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SCIP Doxygen Documentation: Parameter

methods to create, query, and print user parameters

creates a SCIP_Bool parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter paramdata locally defined parameter specific data

Definition at line 57 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddBoolParam().

Referenced by alnsIncludeNeighborhood(), fromAmpl(), includeConshdlrCountsols(), tsp::ReaderTSP::ReaderTSP(), schedulerIncludeNeighborhood(), SCIPincludeBenderscutInt(), SCIPincludeBenderscutNogood(), SCIPincludeBenderscutOpt(), SCIPincludeBranchruleCloud(), SCIPincludeBranchruleDistribution(), SCIPincludeBranchruleFullstrong(), SCIPincludeBranchruleGomory(), SCIPincludeBranchruleInference(), SCIPincludeBranchruleLookahead(), SCIPincludeBranchruleMultAggr(), SCIPincludeBranchruleRelpscost(), SCIPincludeBranchruleStrongcoloring(), SCIPincludeBranchruleVanillafullstrong(), SCIPincludeComprWeakcompr(), SCIPincludeConshdlrAnd(), SCIPincludeConshdlrBenders(), SCIPincludeConshdlrBenderslp(), SCIPincludeConshdlrCardinality(), SCIPincludeConshdlrCumulative(), SCIPincludeConshdlrDisjunction(), SCIPincludeConshdlrFixedvar(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrKnapsack(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrLinking(), SCIPincludeConshdlrLogicor(), SCIPincludeConshdlrNonlinear(), SCIPincludeConshdlrOptcumulative(), SCIPincludeConshdlrOrbisack(), SCIPincludeConshdlrOrbitope(), SCIPincludeConshdlrPseudoboolean(), SCIPincludeConshdlrSetppc(), SCIPincludeConshdlrSOS1(), SCIPincludeConshdlrSuperindicator(), SCIPincludeConshdlrSymresack(), SCIPincludeConshdlrVarbound(), SCIPincludeConshdlrXor(), SCIPincludeConsUpgradeNonlinear(), SCIPincludeCutselEnsemble(), SCIPincludeEventHdlrBoundwriting(), SCIPincludeEventHdlrEstim(), SCIPincludeEventHdlrSolvingphase(), SCIPincludeExprhdlrPow(), SCIPincludeExprhdlrProduct(), SCIPincludeHeurAdaptivediving(), SCIPincludeHeurAlns(), SCIPincludeHeurBound(), SCIPincludeHeurClique(), SCIPincludeHeurCompletesol(), SCIPincludeHeurConflictdiving(), SCIPincludeHeurCrossover(), SCIPincludeHeurCycGreedy(), SCIPincludeHeurDins(), SCIPincludeHeurDps(), SCIPincludeHeurDualval(), SCIPincludeHeurFarkasdiving(), SCIPincludeHeurFeaspump(), SCIPincludeHeurGins(), SCIPincludeHeurIndicator(), SCIPincludeHeurIndicatordiving(), SCIPincludeHeurInit(), SCIPincludeHeurIntdiving(), SCIPincludeHeurLocalbranching(), SCIPincludeHeurLocks(), SCIPincludeHeurLpface(), SCIPincludeHeurMultistart(), SCIPincludeHeurMutation(), SCIPincludeHeurNlpdiving(), SCIPincludeHeurOctane(), SCIPincludeHeurOfins(), SCIPincludeHeurOneopt(), SCIPincludeHeurPADM(), SCIPincludeHeurProximity(), SCIPincludeHeurRandrounding(), SCIPincludeHeurRepair(), SCIPincludeHeurRins(), SCIPincludeHeurRounding(), SCIPincludeHeurScheduler(), SCIPincludeHeurShiftandpropagate(), SCIPincludeHeurSimplerounding(), SCIPincludeHeurSubNlp(), SCIPincludeHeurTrustregion(), SCIPincludeHeurTwoopt(), SCIPincludeHeurUndercover(), SCIPincludeHeurVbounds(), SCIPincludeHeurZeroobj(), SCIPincludeHeurZirounding(), SCIPincludeLinconsUpgrade(), SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrConcave(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrSoc(), SCIPincludeNodeselRestartdfs(), SCIPincludeNodeselUct(), SCIPincludePresolBoundshift(), SCIPincludePresolConvertinttobin(), SCIPincludePresolDomcol(), SCIPincludePresolDualcomp(), SCIPincludePresolDualinfer(), SCIPincludePresolDualsparsify(), SCIPincludePresolGateextraction(), SCIPincludePresolQPKKTref(), SCIPincludePresolSparsify(), SCIPincludePresolTworowbnd(), SCIPincludePricerColoring(), SCIPincludePropGenvbounds(), SCIPincludePropNlobbt(), SCIPincludePropObbt(), SCIPincludePropPseudoobj(), SCIPincludePropRedcost(), SCIPincludePropRootredcost(), SCIPincludePropSymmetry(), SCIPincludePropVbounds(), SCIPincludeReaderBnd(), SCIPincludeReaderCip(), SCIPincludeReaderCmin(), SCIPincludeReaderCnf(), SCIPincludeReaderCyc(), SCIPincludeReaderGms(), SCIPincludeReaderLp(), SCIPincludeReaderMps(), SCIPincludeReaderOpb(), SCIPincludeReaderPbm(), SCIPincludeReaderPpm(), SCIPincludeReaderScflp(), SCIPincludeReaderSch(), SCIPincludeReaderSm(), SCIPincludeReaderSto(), SCIPincludeReaderZpl(), SCIPincludeSepaAggregation(), SCIPincludeSepaCGMIP(), SCIPincludeSepaClosecuts(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaImpliedbounds(), SCIPincludeSepaInterminor(), SCIPincludeSepaLagromory(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaMixing(), SCIPincludeSepaOddcycle(), SCIPincludeSepaRapidlearning(), SCIPincludeSepaRlt(), SCIPincludeSepaZerohalf(), SCIPnlhdlrCreate(), SCIPtreemodelInit(), solveClassification(), and solveMinIISC().

