Timeline


and

May 4, 2007:

6:18 PM Changeset [531] by pbelotti
added reduced cost fixing. Separated bound tightening from …
12:38 PM Changeset [530] by ladanyi
prepare Bcp for changing some LPs into TM storage places. Serial …
12:35 PM Changeset [529] by ladanyi
return false by default in eval_upper_bound_f so that the compiler …

Apr 30, 2007:

4:22 PM Changeset [528] by pbonami
Test a 0.2a branch
4:11 PM Changeset [527] by pbonami
Better exit if initial relaxation can not be solved due to time
2:01 PM Changeset [526] by pbonami
Transmit time limit to Ipopt
1:48 PM Changeset [525] by pbelotti
implied bounds: fix some of the infinity handling

Apr 29, 2007:

1:58 AM Changeset [524] by pbelotti
rethought the meaning of infinity in implied bounds. Include …

Apr 28, 2007:

1:46 PM Changeset [523] by pbelotti
keep coefficients low in powers with big coefficients
2:11 AM Changeset [522] by pbelotti
improved LaTeX stats output
2:10 AM Changeset [521] by pbelotti
introducing better bounds for sin/cos. Tool for drawing cuts

Apr 27, 2007:

3:39 PM Changeset [520] by pbelotti
limit power upper/lower bounds to get reasonable coefficients
11:53 AM Changeset [519] by pbonami
Make code for handling different objective functions for lower and …
10:54 AM Changeset [518] by pbelotti
diverting optimization sense as per the .nl file
12:41 AM Changeset [517] by pbelotti
cut space giving compilation error
12:40 AM Changeset [516] by pbelotti
clean list in BonBonminSetup?.hpp
12:13 AM Changeset [515] by pbelotti
restored infeasible cut to fathom after generateCuts(), this time also …

Apr 26, 2007:

9:21 PM Changeset [514] by pbonami
Put back forgotten heuristic in BonminSetup?
2:00 PM Changeset [513] by pbonami
Try to free ASL object cleanly
1:57 PM Changeset [512] by pbonami
Fix Mismatched free() / delete / delete []
1:48 PM Changeset [511] by pbonami
Fix unregistered options in Couenne
10:17 AM Changeset [510] by pbonami
Make Smart pointer for storing asl*
9:37 AM Changeset [509] by pbonami
Free ASL object
9:26 AM Changeset [508] by pbonami
Make bcp-bonmin work with new setup

Apr 25, 2007:

9:55 PM Changeset [507] by pbelotti
cut debug printf
6:09 PM Changeset [506] by pbelotti
avoid cuts with huge coefficients. Added powNewton to compute deepest …
6:08 PM Changeset [505] by pbelotti
allow to print LaTeX output at the end of B&B
6:04 PM Changeset [504] by pbelotti
add tolerance to cutoff to prevent infeasible convexifications
3:16 PM Changeset [503] by pbonami
Fix few problem in fun
3:05 PM Changeset [502] by pbonami
Store CouenneCutGenerator? outside of CouenneInterface?. CouenneCbc? does …
2:20 PM Changeset [501] by pbonami
make an -> a .
2:10 PM Changeset [500] by pbonami
Make CbcModel? model's a member of Bab2
10:47 AM Changeset [499] by pbelotti
update arrays before calling getFixVar
12:58 AM Changeset [498] by pbelotti
fixed serious bug with x(2k+1)
12:04 AM Changeset [497] by pbelotti
testing new conv-expr{Sin,Cos}. Added tool for deepest cut in exprPow

Apr 24, 2007:

7:28 PM Changeset [496] by pbonami
A few fixes in initialization for specific applications
5:02 PM Changeset [495] by pbelotti
NULL not defined, added #include <stdlib.h>
5:01 PM Changeset [494] by pbelotti
remove pointer nlp_and_solver, was giving error
4:10 PM Changeset [493] by pbonami
De-activate reduce and split by default since makes some relaxations …
3:56 PM Changeset [492] by pbonami
Fix bug when BabInfo? is empty
2:32 PM Changeset [491] by pbonami
Get information on infeasible node. Set strategy in case of failed nlp …
2:30 PM Changeset [490] by pbonami
Transmit information about infeasible node to Bonmin
2:08 PM Changeset [489] by pbonami
Fixed two potential leaks
1:02 PM Changeset [488] by pbonami
Fix uninitialized handler
11:57 AM Changeset [487] by pbonami
Missing new line in CouenneSetup?
11:54 AM Changeset [486] by pbonami
A few more errors. Builds on linux.
11:51 AM Changeset [485] by pbonami
Missing new line, a few errors in FilterSolver?
11:42 AM Changeset [484] by pbonami
Missing new line at end of file
11:41 AM Changeset [483] by pbonami
Missing new lines at end of files
11:16 AM Changeset [482] by pbonami
Use OsiAuxInfos? to transmit bounds
11:16 AM Changeset [481] by pbonami
Change setup of Bonmin. New classes BabSetupBase?, BonminSetup?, CouenneSetup?

