[sage-devel] Sphinx warning

2012-12-22 Thread Martin Albrecht
""" Anyone got an idea what I should do to fix the warning? Cheers, Martin [1] http://trac.sagemath.org/sage_trac/ticket/13851#comment:9 -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D

Re: Re: [sage-devel] Correct procedure for an experimental package

2012-12-20 Thread Martin Albrecht
ing about including his experimental package in the reference manual. My understanding is that this is currently not possible. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA

Re: Re: [sage-devel] why is email in sagenb?

2012-12-13 Thread Martin Albrecht
Okay, looks like I can move it then (?) On Thursday 13 Dec 2012, William Stein wrote: > On Thu, Dec 13, 2012 at 11:26 AM, Martin Albrecht > > wrote: > > Hi, > > > > why is the email() function implemented in sagenb instead of sage. It > > would seem it s

[sage-devel] why is email in sagenb?

2012-12-13 Thread Martin Albrecht
Hi, why is the email() function implemented in sagenb instead of sage. It would seem it should be part of Sage but it's in sagenb.sagenb.notebook.sage_email btw. I am asking for http://trac.sagemath.org/sage_trac/ticket/13829 Cheers, Martin -- name: Martin Albrecht _pgp:

Re: Re: [sage-devel] High level architectural design document of Sage

2012-12-04 Thread Martin Albrecht
slightly off topic. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- You received this message be

Re: [sage-devel] Cython chokes on Matrix class cimport (M4RI problem ?)

2012-10-09 Thread Martin Albrecht
uilla/Desktop/sage-5.3/local/include/m4ri/mzd.h:447:5: error: > ‘for’ loop initial declarations are only allowed in C99 mode > /Users/cbouilla/Desktop/sage-5.3/local/include/m4ri/mzd.h: In function > ‘mzd_hash’: > /Users/cbouilla/Desktop/sage-5.3/local/include/m4ri/mzd.h:1396:3: error: &

Re: [sage-devel] libm4rie in sage 5.3 on ARM

2012-09-14 Thread Martin Albrecht
axed... > > I must admit that I don't know exactly how to investigate and make a > good report on this :-/ > > Do other ARM owners see the same thing? > > Snark on #sagemath Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&

Re: [sage-devel] eval in 5.3 does not recognize variables and functions

2012-09-12 Thread Martin Albrecht
ebra.DifferentialRing.toto > (sage/libs/blad/DifferentialAlgebra.c:8999)() > > /home/boulier/tmp/sage-5.3-linux-64bit-ubuntu_10.04.4_lts-x86_64-Linux/loca > l/lib/python2.7/site-packages/sage/libs/blad/DifferentialAlgebra.so in > () > > NameError: name 'a' is not d

[sage-devel] Re: Re: This year's bug days

2012-09-06 Thread Martin Albrecht
ink they thought it might work well for a Bug Days. > > Rob Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...

Re: Re: [sage-devel] LLL-variants

2012-08-22 Thread Martin Albrecht
legroups.com > > To unsubscribe from this group, send an email to > > sage-devel+unsubscr...@googlegroups.com > > > For more options, visit this group at > > http://groups.google.com/group/sage-devel > > > URL: http://www.sagemath.org Cheers, Mart

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-04 Thread Martin Albrecht
%timeit faster_random_invertible_matrix2(1000, GF(2)) > 5 loops, best of 3: 24.9 ms per loop > > As the matrix sizes get bigger, the random permutation method appears > to be about 2x slower than the whole random matrix method. > > Cheers, > Javier Cheers, Marti

Re: Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
For comparison: PLE decomposition needs 2.8 multiplications if asymptotically fast multiplication is used and 0.66 if cubic multiplication is used, cf. http://arxiv.org/pdf/1112.5717.pdf On Tuesday 03 Jul 2012, Dima Pasechnik wrote: > On Tuesday, 3 July 2012 20:22:37 UTC+8, Martin Albre

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
we > > have now, and it is very easy to implement while we think of a better > > solution. > > well, pseudorandom field element generation is not very cheap, and > generating "good" pseudorandom elements got be be expensive, otherwise > some (generally believed to be