creates a int parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter minvalue minimum value for parameter maxvalue maximum value for parameter paramdata locally defined parameter specific data

Definition at line 83 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddIntParam().

Referenced by includeNeighborhoods(), SCIPincludeBranchruleCloud(), SCIPincludeBranchruleFullstrong(), SCIPincludeBranchruleGomory(), SCIPincludeBranchruleInference(), SCIPincludeBranchruleLookahead(), SCIPincludeBranchruleMultAggr(), SCIPincludeBranchrulePscost(), SCIPincludeBranchruleRandom(), SCIPincludeBranchruleRelpscost(), SCIPincludeBranchruleStrongcoloring(), SCIPincludeComprLargestrepr(), SCIPincludeConshdlrBenderslp(), SCIPincludeConshdlrCardinality(), SCIPincludeConshdlrComponents(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrKnapsack(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrNonlinear(), SCIPincludeConshdlrRpa(), SCIPincludeConshdlrSetppc(), SCIPincludeConshdlrSOS1(), SCIPincludeConshdlrSuperindicator(), SCIPincludeConshdlrXor(), SCIPincludeCutselDynamic(), SCIPincludeCutselEnsemble(), SCIPincludeEventHdlrEstim(), SCIPincludeExprhdlrPow(), SCIPincludeHeurAlns(), SCIPincludeHeurBound(), SCIPincludeHeurClique(), SCIPincludeHeurCompletesol(), SCIPincludeHeurConflictdiving(), SCIPincludeHeurCrossover(), SCIPincludeHeurDins(), SCIPincludeHeurDps(), SCIPincludeHeurDualval(), SCIPincludeHeurFeaspump(), SCIPincludeHeurFixandinfer(), SCIPincludeHeurGins(), SCIPincludeHeurIndicatordiving(), SCIPincludeHeurInit(), SCIPincludeHeurIntdiving(), SCIPincludeHeurLocalbranching(), SCIPincludeHeurLocks(), SCIPincludeHeurLpface(), SCIPincludeHeurMpec(), SCIPincludeHeurMultistart(), SCIPincludeHeurMutation(), SCIPincludeHeurNlpdiving(), SCIPincludeHeurObjpscostdiving(), SCIPincludeHeurOctane(), SCIPincludeHeurOptcumulative(), SCIPincludeHeurPADM(), SCIPincludeHeurRandrounding(), SCIPincludeHeurReoptsols(), SCIPincludeHeurRepair(), SCIPincludeHeurRins(), SCIPincludeHeurRootsoldiving(), SCIPincludeHeurRounding(), SCIPincludeHeurScheduler(), SCIPincludeHeurShiftandpropagate(), SCIPincludeHeurSubNlp(), SCIPincludeHeurTrustregion(), SCIPincludeHeurTwoopt(), SCIPincludeHeurUndercover(), SCIPincludeHeurVbounds(), SCIPincludeHeurZirounding(), SCIPincludeNlhdlrBilinear(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrSignomial(), SCIPincludeNlpi(), SCIPincludeNlpSolverIpopt(), SCIPincludeNodeselBfs(), SCIPincludeNodeselEstimate(), SCIPincludeNodeselHybridestim(), SCIPincludeNodeselRestartdfs(), SCIPincludeNodeselUct(), SCIPincludeOrbitopalReduction(), SCIPincludePresolDomcol(), SCIPincludePresolDualinfer(), SCIPincludePresolDualsparsify(), SCIPincludePresolGateextraction(), SCIPincludePresolSparsify(), SCIPincludePresolTworowbnd(), SCIPincludePricerColoring(), SCIPincludePricerRpa(), SCIPincludePropNlobbt(), SCIPincludePropObbt(), SCIPincludePropProbing(), SCIPincludePropPseudoobj(), SCIPincludePropSymmetry(), SCIPincludeReaderCmin(), SCIPincludeReaderPbm(), SCIPincludeReaderPpm(), SCIPincludeReaderRpa(), SCIPincludeReaderScflp(), SCIPincludeSepaAggregation(), SCIPincludeSepaCGMIP(), SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaConvexproj(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaGauge(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaInterminor(), SCIPincludeSepaLagromory(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaMixing(), SCIPincludeSepaOddcycle(), SCIPincludeSepaRapidlearning(), SCIPincludeSepaRlt(), SCIPincludeSepaZerohalf(), and SCIPtreemodelInit().

creates a SCIP_Longint parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter minvalue minimum value for parameter maxvalue maximum value for parameter paramdata locally defined parameter specific data

Definition at line 111 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddLongintParam().

Referenced by includeConshdlrCountsols(), SCIPincludeBranchruleFullstrong(), SCIPincludeBranchruleLookahead(), SCIPincludeBranchruleMultAggr(), SCIPincludeConshdlrComponents(), SCIPincludeConshdlrCumulative(), SCIPincludeConshdlrRpa(), SCIPincludeEventHdlrBoundwriting(), SCIPincludeEventHdlrEstim(), SCIPincludeEventHdlrSolvingphase(), SCIPincludeHeurAdaptivediving(), SCIPincludeHeurAlns(), SCIPincludeHeurClique(), SCIPincludeHeurCompletesol(), SCIPincludeHeurCrossover(), SCIPincludeHeurDins(), SCIPincludeHeurLocks(), SCIPincludeHeurLpface(), SCIPincludeHeurOfins(), SCIPincludeHeurOptcumulative(), SCIPincludeHeurPADM(), SCIPincludeHeurProximity(), SCIPincludeHeurScheduler(), SCIPincludeHeurUndercover(), SCIPincludeHeurVbounds(), SCIPincludeHeurZeroobj(), SCIPincludePresolBoundshift(), SCIPincludePresolConvertinttobin(), SCIPincludePricerRpa(), SCIPincludePropObbt(), SCIPincludeReaderRpa(), SCIPincludeSepaCGMIP(), SCIPincludeSepaRapidlearning(), solveClassification(), and solveMinIISC().

creates a SCIP_Real parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter minvalue minimum value for parameter maxvalue maximum value for parameter paramdata locally defined parameter specific data

Definition at line 139 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddRealParam().

