Timeline


and

Apr 19, 2009:

6:08 PM Changeset [1266] by wehart
Adding logic to ignore the generation of constraints if the …
5:57 PM Changeset [1265] by wehart
Bug fixes to ensure that the RealSet? and IntegerSet? sets declare …
5:13 PM Changeset [1264] by wehart
Adding automatic computation of variable bounds based on the domain. …
4:28 PM Changeset [1263] by wehart
Adding 'inner_product', a function that computes multi-vector inner …
3:20 PM Changeset [1262] by wehart
Renaming the coopr/test/opt directory to coopr/test/plugins, since …
3:11 PM Changeset [1261] by wehart
Moving the 'reorg' branch into coopr/trunk.
3:10 PM Changeset [1260] by wehart
Deleting the Coopr trunk. I tried to merge changes from …
3:09 PM Changeset [1259] by wehart
Merging r1250:1257 from branches/reorg into trunk.
3:04 PM Changeset [1258] by wehart
A change in testing philosophy to ignore reordering effects in …
2:29 PM Changeset [1257] by wehart
Bug fixes in pyomo imports. Rework of unit tests to make them more …
2:06 PM Changeset [1256] by wehart
Setup coopr.core and coopr.plugins to work within the 'coopr.opt' …
1:49 PM Changeset [1255] by wehart
Adding a missing file. Adding properties to ignore *.pyc files.
1:45 PM Changeset [1254] by wehart
Rework of Coopr tests to segregate tests between 'core' and 'plugins'.
12:22 PM Changeset [1253] by wehart
Mostly converting coopr.opt references to coopr.core or coopr.plugins.
12:03 PM Changeset [1252] by wehart
Further reorg.
12:02 PM Changeset [1251] by wehart
Initial reorg.
11:57 AM Changeset [1250] by wehart
Creating a branch to test out a reorg of Coopr, to facilitate better …
11:52 AM Changeset [1249] by wehart
Ignoring *.pyc files.
11:50 AM Changeset [1248] by wehart
Disabling CPLEX tests for now. The CPLEX interface does not return …
8:51 AM Changeset [1247] by wehart
Bug fixes that were causing testing failures.

Apr 17, 2009:

4:47 PM Changeset [1246] by jwatson
Added output of PH objective values after each iteration (in verbose mode).
3:44 PM Changeset [1245] by jwatson
Added some formatting-related tweaks to PH, to aid debug/analysis.

Apr 16, 2009:

12:05 AM Changeset [1244] by wehart
Updates to improve the coverage of coopr.opt. This includes some …

Apr 15, 2009:

6:55 PM Changeset [1243] by jwatson
Added output of objective statistics for iteration 0 of PH - …
6:16 PM Changeset [1242] by jwatson
Added convergence class hierarchy to PH, and modified farmer+sizes …
3:05 PM Changeset [1241] by jwatson
The CPLEX LP format only allows 510 characters per line, which we were …
12:54 PM Changeset [1240] by jwatson
Added output of max-min spread to pprint() for PH at each iteration, …
12:41 PM Changeset [1239] by jwatson
Improved output for PH relating to weights, averages, and values. I …

Apr 14, 2009:

5:27 PM Changeset [1238] by jwatson
Fixed (with Bill's second pair of eyes) a missing "abs" when …
4:20 PM Changeset [1237] by jwatson
There are situations when solvers (e.g., CPLEX) don't write a solver …
4:10 PM Changeset [1236] by jwatson
Clear the solution cache prior to reading CPLEX solver results.
3:22 PM Changeset [1235] by jwatson
For MIPs, added "slack" suffix to solutions and modified CPLEX solver …
2:46 PM Changeset [1234] by jwatson
Correctly populated the demands for each of the 10 scenarios in the …
2:25 PM Changeset [1233] by jwatson
Fixed issue with module re-definition a while back relating to PySP - …
1:27 PM Changeset [1232] by jwatson
More cleanup / simplification of the two-period SIZES model.
1:10 PM Changeset [1231] by jwatson
Created precise variable domains for the SIZES problem, explicitly …

Apr 11, 2009:

4:51 PM Changeset [1230] by jwatson
Added stable version of (deterministic) forest harvesting planning example.
4:42 PM Changeset [1229] by jwatson
Improvement in error messages generated during expression …
4:25 PM Changeset [1228] by jwatson
Improved output messages for identifying which constraint/index pair …
4:08 PM Changeset [1227] by jwatson
Added index to constraint class pprint() function, to aid debugging.
11:29 AM Changeset [1226] by jwatson
The "sys" module (sys.out) wasn't being imported in the constraint …

Apr 7, 2009:

12:18 AM Changeset [1225] by jwatson
Addition of more debug information when _Collect1 simplification fails …

Mar 29, 2009:

12:14 PM Changeset [1224] by wehart
Removing errors in presolvers. Note that this functionality does not …

Mar 26, 2009:

1:58 AM Changeset [1223] by wehart
Rename of commit info.
1:58 AM Changeset [1222] by wehart
Testing commits…
1:42 AM Changeset [1221] by wehart
Adding hooks to support presolves. I'm not sure if this works right …
1:19 AM Changeset [1220] by wehart
Merged revisions 1217-1219 via svnmerge from …
1:15 AM Changeset [1219] by wehart
Update of PyPi? instructions.
1:01 AM Changeset [1218] by wehart
Update of documentation.

Mar 25, 2009:

7:46 PM Changeset [1217] by wehart
Fixing typo in the copyright statement used in Coopr source files.
7:30 PM Changeset [1216] by wehart
Initialized merge tracking via "svnmerge" with revisions "1-1214" from …
7:23 PM Changeset [1215] by wehart
Creating the 1.1 stable branch.

Mar 23, 2009:

11:36 PM Changeset [1214] by jwatson
Installed pysp as a "real" coopr package, shifted farmer test data out …
4:47 PM Changeset [1213] by jwatson
Addition of two-period sizes model, created by explicitly replicating …

Mar 22, 2009:

11:35 PM Changeset [1212] by jwatson
Renamed two-period formulation of sizes to multi-period (it is a …
11:32 PM Changeset [1211] by jwatson
Corrected the issue with the multi-period sizes formulation.
10:51 PM Changeset [1210] by jwatson
Added two (actually, multi) period version of the core "sizes" MIP - …
10:39 PM Changeset [1209] by jwatson
In LP output format, modified constraint names to be "suffixed" with …

Mar 20, 2009:

10:48 PM Changeset [1208] by jwatson
Updates / fixes to the sizes pysp test problem (deterministic variant).
6:19 PM Changeset [1207] by jwatson
Initial commit of the Jorjani/Scott/Woodruff? MIP formulation …
6:01 PM Changeset [1206] by jwatson
Fixed issue with preceding check-in.
5:57 PM Changeset [1205] by jwatson
Updated LP writer to not output integer/binary status for variables …
4:51 PM Changeset [1204] by jwatson
Added a warning to the cpxlp writer class to indicate when the problem …
3:28 PM Changeset [1203] by jwatson
Modified LP format writer to warn and throw an exception if the input …
1:23 PM Changeset [1202] by jwatson
Changed the default output for PICO to be LP format, rather than .NL. …
1:20 PM Changeset [1201] by jwatson
Fixes to NL writer associated with recent component/plug-in …
1:11 PM Changeset [1200] by jwatson
Improved message output / error handling when the solver type …
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