glpk 4.65 release information

[Andrew Makhorin]

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GLPK 4.65 Release Information
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Release date: February 16, 2018

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 C89 and
organized as a callable library.

        In this release:

        The following new API routines for LP/MIP preprocessing were
        added:

        glp_npp_alloc_wksp    allocate the preprocessor workspace
        glp_npp_load_prob     load original problem instance
        glp_npp_preprocess1   perform basic LP/MIP preprocessing
        glp_npp_build_prob    build resultant problem instance
        glp_npp_postprocess   postprocess solution to resultant problem
        glp_npp_obtain_sol    obtain solution to original problem
        glp_npp_free_wksp     free the preprocessor workspace

        See doc/npp.txt for detailed description of these API routines.

        A new, more robust implementation of locally valid simple cover
        cuts was included in the MIP solver.

        The API routine glp_init_iocp was changed to enable long-step
        option of the dual simplex by default.

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:

470a984a8b1c0e027bdb6d5859063fe8 *glpk-4.65.tar.gz

GLPK is also available as a Debian GNU/Linux package. See its web page
at <http://packages.debian.org/stable/math/glpk-utils>.

Precompiled GLPK binaries (lib, dll, exe) for 32- and 64-bit MS Windows
can be downloaded from <http://winglpk.sourceforge.net/>.
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