Re: Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-03 Thread Martin Albrecht
ng: > >> 1) uniformly select a random maximal flag > >> 2) uniformly select a random element U in the subgroup stabilizing the > >> "canonical" maximal flag, i.e. the one stabilized by the > >> upper triangular matrices. > >> Then an el

Re: [sage-devel] Re: GL( N,GF(p) ).random_element() is slow

2012-07-02 Thread Martin Albrecht
Hi, On Tuesday 03 Jul 2012, Simon King wrote: > Hi! > > On 2012-07-02, Martin Albrecht wrote: > > Shouldn't both give the same distribution mod p? Since every non-singular > > matrix A has a LU decomposition we should be able to just sample L and U > > separately

Re: Re: [sage-devel] GL( N,GF(p) ).random_element() is slow

2012-07-02 Thread Martin Albrecht
; something special about GL(n, F) that we're trying to achieve? > Otherwise, I think the generate-and-check, perhaps re-defining a > single random entry on failure, is an evener distribution. > > - Robert > > On Mon, Jul 2, 2012 at 3:32 PM, Martin Albrecht > > wrote:

Re: [sage-devel] GL( N,GF(p) ).random_element() is slow

2012-07-02 Thread Martin Albrecht
gt; sage: %timeit faster_random_invertible_matrix(64, GF(2)) > 125 loops, best of 3: 1.8 ms per loop > > ---> this is about 15000 times faster > > How do you feel about this ? It's not a bug stricto sensu, but > math-oriented people might stumble across GL(N,K).rando

Re: [sage-devel] Consistency of comparison of finite field elements

2012-06-28 Thread Martin Albrecht
make the behaviour of comparison a bit more > predictable? Yep, I vote for: take the most trivial integer representation of the finite field and order according to this. GF(p): order integers < p GF(p^e): order the integers c_i*p^i where c_i are the coefficients in polynomial representations

Re: Re: Re: [sage-devel] New optional spkg

2012-06-25 Thread Martin Albrecht
PS: Your code is very very fast! Thanks for including it in Sage! On Monday 25 Jun 2012, Martin Albrecht wrote: > Hi, > > ah, thanks for explaining! I confused her recent work with the complexity > of computing Gröbner bases, but it's about combining exhaustive search an

Re: Re: [sage-devel] New optional spkg

2012-06-25 Thread Martin Albrecht
stive search at round 200. On Monday 25 Jun 2012, Charles Bouillaguet wrote: > On 06/25/2012 07:00 PM, Martin Albrecht wrote: > >> It is interesting to have such an algorithm in sage, because despite > >> being simple, it is asymptotically faster than the computation of a > >&

Re: [sage-devel] New optional spkg

2012-06-25 Thread Martin Albrecht
c systems, but it seems to be 1 for exhaustive search? Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -

Re: Re: [sage-devel] Re: New optional spkg

2012-06-25 Thread Martin Albrecht
o "experimental" though. I am > however pretty clueless regarding the next steps to take. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.word

Re: Re: [sage-devel] Standard spkg requirements and SPARC future

2012-06-25 Thread Martin Albrecht
oes this indicate a lack of doctests in Sage, or is the failure in a > > feature which isn't used by Sage? > > I don't know. Anybody who knows exactly which parts of Givaro we use is > welcome to look at the strack trace at > > http://trac.sagemath.org/9511 Cheers, Ma

Re: [sage-devel] Re: Detecting inheritance problems ?

2012-06-23 Thread Martin Albrecht
t; Though of course it would be best to fix the bug, override the generic > method, and add a doctest there. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://mar

Re: [sage-devel] html.table

2012-06-18 Thread Martin Albrecht
t they are looking for. > > Question/Poll: should html.table be imported globally, so that the > tab-completion above has an additional entry? It seems like this would help > a lot of people find a fairly obscure function. > > Thanks, > - kcrisman Cheers, Martin -- name: Martin

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-16 Thread Martin Albrecht
Okay, I don't get this failure with my copy of 5.0.1 on my machine and geom.math. So all doctests pass now! On 16 June 2012 15:30, Martin Albrecht wrote: > Hi again, > > On 11 June 2012 14:47, Martin Albrecht wrote: >> Update, we are down to these doctest failures: >>

