Timeline


and

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 …

Mar 15, 2009:

4:07 PM Changeset [1199] by jwatson
Merge of pysp PH-related code into main coopr trunk.
4:07 PM Changeset [1198] by jwatson
Final commit of pysp branch - it can be safely deleted now.
3:40 PM Changeset [1197] by jwatson
Final "touch-ups" relating to migrate of pysp to trunk (pyomo-specific …

Mar 13, 2009:

6:49 PM Changeset [1196] by wehart
This is a slight rework of the formatting of objective output. I …

Mar 12, 2009:

4:42 PM Changeset [1195] by jwatson
Migrating changes to pyomo and opt cores required for ph, from sp …
3:54 PM Changeset [1194] by jwatson
Fixed some recent plugin-related issues with CPLEX: tempfile manager …
3:41 PM Changeset [1193] by jwatson
Actually just commented out code in the previous commit - deleted it …
3:40 PM Changeset [1192] by jwatson
Eliminated redundant tempfile cleanup code.
3:37 PM Changeset [1191] by jwatson
Missed update related to the recent plugin migration.
3:33 PM Changeset [1190] by jwatson
Missed updates associated with plugin migration.

Mar 10, 2009:

2:16 PM Changeset [1189] by jwatson
Tweak of the rho factor in the quadratic objective.

Mar 7, 2009:

5:29 PM Changeset [1188] by jwatson
More edits/debugging of PH - it now converges correctly on Birge's …
4:04 PM Changeset [1187] by jwatson
More PH improvements/debugging.

Mar 6, 2009:

1:00 PM Changeset [1186] by jwatson
Various fixes to ph algorithm, addition of quadratic sub-expressions …

Mar 5, 2009:

12:50 PM Changeset [1185] by jwatson
Fixed issue with PH weight updating.

Mar 4, 2009:

6:58 PM Changeset [1184] by jwatson
Interim commit of various PH edits.
5:54 PM Changeset [1183] by jwatson
Added code to modify the linear cost objective in PH with the linear …

Mar 3, 2009:

3:59 PM Changeset [1182] by jwatson
Verified blending of averages within the tree nodes.
3:20 PM Changeset [1181] by jwatson
Added functional/tested code to compute the set of scenarios going …

Mar 2, 2009:

6:16 PM Changeset [1180] by jwatson
Morphed xbar and weights for PH into Params (automatically extracted …
5:14 PM Changeset [1179] by jwatson
Debugged version of stage->variable mapping in the scenario tree hierarchy.
3:15 PM Changeset [1178] by jwatson
Stable version of code linking up the scenario tree objects.

Feb 26, 2009:

6:06 PM Changeset [1177] by wehart
Misc refactoring of code. This will facilitate the use of models as …
5:23 PM Changeset [1176] by wehart
Adding two new components BuildCheck? and BuildAction?. Their usage is …
3:59 PM Changeset [1175] by wehart
Reworking the naming of temporary set names. JP noted that they were …
12:01 PM Changeset [1174] by wehart
A rework of coopr.pyomo to use plugins. This passes all unit tests.

Feb 24, 2009:

11:06 AM Changeset [1173] by wehart
Renaming the 'types' directory to 'components'.
11:05 AM Changeset [1172] by wehart
An initial rework of Pyomo to use plugins for model components. This …
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