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File glpk.changes of Package glpk
------------------------------------------------------------------- Mon Dec 11 20:52:49 UTC 2017 - astieger@suse.com - update to 4.64: * The dual simplex solver routine was changed to perform more aggressive perturbation to prevent dual degeneracy and avoid stalling even if the current dual basic solution is strongly feasible (mainly if the objective is zero) * The exact simplex solver routine was changed to perform terminal output according to the verbosity level (specified by the control parameter smcp.msg_lev) * A minor bug (related to MS Windows version) was fixed * An example model (Graceful Tree Labeling Problem) in MathProg was added * Three example models (Power plant LP scheduler, Neumann CA grid emulator generator) in MathProg and one in Cplex LP format were added ------------------------------------------------------------------- Mon Jul 31 13:31:32 UTC 2017 - mpluskal@suse.com - Update to version 4.63: * A "smart" LP perturbation was implemented in the primal and dual simplex solvers. * The long-step technique was implemented for phase I of the primal simplex solver. * An internal objective scaling was included in both primal and ual simplex solvers. * The Posix version of glp_time (glpk/src/env/time.c) was changed to resolve time_t issue on msys2. * Three new example models in MathProg were added. * Changes for version 4.62: * The bound perturbation technique was included in the primal simplex solver to improve numerical stability and avoid cycling. * A range bug was fixed in the MPS reading routine. * Changes were made to provide 64-bit portability of the Minisat solver. * Calls to non-thread-safe functions gmtime, strerror, and strtok were replaced by calls to corresponding thread-safe equivalents ------------------------------------------------------------------- Mon Jan 23 16:00:00 UTC 2017 - mpluskal@suse.com - Update to version 4.61: * An option was added to build a re-entrant version of the package suitable for running in a multi-threaded environment. * A re-entrant version of the package allows running multiple independent instances of glpk in different threads of a multi-threaded application. - Use savannah as source for gpg keyring ------------------------------------------------------------------- Fri Apr 1 11:44:47 UTC 2016 - mpluskal@suse.com - Update to 4.60 * src/glpk.h Declarations of all non-documented API routines were hidden by #ifdef GLP_UNDOC / #endif. * src/simplex/spydual.c An experimental feature (objective coefficient perturbation) to improve numerical stabilty and avoid cycling was included in the dual simplex solver. - Enable gmp support ------------------------------------------------------------------- Sun Mar 13 15:07:54 UTC 2016 - mpluskal@suse.com - Update to 4.59 * Some bugs were fixed and some improvements were made in the MIP solver. * The data file format used by API routines glp_read_graph and glp_write_graph was changed. For more details please see the document "GLPK: Graph and Network Routines" included in the distribution. * Translation of the document "Modeling Language GNU MathProg" to Brazilian Portuguese (pt-BR) was included (in LaTeX and pdf formats). ------------------------------------------------------------------- Fri Feb 19 07:15:46 UTC 2016 - mpluskal@suse.com - Update to 4.58 * The solution file format used by API routines glp_read_sol, glp_write_sol, glp_read_ipt, glp_write_ipt, glp_read_mip, and glp_write_mip was changed. For more details please see the GLPK reference manual included in the distribution. * The tan function (trigonometric tangent) was added to GNU MathProg modeling language. * A new version of the document "Modeling Language GNU MathProg" in Spanish was included (in LaTeX and pdf formats). * A check to determine if libtool needs '-no-undefined' flag to build shared libraries on some platforms was added. * A script to regenerate the configure script and the Makefiles was added. ------------------------------------------------------------------- Sun Nov 8 09:34:38 UTC 2015 - mpluskal@suse.com - Update to 4.57 * A new, more efficient implementation of the dual simplex method was included in the package. This new implementation replaces the old one, which was removed. * Option sr_heur was added to struct glp_iocp to enable/disable the simple rounding heuristic used by the MIP solver. Thanks to Chris Matrakidis <cmatraki@gmail.com> for suggestion. * New API routine glp_at_error was added and documented. Thanks to Jeroen Demeyer <jdemeyer@cage.ugent.be> for suggestion. * Some minor typos were corrected in the GLPK documentation. Thanks to Anton Voropaev <anton.n.voropaev@gmail.com> for typo report. * An example application program TSPSOL was added. It uses the GLPK MIP optimizer to solve the Symmetric Traveling Salesman Problem and illustrates "lazy" constraints generation. For more details please see glpk/examples/tsp/README. ------------------------------------------------------------------- Fri Oct 2 12:19:02 UTC 2015 - mpluskal@suse.com - Update to 4.56 * A new, more efficient and more robust implementation of the primal simplex method was included in the package. This new implementation replaces the old one, which was removed. * A bug was fixed in a basis factorization routine. (The bug appeared if the basis matrix was structurally singular having duplicate row and/or column singletons.) Thanks to Martin Jacob * Scripts to build GLPK with Microsoft Visual Studio 2015 were added. Thanks to Xypron <xypron.glpk@gmx.de> for contribution and testing. - Cleanup spec file with spec-clener ------------------------------------------------------------------- Wed Nov 12 17:33:27 UTC 2014 - dmitry_r@opensuse.org - Update to version 4.55 * Bugfixes, documentation update. See NEWS file for details. ------------------------------------------------------------------- Mon Mar 31 06:34:30 UTC 2014 - pgajdos@suse.com - updated to 4.54 * Block-triangular LU-factorization was implemented to be used on computing an initial factorization of the basis matrix. * A new version of the Schur-complement-based factorization module was included in the package. Now it can be used along with plain as well as with block-triangular LU-factorization. * The API routine glp_read_mps was changed to remove free rows. * etc. see NEWS for details ------------------------------------------------------------------- Tue Dec 10 15:24:32 UTC 2013 - sweet_f_a@gmx.de - enable tests ------------------------------------------------------------------- Wed Aug 7 16:30:21 UTC 2013 - jengelh@inai.de - Update to new upstream release 4.52.1 * Version linkage information in the shared library was incorrect - Set RPM groups according to common practice - Do optional signature verification ------------------------------------------------------------------- Thu Jul 25 19:46:35 UTC 2013 - matwey.kornilov@gmail.com - use -fno-strict-aliasing to avoid warnings in minisat.c - don't use dvipdf, docs are in pdf in 4.52 ------------------------------------------------------------------- Thu Jul 25 18:57:43 UTC 2013 - matwey.kornilov@gmail.com - updated to 4.52 (see NEWA for details): * Some bugs were fixed. Thanks to Giorgio Sartor <0gioker0@gmail.com>, Xypron <xypron.glpk@gmx.de>, David T. Price <dtprice@speakeasy.net> * The clique cut generator was essentially reimplemented, and now it is able to process very large and/or dense conflict graphs. * Singleton and dense phases were implemented on computing LU-factorization with Gaussian elimination. * A new version of LU-factorization routines were added. * The new API routine glp_mincost_relax4, which is a driver to relaxation method of Bertsekas and Tseng (RELAX-IV), was added to the package. * All old API routines whose names begin with 'lpx_' were removed from API level and NO MORE AVAILABLE. ------------------------------------------------------------------- Wed Mar 27 07:28:51 UTC 2013 - pgajdos@suse.com - updated to 4.48: * This is a maintainer release. * Some minor changes in API (glpk.h) were made. For details please see ChangeLog. * Some bugs/typos were fixed. Thanks to Raniere Gaia Costa da Silva, Heinrich Schuchardt <xypron.glpk@gmx.de>, and Robbie Morrison <robbie@actrix.co.nz> for reports. ------------------------------------------------------------------- Thu Dec 6 10:21:05 UTC 2012 - jengelh@inai.de - Remove redundant tags/sections from specfile - Parallel build with %_smp_mflags - Avoid manual library dependencies; make doc subpackage noarch ------------------------------------------------------------------- Mon Oct 31 14:40:30 UTC 2011 - pgajdos@suse.com - updated to 4.47 (see NEWS) ------------------------------------------------------------------- Tue May 24 13:37:04 UTC 2011 - pgajdos@novell.com - updated to 4.45 (see NEWS) ------------------------------------------------------------------- Thu