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-16 Thread Martin Albrecht
Hi again, On 11 June 2012 14:47, Martin Albrecht wrote: > Update, we are down to these doctest failures: > > 1) File > "/opt/sage-5.0-linbox/devel/sage/sage/tests/french_book/numbertheory.py", > line 43: >    sage: [r for r in R] > Expected: >    [0, 2*x, x + 1

[sage-devel] needs review: SAT Solver Interface

2012-06-15 Thread Martin Albrecht
polynomial systems This needs review. It should be relatively easy because almost everything is optional anyway. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www:

Re: [sage-devel] mod_rewrite trac urls?

2012-06-14 Thread Martin Albrecht
+1 -- sent from a telephone. On Jun 14, 2012 9:32 PM, "Volker Braun" wrote: > Since we are using references to trac in the manuals, how about we allow > trac urls for tickets of the form > > http://trac.sagemath.org/ > > instead of the current > > http://trac.sagemath.org/sage_trac/ticke

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-14 Thread Martin Albrecht
No takers? :) On 11 June 2012 14:47, Martin Albrecht wrote: > Update, we are down to these doctest failures: > > 1) File > "/opt/sage-5.0-linbox/devel/sage/sage/tests/french_book/numbertheory.py", > line 43: >    sage: [r for r in R] > Expected: >    [0, 2*x

[sage-devel] Re: sage polybori patch

2012-06-11 Thread Martin Albrecht
is contradicts the way every other functions behave. I don't seem to understand what you mean, as this works fine: sage: P. = BooleanPolynomialRing() sage: x.variables() (x,) sage: (x+1).variables() (x,) > b) in multi_polynomial_libsingular.pyx, line 16865, this is a > TypeError, while

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-11 Thread Martin Albrecht
ed: Traceback (most recent call last): ... TypeError: Coordinates [a + 1, 0, 1] do not define a point on Hyperelliptic Curve over Finite Field in a of size 3^2 defined by y^2 + (x^2 + a)*y = x^7 + 2 Could someone familiar with the code weight in? -- name: Martin Albrecht _pgp: http://pgp.mit.edu:1

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-08 Thread Martin Albrecht
. I also built Sage 5.0 + these patches on /scratch/malb/sage-5.0-linbox on sage.math. So you can test it without building it first. Cheers, Martin PS: I will be AFK for the weekend starting now-ish. On 7 June 2012 19:43, Martin Albrecht wrote: > On 7 June 2012 19:37, Jason Grout wrote:

[sage-devel] humble sage-mode feature requests

2012-06-08 Thread Martin Albrecht
nicer. Only my five cents :) Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com _jab: martinralbre...@jabber.ccc.de -- To post to this group

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-07 Thread Martin Albrecht
On 7 June 2012 19:37, Jason Grout wrote: > On 6/7/12 1:32 PM, Martin Albrecht wrote: >> >> Hi, >> >> Brice (for [sage-devel]: he's from the LinBox project) and I are at >> the "Efficient Linear Algebra for Gröbner Basis Computations" workshop &

Re: [sage-devel] Re: Sage and LinBox >= 1.3.0

2012-06-07 Thread Martin Albrecht
ewer atlas and linbox... > > > > > On Thursday, June 7, 2012 7:32:15 PM UTC+1, Martin Albrecht wrote: >> >> Brice (for [sage-devel]: he's from the LinBox project) and I are at >> the "Efficient Linear Algebra for Gröbner Basis Computations" workshop >&g

[sage-devel] Fwd: Sage and LinBox >= 1.3.0

2012-06-07 Thread Martin Albrecht
Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com _jab: martinralbre...@jabber.ccc.de -- name: Martin Albrecht _pgp: http://pgp.mit.edu:1

[sage-devel] Sage and LinBox >= 1.3.0

2012-06-07 Thread Martin Albrecht
ac/ticket/12840 * M4RI update (because of the Givaro update): http://trac.sagemath.org/sage_trac/ticket/12841 -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht

[sage-devel] Re: Re: [Cryptominisat-devel] Sage <=> CryptoMiniSat

2012-06-04 Thread Martin Albrecht
e' to under 'blah/include/cryptominisat/' so when you > have to use '#include "cryptominisat/Solver.h"' for example. I hope you > agree it's much better this way. I have also fixed some other, misc > things in the makefile. Sounds good :) Cheers,

[sage-devel] Sage <=> CryptoMiniSat

2012-06-03 Thread Martin Albrecht
why do you install stdint.h in Makefile.am? It seems it's only relevant on Windows where Makefile.am shouldn't be used? -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://marti

Re: [sage-devel] Sage (tm)

2012-05-31 Thread Martin Albrecht
orney leaving UW soon for another job, this > has to happen ASAP if it is going to happen, so please respond by ** > Monday, June 4 **. (Emailing me offlist at wst...@uw.edu is fine > too.) > > [1] http://www.sagetrac.org/ Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit

Re: [sage-devel] Re: Geo buckets?

2012-05-23 Thread Martin Albrecht
't know the difference between the two, otherwise. Neither > appears to be wrapped directly in Sage, judging from > mpolynomial_libsingular.pxd. The closest we come to using them directly is in the groebner_strategy.pyx file. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.

Re: [sage-devel] Re: Help with detecting "glibc detected"

2012-05-03 Thread Martin Albrecht
On Thursday 03 May 2012, Simon King wrote: > Hi Martin, > > On 3 Mai, 16:08, Martin Albrecht > > wrote: > > Can you update to > > > > http://trac.sagemath.org/sage_trac/ticket/12840 > > > > and see if that fixes the issue? It's a bit of a

Re: [sage-devel] Re: Help with detecting "glibc detected"

2012-05-03 Thread Martin Albrecht
The former, PolyBoRi needs to be linked against the new M4RI library. I'd suggest to do this in a copy of your Sage install, you never know what my update will cause (although I tested it etc) On Thursday 03 May 2012, Simon King wrote: > Hi Martin, > > On 3 Mai, 16:08, M

Re: [sage-devel] Help with detecting "glibc detected"

2012-05-03 Thread Martin Albrecht
ctive session, I get > sage: sr = mq.SR(2,1,2,4,gf2=True,polybori=True) > sage: sr > SR(2,1,2,4) > sage: set_random_seed(1) > sage: F,s = sr.polynomial_system() > sage: F > Polynomial Sequence with 112 Polynomials in 64 Variables > > Can you please give me

Re: [sage-devel] SAT and MAXSAT in Sage

2012-05-01 Thread Martin Albrecht
le licence, by the way... > > Dima Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this gr

Re: Re: [sage-devel] Re: SPKG Repositories (M4RI(E))

2012-04-15 Thread Martin Albrecht
SPKGs. This thread was merely meant to invite people to do the same and to discuss potential issues. -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: m

Re: [sage-devel] Re: SPKG Repositories (M4RI(E))

2012-04-15 Thread Martin Albrecht
Hi, On Sunday 15 Apr 2012, Keshav Kini wrote: > Martin Albrecht writes: > > Hi, > > > > I don't know about you, but I screw up surprisingly often when it comes > > to cutting SPKGs (starting off from old versions, copying wrong files > > etc.). > >

[sage-devel] SPKG Repositories (M4RI(E))

2012-04-15 Thread Martin Albrecht
cloned the M4RI and M4RIE *SPKG* repositories here: https://bitbucket.org/malb/m4ri-spkg https://bitbucket.org/malb/m4rie-spkg for those who want to play with it. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D

[sage-devel] reply to Trac via e-mail?

