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CVS Commit History:


   2011-12-07 19:52:23 by Matthias Drochner | Files touched by this commit (2) | Package updated
Log message:
update to 4.47
changes:
-added API/options for Satisfiability problems
-minor bugfixes
   2010-12-24 13:25:01 by Aleksej Saushev | Files touched by this commit (2)
Log message:
Update to GLPK 4.45, this is bug fix release.
While here, convert to MASTER_SITE_GNU and support TEST_TARGET.
   2010-07-13 08:46:56 by Adam Ciarcinski | Files touched by this commit (2)
Log message:
Changes 4.44:
The following suffixes for variables and constraints were
implemented in the MathProg language:

.lb     (lower bound),
.ub     (upper bound),
.status (status in the solution),
.val    (primal value), and
.dual   (dual value).

Now the MathProg language allows comment records (marked by
'#' in the very first position) in CSV data files read with the
table statements. Note that the comment records may appear only
in the beginning of a CSV data file.

The API routine glp_cpp to solve the Critical Path Problem was
added and documented.
   2010-05-21 12:36:56 by Adam Ciarcinski | Files touched by this commit (2)
Log message:
Changes 4.43:
* This is a maintainer release.
* `configure.ac' was changed to allow building the package under
  Mac OS and Darwin with ODBC support.
* The SQL table driver was improved to process NULL data.
* Some bugs were fixed in the LP/MIP preprocessor.

Changes 4.42:
* The new API routines were added.
* The new command-line options were added to the stand-alone solver glpsol.
   2010-03-24 22:54:17 by Aleksej Saushev | Files touched by this commit (14) | Package updated
Log message:
Recursive revision bump for GMP update, 2nd part.
   2010-03-24 20:43:29 by Aleksej Saushev | Files touched by this commit (75) | Package updated
Log message:
Recursive revision bump for GMP update.
   2009-03-20 20:25:55 by Joerg Sonnenberger | Files touched by this commit (1252)
Log message:
Simply and speed up buildlink3.mk files and processing.
This changes the buildlink3.mk files to use an include guard for the
recursive include. The use of BUILDLINK_DEPTH, BUILDLINK_DEPENDS,
BUILDLINK_PACKAGES and BUILDLINK_ORDER is handled by a single new
variable BUILDLINK_TREE. Each buildlink3.mk file adds a pair of
enter/exit marker, which can be used to reconstruct the tree and
to determine first level includes. Avoiding := for large variables
(BUILDLINK_ORDER) speeds up parse time as += has linear complexity.
The include guard reduces system time by avoiding reading files over and
over again. For complex packages this reduces both %user and %sys time to
half of the former time.
   2009-01-18 00:36:22 by Adam Ciarcinski | Files touched by this commit (2)
Log message:
Changes 4.35:
* New API routines were added to the package.
* A minor change were made in the internal routine xputc.
* A minor bug was fixed in the internal routine mpl_fn_time2str.
   2008-12-19 20:47:38 by Adam Ciarcinski | Files touched by this commit (2)
Log message:
Changes 4.34:
* The GNU MathProg modeling language was supplemented with three
  new built-in functions:
	gmtime    obtaining current calendar time
	str2time  converting character string to calendar time
	time2str  converting calendar time to character string
* For detailed description of these functions see Appendix A in
  the document "Modeling Language GNU MathProg", a new edition of
  which was included in the distribution.
* A bug was fixed in the MIP solver.
* A new makefile was added to build the GLPK DLL with Microsoft
  Visual Studio Express 2008 for 64-bit Windows.
   2008-11-07 21:01:29 by Adam Ciarcinski | Files touched by this commit (2)
Log message:
Changes 4.33:
* New API routines
* 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.
* Some bugs were fixed in the SQL table driver.

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