Referenced by alnsIncludeNeighborhood(), includeNeighborhoods(), schedulerIncludeNeighborhood(), SCIPincludeBenderscutInt(), SCIPincludeBranchruleCloud(), SCIPincludeBranchruleGomory(), SCIPincludeBranchruleInference(), SCIPincludeBranchruleLookahead(), SCIPincludeBranchrulePscost(), SCIPincludeBranchruleRelpscost(), SCIPincludeConshdlrBounddisjunction(), SCIPincludeConshdlrCardinality(), SCIPincludeConshdlrComponents(), SCIPincludeConshdlrIndicator(), SCIPincludeConshdlrKnapsack(), SCIPincludeConshdlrLinear(), SCIPincludeConshdlrNonlinear(), SCIPincludeConshdlrOrbisack(), SCIPincludeConshdlrRpa(), SCIPincludeConshdlrSOS1(), SCIPincludeConshdlrSuperindicator(), SCIPincludeConshdlrVarbound(), SCIPincludeCutselDynamic(), SCIPincludeCutselEnsemble(), SCIPincludeCutselHybrid(), SCIPincludeEventHdlrEstim(), SCIPincludeEventHdlrSofttimelimit(), SCIPincludeEventHdlrSolvingphase(), SCIPincludeExprhdlrLog(), SCIPincludeExprhdlrPow(), SCIPincludeHeurAdaptivediving(), SCIPincludeHeurAlns(), SCIPincludeHeurClique(), SCIPincludeHeurCompletesol(), SCIPincludeHeurConflictdiving(), SCIPincludeHeurCrossover(), SCIPincludeHeurDins(), SCIPincludeHeurDps(), SCIPincludeHeurDualval(), SCIPincludeHeurFarkasdiving(), SCIPincludeHeurFeaspump(), SCIPincludeHeurGins(), SCIPincludeHeurIndicatordiving(), SCIPincludeHeurInit(), SCIPincludeHeurIntdiving(), SCIPincludeHeurLocalbranching(), SCIPincludeHeurLocks(), SCIPincludeHeurLpface(), SCIPincludeHeurMpec(), SCIPincludeHeurMultistart(), SCIPincludeHeurMutation(), SCIPincludeHeurNlpdiving(), SCIPincludeHeurObjpscostdiving(), SCIPincludeHeurOfins(), SCIPincludeHeurPADM(), SCIPincludeHeurProximity(), SCIPincludeHeurRedsize(), SCIPincludeHeurRepair(), SCIPincludeHeurRins(), SCIPincludeHeurRootsoldiving(), SCIPincludeHeurScheduler(), SCIPincludeHeurShiftandpropagate(), SCIPincludeHeurSubNlp(), SCIPincludeHeurTrustregion(), SCIPincludeHeurTwoopt(), SCIPincludeHeurUndercover(), SCIPincludeHeurVbounds(), SCIPincludeHeurZeroobj(), SCIPincludeHeurZirounding(), SCIPincludeNlhdlrConvex(), SCIPincludeNlhdlrPerspective(), SCIPincludeNlhdlrQuadratic(), SCIPincludeNlhdlrSignomial(), SCIPincludeNlhdlrSoc(), SCIPincludeNlpSolverIpopt(), SCIPincludeNodeselBfs(), SCIPincludeNodeselEstimate(), SCIPincludeNodeselHybridestim(), SCIPincludeNodeselUct(), SCIPincludePresolDualsparsify(), SCIPincludePresolSparsify(), SCIPincludePricerRpa(), SCIPincludePropNlobbt(), SCIPincludePropObbt(), SCIPincludePropPseudoobj(), SCIPincludePropSymmetry(), SCIPincludePropVbounds(), SCIPincludeReaderCyc(), SCIPincludeReaderGms(), SCIPincludeReaderRpa(), SCIPincludeSepaAggregation(), SCIPincludeSepaCGMIP(), SCIPincludeSepaClique(), SCIPincludeSepaClosecuts(), SCIPincludeSepaDisjunctive(), SCIPincludeSepaEccuts(), SCIPincludeSepaGMI(), SCIPincludeSepaGomory(), SCIPincludeSepaInterminor(), SCIPincludeSepaLagromory(), SCIPincludeSepaMcf(), SCIPincludeSepaMinor(), SCIPincludeSepaRapidlearning(), SCIPincludeSepaRlt(), SCIPincludeSepaZerohalf(), SCIPtreemodelInit(), solveClassification(), and solveMinIISC().