2012-04-15 Thread Martin Albrecht
Hi, I was wondering how hard it would be (i.e., whether someone knows of a Trac plugin for this) to allow replying to Trac comments via e-mail. It would speed up the trivial to answer question response time etc. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup

Re: Re: [sage-devel] Request for Feedback: Talk on Sage for Cryptographers

2012-04-13 Thread Martin Albrecht
Hi David, On Friday 13 Apr 2012, David Joyner wrote: > On Fri, Apr 13, 2012 at 7:22 AM, Martin Albrecht > > wrote: > > Hi there, > > > > in May there is going to be a PhD summer school on "Tools for > > Cryptography" in Mykonos, Greece [1]. > &

[sage-devel] Request for Feedback: Talk on Sage for Cryptographers

2012-04-13 Thread Martin Albrecht
ykonos.psom.pdf http://bit.ly/ID12Ye Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to

Re: [sage-devel] Re: .coefficient() inconsistency

2012-03-26 Thread Martin Albrecht
: f = (x*y + x) sage: f.coefficient(x) y + 1 That is, the answer could actually be a polynomial. > Best regards, > Simon Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www:

[sage-devel] Re: [libsingular-devel] All known bugs in Sage silently producing wrong answers

2012-03-24 Thread Martin Albrecht
ost ready. However, I ran into this Singular bug when looking at http://trac.sagemath.org/sage_trac/ticket/7795 > ring r = 3,(T,z),dp; > poly f = z^3 + T*z; > f^(3^15); Segmentation fault It doesn't seem to be a simple "catch the overflow" bug. Any ideas? Cheers, Martin -- nam

Re: [sage-devel] Re: the state of dense linear algebra in Sage

2012-03-02 Thread Martin Albrecht
On Friday 02 Mar 2012, Simon King wrote: > Hi Martin, > > On 2 Mrz., 11:59, Martin Albrecht > > wrote: > > Meaning: knock yourselves out adding/filling in your > > > > favourite base ring :) > > I added some information on my MeatAxe fork wrappe

[sage-devel] the state of dense linear algebra in Sage

2012-03-02 Thread Martin Albrecht
base ring :) Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this group, send an emai

Re: [sage-devel] Re: Group collaboration on a branch of Sage

2012-03-02 Thread Martin Albrecht
think is pretty nice. - it feels to me like: let's switch software to address a social problem. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wor

Re: [sage-devel] Re: Group collaboration on a branch of Sage

2012-03-01 Thread Martin Albrecht
ttps://confluence.atlassian.com/display/BITBUCKET/Forking+a+bitbucket+Repository Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: mart

[sage-devel] Xcode, GCC, and Homebrew

2012-02-17 Thread Martin Albrecht
Hi, I don't run OSX often but from what I gather from posts here this should be relevant: http://kennethreitz.com/xcode-gcc-and-homebrew.html Cheers, Martin -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubs

Re: Re: [sage-devel] use "./configure; make" for Sage?

2012-02-09 Thread Martin Albrecht
the spkg-install scripts expect, so from their perspective nothing would change for now. > > --Mike Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.

Re: [sage-devel] GSOC 2012

2012-02-08 Thread Martin Albrecht
e was denied, and the > organization decided against funding it because the developers didn't > know us personally; their "no" was not based on weaknesses of the > project itself, which I found frustrating. So it's best if we are a > mentoring organization. > > --

Re: [sage-devel] Re: Should we slowly move the .py files to .pyx files now that we have iterators ?

2012-02-05 Thread Martin Albrecht
bout his code. > I do not know. Please stop spreading such paranoid rumours. Nathann didn't look at your patch, there is nothing to suggest he "refused to" or even that about you. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&s

Re: Re: [sage-devel] abuse of char C type in Cython (several places in sage/) - please review your code

2012-01-30 Thread Martin Albrecht
Thanks, > > Snark on #sagemath Did you by any chance test whether switching to unsigned char in the matrix_mod2 reduce function indeed fixes the issue? I don't have an ARM box here to test? Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&s

[sage-devel] Re: Re: [sage-support] performance of matrix_from_columns method ...

