SCIP
Solving Constraint Integer Programs
Solving Constraint Integer Programs
global SCIP settings
Definition at line 60 of file struct_set.h.
#include <struct_set.h>
| SCIP_STAGE SCIP_Set::stage |
SCIP operation stage
Definition at line 62 of file struct_set.h.
Referenced by checkStage(), copyProb(), displayRelevantStats(), exitPresolve(), freeReoptSolve(), freeSolve(), freeTransform(), getDualbound(), getLowerbound(), initPresolve(), initSolve(), prepareReoptimization(), presolve(), SCIPaddCons(), SCIPaddSol(), SCIPaddSolFree(), SCIPaddVar(), SCIPaddVarLocks(), SCIPaddVarObj(), SCIPchgReoptObjective(), SCIPchgVarLb(), SCIPchgVarLbGlobal(), SCIPchgVarObj(), SCIPchgVarType(), SCIPchgVarUb(), SCIPchgVarUbGlobal(), SCIPconvertCutsToConss(), SCIPcopyConcurrentSolvingStats(), SCIPcopyCuts(), SCIPcreateCons(), SCIPcreateOrigSol(), SCIPcreateProb(), SCIPcreateSol(), SCIPcreateSolCopyOrig(), SCIPcreateVar(), SCIPdelCons(), SCIPdelConsLocal(), SCIPdelConsNode(), SCIPdelVar(), SCIPenableOrDisableStatisticTiming(), SCIPenableReoptimization(), SCIPfindCons(), SCIPfindOrigCons(), SCIPfindVar(), SCIPfixVar(), SCIPfreeProb(), SCIPfreeReoptSolve(), SCIPfreeSol(), SCIPfreeSolve(), SCIPfreeTransform(), SCIPgetBestSol(), SCIPgetConss(), SCIPgetFixedVars(), SCIPgetNBinVars(), SCIPgetNConss(), SCIPgetNContVars(), SCIPgetNFixedVars(), SCIPgetNImplVars(), SCIPgetNIntVars(), SCIPgetNObjVars(), SCIPgetNSols(), SCIPgetNTotalVars(), SCIPgetNUpgrConss(), SCIPgetNVars(), SCIPgetProbData(), SCIPgetSols(), SCIPgetSolVarsData(), SCIPgetStage(), SCIPgetStatus(), SCIPgetVars(), SCIPgetVarsData(), SCIPinferBinvarCons(), SCIPinferBinvarProp(), SCIPinferVarLbCons(), SCIPinferVarLbProp(), SCIPinferVarUbCons(), SCIPinferVarUbProp(), SCIPisObjIntegral(), SCIPisTransformed(), SCIPlockVarCons(), SCIPparseVar(), SCIPpresolve(), SCIPprintBranchingStatistics(), SCIPprintLPSolutionQuality(), SCIPprintSolutionStatistics(), SCIPprintStage(), SCIPreleaseCons(), SCIPreleaseVar(), SCIPsetObjIntegral(), SCIPsetObjlimit(), SCIPsetProbData(), SCIPsolve(), SCIPsolveConcurrent(), SCIPstoreSolutionGap(), SCIPtightenVarLb(), SCIPtightenVarLbGlobal(), SCIPtightenVarUb(), SCIPtightenVarUbGlobal(), SCIPtransformProb(), SCIPtrySol(), SCIPtrySolFree(), SCIPunlockVarCons(), SCIPupdateLocalDualbound(), SCIPupdateLocalLowerbound(), and tightenBounds().
| SCIP* SCIP_Set::scip |
very ugly: pointer to scip main data structure for callback methods
Definition at line 63 of file struct_set.h.
Referenced by SCIPsetEnableOrDisablePluginClocks().
| SCIP_PARAMSET* SCIP_Set::paramset |
set of parameters
Definition at line 64 of file struct_set.h.
| BMS_BUFMEM* SCIP_Set::buffer |
memory buffers for short living temporary objects
Definition at line 65 of file struct_set.h.
| BMS_BUFMEM* SCIP_Set::cleanbuffer |
memory buffers for short living temporary objects init. to all zero
Definition at line 66 of file struct_set.h.
| SCIP_READER** SCIP_Set::readers |
file readers
Definition at line 67 of file struct_set.h.
Referenced by printProblem(), SCIPfreeProb(), SCIPgetReaders(), SCIPgetReadingTime(), SCIPreadProb(), and SCIPsetEnableOrDisablePluginClocks().
| SCIP_PRICER** SCIP_Set::pricers |
variable pricers
Definition at line 68 of file struct_set.h.
Referenced by SCIPfreeProb(), SCIPgetPricers(), SCIPprintPricerStatistics(), and SCIPsetEnableOrDisablePluginClocks().
| SCIP_CONSHDLR** SCIP_Set::conshdlrs |
constraint handlers (sorted by check priority)
Definition at line 69 of file struct_set.h.
Referenced by calcNonZeros(), checkSolOrig(), presolveRound(), SCIPgetConshdlrs(), SCIPpresolve(), SCIPprintConstraintStatistics(), SCIPprintConstraintTimingStatistics(), SCIPprintPresolverStatistics(), SCIPreadProb(), and SCIPtransformProb().
| SCIP_CONSHDLR** SCIP_Set::conshdlrs_sepa |
constraint handlers (sorted by separation priority)
Definition at line 70 of file struct_set.h.
| SCIP_CONSHDLR** SCIP_Set::conshdlrs_enfo |
constraint handlers (sorted by enforcement priority)
Definition at line 71 of file struct_set.h.
Referenced by SCIPgetDiveBoundChanges().
| SCIP_CONSHDLR** SCIP_Set::conshdlrs_include |
constraint handlers (sorted by inclusion order)
Definition at line 72 of file struct_set.h.
Referenced by SCIP_DECL_PARAMCHGD(), and SCIPsetEnableOrDisablePluginClocks().
| SCIP_CONFLICTHDLR** SCIP_Set::conflicthdlrs |
| SCIP_PRESOL** SCIP_Set::presols |
presolvers
Definition at line 74 of file struct_set.h.
Referenced by presolveRound(), SCIPgetPresols(), and SCIPprintPresolverStatistics().
| SCIP_RELAX** SCIP_Set::relaxs |
relaxators
Definition at line 75 of file struct_set.h.
Referenced by SCIPgetRelaxs(), and SCIPprintRelaxatorStatistics().
| SCIP_SEPA** SCIP_Set::sepas |
separators
Definition at line 76 of file struct_set.h.
Referenced by SCIPgetSepas(), and SCIPprintSeparatorStatistics().
| SCIP_PROP** SCIP_Set::props |
propagators
Definition at line 77 of file struct_set.h.
Referenced by SCIPgetProps(), SCIPprintPresolverStatistics(), and SCIPprintPropagatorStatistics().
| SCIP_PROP** SCIP_Set::props_presol |
propagators (sorted by presol priority)
Definition at line 78 of file struct_set.h.
Referenced by presolveRound().
| SCIP_HEUR** SCIP_Set::heurs |
primal heuristics
Definition at line 79 of file struct_set.h.
Referenced by SCIPgetHeurs(), and SCIPprintHeuristicStatistics().
| SCIP_COMPR** SCIP_Set::comprs |
tree compressions
Definition at line 80 of file struct_set.h.
Referenced by compressReoptTree(), SCIPgetComprs(), and SCIPprintCompressionStatistics().
| SCIP_EVENTHDLR** SCIP_Set::eventhdlrs |
| SCIP_NODESEL** SCIP_Set::nodesels |
| SCIP_NODESEL* SCIP_Set::nodesel |
currently used node selector, or NULL if invalid
Definition at line 83 of file struct_set.h.
| SCIP_BRANCHRULE** SCIP_Set::branchrules |
branching rules
Definition at line 84 of file struct_set.h.
Referenced by SCIPgetBranchrules(), and SCIPprintBranchruleStatistics().
| SCIP_DISP** SCIP_Set::disps |
| SCIP_TABLE** SCIP_Set::tables |
| SCIP_DIALOG** SCIP_Set::dialogs |
dialogs
Definition at line 87 of file struct_set.h.
| SCIP_NLPI** SCIP_Set::nlpis |
interfaces to NLP solvers
Definition at line 88 of file struct_set.h.
