source: trunk/Couenne/src/bound_tightening

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Diff Rev Age Author Log Message
(edit) @490   10 years pbelotti cut repeated (EPL)…
(edit) @488   10 years pbelotti CPL -> EPL
(edit) @487   10 years pbelotti adopting new build system in trunk
(edit) @469   10 years pbelotti fixed trilinear cuts. moved Fixed Point FBBT ahead of convexification cuts.
(edit) @467   10 years pbelotti fixed small bug in FP. Saving variables in exprGroups cuts
(edit) @465   10 years pbelotti quick fix for downEstimate-upEstimate assert problem. Still working on …
(edit) @458   10 years pbelotti introducing trilinear convexification (code partly implemented by …
(edit) @457   10 years pbelotti better SOS recognition. Efficiency, cosmetic, output changes
(edit) @454   10 years pbelotti minor improvements in output and domain
(edit) @446   10 years pbelotti compile sdpcuts code
(edit) @445   10 years pbelotti fix a couple of compilation errors
(edit) @443   10 years giacomo.n
(edit) @442   10 years pbelotti small changes to Giacomo's code to fix compilation errors
(edit) @439   10 years pbelotti loosening bound check to prevent cutting optimum
(edit) @438   10 years pbelotti adding output to slow parts
(edit) @435   10 years pbelotti loosened precision in bound tightening to avoid below-tolerance …
(edit) @434   10 years giacomo.n Probing
(edit) @427   10 years pbelotti half-fixed bug that cuts optimum in nvs01
(edit) @426   10 years pbelotti fixed bug in division implied bound, which caused problems in …
(edit) @425   10 years pbelotti fix linearization bug with w <= x/y auxiliary variables. Fixing …
(edit) @420   10 years pbelotti generating orbit vector as pointer. Adding orbit-based bound …
(edit) @419   11 years pbelotti embellishing orbital branching
(edit) @414   11 years pbelotti temporary fix to be able to read COIN_HAS_NTY
(edit) @409   11 years jim_ostrowski Adding orbital branching features to Couenne
(edit) @406   11 years pbelotti added stats to fixed point BT
(edit) @405   11 years pbelotti added cuts from cs to fixed point LP (was only using si before)
(edit) @404   11 years pbelotti passing cs OsiColCuts? between BT and cutting planes, and added code to …
(edit) @402   11 years pbelotti Added infeasible cut generator to avoid expensive cut generation after …
(edit) @401   11 years pbelotti fixing some signs in twoImpliedBT
(edit) @397   11 years pbelotti disabling fixed point LP when fbbt terminated before the iteration …
(edit) @394   11 years pbelotti minor fixes
(edit) @392   11 years pbelotti fixing bug on fixed point lp bt
(edit) @389   11 years pbelotti allow 0 max-fbbt-iter
(edit) @387   11 years pbelotti introducing parameter for number of FBBT iterations
(edit) @385   11 years pbelotti finished Fixed Point Bound Tightening. Time to alpha test…
(edit) @384   11 years pbelotti compact fixed point seems to work
(edit) @383   11 years pbelotti solved a few formulation bugs in the FixPoint? BT
(edit) @382   11 years pbelotti testing fixpoint
(edit) @381   11 years pbelotti added fbbt fixpoint bound tightener, based on the solution of a large …
(edit) @380   11 years pbelotti some debug instructions that might go soon
(edit) @377   11 years pbelotti fixing storage best solution, moving includes, small changes to FP
(edit) @349   11 years pbelotti Added Couenne namespace. Committed old code for Feas Pump. Added code …
(edit) @336   11 years pbelotti adding empty code for sdp cuts
(edit) @335   11 years pbelotti change nlp solver interface to access options. Solving ticket #4 on …
(edit) @326   11 years pbelotti a little improvement
(edit) @322   11 years pbelotti Added support for Nauty
(edit) @318   11 years pbelotti fixed bug that gave 2.982 on minlplib/alan -- wrong OBBT implication …
(edit) @315   11 years pbelotti some fixes on semi-auxiliaries (esp. on multilinear terms)
(edit) @312   11 years pbelotti gave Couenne prefix to all header files
(edit) @311   11 years pbelotti re-organizing interface and heuristic files and directories
(edit) @310   11 years pbelotti temporary fix for minlplib/alan
(edit) @309   11 years pbelotti a few fixes on semi-auxiliaries
(edit) @308   11 years pbelotti minor fixes
(edit) @307   11 years pbelotti introducing semi-auxiliaries, i.e., variables defined with an …
(edit) @288   11 years pbelotti adding lib and include support for Nauty
(edit) @230   12 years pbelotti undid some leak-fixing code. Eliminated some useless debug memory …
(edit) @226   12 years pbelotti more readable
(edit) @225   12 years pbelotti wrong setting
(edit) @224   12 years pbelotti fixed leaks in aggressiveBT.cpp
(edit) @218   12 years pbelotti wrong check after dynamic_cast
(edit) @215   12 years pbelotti templatized CouenneSolverInterface?. Fixed a few branching bugs. Every …
(edit) @203   12 years pbelotti cut some warning
(edit) @191   12 years pbelotti fixed some zero down/up estimate setting. A little speedup in …
(edit) @151   12 years pbelotti ignore defined variables (aka common expressions) in nlp interface
(edit) @141   12 years pbelotti do abt on objective variable too. change fictitious bound differently …
(edit) @136   12 years pbelotti added context flag for CouenneSolverInterface::resolve -- check for …
(edit) @133   12 years pbelotti avoid aborting when Ipopt fails
(edit) @131   12 years pbelotti looser checks on bound tightening -- should prevent good upper/lower …
(edit) @116   12 years pbelotti restore unused original in getAuxs and initAuxs also.
(edit) @115   12 years pbelotti fix right value of objective computed in checkNLP -- numerics can make …
(edit) @112   12 years pbelotti isolate restoreUnused to when there is at least one unused -- takes …
(edit) @102   12 years stefan to resolve dependency of bound_tightening on libBonCouenne: add …
(edit) @96   12 years stefan resolve some circular dependencies by moving more into …
(edit) @93   12 years pbelotti new library modularization (broken with debug)
(edit) @79   12 years pbelotti name fixing. Trying to fix a crippling cast conversion for function …
(edit) @54   12 years stefan cl does not know which fabs to use, and code looks suspicious anyway
(edit) @39   12 years pbelotti Merging some of the latest changes from Bonmin/branches/Couenne: added …
(edit) @25   12 years pbelotti included methods in BonCouenne?*.cpp files in libCouenne
(copy) @5   12 years pbelotti added projDesc.xml, created trunk/ directory
copied from Couenne/src/bound_tightening:
(add) @1   12 years coin Initial import
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