File glpk.changes of Package glpk
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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
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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
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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
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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
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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).
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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.
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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.
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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
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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.
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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
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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
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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
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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.
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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
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Mon Oct 31 14:40:30 UTC 2011 - pgajdos@suse.com
- updated to 4.47 (see NEWS)
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Tue May 24 13:37:04 UTC 2011 - pgajdos@novell.com
- updated to 4.45 (see NEWS)
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Thu Aug 19 09:00:31 CEST 2010 - pgajdos@suse.cz
- updated to 4.44 (see NEWS)
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Mon Mar 15 13:06:53 CET 2010 - pgajdos@suse.cz
- updated to 4.43 (see NEWS)
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Thu Nov 19 12:48:43 CET 2009 - pgajdos@suse.cz
- updated to 4.40 (see NEWS)
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Thu Jun 18 15:20:28 CEST 2009 - pgajdos@suse.cz
- updated to 4.38 (see NEWS)
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Mon Sep 15 16:05:56 CEST 2008 - pgajdos@suse.cz
- ghostscript instead of ghostscript-mini in the BuildRequires
section
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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.
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Mon Aug 18 16:30:15 CEST 2008 - pgajdos@suse.cz
- fixed glpk.pdf and gmpl.pdf build [bnc#417864]
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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
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Mon May 19 10:40:35 CEST 2008 - pgajdos@suse.cz
- sort_pool() defined as void [bnc#319454]
(void-function.patch)
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Mon Apr 7 13:50:53 CEST 2008 - pgajdos@suse.cz
- fixed BuildRequires
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Thu Mar 27 12:58:51 CET 2008 - pgajdos@suse.cz
- initial version, moved from OBS (project home:akos_ladanyi)
