[sage-devel] bug on inline_fortran sage-5.0.beta3 (OS X)

2012-02-10 Thread Guilherme Brondani Torri
Similar error shows up on the notebook for the %fortran magic... There is a linking against -L"Using built-in specs. ?? Further, inline_fortran is not being tested? I'm reading the code... but some of you probably now better/faster how to p

[sage-devel] Help with Assimulo spkg

2012-02-02 Thread Guilherme Brondani Torri
Fortran interfaces. Now I am having problems importing Fortran extensions such the one listed below. Does anyone have an idea what the import error means? And how to work around it? Please have a look on [3] for some more details. Any help is appreciated. Regards, Guilherme System: OS X

[sage-devel] Re: Sage 4.8 and 5.0.beta1 (OS X 10.6)-> Error installing package R

2012-01-31 Thread Guilherme Brondani Torri
On 30/01/12 22:06, François Bissey wrote: On Mon, 30 Jan 2012 16:20:50 Guilherme Brondani Torri wrote: Hello! I jut tried to compile Sage 4.8 and 5.0.beta1 on a OS X 10.6.8 (Snow Leopard) without success. I just did: export MAKE="make -j8" make Even after R fails the compilation

[sage-devel] sage-4.8 relocation problem (OSX binary)

2012-01-30 Thread Guilherme
mehow? If it is too much trouble I will go on and compile Sage from source. Regards, Guilherme It doesn't find *my* $SAGE_ROOT/local/lib ... gcc: assimulo/lib/kinsol_jmod.c gcc: assimulo/lib/kinpinv.c gcc -m64 -L/Users/buildbot/build/sage/bsd-1/bsd_64_binary/build/ sage-4.8/local/l

[sage-devel] Re: SIGSEGV during symbolic substitution on long expressions

2011-10-15 Thread Guilherme Brondani Torri
s are more meaningful to you... Hope it helps... Regards, Guilherme On 13/10/11 08:49, Jean-Pierre Flori wrote: Hi, I posted an updated spkg at http://www.infres.enst.fr/~flori/sage/pynac-0.2.4.spkg This is by no mean an official or definitive package, but it should at least include the mentione

[sage-devel] Re: SIGSEGV during symbolic substitution on long expressions

2011-10-12 Thread Guilherme Brondani Torri
-build it breaks since I don't have the pynac/order.h On sage-4.7.1 hg tells me that 2 hunks are failing to apply (on /symbolic/expression.pyx). Should I be using sage-4.7.2 ? Whenever you have the time post once again the spkg I would like to give another try. Best regards, Guilherme

[sage-devel] SIGSEGV during symbolic substitution on long expressions

2011-10-10 Thread Guilherme
Sage under gdb with 'sage -gdb' to debug this. Sage will now terminate. ---- /Users/guilherme/sage-4.7.1/local/bin/sage-sage: line 301: 13128 Segmentation fault sage-ipython "$@" -i If I run under 

[sage-devel] Re: Fast substitution symbolic matrices/vectors for numeric intensive task?

2011-09-07 Thread Guilherme
Hi, Didn't mean to reply to myself, just wanted to include some further information I found. I found the following worksheet where the author managed to generate C code from symbolic expressions. He also did some optimization collecting subexpressions. http://www.sagenb.org/home/pub/2659/ Code is

[sage-devel] Re: Fast substitution symbolic matrices/vectors for numeric intensive task?

2011-09-06 Thread Guilherme Brondani Torri
Hi Jason, Does that use fast_callable? I couldn't find a mention of fast_callable in the worksheet anywhere except in the descriptive text at the top. For some the mentioned worksheets are not at there. I republished them: My original: http://www.sagenb.org/home/pub/3117/ Modified by Marteen:

[sage-devel] Re: Fast substitution symbolic matrices/vectors for numeric intensive task?