creates a char parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter allowedvalues array with possible parameter values, or NULL if not restricted paramdata locally defined parameter specific data

Definition at line 167 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddCharParam().

Referenced by SCIPincludeBranchruleDistribution(), SCIPincludeBranchruleLookahead(), SCIPincludeBranchrulePscost(), SCIPincludeConshdlrNonlinear(), SCIPincludeConshdlrSOS1(), SCIPincludeCutselDynamic(), SCIPincludeEventHdlrEstim(), SCIPincludeEventHdlrSolvingphase(), SCIPincludeHeurAdaptivediving(), SCIPincludeHeurAlns(), SCIPincludeHeurBound(), SCIPincludeHeurDistributiondiving(), SCIPincludeHeurFarkasdiving(), SCIPincludeHeurGins(), SCIPincludeHeurLpface(), SCIPincludeHeurNlpdiving(), SCIPincludeHeurScheduler(), SCIPincludeHeurShiftandpropagate(), SCIPincludeHeurUndercover(), SCIPincludePresolSparsify(), SCIPincludeReaderCyc(), SCIPincludeReaderGms(), and SCIPtreemodelInit().

creates a string(char*) parameter, sets it to its default value, and adds it to the parameter set

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter desc description of the parameter valueptr pointer to store the current parameter value, or NULL; if not NULL then *valueptr should be NULL isadvanced is this parameter an advanced parameter? defaultvalue default value of the parameter paramdata locally defined parameter specific data

Definition at line 194 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetAddStringParam().

Referenced by fromAmpl(), runShell(), SCIPincludeEventHdlrBoundwriting(), SCIPincludeEventHdlrEstim(), SCIPincludeEventHdlrSolvingphase(), SCIPincludeHeurAlns(), SCIPincludeHeurRepair(), SCIPincludeHeurUndercover(), SCIPincludeNlpSolverIpopt(), SCIPincludeReaderCmin(), SCIPincludeReaderSm(), and SCIPincludeReaderZpl().

gets the fixing status of an existing parameter

Returns

TRUE if the parameter is fixed to a value, otherwise FALSE.

Parameters

scip SCIP data structure name name of the parameter

Definition at line 219 of file scip_param.c.

References NULL, and SCIPsetIsParamFixed().

Referenced by applyRepair(), checkParameters(), createSubscip(), createSubSCIP(), doSolveSubMIP(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRESOLEXEC(), SCIPapplyRedSize(), SCIPcreateBendersDefault(), SCIPsetCommonSubscipParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), solveCoveringProblem(), solveSubproblem(), subscipSetParams(), wrapperDins(), and wrapperRins().

gets the value of an existing SCIP_Bool parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value pointer to store the parameter

Definition at line 250 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetGetBoolParam().