Referenced by SCIPgetNlpis(), and SCIPsetMessagehdlr().
| SCIP_CONCSOLVERTYPE** SCIP_Set::concsolvertypes |
concurrent solver types
Definition at line 89 of file struct_set.h.
Referenced by SCIPgetConcsolverTypes().
| SCIP_CONCSOLVER** SCIP_Set::concsolvers |
the concurrent solvers used for solving
Definition at line 90 of file struct_set.h.
Referenced by execConcsolver(), SCIPconcurrentSolve(), and SCIPgetConcurrentSolvers().
| SCIP_DEBUGSOLDATA* SCIP_Set::debugsoldata |
data for debug solutions
Definition at line 91 of file struct_set.h.
| SCIP_BANDITVTABLE** SCIP_Set::banditvtables |
virtual function tables for bandit algorithms
Definition at line 92 of file struct_set.h.
| char** SCIP_Set::extcodenames |
names of externals codes
Definition at line 93 of file struct_set.h.
Referenced by SCIPgetExternalCodeNames(), and SCIPprintExternalCodes().
| char** SCIP_Set::extcodedescs |
descriptions of external codes
Definition at line 94 of file struct_set.h.
Referenced by SCIPgetExternalCodeDescriptions(), and SCIPprintExternalCodes().
| int SCIP_Set::nreaders |
number of file readers
Definition at line 95 of file struct_set.h.
Referenced by printProblem(), SCIPfreeProb(), SCIPgetNReaders(), SCIPgetReadingTime(), SCIPreadProb(), and SCIPsetEnableOrDisablePluginClocks().
| int SCIP_Set::readerssize |
size of readers array
Definition at line 96 of file struct_set.h.
| int SCIP_Set::npricers |
number of variable pricers
Definition at line 97 of file struct_set.h.
Referenced by SCIPgetNPricers(), and SCIPsetEnableOrDisablePluginClocks().
| int SCIP_Set::nactivepricers |
number of variable pricers used in the current problem
Definition at line 98 of file struct_set.h.
Referenced by initSolve(), SCIPallVarsInProb(), SCIPfreeProb(), SCIPgetNActivePricers(), SCIPisObjIntegral(), and SCIPprintPricerStatistics().
| int SCIP_Set::pricerssize |
size of pricers array
Definition at line 99 of file struct_set.h.
| int SCIP_Set::nconshdlrs |
number of constraint handlers
Definition at line 100 of file struct_set.h.
Referenced by calcNonZeros(), checkSolOrig(), presolve(), presolveRound(), SCIPgetDiveBoundChanges(), SCIPgetNConshdlrs(), SCIPpresolve(), SCIPprintConstraintStatistics(), SCIPprintConstraintTimingStatistics(), SCIPprintPresolverStatistics(), SCIPreadProb(), and SCIPtransformProb().
| int SCIP_Set::conshdlrssize |
size of conshdlrs array
Definition at line 101 of file struct_set.h.
| int SCIP_Set::nconflicthdlrs |
number of conflict handlers
Definition at line 102 of file struct_set.h.
Referenced by analyzeStrongbranch(), and SCIPgetNConflicthdlrs().
| int SCIP_Set::conflicthdlrssize |
size of conflicthdlrs array
Definition at line 103 of file struct_set.h.
| int SCIP_Set::npresols |
number of presolvers
Definition at line 104 of file struct_set.h.
Referenced by presolve(), presolveRound(), SCIPgetNPresols(), and SCIPprintPresolverStatistics().
| int SCIP_Set::presolssize |
size of presols array
Definition at line 105 of file struct_set.h.
| int SCIP_Set::nrelaxs |
number of relaxators
Definition at line 106 of file struct_set.h.
Referenced by SCIPgetNRelaxs(), and SCIPprintRelaxatorStatistics().
| int SCIP_Set::relaxssize |
size of relaxs array
Definition at line 107 of file struct_set.h.
| int SCIP_Set::nsepas |
number of separators
Definition at line 108 of file struct_set.h.
Referenced by SCIPgetNSepas(), and SCIPprintSeparatorStatistics().
| int SCIP_Set::sepassize |
size of sepas array
Definition at line 109 of file struct_set.h.
| int SCIP_Set::nprops |
number of propagators
Definition at line 110 of file struct_set.h.
Referenced by presolve(), presolveRound(), SCIPgetNProps(), SCIPprintPresolverStatistics(), and SCIPprintPropagatorStatistics().
| int SCIP_Set::propssize |
size of props array
Definition at line 111 of file struct_set.h.
| int SCIP_Set::nheurs |
number of primal heuristics
Definition at line 112 of file struct_set.h.
Referenced by presolve(), presolveRound(), SCIPgetNHeurs(), and SCIPprintHeuristicStatistics().
| int SCIP_Set::heurssize |
size of heurs array
Definition at line 113 of file struct_set.h.
| int SCIP_Set::ncomprs |
number of tree compressions
Definition at line 114 of file struct_set.h.
Referenced by compressReoptTree(), SCIPgetNCompr(), and SCIPprintCompressionStatistics().
| int SCIP_Set::comprssize |
size of comprs array
Definition at line 115 of file struct_set.h.
| int SCIP_Set::neventhdlrs |
number of event handlers
Definition at line 116 of file struct_set.h.
Referenced by SCIPgetNEventhdlrs().
| int SCIP_Set::eventhdlrssize |
size of eventhdlrs array
Definition at line 117 of file struct_set.h.
| int SCIP_Set::nnodesels |
number of node selectors
Definition at line 118 of file struct_set.h.
Referenced by SCIPgetNNodesels().
| int SCIP_Set::nodeselssize |
size of nodesels array
Definition at line 119 of file struct_set.h.
| int SCIP_Set::nbranchrules |
number of branching rules
Definition at line 120 of file struct_set.h.
Referenced by SCIPgetNBranchrules(), and SCIPprintBranchruleStatistics().
| int SCIP_Set::branchrulessize |
size of branchrules array
Definition at line 121 of file struct_set.h.
| int SCIP_Set::ndisps |
number of display columns
Definition at line 122 of file struct_set.h.
Referenced by SCIPgetNDisps().
| int SCIP_Set::dispssize |
size of disps array
Definition at line 123 of file struct_set.h.
| int SCIP_Set::ntables |
number of statistics tables
Definition at line 124 of file struct_set.h.
Referenced by SCIPgetNTables().
| int SCIP_Set::tablessize |
size of tables array
Definition at line 125 of file struct_set.h.
| int SCIP_Set::ndialogs |
number of dialogs
Definition at line 126 of file struct_set.h.
| int SCIP_Set::dialogssize |
size of dialogs array
Definition at line 127 of file struct_set.h.
| int SCIP_Set::nnlpis |
number of NLPIs
Definition at line 128 of file struct_set.h.
Referenced by SCIPgetNNlpis(), and SCIPsetMessagehdlr().
| int SCIP_Set::nlpissize |
size of NLPIs array
Definition at line 129 of file struct_set.h.
| int SCIP_Set::nconcsolvertypes |
number of concurrent solver types
Definition at line 130 of file struct_set.h.
Referenced by SCIPgetNConcsolverTypes().
| int SCIP_Set::concsolvertypessize |
size of concurrent solver types array
Definition at line 131 of file struct_set.h.
| int SCIP_Set::nconcsolvers |
number of concurrent solvers used for solving
Definition at line 132 of file struct_set.h.
Referenced by SCIPconcurrentSolve(), SCIPfreeProb(), and SCIPgetNConcurrentSolvers().
| int SCIP_Set::concsolverssize |
size of concurrent solvers array
Definition at line 133 of file struct_set.h.
| int SCIP_Set::nextcodes |
number of external codes
Definition at line 134 of file struct_set.h.
Referenced by SCIPgetNExternalCodes(), and SCIPprintExternalCodes().
| int SCIP_Set::extcodessize |
size of external code arrays
Definition at line 135 of file struct_set.h.
| int SCIP_Set::nbanditvtables |
number of bandit algorithm virtual function tables
Definition at line 136 of file struct_set.h.
| int SCIP_Set::banditvtablessize |
size of banditvtables array
Definition at line 137 of file struct_set.h.
| SCIP_Bool SCIP_Set::pricerssorted |
are the pricers sorted by activity and priority?