2011-09-06 Thread Guilherme
Hi Richard, I am sorry, I replied directly to you instead of here in the list. I apologize for that. Anyway, thank you for the suggestions. Regards, Guilherme -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel

[sage-devel] Re: Fast substitution symbolic matrices/vectors for numeric intensive task?

2011-09-06 Thread Guilherme
ctor) as a function. Lazy and fast. If you print([expression]) it is almost Fortran. Maybe a print_fortran([expression]) is what I am looking for. > Hope this helps, Sure it helped! Thanks. Regards, Guilherme -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe

[sage-devel] Fast substitution symbolic matrices/vectors for numeric intensive task?

2011-09-04 Thread Guilherme
tions wouldn't hurt. Therefore I am looking for instructions on how you guys would proceed do write such translator... if not yet available. Any thoughts or alternatives? Regards, Guilherme -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send a

[sage-devel] Re: ODE/DAE solver on Sage, spkg for SUNDIALS and Assimulo

2011-05-13 Thread Guilherme
Hi Thierry On May 13, 11:04 am, Thierry Dumont wrote: > Hello, > > Asimulo seems great: it does exactly what I wanted to do: integrate > Radau5 in Sage. Radau5 is from far the best method for the integration > of (very) stiff ODEs... > I couldn't find an Assimulo example with Radau5. I tweaked t

[sage-devel] ODE/DAE solver on Sage, spkg for SUNDIALS and Assimulo

2011-05-13 Thread Guilherme
thon-sundials. I have already something, but somehow I am mixing x86_64 with i368 libs on the OSX... Assimulo besides of having more developers they also have a trac and more documentation. That is it. What should I do next with these packages?? Looking forward for further discussion and corrections.

[sage-devel] Re: DAE solver on Sage, Python wrapper for SUNDIALS

2011-05-12 Thread Guilherme
om the experienced people there. Best, Guilherme -- To post to this group, send an email to sage-devel@googlegroups.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

[sage-devel] Re: DAE solver on Sage, Python wrapper for SUNDIALS

2011-05-11 Thread Guilherme
Hi Ondrej, > Will you create some spkg packages for the codes above? If so, I'd be > interested in it too, and I can test them. Once I learn how to do a spkg I will be pleased to do so. I'm reading the docs... As I mentioned I just started with Sage. Both Assimulo and python-sundials *are workin

[sage-devel] DAE solver on Sage, Python wrapper for SUNDIALS

2011-05-10 Thread Guilherme
Hello, A quick followup on the subject of finding a Python wrapper for SUNDIALS. Good news is that there are a few projects that did it already. I will short review what I found. 1) python-sundials http://code.google.com/p/python-sundials/ Just a Cython wrapper around the original SUNDIALS code (

[sage-devel] Re: DAE solver on Sage.

2011-05-05 Thread Guilherme
On May 5, 7:04 am, Thierry Dumont wrote: > If it is possible, I propose (me) to make a package of ODE/DAE > intergrators: ther is a lot of methods which would be nice in Sage like > Implicit R-K methods, Symplectic methods and so on... I naively volunteer to help on setting a package with updat

[sage-devel] Re: DAE solver on Sage.

2011-05-05 Thread Guilherme
On May 4, 6:48 am, Joris Vankerschaver wrote: > I wrote a C++ wrapper around DASSL some time ago, I've being tracking/learning more about available codes. I was amazed to learn that there is a huge zoo of many different solvers. I gathered some links and I am trying to tabulate this informatio

[sage-devel] Re: DAE solver on Sage.

2011-05-05 Thread Guilherme
On May 4, 1:48 am, David Joyner wrote: > It seems there is a python interface to > daetoolshttp://daetools.sourceforge.net/w/index.php/PyDAE_user_guide PyDAE seems *very* interesting. It also quite a large beast. It sweeps from Blas, SUNDIALS IDAS (!), Umfpack, MUMPS, Trilinos... Maybe it makes

[sage-devel] DAE solver on Sage.

2011-05-03 Thread Guilherme
ere other options? Comments are welcomed. Kind regards, Guilherme Brondani Torri -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://grou