Referenced by applyRepair(), checkArraySizesHeur(), checkConsnames(), checkVarnames(), createAndAddAndCons(), createCipFormulation(), createVariable(), determineLimits(), disableConflictingDualReductions(), displayRelevantStats(), fromAmpl(), fromCommandLine(), getVariable(), mpsinputCreate(), printConformName(), readBounds(), readCnf(), readCols(), readConstraints(), readDecomposition(), readFile(), readMst(), readSol(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_CONCSOLVERCREATEINST(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXITSOL(), SCIP_DECL_EVENTINITSOL(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRESOLEXEC(), SCIP_DECL_READERREAD(), SCIP_DECL_SEPAEXECLP(), SCIPcomputeDecompStats(), SCIPcount(), SCIPnlpiOracleCreate(), SCIPreadLp(), SCIPreadPip(), SCIPreadProb(), SCIPsetCommonSubscipParams(), SCIPwriteGms(), selectVarRecursive(), setSubscipLimits(), solveSubscip(), storeOrigSubproblemParams(), and writeOpb().

gets the value of an existing int parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value pointer to store the parameter

Definition at line 269 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetGetIntParam().

Referenced by addRelaxation(), applyObbt(), checkParameters(), computeAutomorphisms(), createCipFormulation(), createMipFormulation(), getNSyncdata(), polishSolution(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PROPINITPRE(), SCIPapplyUndercover(), SCIPbendersComputeSubproblemLowerbound(), SCIPcomputeDecompStats(), SCIPcreateBendersDefault(), SCIPincludeHeurSync(), SCIPprobdataSetupProblem(), SCIPsyncstoreInit(), setupAndSolveSubscipRapidlearning(), storeOrigSubproblemParams(), SYMcheckGraphsAreIdentical(), SYMcomputeSymmetryGenerators(), and visualizeSolutionAscii().

gets the value of an existing SCIP_Real parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value pointer to store the parameter

Definition at line 307 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetGetRealParam().

Referenced by applyObbt(), applyOptcumulative(), applyRepair(), checkArraySizesGLS(), checkArraySizesHeur(), copyMemoryAndTimeLimits(), copySofttimelimit(), createProbOnlyEdge(), createProbQP(), createProbSimplified(), createProbSimplifiedTest(), createSubscip(), determineLimits(), displayRelevantStats(), doPricing(), doSeachEcAggr(), execRelpscost(), getCopyMemlimit(), getCopyTimelimit(), getTimeLeft(), initBounds(), printIndicatorCons(), reoptimize(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRICERREDCOST(), SCIP_DECL_SEPAEXECLP(), SCIPapplyUndercover(), SCIPbendersComputeSubproblemLowerbound(), SCIPprobdataEnumeratePatterns(), SCIPprobdataSetupProblem(), SCIPsolve(), SCIPsyncstoreInit(), SCIPvalidateSolve(), setAndUpdateCorePoint(), setSubscipLimits(), solveCumulative(), solveIndependentCons(), solveLagromoryLP(), solveLPWithHardCuts(), solveNlp(), solveSubNLP(), solveSubscip(), storeOrigSubproblemParams(), and verifyCircularPattern().

fixes the value of an existing parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Note

: Be careful with this method! Some general settings, e.g., the time or node limit, should not be fixed because they have to be changed for sub-SCIPs.

Parameters

scip SCIP data structure name name of the parameter

Definition at line 367 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIPsetChgParamFixed(), and TRUE.

Referenced by createSubscip(), fixOrUnfixRelevantParameters(), SCIP_DECL_CONCSOLVERCREATEINST(), and SCIPcreateBendersDefault().

unfixes the value of an existing parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter

Definition at line 385 of file scip_param.c.

References FALSE, NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetChgParamFixed().

Referenced by checkParameters(), fixOrUnfixRelevantParameters(), SCIP_DECL_CONCSOLVERCREATEINST(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_PRESOLEXEC(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), and solveSubproblem().

changes the value of an existing SCIP_Bool parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 429 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetBoolParam().