Definition at line 138 of file struct_set.h.
| SCIP_Bool SCIP_Set::pricersnamesorted |
are the pricers sorted by name?
Definition at line 139 of file struct_set.h.
| SCIP_Bool SCIP_Set::conflicthdlrssorted |
are the conflict handlers sorted by priority?
Definition at line 140 of file struct_set.h.
| SCIP_Bool SCIP_Set::conflicthdlrsnamesorted |
are the conflict handlers sorted by name?
Definition at line 141 of file struct_set.h.
| SCIP_Bool SCIP_Set::presolssorted |
are the presolvers sorted by priority?
Definition at line 142 of file struct_set.h.
| SCIP_Bool SCIP_Set::presolsnamesorted |
are the presolvers sorted by name?
Definition at line 143 of file struct_set.h.
| SCIP_Bool SCIP_Set::relaxssorted |
are the relaxators sorted by priority?
Definition at line 144 of file struct_set.h.
| SCIP_Bool SCIP_Set::relaxsnamesorted |
are the relaxators sorted by name?
Definition at line 145 of file struct_set.h.
| SCIP_Bool SCIP_Set::sepassorted |
are the separators sorted by priority?
Definition at line 146 of file struct_set.h.
| SCIP_Bool SCIP_Set::sepasnamesorted |
are the separators sorted by name?
Definition at line 147 of file struct_set.h.
| SCIP_Bool SCIP_Set::propssorted |
are the propagators sorted by priority?
Definition at line 148 of file struct_set.h.
| SCIP_Bool SCIP_Set::propspresolsorted |
are the propagators in prop_presol sorted?
Definition at line 149 of file struct_set.h.
Referenced by presolveRound().
| SCIP_Bool SCIP_Set::propsnamesorted |
are the propagators sorted by name?
Definition at line 150 of file struct_set.h.
| SCIP_Bool SCIP_Set::heurssorted |
are the heuristics sorted by priority?
Definition at line 151 of file struct_set.h.
| SCIP_Bool SCIP_Set::heursnamesorted |
are the heuristics sorted by name?
Definition at line 152 of file struct_set.h.
| SCIP_Bool SCIP_Set::comprssorted |
are the compressions sorted by priority?
Definition at line 153 of file struct_set.h.
| SCIP_Bool SCIP_Set::comprsnamesorted |
are the compressions sorted by name?
Definition at line 154 of file struct_set.h.
| SCIP_Bool SCIP_Set::branchrulessorted |
are the branching rules sorted by priority?
Definition at line 155 of file struct_set.h.
| SCIP_Bool SCIP_Set::branchrulesnamesorted |
are the branching rules sorted by name?
Definition at line 156 of file struct_set.h.
| SCIP_Bool SCIP_Set::tablessorted |
are the tables sorted by position?
Definition at line 157 of file struct_set.h.
Referenced by SCIPprintStatistics().
| SCIP_Bool SCIP_Set::nlpissorted |
are the NLPIs sorted by priority?
Definition at line 158 of file struct_set.h.
| SCIP_Bool SCIP_Set::limitchanged |
marks whether any of the limit parameters was changed
Definition at line 159 of file struct_set.h.
| char SCIP_Set::branch_scorefunc |
branching score function ('s'um, 'p'roduct, 'q'uotient)
Definition at line 162 of file struct_set.h.
| char SCIP_Set::branch_firstsbchild |
child node to be regarded first during strong branching (only with propagation): 'u'p child, 'd'own child, 'h'istory-based, or 'a'utomatic
Definition at line 163 of file struct_set.h.
Referenced by SCIPgetVarStrongbranchWithPropagation().
| SCIP_Real SCIP_Set::branch_scorefac |
branching score factor to weigh downward and upward gain prediction in sum score function
Definition at line 164 of file struct_set.h.
| SCIP_Bool SCIP_Set::branch_preferbinary |
should branching on binary variables be preferred?
Definition at line 166 of file struct_set.h.
| SCIP_Real SCIP_Set::branch_clamp |
minimal fractional distance of branching point to a continuous variable' bounds; a value of 0.5 leads to branching always in the middle of a bounded domain
Definition at line 167 of file struct_set.h.
| char SCIP_Set::branch_lpgainnorm |
strategy for normalizing LP gain when updating pseudo costs of continuous variables
Definition at line 168 of file struct_set.h.
| SCIP_Bool SCIP_Set::branch_delaypscost |
whether to delay pseudo costs updates for continuous variables to after separation
Definition at line 169 of file struct_set.h.
| SCIP_Bool SCIP_Set::branch_divingpscost |
should pseudo costs be updated also in diving and probing mode?
Definition at line 170 of file struct_set.h.
Referenced by SCIPupdateVarPseudocost().
| SCIP_Bool SCIP_Set::branch_forceall |
should all strong branching children be regarded even if one is detected to be infeasible? (only with propagation)
Definition at line 171 of file struct_set.h.
Referenced by SCIPgetVarStrongbranchWithPropagation().
| SCIP_Bool SCIP_Set::branch_checksbsol |
should LP solutions during strong branching with propagation be checked for feasibility?
Definition at line 173 of file struct_set.h.
Referenced by performStrongbranchWithPropagation().
| SCIP_Bool SCIP_Set::branch_roundsbsol |
should LP solutions during strong branching with propagation be rounded? (only when checksbsol=TRUE)
Definition at line 174 of file struct_set.h.
Referenced by performStrongbranchWithPropagation().
| SCIP_Bool SCIP_Set::branch_sumadjustscore |
score adjustment near zero by adding epsilon (TRUE) or using maximum (FALSE)
Definition at line 175 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_maxvarsfac |
maximal fraction of variables involved in a conflict constraint
Definition at line 178 of file struct_set.h.
| int SCIP_Set::conf_minmaxvars |
minimal absolute maximum of variables involved in a conflict constraint
Definition at line 179 of file struct_set.h.
| int SCIP_Set::conf_maxlploops |
maximal number of LP resolving loops during conflict analysis (-1: no limit)
Definition at line 180 of file struct_set.h.
| int SCIP_Set::conf_lpiterations |
maximal number of LP iterations in each LP resolving loop (-1: no limit)
Definition at line 182 of file struct_set.h.
| int SCIP_Set::conf_fuiplevels |
number of depth levels up to which first UIP's are used in conflict analysis (-1: use All-FirstUIP rule)
Definition at line 184 of file struct_set.h.
| int SCIP_Set::conf_interconss |
maximal number of intermediate conflict constraints generated in conflict graph (-1: use every intermediate constraint)
Definition at line 186 of file struct_set.h.
| int SCIP_Set::conf_maxconss |
maximal number of conflict constraints accepted at an infeasible node (-1: use all generated conflict constraints)
Definition at line 188 of file struct_set.h.
| int SCIP_Set::conf_maxstoresize |
maximal size of conflict store
Definition at line 190 of file struct_set.h.
Referenced by SCIPprintConflictStatistics().
| int SCIP_Set::conf_reconvlevels |
number of depth levels up to which UIP reconvergence constraints are generated (-1: generate reconvergence constraints in all depth levels)
Definition at line 191 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_enable |
should conflict analysis be enabled?
Definition at line 193 of file struct_set.h.
Referenced by analyzeStrongbranch(), SCIPaddConflict(), and SCIPgetVarStrongbranchWithPropagation().
| SCIP_Bool SCIP_Set::conf_cleanbnddepend |
should conflicts related to an old cutoff bound be removed?
Definition at line 194 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_useprop |
should propagation conflict analysis be used? (uses conflict graph only)
Definition at line 195 of file struct_set.h.
| char SCIP_Set::conf_useinflp |
should infeasible LP conflict analysis be used? ('o'ff, 'c'onflict graph, 'd'ual ray, 'b'oth conflict graph and dual ray)
Definition at line 196 of file struct_set.h.
| char SCIP_Set::conf_useboundlp |
should bound exceeding LP conflict analysis be used? ('o'ff, 'c'onflict graph, 'd'ual ray, 'b'oth conflict graph and dual ray)
Definition at line 199 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_usesb |
should infeasible/bound exceeding strong branching conflict analysis be used?
