Timeline


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Aug 9, 2010:

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5:51 PM Changeset [2915] by wehart
Reverting class decorator syntax.
5:29 PM Changeset [2914] by prsteel
Fixes bug in error-catching routine. Previously, errors were raised …

Aug 7, 2010:

12:15 AM Changeset [2913] by wehart
Adding NL tests to the set that is found by the Coopr tester. Fixing …
12:00 AM Changeset [2912] by wehart
Reworking tests to create separate tests for each *.py file.

Aug 6, 2010:

6:51 PM Changeset [2911] by prsteel
Changes to allow Block objects to contain other Block objects. Added …
6:50 PM Changeset [2910] by wehart
Adding --cat and -v arguments, so this script's testing behavior is …

Aug 5, 2010:

5:11 PM Changeset [2909] by wehart
Bug fix ... always need to create the test suties, in order for nose …

Aug 3, 2010:

5:38 PM Changeset [2908] by khunter
On the road to Coopr with Python 2.4: $ test.coopr coopr.pyomo -> …
3:08 PM Changeset [2907] by prsteel
The cpxlp writer did not allow constant objectives to be printed …
3:04 PM Changeset [2906] by khunter
A few more models now run with Python 2.4. Still more tests to fix, …
2:54 PM Changeset [2905] by khunter
NFC: Whitespace only to unobfuscate next changes
1:02 PM Changeset [2904] by prsteel
Fixes bug in Pyomo reading unbounded/infeasible solution files from …
12:58 PM Changeset [2903] by prsteel
Reverting previous change to give a better commit message…
12:54 PM Changeset [2902] by prsteel
Fixes parsing error on infeasible/unbounded problems. Not actually …

Aug 2, 2010:

5:14 PM Changeset [2901] by prsteel
Bug fix in error message.
3:03 PM Changeset [2900] by khunter
Whoops, we don't support constructs like "return a <= b <= c". Let's …

Jul 30, 2010:

7:58 PM Changeset [2899] by prsteel
Fixes an apparent bug. Before, arithmetic operations on expressions …
7:17 PM Changeset [2898] by prsteel
Small syntax error fixed.
4:56 PM Changeset [2897] by wehart
Adding pyutilib.workflow, which will be used to define computational …
4:15 PM Changeset [2896] by khunter
Flush out an error message ad nausem. As a dev, I spent three minutes …
4:11 PM Changeset [2895] by wehart
Portability bug fix.
4:00 PM Changeset [2894] by khunter
Improve error message, hopefully make it a little more clear what the …
3:05 PM Changeset [2893] by prsteel
Major refactor. Much less of a memory sink now.
1:15 PM Changeset [2892] by prsteel
Update to transformation priority in StandardForm? transformations.
1:14 PM Changeset [2891] by prsteel
Updated definitions of new indices to resolve bug related to unpacking …

Jul 29, 2010:

8:06 PM Changeset [2890] by khunter
Be a little more explicit about /which/ is the problem objective (and …
7:59 PM Changeset [2889] by khunter
Asking for a non-existent objective key no longer results in an …
7:53 PM Changeset [2888] by prsteel
Updated logic for partial function for Python 2.4 and older.
7:46 PM Changeset [2887] by prsteel
Provisionally working dual transform. Has not been rigorously tested …
7:44 PM Changeset [2886] by prsteel
Comment changes.
7:35 PM Changeset [2885] by khunter
Refs #4104 "Multiple Objectives" Temporarily raise an error when a …
6:12 PM Changeset [2884] by prsteel
Update to expression parsing; transformation was erroneously assuming …
2:33 PM Changeset [2883] by claird
Fixed typos in util related to disabling the creation of the canonical …
1:35 PM Changeset [2882] by claird
Added nonlinear support to pyomo. This includes new intrinsic …
11:43 AM Changeset [2881] by prsteel
Updated alias definition of Block to match baseline tests. Updated …
11:32 AM Changeset [2880] by jwatson
Commenting out the deprecated issue, as I won't be able to fix this …
11:13 AM Changeset [2879] by prsteel
Updates to locations of function definitions.
12:28 AM Changeset [2878] by wehart
Updating baselines.