2012-01-30 Thread Martin Albrecht
an in precompiled versions as they > probably should be... They are compiled but use generic data structures only. They are also very cache unfriendly (column index in outer loop, then row index). We could probably gain something by simply swapping those. Cheers, Martin -- name: Martin Al

Re: [sage-devel] Factorising RSA modulus with high/low-order bits known module or relevent

2012-01-29 Thread Martin Albrecht
Z which likely is faster than what we wrap of NTL. Having that readily available in Sage would be awesome! Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wo

Re: Re: [sage-devel] Re: [ARM] pickling problem : help needed

2012-01-29 Thread Martin Albrecht
lt;32 \ | ((word)row[8*j+3])<<24 | ((word)row[8*j+2])<<16 \ | ((word)row[8*j+1])<< 8 | ((word)row[8*j+0])<< 0; A->rows[i][j] = ~tmp; } tmp = 0; switch((n/8 + ((n%8) ? 1 : 0))%8) { case 7: tmp |= ((word)row[8*j+7])<<56;

Re: [sage-devel] Sage build time

2012-01-20 Thread Martin Albrecht
f time. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this group, send an email to sage-

Re: [sage-devel] How to get the message from the standard output when interfacing gp and SAGE ?

2011-12-18 Thread Martin Albrecht
he inputs (starting with "?" i guess), filter all the synchronisation code etc. > > Thanks > Jean-François Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: ht

Re: [sage-devel] Sage mirrors

2011-12-16 Thread Martin Albrecht
sed versions, or are there any which carry > alphas and betas/rc ? They usually also mirror the latest alpha/beta, e.g. http://www.mirrorservice.org/sites/www.sagemath.org/devel/ > John Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8

Re: Re: [sage-devel] Current Sage line count?

2011-12-16 Thread Martin Albrecht
ke Hansen (5%), Rob Beezer (4%), Rado Kirov (5%), Volker Braun (3%)... Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre

Re: Re: [sage-devel] Magma verbosity

2011-12-14 Thread Martin Albrecht
Append(~_sage_, 0); > > > > Append(~_sage_, 0); > > > >>>>_sage_[9]:=Factorization(_sage_[5]); > > > > _sage_[9]:=Factorization(_sage_[5]); > > Integer main factorization (primality of factors will be proved) > > Effort: 3 > >

Re: Re: [sage-devel] timeit for mathematicians

2011-12-14 Thread Martin Albrecht
On Wednesday 14 December 2011, Volker Braun wrote: > On Wednesday, December 14, 2011 12:18:58 AM UTC, Martin Albrecht wrote: > > It uses the "Student-t" method to estimate the certainty > > This is precisely what the python documentation warns about (see Nils' >

Re: [sage-devel] timeit for mathematicians

2011-12-13 Thread Martin Albrecht
print (-d: dump) each measurement * (0:microseconds * 1:cpuclocks). It uses the "Student-t" method to estimate the certainty (don't ask me what that is, I don't know). Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0

Re:[sage-devel] Re: Proposal for faster linear algebra over GF(q), q<255 odd and non-prime

2011-12-01 Thread Martin Albrecht
Hi, LinBox uses the BLAS for dense matrices mod p where p <= 2^23, hence it would benefit from advances in that direction. There is also some (experimental?) code for dealing with non-prime fields in LinBox. Furthermore, there is some code - AFAIK not in LinBox yet - for packing multiple primes int

Re: [sage-devel] Re: Proposal for faster linear algebra over GF(q), q<255 odd and non-prime

2011-12-01 Thread Martin Albrecht
Tom, Simon's MeatAxe fork implements its own Strassen. But perhaps Sage's asymptotically fast Gaussian elimination could be useful? On Dec 1, 2011 9:09 AM, "Tom Boothby" wrote: > On Wed, Nov 30, 2011 at 6:52 AM, Simon King > wrote: > > Hi Dima, > > > > On 30 Nov., 15:29, Dima Pasechnik wrote: >

[sage-devel] Fwd: [gdr-im] Workshop on PARI/GP development (Bordeaux 2012)

2011-11-28 Thread Martin Albrecht
Fax: (+33) (0)5 40 00 69 50 351, cours de la Liberationhttp://www.math.u-bordeaux1.fr/~belabas/ F-33405 Talence (France) http://pari.math.u-bordeaux1.fr/ [PARI/GP] ` -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D

Re: [sage-devel] Re: Towards a proposal for faster linear algebra over GF(q), q<255 odd and non-prime

2011-11-28 Thread Martin Albrecht
Box does support > > non-prime finite fields but even Clément couldn't make it work easily > > IIRC. > > I remember they have non-prime fields. But at least #4260 doesn't use > it. Yep, that's correct. > Best regards, > Simon Cheers, Martin -- name: Mart