Definition at line 202 of file struct_set.h.
Referenced by analyzeStrongbranch(), and SCIPgetVarStrongbranchWithPropagation().
| SCIP_Bool SCIP_Set::conf_usepseudo |
should pseudo solution conflict analysis be used?
Definition at line 204 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_prefinfproof |
prefer infeasibility proof to boundexceeding proof
Definition at line 205 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_preferbinary |
should binary conflicts be preferred?
Definition at line 206 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_allowlocal |
should conflict constraints be generated that are only valid locally?
Definition at line 207 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_settlelocal |
should conflict constraints be attached only to the local subtree where they can be useful?
Definition at line 208 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_repropagate |
should earlier nodes be repropagated in order to replace branching decisions by deductions?
Definition at line 210 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_keepreprop |
should constraints be kept for repropagation even if they are too long?
Definition at line 212 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_separate |
should the conflict constraints be separated?
Definition at line 213 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_dynamic |
should the conflict constraints be subject to aging?
Definition at line 214 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_removable |
should the conflict's relaxations be subject to LP aging and cleanup?
Definition at line 215 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_depthscorefac |
score factor for depth level in bound relaxation heuristic
Definition at line 216 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_proofscorefac |
score factor for contribution to infeasibility proof in bound relaxation heuristic
Definition at line 217 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_uplockscorefac |
score factor for number of up locks in bound relaxation heuristic
Definition at line 218 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_downlockscorefac |
score factor for number of down locks in bound relaxation heuristic
Definition at line 219 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_scorefac |
factor to decrease importance of variables' earlier conflict scores
Definition at line 220 of file struct_set.h.
| int SCIP_Set::conf_restartnum |
number of successful conflict analysis calls that trigger a restart (0: disable conflict restarts)
Definition at line 221 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_restartfac |
factor to increase restartnum with after each restart
Definition at line 223 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_ignorerelaxedbd |
should relaxed bounds be ignored?
Definition at line 224 of file struct_set.h.
| int SCIP_Set::conf_maxvarsdetectimpliedbounds |
maximal number of variables to try to detect global bound implications and shorten the whole conflict set (0: disabled )
Definition at line 225 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_fullshortenconflict |
try to shorten the whole conflict set or terminate early (depending on the 'maxvarsdetectimpliedbounds' parameter)
Definition at line 229 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_conflictweight |
the weight the VSIDS score is weight by updating the VSIDS for a variable if it is part of a conflict
Definition at line 232 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_conflictgraphweight |
the weight the VSIDS score is weight by updating the VSIDS for a variable if it is part of a conflict graph
Definition at line 235 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_weightsize |
weight of the size of a conflict used in score calculation
Definition at line 238 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_weightrepropdepth |
weight of the prepropagtion depth of a conflict used in score calculation
Definition at line 239 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_weightvaliddepth |
weight of the valid depth of a conflict used in score calculation
Definition at line 240 of file struct_set.h.
| SCIP_Bool SCIP_Set::conf_sepaaltproofs |
separate valid inequalities from dualray proofs
Definition at line 241 of file struct_set.h.
| SCIP_Real SCIP_Set::conf_minimprove |
minimal improvement of primal bound to remove conflicts depending on a previous incumbent.
Definition at line 242 of file struct_set.h.
| int SCIP_Set::cons_agelimit |
maximum age an unnecessary constraint can reach before it is deleted (0: dynamic, -1: disable aging)
Definition at line 247 of file struct_set.h.
| int SCIP_Set::cons_obsoleteage |
age of a constraint after which it is marked obsolete (0: dynamic, -1: disable obsoletion)
Definition at line 249 of file struct_set.h.
| SCIP_Bool SCIP_Set::cons_disableenfops |
should enforcement of pseudo solution be disabled?
Definition at line 251 of file struct_set.h.
| SCIP_VERBLEVEL SCIP_Set::disp_verblevel |
verbosity level of output
Definition at line 254 of file struct_set.h.
Referenced by compressReoptTree(), displayRelevantStats(), exitPresolve(), presolve(), presolveRound(), SCIPgetVerbLevel(), SCIPpermuteProb(), SCIPpresolve(), SCIPprintDisplayLine(), SCIPreadProb(), SCIPsolve(), SCIPtransformProb(), and SCIPverbMessage().
| int SCIP_Set::disp_width |
maximal number of characters in a node information line
Definition at line 255 of file struct_set.h.
| int SCIP_Set::disp_freq |
frequency for displaying node information lines
Definition at line 256 of file struct_set.h.
| int SCIP_Set::disp_headerfreq |
frequency for displaying header lines (every n'th node information line)
Definition at line 257 of file struct_set.h.
| SCIP_Bool SCIP_Set::disp_lpinfo |
should the LP solver display status messages?
Definition at line 258 of file struct_set.h.
| SCIP_Bool SCIP_Set::disp_allviols |
display all violations of the best solution after the solving process finished?
Definition at line 259 of file struct_set.h.
| SCIP_Bool SCIP_Set::history_valuebased |
should statistics be collected for variable domain value pairs?
Definition at line 262 of file struct_set.h.
| SCIP_Bool SCIP_Set::history_allowmerge |
should variable histories be merged from sub-SCIPs whenever possible?
Definition at line 263 of file struct_set.h.
Referenced by SCIPmergeVariableStatistics().
| SCIP_Bool SCIP_Set::history_allowtransfer |
should variable histories be transferred to initialize SCIP copies?
Definition at line 264 of file struct_set.h.
| SCIP_Real SCIP_Set::limit_time |
maximal time in seconds to run
Definition at line 267 of file struct_set.h.
| SCIP_Real SCIP_Set::limit_memory |
maximal memory usage in MB
Definition at line 268 of file struct_set.h.
Referenced by SCIPsolveConcurrent(), and SCIPtransformProb().
| SCIP_Real SCIP_Set::limit_gap |
solving stops, if the given gap is reached
Definition at line 269 of file struct_set.h.
| SCIP_Real SCIP_Set::limit_absgap |
solving stops, if the absolute difference between primal and dual bound reaches this value
Definition at line 270 of file struct_set.h.
| SCIP_Longint SCIP_Set::limit_nodes |
maximal number of nodes to process (-1: no limit)
Definition at line 272 of file struct_set.h.
| SCIP_Longint SCIP_Set::limit_totalnodes |
maximal number of total nodes (incl. restarts) to process (-1: no limit)
Definition at line 273 of file struct_set.h.
| SCIP_Longint SCIP_Set::limit_stallnodes |
solving stops, if the given number of nodes was processed since the last improvement of the primal solution value (-1: no limit)
Definition at line 274 of file struct_set.h.
| int SCIP_Set::limit_solutions |
solving stops, if the given number of solutions were found (-1: no limit)
Definition at line 276 of file struct_set.h.
| int SCIP_Set::limit_bestsol |
solving stops, if the given number of solution improvements were found (-1: no limit)
Definition at line 277 of file struct_set.h.
| int SCIP_Set::limit_maxsol |
maximal number of solutions to store in the solution storage
Definition at line 279 of file struct_set.h.
Referenced by prepareReoptimization().
| int SCIP_Set::limit_maxorigsol |
maximal number of solutions candidates to store in the solution storage of the original problem
Definition at line 280 of file struct_set.h.