Jul 28, 2010:

6:54 PM Changeset [2877] by prsteel
Migrated definition of partial to util.py, where it is properly …
6:53 PM Changeset [2876] by prsteel
Initial commit for DualTransformation? transformation. Not yet complete.
1:57 PM Changeset [2875] by prsteel
Fix variable declarations in option processing.
1:49 PM Changeset [2874] by prsteel
Updates arguments passed to sub-transformations, correctly applies …
1:46 PM Changeset [2873] by prsteel
Updates exported functions.
1:45 PM Changeset [2872] by prsteel
Resolves issues with repeated call to identify_vars. The _varmap …
12:17 PM Changeset [2871] by prsteel
functools module is not available in all versions of Python, namely …
11:52 AM Changeset [2870] by prsteel
Updates error handling during construction. Model objects were …
11:24 AM Changeset [2869] by prsteel
Updates to Var and NonNegativeTransformation? objects. Var objects were …
11:17 AM Changeset [2868] by prsteel
Updates to the `alias' function calls in SharedParam? and SharedSet?
11:11 AM Changeset [2867] by prsteel
Updated test cases for set equality and inequality. Original test …

Jul 27, 2010:

8:08 PM Changeset [2866] by wehart
Adding the package OrderedDict?, which provides backwards compatibility …
8:05 PM Changeset [2865] by wehart
Adding a Block component, which is a base class for Model. Note that …
6:25 PM Changeset [2864] by prsteel
Import updates.
6:17 PM Changeset [2863] by prsteel
StandardForm? transformation, associated tests, and necessary big fix …
5:58 PM Changeset [2862] by prsteel
Added tests for transformation of Constraint objects through …
5:14 PM Changeset [2861] by prsteel
Lingering fringe case bug. Test case to follow, possibly via …
5:02 PM Changeset [2860] by prsteel
Nonnegativity transformation, and associated tests.
4:51 PM Changeset [2859] by prsteel
Updates RangeSet? bounds after post-construction filtering.
4:48 PM Changeset [2858] by prsteel
Fixes _VarValue bounds bug. Prior to this fix, explicit bounds …
12:00 PM Changeset [2857] by khunter
NFC: Remove unnecessary branch.
12:00 PM Changeset [2856] by khunter
NFC: Use a more pythonic form; easier to read.
11:59 AM Changeset [2855] by khunter
NFC: EOL whitespace

Jul 26, 2010:

11:53 PM Changeset [2854] by jwatson
Fixed exception raised by GLPK plugin when encountering the previously …
12:17 AM Changeset [2853] by jwatson
Adding solution infeasible status to CPLEX plugin - Pyomo will now …

Jul 23, 2010:

11:36 PM Changeset [2852] by jwatson
Enforced the PySP convention that underscore characters not be part of …
7:02 PM Changeset [2851] by prsteel
Adds missing class.
7:01 PM Changeset [2850] by prsteel
Import updates.
6:57 PM Changeset [2849] by prsteel
Added SharedSet? class. Removed 'alias' calls from subclasses of …
6:31 PM Changeset [2848] by jwatson
Forgot an export in the last commit.
6:31 PM Changeset [2847] by jwatson
Adding alias to avoid plugin "issues" in shared param definitions.
6:15 PM Changeset [2846] by prsteel
Pass "ctype" arguments.
6:04 PM Changeset [2845] by prsteel
More import fixes.
6:03 PM Changeset [2844] by prsteel
'from coopr.pyomo import *' now import Component and SharedComponent?.
6:01 PM Changeset [2843] by prsteel
SharedComponent? no longer inherits from Plugin. Import fixes.
5:36 PM Changeset [2842] by jwatson
Adding --keep-solver-files option to the PySP runef script, to aid …
5:35 PM Changeset [2841] by prsteel
Introduces SharedComponent? objects, which are designed to be …
12:30 PM Changeset [2840] by prsteel
Updated function parameters in IDataManager.
11:51 AM Changeset [2839] by prsteel
Added implementation specification to IDataManager based on the body …

Jul 22, 2010:

3:03 PM Changeset [2838] by jwatson
Fixed bug with random seed initialization.
11:12 AM Changeset [2837] by jwatson
Various touch-ups to compute conf PySP script - it looks good to go!
10:07 AM Changeset [2836] by jwatson
Eliminating a legacy debug output unconditionally generated when …

Jul 21, 2010:

7:29 PM Changeset [2835] by jwatson
More computeconf fixes.
5:03 PM Changeset [2834] by jwatson
Various updates to PySP computeconf while debugging/exercising the …
3:54 PM Changeset [2833] by jwatson
Fixes to pretty-print and solution computation in the PySP scenario …
3:07 PM Changeset [2832] by jwatson
Adding some enhanced verbosity to the ef writer to aid debug.
2:14 PM Changeset [2831] by khunter
Refs r2799: one more whoopso. Would have caught this if we had any …
2:10 PM Changeset [2830] by khunter
NFC: Removed unused variable.
2:06 PM Changeset [2829] by khunter
Fix Patrick's gripe about error output and '<Plugin ...>' string …
1:53 PM Changeset [2828] by khunter
Only remove a try-except code wrap. It's not necessary because we …
1:21 PM Changeset [2827] by khunter
Forgotten SOS wordwrap handling as mostly fixed in r2799.

