glpk 4.60 release information

[Andrew Makhorin]

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GLPK 4.60 Release Information
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Release date: April 1, 2016

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:

        Some improvements were made in the primal and dual simplex
        solvers to make the solution process more numerically stable.

        An experimental long-step ratio test feature was added to the
        dual simplex. On API level this feature is available thru the
        GLP_RT_FLIP option. For glpsol it is available thru the options
        --flip. This feature is not documented yet.

        Additional check was added to reject wrong solutions sometimes
        reported by the PROXY heuristic.

        A bug (memory leak) was fixed in the FPUMP heuristic routine.
        Thanks to <address@hidden> for bug report.

        The header sql.h was renamed to avoid conflicts with standard
        ODBC headers. Thanks to Noli Sicad <address@hidden> for 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:

eda7965907f6919ffc69801646f13c3e *glpk-4.60.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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