Referenced by freeTransform().
| int SCIP_Set::limit_restarts |
solving stops, if the given number of restarts was triggered (-1: no limit)
Definition at line 281 of file struct_set.h.
| int SCIP_Set::limit_autorestartnodes |
nodes to trigger automatic restart
Definition at line 282 of file struct_set.h.
| SCIP_Bool SCIP_Set::istimelimitfinite |
is the time limit finite
Definition at line 284 of file struct_set.h.
| int SCIP_Set::lp_solvefreq |
frequency for solving LP at the nodes (-1: never; 0: only root LP)
Definition at line 287 of file struct_set.h.
| SCIP_Longint SCIP_Set::lp_iterlim |
iteration limit for each single LP solve; -1: no limit
Definition at line 288 of file struct_set.h.
| SCIP_Longint SCIP_Set::lp_rootiterlim |
iteration limit for initial root LP solve; -1: no limit
Definition at line 289 of file struct_set.h.
| int SCIP_Set::lp_solvedepth |
maximal depth for solving LP at the nodes (-1: no depth limit)
Definition at line 290 of file struct_set.h.
| char SCIP_Set::lp_initalgorithm |
LP algorithm for solving initial LP relaxations ('s'implex, 'b'arrier, barrier with 'c'rossover)
Definition at line 291 of file struct_set.h.
| char SCIP_Set::lp_resolvealgorithm |
LP algorithm for resolving LP relaxations if a starting basis exists ('s'implex, 'b'arrier, barrier with 'c'rossover)
Definition at line 293 of file struct_set.h.
| char SCIP_Set::lp_pricing |
LP pricing strategy ('a'uto, 'f'ull pricing, 's'teepest edge pricing, 'q'uickstart steepest edge pricing, 'd'evex pricing)
Definition at line 295 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_clearinitialprobinglp |
should lp state be cleared at the end of probing mode when LP was initially unsolved, e.g., when called right after presolving?
Definition at line 297 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_resolverestore |
should the LP be resolved to restore the state at start of diving (if FALSE we buffer the solution values)?
Definition at line 299 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_freesolvalbuffers |
should the buffers for storing LP solution values during diving be freed at end of diving?
Definition at line 301 of file struct_set.h.
| int SCIP_Set::lp_colagelimit |
maximum age a column can reach before it is deleted from the SCIP_LP (-1: don't delete columns due to aging)
Definition at line 303 of file struct_set.h.
| int SCIP_Set::lp_rowagelimit |
maximum age a row can reach before it is deleted from the LP (-1: don't delete rows due to aging)
Definition at line 305 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_cleanupcols |
should new non-basic columns be removed after LP solving?
Definition at line 307 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_cleanupcolsroot |
should new non-basic columns be removed after root LP solving?
Definition at line 308 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_cleanuprows |
should new basic rows be removed after LP solving?
Definition at line 309 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_cleanuprowsroot |
should new basic rows be removed after root LP solving?
Definition at line 310 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_checkstability |
should LP solver's return status be checked for stability?
Definition at line 311 of file struct_set.h.
| SCIP_Real SCIP_Set::lp_conditionlimit |
maximum condition number of LP basis counted as stable (-1.0: no check)
Definition at line 312 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_checkprimfeas |
should LP solutions be checked for primal feasibility, resolving LP when numerical troubles occur?
Definition at line 313 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_checkdualfeas |
should LP solutions be checked for dual feasibility, resolving LP when numerical troubles occur?
Definition at line 314 of file struct_set.h.
| int SCIP_Set::lp_fastmip |
which FASTMIP setting of LP solver should be used? 0: off, 1: medium, 2: full
Definition at line 315 of file struct_set.h.
| int SCIP_Set::lp_scaling |
LP scaling (0: none, 1: normal, 2: aggressive)
Definition at line 316 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_presolving |
should presolving of LP solver be used?
Definition at line 317 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_lexdualalgo |
should the lexicographic dual algorithm be used?
Definition at line 318 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_lexdualrootonly |
should the lexicographic dual algorithm be applied only at the root node
Definition at line 319 of file struct_set.h.
| int SCIP_Set::lp_lexdualmaxrounds |
maximum number of rounds in the lexicographic dual algorithm
Definition at line 320 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_lexdualbasic |
choose fractional basic variables in lexicographic dual algorithm
Definition at line 321 of file struct_set.h.
| SCIP_Bool SCIP_Set::lp_lexdualstalling |
turn on the lex dual algorithm only when stalling?
Definition at line 322 of file struct_set.h.
| int SCIP_Set::lp_disablecutoff |
disable the cutoff bound in the LP solver? (0: enabled, 1: disabled, 2: auto)
Definition at line 323 of file struct_set.h.
| SCIP_Real SCIP_Set::lp_rowrepswitch |
simplex algorithm shall use row representation of the basis if number of rows divided by number of columns exceeds this value
Definition at line 324 of file struct_set.h.
| int SCIP_Set::lp_threads |
number of threads used for solving the LP (0: automatic)
Definition at line 326 of file struct_set.h.
| SCIP_Real SCIP_Set::lp_resolveiterfac |
factor of average LP iterations that is used as LP iteration limit for LP resolve (-1: unlimited)
Definition at line 327 of file struct_set.h.
| int SCIP_Set::lp_resolveitermin |
minimum number of iterations that are allowed for LP resolve
Definition at line 329 of file struct_set.h.
| int SCIP_Set::lp_solutionpolishing |
LP solution polishing method (0: disabled, 1: only root, 2: always, 3: auto)
Definition at line 330 of file struct_set.h.
| int SCIP_Set::lp_refactorinterval |
LP refactorization interval (0: automatic)
Definition at line 331 of file struct_set.h.
| SCIP_Bool SCIP_Set::nlp_disable |
should the NLP be disabled even if a constraint handler enabled it?
Definition at line 334 of file struct_set.h.
Referenced by initSolve().
| char* SCIP_Set::nlp_solver |
name of NLP solver to use
Definition at line 335 of file struct_set.h.
| SCIP_Real SCIP_Set::mem_savefac |
fraction of maximal memory usage resulting in switch to memory saving mode
Definition at line 338 of file struct_set.h.
| SCIP_Real SCIP_Set::mem_arraygrowfac |
memory growing factor for dynamically allocated arrays
Definition at line 339 of file struct_set.h.
Referenced by SCIPextendBoolarray(), SCIPextendIntarray(), SCIPextendPtrarray(), SCIPextendRealarray(), SCIPincIntarrayVal(), SCIPincRealarrayVal(), SCIPsetBoolarrayVal(), SCIPsetIntarrayVal(), SCIPsetPtrarrayVal(), and SCIPsetRealarrayVal().
| SCIP_Real SCIP_Set::mem_treegrowfac |
memory growing factor for tree array
Definition at line 340 of file struct_set.h.
| SCIP_Real SCIP_Set::mem_pathgrowfac |
memory growing factor for path array
Definition at line 341 of file struct_set.h.
| int SCIP_Set::mem_arraygrowinit |
initial size of dynamically allocated arrays
Definition at line 342 of file struct_set.h.
Referenced by SCIPextendBoolarray(), SCIPextendIntarray(), SCIPextendPtrarray(), SCIPextendRealarray(), SCIPincIntarrayVal(), SCIPincRealarrayVal(), SCIPsetBoolarrayVal(), SCIPsetIntarrayVal(), SCIPsetPtrarrayVal(), and SCIPsetRealarrayVal().
| int SCIP_Set::mem_treegrowinit |
initial size of tree array
Definition at line 343 of file struct_set.h.
| int SCIP_Set::mem_pathgrowinit |
initial size of path array
Definition at line 344 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_catchctrlc |
should the CTRL-C interrupt be caught by SCIP?
Definition at line 347 of file struct_set.h.
Referenced by SCIPpresolve(), and SCIPsolve().
| SCIP_Bool SCIP_Set::misc_usevartable |
should a hashtable be used to map from variable names to variables?
Definition at line 348 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_useconstable |
should a hashtable be used to map from constraint names to constraints?
Definition at line 349 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_usesmalltables |
should smaller hashtables be used? yields better performance for small problems with about 100 variables
Definition at line 350 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_exactsolve |
should the problem be solved exactly (with proven dual bounds)?
Definition at line 351 of file struct_set.h.
Referenced by SCIPcheckSol(), SCIPgetVarsStrongbranchesFrac(), SCIPgetVarsStrongbranchesInt(), SCIPgetVarStrongbranchFrac(), SCIPgetVarStrongbranchInt(), SCIPisExactSolve(), SCIPsolveDiveLP(), and solveProbingLP().
| SCIP_Bool SCIP_Set::misc_resetstat |
should the statistics be reset if the transformed problem is freed otherwise the statistics get reset after original problem is freed (in case of bender decomposition this parameter should be set to FALSE and therefore can be used to collect statistics over all runs)
Definition at line 352 of file struct_set.h.