Referenced by addScenarioVarsAndConsToProb(), buildDecompProblem(), createSubscip(), createSubSCIP(), disableConflictingDualReductions(), doPricing(), doSolveSubMIP(), initConcsolver(), reoptimize(), resetOrigSubproblemParams(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_CONCSOLVERCREATEINST(), SCIP_DECL_CONCSOLVERINITSEEDS(), SCIP_DECL_CONSPRESOL(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_PRESOLEXEC(), SCIP_DECL_SEPAEXECLP(), SCIPapplyRedSize(), SCIPbendersApplyDecomposition(), SCIPbendersSolveSubproblemCIP(), SCIPcount(), SCIPprobdataCreate(), SCIPsetCommonSubscipParams(), setSubproblemParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), solveCoveringProblem(), solveIndependentCons(), solveSubproblem(), solveSubscip(), subscipSetParams(), wrapperDins(), wrapperRins(), and writeBounds().

changes the value of an existing int parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 487 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetIntParam().

Referenced by applyObbt(), applyRepair(), buildDecompProblem(), checkParameters(), componentCreateSubscip(), createSubproblems(), createSubscip(), createSubSCIP(), doPricing(), doSolveSubMIP(), execmain(), main(), polishSolution(), reoptimize(), resetOrigSubproblemParams(), runBenders(), runShell(), SCIP_DECL_CONCSOLVERCREATEINST(), SCIP_DECL_CONCSOLVERINITSEEDS(), SCIP_DECL_CONSPRESOL(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIP_DECL_HEURINIT(), SCIP_DECL_PRICERINITSOL(), SCIPapplyHeurDualval(), SCIPapplyProximity(), SCIPapplyRedSize(), SCIPbendersApplyDecomposition(), SCIPbendersComputeSubproblemLowerbound(), SCIPbendersSolveSubproblemCIP(), SCIPcopyLimits(), SCIPcreateBendersDefault(), SCIPprobdataCreate(), SCIPprocessShellArguments(), SCIPsetCommonSubscipParams(), SCIPsolveConcurrent(), SCIPverifyCircularPatternNLP(), searchEcAggrWithMIP(), setSubproblemParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveFiniteSolSubscip(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupAndSolveSubscipTrustregion(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), setupSubscipLpface(), solveCoveringProblem(), solveIndependentCons(), solvePricingMINLP(), solveSubproblem(), solveSubscip(), subscipSetParams(), wrapperDins(), wrapperRins(), and writeBounds().

checks whether the value of an existing int parameter is valid

checks whether parameter value of an existing int paramter is valid

Parameters

scip SCIP data structure param parameter value value to check

Definition at line 502 of file scip_param.c.

References NULL, and SCIPparamIsValidInt().

Referenced by SCIP_DECL_DIALOGEXEC().

changes the value of an existing SCIP_Longint parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 545 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetLongintParam().

Referenced by applyRepair(), createSubSCIP(), doSolveSubMIP(), reoptimize(), runBenders(), SCIP_DECL_BRANCHEXECLP(), SCIP_DECL_HEUREXEC(), SCIPapplyHeurDualval(), SCIPapplyProximity(), SCIPapplyRedSize(), SCIPbendersComputeSubproblemLowerbound(), SCIPcopyLimits(), SCIPsetCommonSubscipParams(), SCIPverifyCircularPatternNLP(), searchEcAggrWithMIP(), setLimits(), setSubscipLimits(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), solveCoveringProblem(), solvePricingMINLP(), solveSubNLP(), solveSubproblem(), solveSubscip(), wrapperDins(), wrapperRins(), and writeBounds().

changes the value of an existing SCIP_Real parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 603 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetRealParam().