Re: [sage-devel] Towards a proposal for faster linear algebra over GF(q), q<255 odd and non-prime

2011-11-28 Thread Martin Albrecht
# six multiplications needed for Karatsuba at degree 3 5.70 which isn't that much faster than your 7.5 seconds, but the approach could be easily made to work for all extensions up to, say, degree, 10 and wouldn't be limited to p < 255. On the other hand, talking about the "

Re: [sage-devel] Re: LinBox crash on OpenSolaris with #4260

2011-11-22 Thread Martin Albrecht
0xfec8370c in _exithandle () from /lib/libc.so.1 #16 0xfec73f52 in exit () from /lib/libc.so.1 #17 0xfeef3232 in Py_Exit (sts=0) at Python/pythonrun.c:1716 #18 0xfeef3357 in handle_system_exit () at Python/pythonrun.c:1116 #19 0x in ?? () Now I only need to fix it :( Cheers, Martin -- name: M

[sage-devel] LinBox crash on OpenSolaris with #4260

2011-11-22 Thread Martin Albrecht
.so.1 #11 0xfec73f52 in exit () from /lib/libc.so.1 #12 0xfeef3232 in Py_Exit (sts=0) at Python/pythonrun.c:1716 #13 0xfeef3357 in handle_system_exit () at Python/pythonrun.c:1116 #14 0x in ?? () Any C++ expert out there with a good explanation what this means? Cheers, Martin -- name: M

Re: [sage-devel] Re: sage on hawk

2011-11-22 Thread Martin Albrecht
On Tuesday 22 November 2011, Volker Braun wrote: > Maybe you can tell us which environment variables you have set up? Do you > have something akin to > > LD_LIBRARY_PATH=/usr/local/gcc-4.5.0/lib:/usr/local/gcc-4.5.0/lib/amd64 > > On Tuesday, November 22, 2011 12:08:55 PM UT

Re: [sage-devel] Re: sage on hawk

2011-11-22 Thread Martin Albrecht
RY_PATH=/usr/local/gcc-4.5.0/lib:/usr/local/gcc-4.5.0/lib/amd64/ PATH=/usr/local/bins-for- sage/:/usr/local/bin:/usr/local/gcc-4.5.0/bin/:/usr/bin:/bin I didn't actually have LD_LIBRARY_PATH before but now, when I set it it still fails. > On Tuesday, November 22, 2011 12:08:55 PM UTC, M

[sage-devel] sage on hawk

2011-11-22 Thread Martin Albrecht
rs, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this group, send an email to sage-devel@googleg

Re: [sage-devel] Groupe d'Utilisateurs de Sage en région parisienne

2011-11-21 Thread Martin Albrecht
lab. > > http://www.sagemath.fr/ > http://www.sagemath.org > http://sagemath-edu.fr/wiki/ > -- > Nicolas M. Thiéry "Isil" > http://Nicolas.Thiery.name/ Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&se

Re: Re: [sage-devel] Re: The "sage -sh" shell prompt: any objections to shortening it?

2011-11-05 Thread Martin Albrecht
-- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this group, send an email to sage-devel@googlegroups.com T

Re: [sage-devel] Re: The "sage -sh" shell prompt: any objections to shortening it?

2011-11-05 Thread Martin Albrecht
an or not. Hence, additional modules need to be loaded for my PS1 to work as expected. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _ja

Re: [sage-devel] The "sage -sh" shell prompt: any objections to shortening it?

2011-10-31 Thread Martin Albrecht
clear reminder that we're using a subshell, but can > we shorten this to one line? (My votes: no, I don't find it useful, and > yes, I would prefer that it were shorter.) Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0D

Re: Re: [sage-devel] Re: libSingular much slower than Singular via pexpect??

2011-10-28 Thread Martin Albrecht
On Friday 28 October 2011, William Stein wrote: > On Thu, Oct 27, 2011 at 12:57 PM, Volker Braun wrote: > > On Thursday, October 27, 2011 1:38:34 PM UTC-4, Martin Albrecht wrote: > >> Sure, but it's still worrisome that a computation is slower in > >> libSingular

Re: [sage-devel] Re: libSingular much slower than Singular via pexpect??