Referenced by freeReoptSolve(), and freeTransform().
| SCIP_Bool SCIP_Set::misc_improvingsols |
should only solutions be checked which improve the primal bound
Definition at line 356 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_printreason |
should the reason be printed if a given start solution is infeasible?
Definition at line 357 of file struct_set.h.
Referenced by SCIPtransformProb().
| SCIP_Bool SCIP_Set::misc_estimexternmem |
should the usage of external memory be estimated?
Definition at line 358 of file struct_set.h.
Referenced by SCIPtransformProb().
| SCIP_Bool SCIP_Set::misc_transorigsols |
should SCIP try to transfer original solutions to the transformed space (after presolving)?
Definition at line 359 of file struct_set.h.
Referenced by initSolve().
| SCIP_Bool SCIP_Set::misc_transsolsorig |
should SCIP try to transfer transformed solutions to the original space (after solving)?
Definition at line 360 of file struct_set.h.
Referenced by freeTransform(), and SCIPfreeProb().
| SCIP_Bool SCIP_Set::misc_calcintegral |
should SCIP calculate the primal dual integral value which may require a large number of additional clock calls (and decrease the performance)?
Definition at line 361 of file struct_set.h.
Referenced by exitPresolve(), SCIPprintSolutionStatistics(), and SCIPstoreSolutionGap().
| SCIP_Bool SCIP_Set::misc_finitesolstore |
should SCIP try to remove infinite fixings from solutions copied to the solution store?
Definition at line 363 of file struct_set.h.
Referenced by freeTransform().
| SCIP_Bool SCIP_Set::misc_outputorigsol |
should the best solution be transformed to the orignal space and be output in command line run?
Definition at line 364 of file struct_set.h.
| SCIP_Bool SCIP_Set::misc_allowdualreds |
should dual reductions in propagation methods and presolver be allowed?
Definition at line 365 of file struct_set.h.
Referenced by freeTransform(), and SCIPallowDualReds().
| SCIP_Bool SCIP_Set::misc_allowobjprop |
should propagation to the current objective be allowed in propagation methods?
Definition at line 366 of file struct_set.h.
Referenced by SCIPallowObjProp().
| SCIP_Real SCIP_Set::misc_referencevalue |
objective value for reference purposes
Definition at line 367 of file struct_set.h.
| int SCIP_Set::misc_usesymmetry |
used symmetry handling technique (0: off; 1: polyhedral; 2: orbital fixing)
Definition at line 368 of file struct_set.h.
| char* SCIP_Set::misc_debugsol |
path to a debug solution
Definition at line 369 of file struct_set.h.
| int SCIP_Set::random_randomseedshift |
global shift of all random seeds in the plugins, this will have no impact on the permutation and LP seeds
Definition at line 372 of file struct_set.h.
| int SCIP_Set::random_permutationseed |
seed value for permuting the problem after reading/transformation (0: no permutation)
Definition at line 373 of file struct_set.h.
Referenced by SCIPreadProb(), and SCIPtransformProb().
| int SCIP_Set::random_randomseed |
random seed for LP solver, e.g. for perturbations in the simplex (0: LP default)
Definition at line 375 of file struct_set.h.
| SCIP_Bool SCIP_Set::random_permuteconss |
should order of constraints be permuted (depends on permutationseed)?
Definition at line 376 of file struct_set.h.
Referenced by SCIPreadProb(), and SCIPtransformProb().
| SCIP_Bool SCIP_Set::random_permutevars |
should order of variables be permuted (depends on permutationseed)?
Definition at line 377 of file struct_set.h.
Referenced by SCIPreadProb(), and SCIPtransformProb().
| char SCIP_Set::nodesel_childsel |
child selection rule ('d'own, 'u'p, 'p'seudo costs, 'i'nference, 'l'p value, 'r'oot LP value difference, 'h'brid inference/root LP value difference)
Definition at line 380 of file struct_set.h.
| SCIP_Real SCIP_Set::num_infinity |
values larger than this are considered infinity
Definition at line 384 of file struct_set.h.
| SCIP_Real SCIP_Set::num_epsilon |
absolute values smaller than this are considered zero
Definition at line 385 of file struct_set.h.
| SCIP_Real SCIP_Set::num_sumepsilon |
absolute values of sums smaller than this are considered zero
Definition at line 386 of file struct_set.h.
| SCIP_Real SCIP_Set::num_feastol |
feasibility tolerance for constraints
Definition at line 387 of file struct_set.h.
| SCIP_Real SCIP_Set::num_checkfeastolfac |
factor to change the feasibility tolerance when testing the best solution for feasibility (after solving process)
Definition at line 388 of file struct_set.h.
| SCIP_Real SCIP_Set::num_lpfeastol |
primal feasibility tolerance of LP solver (user parameter, see also num_relaxfeastol)
Definition at line 390 of file struct_set.h.
| SCIP_Real SCIP_Set::num_dualfeastol |
feasibility tolerance for reduced costs
Definition at line 391 of file struct_set.h.
| SCIP_Real SCIP_Set::num_barrierconvtol |
convergence tolerance used in barrier algorithm
Definition at line 392 of file struct_set.h.
| SCIP_Real SCIP_Set::num_boundstreps |
minimal improve for strengthening bounds
Definition at line 393 of file struct_set.h.
| SCIP_Real SCIP_Set::num_pseudocosteps |
minimal variable distance value to use for pseudo cost updates
Definition at line 394 of file struct_set.h.
| SCIP_Real SCIP_Set::num_pseudocostdelta |
minimal objective distance value to use for pseudo cost updates
Definition at line 395 of file struct_set.h.
| SCIP_Real SCIP_Set::num_recompfac |
minimal decrease factor that causes the recomputation of a value (e.g., pseudo objective) instead of an update
Definition at line 396 of file struct_set.h.
| SCIP_Real SCIP_Set::num_hugeval |
values larger than this are considered huge and should be handled separately (e.g., in activity computation)
Definition at line 398 of file struct_set.h.
| SCIP_Real SCIP_Set::num_relaxfeastol |
primal feasibility tolerance for relaxations (set by core or plugins, not a parameter)
Definition at line 400 of file struct_set.h.
| SCIP_Real SCIP_Set::presol_abortfac |
abort presolve, if l.t. this frac of the problem was changed in last round
Definition at line 403 of file struct_set.h.
Referenced by SCIPisPresolveFinished().
| int SCIP_Set::presol_maxrounds |
maximal number of presolving rounds (-1: unlimited)
Definition at line 404 of file struct_set.h.
Referenced by presolve(), and SCIPisPresolveFinished().
| int SCIP_Set::presol_maxrestarts |
maximal number of restarts (-1: unlimited)
Definition at line 405 of file struct_set.h.
| SCIP_Real SCIP_Set::presol_restartfac |
fraction of integer variables that were fixed in the root node triggering a restart with preprocessing after root node evaluation
Definition at line 406 of file struct_set.h.
| SCIP_Real SCIP_Set::presol_immrestartfac |
fraction of integer variables that were fixed in the root node triggering an immediate restart with preprocessing
Definition at line 408 of file struct_set.h.
| SCIP_Real SCIP_Set::presol_subrestartfac |
fraction of integer variables that were globally fixed during the solving process triggering a restart with preprocessing
Definition at line 410 of file struct_set.h.
| SCIP_Real SCIP_Set::presol_restartminred |
minimal fraction of integer variables removed after restart to allow for an additional restart
Definition at line 412 of file struct_set.h.
| SCIP_Bool SCIP_Set::presol_donotmultaggr |
should multi-aggregation of variables be forbidden?
Definition at line 414 of file struct_set.h.
Referenced by SCIPdoNotMultaggr(), and SCIPdoNotMultaggrVar().
| SCIP_Bool SCIP_Set::presol_donotaggr |
shouldaggregation of variables be forbidden?
Definition at line 415 of file struct_set.h.