Apr 21, 2007:

12:00 AM Changeset [480] by pbelotti
fixed exprPow::standardize. Introduced better convexification for …

Apr 19, 2007:

2:41 PM Changeset [479] by andreasw
make sure algorithm continues after cut strengthening NLP fails

Apr 18, 2007:

4:33 PM Changeset [478] by pbonami
Fixes bonmin.opt

Apr 17, 2007:

5:24 PM Changeset [477] by pbelotti
started updating exprSin/Cos convexifier. Eliminated infeasible …

Apr 16, 2007:

6:10 PM Changeset [476] by pbelotti
changed call to createCut(), add trivial cuts w >= k as OsiColCuts?
5:06 PM Changeset [475] by pbonami
Fix a nsaty bug
1:28 PM Changeset [474] by andreasw
several fixes for ECP cuts; correction in discjunction code
11:56 AM Changeset [473] by andreasw
included disjunctive cuts in CutStrengthener?; cleanup some other …

Apr 13, 2007:

5:00 PM Changeset [472] by pbelotti
fixed minor bug in linearize.cpp. Changed assumption in BabPtr_ -> …

Apr 12, 2007:

4:28 PM Changeset [471] by pbonami
Valgrind fix + compilation error.
2:48 PM Changeset [470] by pbonami
Fix a stupid bug in retrieving optimal solution
1:32 PM Changeset [469] by pbonami
Change option name
1:06 PM Changeset [468] by pbonami
Update Couenne Makefiles
11:51 AM Changeset [467] by pbelotti
fixed comparison of exprGroup
11:51 AM Changeset [466] by pbonami
Update configure
11:47 AM Changeset [465] by pbonami
More related to previous commit
11:45 AM Changeset [464] by pbonami
Various update (a lot) to allow users to register their own option in …
11:37 AM Changeset [463] by pbonami
Updates to documentation
11:25 AM Changeset [462] by pbonami
Replaced sqrt(5) with sqrt(5.)
9:10 AM Changeset [461] by pbonami
Make SimpleError::SimpleError?() private to fix error pointed out by Rodrigo

Apr 11, 2007:

10:30 PM Changeset [460] by pbelotti
fixed exprMul::generateCuts when one operand is almost constant
3:48 PM Changeset [459] by pbelotti
restored extra exprMul cuts
11:55 AM Changeset [458] by pbelotti
call Image () to update auxiliary variables
11:31 AM Changeset [457] by pbonami
Updates in NLP as heuristic

Apr 10, 2007:

5:01 PM Changeset [456] by andreasw
added curvature branching for SOS constraints
10:47 AM Changeset [455] by pbonami
Fix CppExample? makefile
9:43 AM Changeset [454] by pbonami
Add code for solving NLP's as an heuristic in spatial branch-and-bound
8:38 AM Changeset [453] by ladanyi
Added code so that curvature branching falls back to QP branching in …

Apr 9, 2007:

4:59 PM Changeset [452] by pbelotti
added CouenneProblem::getAuxs() to get aux variables from original

Apr 7, 2007:

11:48 PM Changeset [451] by pbelotti
fixed typo in linearize.cpp
11:35 PM Changeset [450] by pbelotti
fixed some bugs in multiplication bounding. Flatten linear expressions

Apr 6, 2007:

4:50 PM Changeset [449] by pbonami
Remove candidate for release 0.1.2
2:34 PM Changeset [448] by pbelotti
consider Ampl's objconst(0) once. Extra tangent cuts for products w=xy …
1:24 PM Changeset [447] by pbonami
Make release 0.1.2 from revision 449
1:16 PM Changeset [446] by pbonami
Candidate for release 0.1.2
1:58 AM Changeset [445] by pbelotti
fixed NaN bounds in initAux, added rank and multiplicity to branch …

Apr 4, 2007:

4:43 PM Changeset [444] by andreasw
fixed memory leak; print out information about cut strengthening based …
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