Hi Luiz, I don't use Gusek, not sure how to help with that, sorry. I have a question for you, thought you might know the answer: why the PyGLPK compiles with mingw but not with the MS visual studio C++ compiler? Is there anyway to fix this problem? Please drop me a line if you have a clue. Thanks!
Yingjie --- On Thu, 11/5/09, Luiz Bettoni <[email protected]> wrote: > From: Luiz Bettoni <[email protected]> > Subject: [Help-glpk] GLPK MingW build files and PyGLPK > To: "Andrew Makhorin" <[email protected]> > Cc: "help-glpk" <[email protected]> > Date: Thursday, November 5, 2009, 10:25 PM > Hi, Andrew, xypron! > > You do not intend to include MingW w32 > build files in GLPK package anymore? > > On every GLPK launch i've patched them and > sent to the list, but if no-one uses mingw > to build GLPK (I'm alone? Ü), it's wast effort. > > If MingW build files isn't util anymore, I'm > planning replace Gusek glpsol binaries by > winglpk pre-build ones. > > > > Hi, all! > > Noli has suggested patch Gusek to allow python > editing (based ond SciTE original capabilities). > I think that is a good idea, but I did'nt use PyGLPK > and PyMathProg to test it. Someone interested? > > > Thanks, > Luiz > > > Andrew Makhorin wrote: > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > GLPK 4.40 -- Release Information > > ******************************** > > > > Release date: Nov 03, 2009 > > > > GLPK (GNU Linear Programming Kit) is intended for > solving large-scale > > linear programming (LP), mixed integer linear > programming (MIP), and > > other related problems. It is a set of routines > written in ANSI C and > > organized as a callable library. > > > > In this release: > > > > The following > new API routines were added: > > > > > glp_del_vertices > remove vertices from graph > > > glp_del_arc > remove arc from graph > > > glp_wclique_exact > find maximum weight clique with the exact > > > > algorithm developed by Prof. P. Ostergard > > > glp_read_ccdata > read graph in DIMACS clique/coloring > > > > format > > > glp_write_ccdata write > graph in DIMACS clique/coloring > > > > format > > > > For description > of these new routines see a new edition of the > > reference manual > included in the distribution. > > > > The hybrid > pseudocost branching heuristic was included in the > > MIP solver. It > is available on API level (iocp.br_tech should > > be set to > GLP_BR_PCH) and in the stand-alone solver glpsol > > (via the > command-line option --pcost). This heuristic may be > > useful on > solving hard MIP instances. > > > > The branching > heuristic by Driebeck and Tomlin (used in the > > MIP solver by > default) was changed to switch to branching on > > most fractional > variable if an lower bound of degradation of > > the objective is > close to zero for all branching candidates. > > > > A bug was fixed > in the LP preprocessor (routine npp_empty_col). > > Thanks to Stefan > Vigerske <[email protected]> > for the > > bug report. > > > > A bug was fixed > and some improvements were made in the FPUMP > > heuristic > module. Thanks to Xypron <[email protected]>. > > > > A bug was fixed > in the API routine glp_warm_up (dual > > feasibility test > was incorrect in maximization case). Thanks to > > Uday Venkatadri > <[email protected]> > for the bug report. > > > > See GLPK web page at <http://www.gnu.org/software/glpk/glpk.html>. > > > > GLPK distribution can be ftp'ed from <ftp://ftp.gnu.org/gnu/glpk/> or > > from some mirror ftp sites; see <http://www.gnu.org/order/ftp.html>. > > > > MD5 check-sum is the following: > > > > 73821dae9c52905f012ce1b501f59b66 *glpk-4.40.tar.gz > > > > GLPK is also available as a Debian GNU/Linux package. > See its web page > > at <http://packages.debian.org/etch/glpk>. > > -----BEGIN PGP SIGNATURE----- > > Version: GnuPG v1.2.1 (MingW32) > > > > > iD8DBQFK8Czg0XvyMFmB6BgRAjWaAJ9mfLTKvulhbjDwbwNUK20HEOHuFwCgmgkL > > HJKfn16RXqGMEQXmLSS9gVk= > > =OQJm > > -----END PGP SIGNATURE----- > > > > > > > _______________________________________________ > Help-glpk mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/help-glpk > _______________________________________________ Help-glpk mailing list [email protected] http://lists.gnu.org/mailman/listinfo/help-glpk