Referenced by SCIPaggregateVars(), and SCIPdoNotAggr().
| SCIP_Real SCIP_Set::price_abortfac |
pricing is aborted, if fac * maxpricevars pricing candidates were found
Definition at line 418 of file struct_set.h.
| int SCIP_Set::price_maxvars |
maximal number of variables priced in per pricing round
Definition at line 419 of file struct_set.h.
| int SCIP_Set::price_maxvarsroot |
maximal number of priced variables at the root node
Definition at line 420 of file struct_set.h.
| SCIP_Bool SCIP_Set::price_delvars |
should variables created at the current node be deleted when the node is solved in case they are not present in the LP anymore?
Definition at line 421 of file struct_set.h.
| SCIP_Bool SCIP_Set::price_delvarsroot |
should variables created at the root node be deleted when the root is solved in case they are not present in the LP anymore?
Definition at line 423 of file struct_set.h.
| int SCIP_Set::prop_maxrounds |
maximal number of propagation rounds per node (-1: unlimited)
Definition at line 427 of file struct_set.h.
| int SCIP_Set::prop_maxroundsroot |
maximal number of propagation rounds in the root node (-1: unlimited)
Definition at line 428 of file struct_set.h.
| SCIP_Bool SCIP_Set::prop_abortoncutoff |
should propagation be aborted immediately? setting this to FALSE could help conflict analysis to produce more conflict constraints
Definition at line 429 of file struct_set.h.
| SCIP_Real SCIP_Set::reopt_objsimsol |
similarity of two objective functions to reuse stored solutions.
Definition at line 433 of file struct_set.h.
| SCIP_Real SCIP_Set::reopt_objsimrootlp |
similarity of two sequential objective function to disable solving the root LP.
Definition at line 434 of file struct_set.h.
| SCIP_Real SCIP_Set::reopt_objsimdelay |
minimum similarity for using reoptimization of the search tree.
Definition at line 437 of file struct_set.h.
| char SCIP_Set::reopt_varorderinterdiction |
Definition at line 438 of file struct_set.h.
| int SCIP_Set::reopt_forceheurrestart |
use the 'd'efault or a 'r'andom variable order for interdiction branching when applying the reoptimizationforce a restart if the last n optimal solutions were found by heuristic reoptsols
Definition at line 441 of file struct_set.h.
| int SCIP_Set::reopt_maxcutage |
maximal age of cuts to use them in reoptimization
Definition at line 444 of file struct_set.h.
| int SCIP_Set::reopt_maxdiffofnodes |
maximal number of bound changes between two stored nodes on one path
Definition at line 445 of file struct_set.h.
| int SCIP_Set::reopt_maxsavednodes |
maximal number of saved nodes
Definition at line 446 of file struct_set.h.
| int SCIP_Set::reopt_solvelp |
strategy for solving the LP at nodes from reoptimization
Definition at line 447 of file struct_set.h.
| int SCIP_Set::reopt_solvelpdiff |
maximal number of bound changes at node to skip solving the LP
Definition at line 448 of file struct_set.h.
| int SCIP_Set::reopt_savesols |
number of best solutions which should be saved for the following runs. (-1: save all)
Definition at line 449 of file struct_set.h.
Referenced by SCIPsolve().
| SCIP_Bool SCIP_Set::reopt_commontimelimit |
time limit over all reoptimization rounds?
Definition at line 452 of file struct_set.h.
Referenced by SCIPsolve().
| SCIP_Bool SCIP_Set::reopt_enable |
enable reoptimization
Definition at line 453 of file struct_set.h.
Referenced by displayRelevantStats(), freeReoptSolve(), freeTransform(), prepareReoptimization(), presolve(), SCIPaddCons(), SCIPaddReoptnodeBndchg(), SCIPallowDualReds(), SCIPallowObjProp(), SCIPcheckReoptRestart(), SCIPcreateProb(), SCIPdeleteReoptnode(), SCIPenableReoptimization(), SCIPfreeProb(), SCIPfreeTransform(), SCIPgetNReoptLeaves(), SCIPgetNReoptnodes(), SCIPgetReoptChildIDs(), SCIPgetReoptLastOptSol(), SCIPgetReoptLeaveIDs(), SCIPgetReoptnode(), SCIPgetReoptnodePath(), SCIPgetReoptSolsRun(), SCIPisReoptEnabled(), SCIPprintCompressionStatistics(), SCIPprintReoptStatistics(), SCIPreoptimizeNode(), SCIPresetReoptnodeDualcons(), SCIPresetReoptSolMarks(), SCIPsetObjlimit(), SCIPsetReoptCompression(), SCIPsolve(), SCIPsplitReoptRoot(), and SCIPtransformProb().
| SCIP_Bool SCIP_Set::reopt_reducetofrontier |
delete stored nodes which were not reoptimized
Definition at line 454 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_saveconsprop |
save constraint propagations
Definition at line 455 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_sbinit |
try to fix variables before reoptimizing by probing like strong branching
Definition at line 456 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_shrinkinner |
replace branched inner nodes by their child nodes, if the number of bound changes is not to large
Definition at line 459 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_sepaglbinfsubtrees |
save global constraints to separate infeasible subtrees
Definition at line 462 of file struct_set.h.
Referenced by prepareReoptimization().
| SCIP_Bool SCIP_Set::reopt_sepabestsol |
separate only the best solution, i.e., for constrained shortest path
Definition at line 463 of file struct_set.h.
Referenced by prepareReoptimization(), and SCIPsolve().
| SCIP_Bool SCIP_Set::reopt_storevarhistory |
use variable history of the previous solve if the objective function has changed only slightly
Definition at line 464 of file struct_set.h.
Referenced by SCIPsolve().
| SCIP_Bool SCIP_Set::reopt_usepscost |
reuse pseudo costs if the objective function changed only slightly
Definition at line 467 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_usecuts |
reoptimize cuts found at the root node
Definition at line 468 of file struct_set.h.
| SCIP_Bool SCIP_Set::reopt_usesplitcons |
use constraints to reconstruct the subtree pruned be dual reduction when reactivating the node
Definition at line 469 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_maxbounddist |
maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separation (0.0: only on current best node, 1.0: on all nodes)
Definition at line 474 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_maxlocalbounddist |
maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying local separation (0.0: only on current best node, 1.0: on all nodes)
Definition at line 477 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_maxcoefratio |
maximal ratio between coefficients in strongcg, cmir, and flowcover cuts
Definition at line 480 of file struct_set.h.
Referenced by cutTightenCoefs(), cutTightenCoefsQuad(), postprocessCut(), and postprocessCutQuad().
| SCIP_Real SCIP_Set::sepa_minefficacy |
minimal efficacy for a cut to enter the LP
Definition at line 481 of file struct_set.h.
Referenced by SCIPgetSepaMinEfficacy().
| SCIP_Real SCIP_Set::sepa_minefficacyroot |
minimal efficacy for a cut to enter the LP in the root node
Definition at line 482 of file struct_set.h.
Referenced by SCIPgetSepaMinEfficacy().
| SCIP_Real SCIP_Set::sepa_minortho |
minimal orthogonality for a cut to enter the LP
Definition at line 483 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_minorthoroot |
minimal orthogonality for a cut to enter the LP in the root node
Definition at line 484 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_objparalfac |
factor to scale objective parallelism of cut in separation score calc.
Definition at line 485 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_intsupportfac |
factor to scale integral support of cut in separation score calculation
Definition at line 486 of file struct_set.h.
| SCIP_Real SCIP_Set::sepa_minactivityquot |
minimum cut activity quotient to convert cuts into constraints during a restart (0.0: all cuts are converted)
Definition at line 487 of file struct_set.h.
Referenced by takeCut().
| char SCIP_Set::sepa_orthofunc |
function used for calc. scalar prod. in orthogonality test ('e'uclidean, 'd'iscrete)
Definition at line 489 of file struct_set.h.
| char SCIP_Set::sepa_efficacynorm |
row norm to use for efficacy calculation ('e'uclidean, 'm'aximum, 's'um, 'd'iscrete)
Definition at line 490 of file struct_set.h.
Referenced by calcEfficacyNormQuad(), and SCIPgetVectorEfficacyNorm().
| char SCIP_Set::sepa_cutselrestart |
cut selection during restart ('a'ge, activity 'q'uotient)
Definition at line 492 of file struct_set.h.
