on, as the version of GNU tar on there is unable to extract the tar files produced by the Sage community. Did you manage to actually extract the Sage source tarball? It seems my memory had

[sage-devel] Re: track 12339, please review

2012-04-27 Thread Simon King
Hi Marco! On 2012-04-27, mmarco wrote: > I have a first version of an implementation of free groups, finitely > presented groups and braid groups. For the moment there is a partial > list of the fatures: > > -operation in free groups, finitely presented groups and braid groups > through gap. > -s

[sage-devel] track 12339, please review

2012-04-27 Thread mmarco
I have a first version of an implementation of free groups, finitely presented groups and braid groups. For the moment there is a partial list of the fatures: -operation in free groups, finitely presented groups and braid groups through gap. -some gap functions are wrapped, such as abelian invaria

Re: [sage-devel] Re: sagemath ppa for Ubuntu 12.04

2012-04-27 Thread Jan Groenewald
Hi On 27 April 2012 18:36, Harald Schilly wrote: > > > On Friday, April 27, 2012 5:15:00 PM UTC+2, Jan Groenewald wrote: >> >> >> apt-add-repository ppa:aims/sagemath >> apt-get update >> apt-get install sagemath-upstream-binary >> > > Hi, sounds good. I'm not too familiar with the PPAs, but thi

[sage-devel] Re: sagemath ppa for Ubuntu 12.04

2012-04-27 Thread Harald Schilly
On Friday, April 27, 2012 5:15:00 PM UTC+2, Jan Groenewald wrote: > > > apt-add-repository ppa:aims/sagemath > apt-get update > apt-get install sagemath-upstream-binary > Hi, sounds good. I'm not too familiar with the PPAs, but this procedure also include some signatures for the deb packages, o

[sage-devel] Sage developer on ebook accessibility

2012-04-27 Thread kcrisman
FYI - see Dan Drake's recent letter to the editor in the MAA FOCUS magazine. Page 2. http://digital.ipcprintservices.com/publication/?i=107069 This is not directly related to Sage development, but the open/non-DRM issue is certainly relevant. Good work! - kcrisman -- To post to this group, s

[sage-devel] sagemath ppa for Ubuntu 12.04

2012-04-27 Thread Jan Groenewald
Hi With Ubuntu 12.04 released, here is a reminder. https://launchpad.net/~aims/+archive/sagemath apt-add-repository ppa:aims/sagemath apt-get update apt-get install sagemath-upstream-binary This is the packaged sage4.8 from sagemath.org, built for Ubuntu 10.04, but packaged for 11.04, 11.10, 12

Re: [sage-devel] Sage builds with older GCC and Sun compiler

2012-04-27 Thread Jeroen Demeyer
On 2012-04-27 16:43, David Kirkby wrote: > it fails very early on, as the version of GNU tar on there is unable > to extract the tar files produced by the Sage community. Did you manage to actually extract the Sage source tarball? If this works, but not for some spkg, maybe the problem is with gzi

[sage-devel] Re: Why is Parent.__getattr__ not directly accessible?

2012-04-27 Thread Simon King
Hi John! On 2012-04-27, John Cremona wrote: > It has __getattribute__ (as you can see by doing > sage.structure.parent.Parent.__ Yes, but that is not defined in sage.structure.parent or sage.structure.category_object. Anyway: Would the existence of __getattribute__ explain why __getattr__ is no

Re: [sage-devel] Sage builds with older GCC and Sun compiler

2012-04-27 Thread David Kirkby
On 25 April 2012 11:58, Jeroen Demeyer wrote: > Just for your information: on David Kirkby's i386 OpenSolaris machine, I > built sage-5.0.beta13 with gcc-3.4.3 and it worked.  I also built Sage > with the Sun C compiler version 5.10 and this also works. Good to hear. There have been instances whe

Re: [sage-devel] Why is Parent.__getattr__ not directly accessible?

2012-04-27 Thread John Cremona
It has __getattribute__ (as you can see by doing sage.structure.parent.Parent.__ ! John On 26 April 2012 14:09, Simon King wrote: > Hi! > > If you look into sage/structure/parent.pyx, you will find that the > cdef class Parent is equipped with a __getattr__ method, and that > method is indeed f

[sage-devel] Re: Why is Parent.__getattr__ not directly accessible?

2012-04-27 Thread Jean-Pierre Flori
This seems to affect other (all?) classes. Even in a pure Python shell, I tried to access it for the Timer class (from timeit module, the first class I found in Python doc) and got a similar behavior. So maybe it's a Python thing. On Thursday, April 26, 2012 3:09:28 PM UTC+2, Simon King wrote: >