Jul 20, 2010:

6:41 PM Changeset [2826] by prsteel
Previous constraint rules were required to be function objects, rather …
4:00 PM Changeset [2825] by jwatson
Modified GLPK plugin to throw an exception when unexpected line parse …
2:28 PM Changeset [2824] by jwatson
Improving error message to help identification of constraint …
1:48 PM Changeset [2823] by prsteel
Rule detection did not properly check for callable objects. Previously …
1:46 PM Changeset [2822] by jwatson
Fixing error message during model generation process. The declaration …
1:46 PM Changeset [2821] by prsteel
Added isfunctor, which returns True iff its one argument is callable.
1:30 PM Changeset [2820] by prsteel
Small change to Set.eq method. Was failing on non-set comparisons; …
11:52 AM Changeset [2819] by prsteel
Preliminary commit for nonnegativity transform. Not complete.

Jul 19, 2010:

7:54 PM Changeset [2818] by khunter
Make use of Python functions as first-class citizens to clean up some …
7:39 PM Changeset [2817] by khunter
Ref #4093 "PySP missing import" Fix for …
7:37 PM Changeset [2816] by khunter
Remove unnecessary variable set and bound check.
7:35 PM Changeset [2815] by khunter
NFC: remove EOL whitespace …

Jul 16, 2010:

7:48 PM Changeset [2814] by khunter
Another SOS example, this time with SOS2.
7:47 PM Changeset [2813] by prsteel
Added test cases for 'filter' capability of sets. Added test case for …
7:42 PM Changeset [2812] by prsteel
Fixes an off-by-one error when removing an element from an ordered set.
3:32 PM Changeset [2811] by prsteel
Added the ability to filter set elements after construction by …

Jul 15, 2010:

7:16 PM Changeset [2810] by khunter
Found an almost helpful error message while working on my model; …
7:13 PM Changeset [2809] by khunter
Minor grammar fixes, and resolution of a word-wrap issue for a file name.
7:11 PM Changeset [2808] by khunter
No wording or pdf output changes, but reformat LaTeX so that it's …
4:07 PM Changeset [2807] by prsteel
More import updates.
4:04 PM Changeset [2806] by prsteel
Update import definitions.
4:03 PM Changeset [2805] by prsteel
New class heirarchy for model transformations. Heirarchy: …
1:14 PM Changeset [2804] by prsteel
Added a utility module for model transformations, util.py. Currently …
12:18 PM Changeset [2803] by khunter
Forgot to do due diligence in checking my previous patch. Added an …
12:08 PM Changeset [2802] by khunter
Fix bug with interaction between wordwrap and CPlex CPlex apparently …

Jul 14, 2010:

5:02 PM Changeset [2801] by khunter
Allow for the possibility of numeric names. (Fix pprint assumption.) …
5:00 PM Changeset [2800] by khunter
NFC: remove EOL whitespace so as not to obfuscate actual work in next …
4:19 PM Changeset [2799] by khunter
Refs #3881: "CPlex LP line length enforcement" Formally enforce …
4:18 PM Changeset [2798] by prsteel
Base class for isomorphic transformations.
2:26 PM Changeset [2797] by prsteel
Adding EqualityTransform?, which creates an equivalent form of a model …
1:44 PM Changeset [2796] by khunter
A refactor at r2765 lost a sign. Correct oversight. Now test.coopr's …
1:43 PM Changeset [2795] by khunter
Add missing VarStatus?, broken since r2753, where is used to be pulled …
1:38 PM Changeset [2794] by khunter
Revert cpxlp back to 2792, initially broken. The next commit will …

Jul 13, 2010:

9:55 PM Changeset [2793] by jwatson
Reverting cpxlp.py to version 2763 and adding back in the VarStatus?
6:20 PM Changeset [2792] by khunter
Fix bug where pprint dies if stage names are non-strings. Basically, …
6:18 PM Changeset [2791] by khunter
Error message: Automatic cast to string in case, fixing possible ugly …
6:16 PM Changeset [2790] by khunter
NFC: Remove some whitespace, so it's clear what the *actual* changes …
3:47 PM Changeset [2789] by prsteel
Updates to var.py to allow indexed variables to contain both …
3:17 PM Changeset [2788] by prsteel
Removing the code migrated in previous fix.
3:17 PM Changeset [2787] by prsteel
Migrate 2.(<5) deepcopy fix for Objective from constraint.py to …
11:07 AM Changeset [2786] by prsteel
Support for generalized sums over k sets, like in AMPL. Added: …

Jul 12, 2010:

2:45 PM Changeset [2785] by prsteel
More dependency updates from splitting Constraint and Objective …
2:26 PM Changeset [2784] by prsteel
Necessary import for objective.py. Allow for from coopr.pyomo.base …
2:14 PM Changeset [2783] by prsteel
Primarily separates the definition of Objective and Constraint into …
12:19 PM Changeset [2782] by prsteel
A standard form transformation. Given a model M, StandardForm?(M) …
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