Referenced by copyCuts().
| char SCIP_Set::sepa_cutselsubscip |
cut selection for sub SCIPs ('a'ge, activity 'q'uotient)
Definition at line 493 of file struct_set.h.
Referenced by copyCuts().
| int SCIP_Set::sepa_maxruns |
maximal number of runs for which separation is enabled (-1: unlimited)
Definition at line 494 of file struct_set.h.
| int SCIP_Set::sepa_maxrounds |
maximal number of separation rounds per node (-1: unlimited)
Definition at line 495 of file struct_set.h.
| int SCIP_Set::sepa_maxroundsroot |
maximal number of separation rounds in the root node (-1: unlimited)
Definition at line 496 of file struct_set.h.
| int SCIP_Set::sepa_maxroundsrootsubrun |
maximal number of separation rounds in the root node of a subsequent run (-1: unlimited)
Definition at line 497 of file struct_set.h.
| int SCIP_Set::sepa_maxaddrounds |
maximal additional number of separation rounds in subsequent price-and-cut loops (-1: no additional restriction)
Definition at line 498 of file struct_set.h.
| int SCIP_Set::sepa_maxstallrounds |
maximal number of consecutive separation rounds without objective or integrality improvement (-1: no additional restriction)
Definition at line 500 of file struct_set.h.
| int SCIP_Set::sepa_maxstallroundsroot |
maximal number of consecutive separation rounds without objective or integrality improvement (-1: no additional restriction)
Definition at line 502 of file struct_set.h.
| int SCIP_Set::sepa_maxincrounds |
maximal number of consecutive separation rounds that increase the size of the LP relaxation per node (-1: unlimited)
Definition at line 504 of file struct_set.h.
| int SCIP_Set::sepa_maxcuts |
maximal number of cuts separated per separation round
Definition at line 505 of file struct_set.h.
| int SCIP_Set::sepa_maxcutsroot |
maximal number of separated cuts at the root node
Definition at line 506 of file struct_set.h.
| int SCIP_Set::sepa_cutagelimit |
maximum age a cut can reach before it is deleted from the global cut pool
Definition at line 507 of file struct_set.h.
Referenced by initSolve().
| int SCIP_Set::sepa_poolfreq |
separation frequency for the global cut pool
Definition at line 508 of file struct_set.h.
| int SCIP_Set::parallel_mode |
the mode for the parallel implementation. 0: opportunistic or 1: deterministic
Definition at line 511 of file struct_set.h.
Referenced by SCIPcreateConcurrent().
| int SCIP_Set::parallel_minnthreads |
the minimum number of threads used for parallel code
Definition at line 513 of file struct_set.h.
Referenced by SCIPsolveConcurrent().
| int SCIP_Set::parallel_maxnthreads |
the maximum number of threads used for parallel code
Definition at line 514 of file struct_set.h.
Referenced by SCIPsolveConcurrent().
| SCIP_Bool SCIP_Set::concurrent_changeseeds |
change the seeds in the different solvers?
Definition at line 517 of file struct_set.h.
Referenced by SCIPsolveConcurrent().
| SCIP_Bool SCIP_Set::concurrent_changechildsel |
change the child selection rule in different solvers?
Definition at line 518 of file struct_set.h.
| SCIP_Bool SCIP_Set::concurrent_commvarbnds |
should the concurrent solvers communicate global variable bound changes?
Definition at line 519 of file struct_set.h.
Referenced by SCIPcreateConcurrent().
| SCIP_Bool SCIP_Set::concurrent_presolvebefore |
should the problem be presolved before it is copied to the concurrent solvers?
Definition at line 520 of file struct_set.h.
Referenced by SCIPsolveConcurrent().
| int SCIP_Set::concurrent_initseed |
the seed for computing the concurrent solver seeds
Definition at line 521 of file struct_set.h.
Referenced by SCIPsolveConcurrent().
| SCIP_Real SCIP_Set::concurrent_freqinit |
initial frequency of synchronization
Definition at line 522 of file struct_set.h.
| SCIP_Real SCIP_Set::concurrent_freqmax |
maximal frequency of synchronization
Definition at line 523 of file struct_set.h.
| SCIP_Real SCIP_Set::concurrent_freqfactor |
factor by which the frequency of synchronization changes
Definition at line 524 of file struct_set.h.
| SCIP_Real SCIP_Set::concurrent_targetprogress |
when adapting the synchronization frequency this value is the targeted relative difference by which the absolute gap decreases per synchronization
Definition at line 525 of file struct_set.h.
| int SCIP_Set::concurrent_maxnsols |
maximum number of solutions that will get stored in one synchronization
Definition at line 527 of file struct_set.h.
| int SCIP_Set::concurrent_nbestsols |
number of best solutions that should be considered for synchronization
Definition at line 528 of file struct_set.h.
| int SCIP_Set::concurrent_maxnsyncdelay |
max number of synchronizations before data is used
Definition at line 529 of file struct_set.h.
| SCIP_Real SCIP_Set::concurrent_minsyncdelay |
min offset before synchronization data is used
Definition at line 530 of file struct_set.h.
| char* SCIP_Set::concurrent_paramsetprefix |
path prefix for parameter setting files of concurrent solver scip-custom
Definition at line 531 of file struct_set.h.
| SCIP_CLOCKTYPE SCIP_Set::time_clocktype |
default clock type to use
Definition at line 534 of file struct_set.h.
| SCIP_Bool SCIP_Set::time_enabled |
is timing enabled?
Definition at line 535 of file struct_set.h.
| SCIP_Bool SCIP_Set::time_reading |
belongs reading time to solving time?
Definition at line 536 of file struct_set.h.
Referenced by SCIPprintTimingStatistics(), and SCIPreadProb().
| SCIP_Bool SCIP_Set::time_rareclockcheck |
should clock checks of solving time be performed less frequently (might exceed time limit slightly)
Definition at line 537 of file struct_set.h.
| SCIP_Bool SCIP_Set::time_statistictiming |
should timing for statistic output be enabled?
Definition at line 538 of file struct_set.h.
Referenced by SCIPenableOrDisableStatisticTiming().
| SCIP_Bool SCIP_Set::compr_enable |
should automatic tree compression after presolving be enabled? (only for reoptimization)
Definition at line 541 of file struct_set.h.
Referenced by prepareReoptimization().
| SCIP_Real SCIP_Set::compr_time |
maximum time to run tree compression heuristics
Definition at line 542 of file struct_set.h.
| char* SCIP_Set::visual_vbcfilename |
name of the VBC tool output file, or - if no VBC output should be created
Definition at line 545 of file struct_set.h.
| char* SCIP_Set::visual_bakfilename |
name of the BAK tool output file, or - if no BAK output should be created
Definition at line 546 of file struct_set.h.
| SCIP_Bool SCIP_Set::visual_realtime |
should the real solving time be used instead of time step counter in visualization?
Definition at line 547 of file struct_set.h.
| SCIP_Bool SCIP_Set::visual_dispsols |
should the node where solutions are found be visualized?
Definition at line 548 of file struct_set.h.
| SCIP_Bool SCIP_Set::visual_objextern |
should be output the external value of the objective?
Definition at line 549 of file struct_set.h.
| SCIP_Bool SCIP_Set::read_initialconss |
should model constraints be marked as initial?
Definition at line 552 of file struct_set.h.
| SCIP_Bool SCIP_Set::read_dynamicconss |
should model constraints be subject to aging?
Definition at line 553 of file struct_set.h.
| SCIP_Bool SCIP_Set::read_dynamiccols |
should columns be added and removed dynamically to the LP?
Definition at line 554 of file struct_set.h.
| SCIP_Bool SCIP_Set::read_dynamicrows |
should rows be added and removed dynamically to the LP?
Definition at line 555 of file struct_set.h.
| SCIP_Bool SCIP_Set::write_allconss |
should all constraints be written (including the redundant constraints)?
Definition at line 558 of file struct_set.h.
| SCIP_Bool SCIP_Set::write_printzeros |
should variables set to zero be printed?
Definition at line 559 of file struct_set.h.
| int SCIP_Set::write_genoffset |
when writing the problem with generic names, we start with index 0; using this parameter we can change the starting index to be different
Definition at line 560 of file struct_set.h.