Timeline


and

02/20/08:

10:56 Changeset [812] by wehart
Removing the Pyomo TODO list. A bugzilla site has been created for …
10:54 Ticket #3824 (Improve AMPL Dat compatability (empty sets)) created by wehart
After S = Set(), allow data to specify that S by empty: set S := ;
10:54 Ticket #3823 (Example bugs) created by wehart
Fix bugs revealed by: econmin.py econ2min.py multi.py …
10:53 Ticket #3822 (Test Pyomo with real examples) created by wehart
Add nightly tests for Pyomo.
10:52 Ticket #3821 (Semantics: derived data) created by wehart
Add a field for sets/parameters that indicates whether it is derived data …
10:52 Ticket #3820 (Semantics: nonlinear models with *.nl) created by wehart
Extend *.nl writer to enable the generation of nonlinear models. What …
10:51 Ticket #3819 (Pyomo cli: long solvers) created by wehart
Extend command-line execution to enable output of long-running solves to …
10:50 Ticket #3818 (Semantics: suffix support) created by wehart
Develop examples that need/use suffix information. See …
10:50 Ticket #3817 (Semantics: model instance indexing) created by wehart
Support access to data for refering to the model instance by index: …
10:49 Ticket #3816 (Semantics: Check object) created by wehart
Add a Check object, which can be inserted into a model to validate the …
10:48 Ticket #3815 (Pyomo Unit Test) created by wehart
Add unit tests to validate dimensionality values: model.A = …
10:47 Ticket #3814 (Suffix management) created by wehart
Should suffix information be managed in a more global manner within …
10:46 Ticket #3813 (Solver: add cplex solver) created by wehart
10:46 Ticket #3812 (Conversions between formats) created by wehart
How should this be managed? With a non-Python utility?
10:45 Ticket #3811 (Use a .coopr file?) created by wehart
Is there a need to support the configuration of Coopr? For example, …
10:44 Ticket #3810 (Presolve: add an explicit presolve phase) created by wehart
Doit
10:43 Ticket #3809 (Opt: solution set iterator) created by wehart
We need one…
10:43 Ticket #3808 (Solver: Create OS Solver interface) created by wehart
10:42 Ticket #3807 (Semantics: set initialization) created by wehart
How specify the following set? (i,j) i in 1..N-9, j in i..i+9
10:41 Ticket #3806 (Semantics: constraint object) created by wehart
Extend semantics of the Constraint class. What attributes/methods should …
10:41 Ticket #3805 (Efficient objective/constraint values) created by wehart
Reconsider the syntax for getting values for Objectives and Constraints. …
10:40 Ticket #3804 (Modeling Nonlinear Problems) created by wehart
Extend model instantiation to include the creation of sympy models (which …
10:39 Ticket #3803 (Variable attributes semantics) created by wehart
Reconsider semantics for variable attributes: lb, ub, fixed, initial. For …
10:38 Ticket #3802 (Improve AMPL data file reader) created by wehart
Replace current AMPL reader with LEX/YACC reader, which can validate the …
10:37 Ticket #3801 (Add error checks to the ModelData object) created by wehart
- no parameter/set is defined twice - no set contains duplicate elements - …

02/18/08:

14:23 Changeset [811] by wehart
A rework of the PyomoModel? file. This extracts the data import …
09:41 Changeset [810] by wehart
Eliminating a tab.

02/17/08:

23:21 Changeset [809] by wehart
Misc.
23:21 Changeset [808] by wehart
Some hooks for data sources
22:17 Changeset [807] by wehart
Misc fixes. Getting rid of tabs in ampl.py
21:49 Changeset [806] by wehart
Elimination of tabs in EXACT code. Rework of Acro code to work with …
21:37 Changeset [805] by wehart
Misc rework
19:06 Changeset [804] by wehart
Makefile fragment to copy scripts to acro/bin.
18:53 Changeset [803] by wehart
Removing EXACT source that was imported. We only needed to import the …
16:38 Changeset [802] by wehart
Misc documentation updates.
16:33 Changeset [801] by wehart
Removing rest of the exact-trunk, which is not integrated into PyAcro?.
16:24 Changeset [800] by wehart
Misc revisions, moving stuff out of the EXACT trunk.
16:15 Changeset [799] by wehart
Various changes
15:36 Changeset [798] by wehart
Moving the EXACT Python source to the PyAcro? root.
15:36 Changeset [797] by wehart
Misc rename.
15:34 Changeset [796] by wehart
Moving the EXACT trunk into the PyAcro? trunk.
15:01 Changeset [122] by wehart
Misc edits. Removing an unneeded file.
14:57 Changeset [121] by wehart
A final (?) commit to the reworked Pyomo source tree. Pyomo passes all of …
14:21 Changeset [120] by wehart
Misc
13:38 Changeset [119] by wehart
Misc.
13:38 Changeset [118] by wehart
Misc updates.
13:32 Changeset [117] by wehart
Misc revisions.
13:32 Changeset [116] by wehart
Misc revisions
12:56 Changeset [115] by wehart
Misc updates.
12:36 Changeset [114] by wehart
Misc revisions.
12:12 Changeset [113] by wehart
Adding some top-level files. Added an acro.opt directory
11:40 Changeset [112] by wehart
Moving various pyomo packages into a common, shared directory. Moving …
11:26 Changeset [111] by wehart
Moving pyomo tests into a test/pyomo subdirectory
11:25 Changeset [110] by wehart
Trying again?
11:24 Changeset [109] by wehart
Removing stuff from the test directory.
11:14 Changeset [108] by wehart
Misc
11:14 Changeset [107] by wehart
Temporary rename of the test directory.
11:13 Changeset [106] by wehart
Initial revisions of "pyomo" in preparation for the integration of the …

02/05/08:

12:58 Changeset [105] by dmgay
Adding readsol, a python script to read a .sol file (written by a solver …

01/30/08:

08:59 Changeset [104] by wehart
Misc edits.

01/23/08:

17:40 Changeset [103] by wehart
Misc fixes to GLPK update. Updated solution to print info when suffices …

01/21/08:

16:35 Changeset [102] by dmgay
Add mention of handling empty sets in data (new last item).
14:08 Changeset [101] by dmgay
Add mention of examples revealing bugs. Meant to commit this with the …
14:07 Changeset [100] by dmgay
Add --solver=nlwrite, which currently just writes unknown.nl. Fix bugs in …
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