Aug 19 09:00:31 CEST 2010 - pgajdos@suse.cz - updated to 4.44 (see NEWS) ------------------------------------------------------------------- Mon Mar 15 13:06:53 CET 2010 - pgajdos@suse.cz - updated to 4.43 (see NEWS) ------------------------------------------------------------------- Thu Nov 19 12:48:43 CET 2009 - pgajdos@suse.cz - updated to 4.40 (see NEWS) ------------------------------------------------------------------- Thu Jun 18 15:20:28 CEST 2009 - pgajdos@suse.cz - updated to 4.38 (see NEWS) ------------------------------------------------------------------- Mon Sep 15 16:05:56 CEST 2008 - pgajdos@suse.cz - ghostscript instead of ghostscript-mini in the BuildRequires section ------------------------------------------------------------------- Thu Sep 11 14:06:30 CEST 2008 - pgajdos@suse.cz - updated to 4.31: * glpspx.h, glpspx01.c, glpspx02.c, glpapi06.c The dual simplex solver (spx_dual_opt) was replaced by a new implementation of the two-phase dual simplex method (spx_dual). Old simplex method routines (spx_prim_opt, spx_prim_feas, and spx_dual_opt) were removed from the package. * glpk.h, glpscl.h, glpscl.c, glpapi04.c New API routine glp_scale_prob was added. It replaces routine lpx_scale_prob which is deprecated. * glpk.h, glpini.h, glpini01.c, glpini02.c, glpapi05.c New API routines glp_std_basis, glp_adv_basis, glp_cpx_basis were added. They replace routines lpx_std_basis, lpx_adv_basis, lpx_cpx_basis which are deprecated. * glpdmp.c 8-byte data alignment was added to the module (sufficient for both ILP32 and LP64 environments). * glplib07.c 16-byte data alignment was added to the module to provide compatibility with LP64 environment (8-byte is not sufficient due to jmp_buf; thanks to Xypron for investigation). * glplpx16.c New version of the routine lpx_write_pb was added. Thanks to Oscar Gustafsson <oscarg@isy.liu.se> for the contribution. * glpspx.h, glpspx03.c, glpapi06.c The primal simplex solver (spx_prim_opt, spx_prim_feas) was replaced by a new implementation (spx_primal), which currently provides the same features as the old version. * glpmpl01.c, glpmpl03.c Some changes were made in the MathProg translator to allow <, <=, >=, and > on comparing symbolic values. Thanks to Heinrich Schuchardt <heinrich.schuchardt@gmx.de> for patches. * glplpx10.c Internal routine set_d_eps in the exact LP solver was changed to prevent approximation errors in case of integral data. Thanks to Markus Pilz <pilz@cs.uni-bonn.de> for bug report. * configure.ac The configure script was changed to disable optional features by default. For details see file INSTALL. * glpipp02.c A bug was fixed in the internal routine reduce_bounds. Thanks to Anne-Laurence Putz <anne-laurence.putz@eurodecision.com> for the bug report. * glpapi01.c New API routine glp_erase_prob was added. * glpapi13.c New API routines glp_read_mps and glp_write_mps were added. They replace API routines lpx_read_mps, lpx_read_freemps, lpx_write_mps, and lpx_write_freemps, which are deprecated. * glpapi14.c New API routines glp_read_lp and glp_write_lp were added. They replace API routines lpx_read_cpxlp and lpx_write_cpxlp, which are deprecated. * glpsql.c Minor bug was fixed. Thanks to Xypron <xypron.glpk@gmx.de> for the bug report. ------------------------------------------------------------------- Mon Aug 18 16:30:15 CEST 2008 - pgajdos@suse.cz - fixed glpk.pdf and gmpl.pdf build [bnc#417864] ------------------------------------------------------------------- Thu Jul 3 16:09:19 CEST 2008 - pgajdos@suse.cz - updated to 4.28: * Three wrapper routines xdlopen, xdlsym, and xdlclose, which provide the shared library support, were added. * A static linking to iODBC and MySQL libraries used in the MathProg table drivers was replaced by a dynamic linking to corresponding shared libraries. * Compressed data file support was added. * Command-line interface routines were added. * bug fixes ------------------------------------------------------------------- Mon May 19 10:40:35 CEST 2008 - pgajdos@suse.cz - sort_pool() defined as void [bnc#319454] (void-function.patch) ------------------------------------------------------------------- Mon Apr 7 13:50:53 CEST 2008 - pgajdos@suse.cz - fixed BuildRequires ------------------------------------------------------------------- Thu Mar 27 12:58:51 CET 2008 - pgajdos@suse.cz - initial version, moved from OBS (project home:akos_ladanyi)
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