-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
GLPK 4.33 -- Release Information
********************************
Release date: Oct 30, 2008
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 to the package:
glp_copy_prob copy problem object content
glp_exact solve LP in exact arithmetic
(makes lpx_exact deprecated)
glp_get_unbnd_ray determine variable causing unboundedness
(makes lpx_get_ray_info deprecated)
glp_interior solve LP with interior-point method
(makes lpx_interior deprecated)
The following new API routines for processing models written in
the GNU Mathprog language were added to the package:
glp_mpl_alloc_wksp allocate the translator workspace
glp_mpl_read_model read and translate model section
glp_mpl_read_data read and translate data section
glp_mpl_generate generate the model
glp_mpl_build_prob build LP/MIP instance from the model
glp_mpl_postsolve postsolve the model
glp_mpl_free_wksp deallocate the translator workspace
(These routines make lpx_read_model deprecated.)
For description of all these new API routines see the reference
manual included in the distribution.
A crude implementation of CPLEX-like interface to GLPK API was
added to the package. Currently it allows using GLPK as a core
LP solver for Concorde, a well known computer code for solving
the symmetric TSP. For details see examples/cplex/README.
Some bugs were fixed in the SQL table driver. Thanks to Xypron
<[EMAIL PROTECTED]>.
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:
27f78f73700add359f8251e0cbbdcc62 *glpk-4.33.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)
iD4DBQFJCawl0XvyMFmB6BgRAoiuAKCULIOjlqB5/65DH+v5PEu+JaotBwCYq1ll
bSR6aDKxu8aFyU5tYZqOVg==
=Zwcf
-----END PGP SIGNATURE-----
_______________________________________________
GNU Announcement mailing list <info-gnu@gnu.org>
http://lists.gnu.org/mailman/listinfo/info-gnu
