glpk 4.50 release information

[Andrew Makhorin]

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GLPK 4.50 Release Information
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Release date: May 24, 2013

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:

        A new version of LU-factorization routines were added.
        Currently this version provides the same functionality as the
        old one, however, the new version allows further improving.

        Old routines for FHV-factorization used to update the basis
        factorization were replaced by a new version conforming to the
        new version of LU-factorization.

        Some clarifications about using the name index routines were
        added. Thanks to Xypron <address@hidden> for suggestion.

        Some typos were corrected in the MathProg language reference.
        Thanks to Jeffrey Kantor <address@hidden> for report.

        A serious bug (out-of-range indexing error) was *tentatively*
        fixed in the routine glp_relax4. Unfortunatly, this bug is
        inherited from the original Fortran version of the RELAX-IV
        code (for details please see ChangeLog), and since the code is
        very intricate, the bug is still under investigation. Thanks to
        Sylvain Fournier 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:

0c11cf9d53fe1becfb872f298f309ab2 *glpk-4.50.tar.gz

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

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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