2011-10-27 Thread Martin Albrecht
it's still worrisome that a computation is slower in libSingular than in Singular. If it's down to the different memory manager, then there isn't much we (can/will) do about, in which case it's at least good to know: e.g. computing a GB using pexpect might be faster if ther

Re: [sage-devel] Re: libSingular much slower than Singular via pexpect??

2011-10-27 Thread Martin Albrecht
f Sage 1.4 (!) I compared various malloc replacements: http://wiki.sagemath.org/MallocReplacements Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbr

Re: [sage-devel] Re: libSingular much slower than Singular via pexpect??

2011-10-27 Thread Martin Albrecht
On Thursday 27 October 2011, Simon King wrote: > Hi Martin, > > On 27 Okt., 11:39, Martin Albrecht > > wrote: > > On Thursday 27 October 2011, Simon King wrote: > > > Is that something to worry about? > > > > Yes! > > Good. I created trac ticket

Re: [sage-devel] libSingular much slower than Singular via pexpect??

2011-10-27 Thread Martin Albrecht
n confirm this behaviour. The problem doesn't seem to be restricted to __pow__, i.e. replacing ^i by products also gives slower results when using using libSingular. However, mod p it seems libSingular wins. Hence my guess: we are using different memory allocation functions for GMP and the

Re: [sage-devel] Re: tcpcrypt

2011-10-25 Thread Martin Albrecht
On Tuesday 25 October 2011, Jason Grout wrote: > On 10/25/11 10:40 AM, Martin Albrecht wrote: > > Jason asked me off list to jump in because I work in crypto. Btw. I am > > actually don't work in network security so I am not really an expert on > > the matter. But for wha

Re: [sage-devel] tcpcrypt

2011-10-25 Thread Martin Albrecht
However, from the website it seems, tcpcrypt doesn't guarantee privacy in the default setting except against passive attackers, i.e. those which can only listen but not control traffic on the network. But if there is a shared secret such as a password, it can optionally use authentication. Ch

[sage-devel] review request: M4RI update & M4RIE final sign-off

2011-10-04 Thread Martin Albrecht
27;s okay. Any takers? Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D7951CCF _www: http://martinralbrecht.wordpress.com/ _jab: martinralbre...@jabber.ccc.de -- To post to this group, se

[sage-devel] zsh prompt

2011-09-28 Thread Martin Albrecht
Hi there, are there any ZShell users around? I'm asking because http://trac.sagemath.org/sage_trac/ticket/11866 fixes the ZShell prompt after "sage -sh" and needs review. Cheers, Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&sea

Re: [sage-devel] Re: Matrix multiplication

2011-09-27 Thread Martin Albrecht
I just fixed the one speed-regression Simon pointed out, so the patch http://trac.sagemath.org/sage_trac/ticket/4260 needs a review again ... hint, hint! On 25 August 2011 04:41, Martin Albrecht wrote: > Hi everybody, > > it's the last day of Sage Days 32 and I push Burcin's

[sage-devel] applications for dense linear algebra over GF(2^e)

2011-09-21 Thread Martin Albrecht
basic algebras (about which I know nothing). However, there might be other applications out there. Hence my question: do you (want to) use efficient dense linear algebra over small finite fields with characteristic two for your research and if so, what is your research? Thanks! Martin

[sage-devel] global namespace

2011-08-31 Thread Martin Albrecht
ds a discussion on [sage-devel] because it's about adding *more* stuff to the global namespace, while we try to keep that to a minimum. Thoughts? Martin -- name: Martin Albrecht _pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99 _otr: 47F43D1A 5D68C36F 468BAEBA 640E8856 D

Re: [sage-devel] Re: library cflags

2011-08-28 Thread Martin Albrecht
his issue? > If not, you can open one and cc me. Okay, I've CCed you from http://trac.sagemath.org/sage_trac/ticket/11574 > I'm also on #sagemath btw., or feel free to mail me off-list. In the spirit of William's "post more" encouragement shouldn't we keep this

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