Referenced by applyObbt(), applyRepair(), copyMemoryAndTimeLimits(), copySofttimelimit(), createSubscip(), createSubSCIP(), doPricing(), reoptimize(), resetOrigSubproblemParams(), runBenders(), runBrachistochrone(), runPacking(), SCIP_DECL_EVENTEXEC(), SCIP_DECL_HEUREXEC(), SCIPbendersComputeSubproblemLowerbound(), SCIPcopyLargeNeighborhoodSearch(), SCIPcopyLimits(), SCIPsolve(), SCIPverifyCircularPatternNLP(), searchEcAggrWithMIP(), setLimits(), setSubscipLimits(), setupAndSolveCumulativeSubscip(), setupAndSolveSubscipRapidlearning(), solveCoveringProblem(), solveIndependentCons(), solvePricingMINLP(), solveSubNLP(), solveSubproblem(), solveSubscip(), and subscipSetParams().

changes the value of an existing char parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 661 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetCharParam().

Referenced by doSolveSubMIP(), resetOrigSubproblemParams(), SCIPapplyRedSize(), SCIPsetCommonSubscipParams(), setChildSelRule(), setSubproblemParams(), setSubscipParameters(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupSubScip(), solveIndependentCons(), wrapperDins(), and wrapperRins().

changes the value of an existing string(char*) parameter

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter

Definition at line 719 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetStringParam().

changes the value of an existing parameter

The parameter type is checked and conversion of the given value to this type is attempted.

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure name name of the parameter value new value of the parameter as string

Definition at line 753 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetParam().

Referenced by fromAmpl().

writes a single parameter to a file

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure param parameter filename file name, or NULL for stdout comments should parameter descriptions be written as comments? onlychanged should only those parameters be written that are changed from their default value?

Definition at line 790 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPparamWrite().

sets parameters to

• SCIP_PARAMEMPHASIS_DEFAULT to use default values (see also SCIPresetParams())
• SCIP_PARAMEMPHASIS_COUNTER to get feasible and "fast" counting process
• SCIP_PARAMEMPHASIS_CPSOLVER to get CP like search (e.g. no LP relaxation)
• SCIP_PARAMEMPHASIS_EASYCIP to solve easy problems fast
• SCIP_PARAMEMPHASIS_FEASIBILITY to detect feasibility fast
• SCIP_PARAMEMPHASIS_HARDLP to be capable to handle hard LPs
• SCIP_PARAMEMPHASIS_OPTIMALITY to prove optimality fast
• SCIP_PARAMEMPHASIS_PHASEFEAS to find feasible solutions during a 3 phase solution process
• SCIP_PARAMEMPHASIS_PHASEIMPROVE to find improved solutions during a 3 phase solution process
• SCIP_PARAMEMPHASIS_PHASEPROOF to proof optimality during a 3 phase solution process
• SCIP_PARAMEMPHASIS_NUMERICS to solve problems which cause numerical issues

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure paramemphasis parameter settings quiet should the parameter be set quiet (no output)

Definition at line 882 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetEmphasis().

Referenced by adaptSolverBehavior(), changeEmphasisParameters(), SCIP_DECL_CONCSOLVERCREATEINST(), SCIP_DECL_DIALOGEXEC(), SCIPsetParamsCountsols(), SCIPverifyCircularPatternNLP(), setupAndSolveCumulativeSubscip(), setupAndSolveSubscipRapidlearning(), solveSubproblem(), and subscipSetParams().

sets parameters to deactivate separators and heuristics that use auxiliary SCIP instances; should be called for auxiliary SCIP instances to avoid recursion

Note

only deactivates plugins which could cause recursion, some plugins which use sub-SCIPs stay activated

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip (auxiliary) SCIP data structure quiet should the parameter be set quiet (no output)

Definition at line 904 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, and SCIPsetSetSubscipsOff().

Referenced by applyRepair(), createSubscip(), doSolveSubMIP(), reoptimize(), SCIP_DECL_HEUREXEC(), SCIPapplyRedSize(), SCIPsetCommonSubscipParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveCumulativeSubscip(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), solveCoveringProblem(), subscipSetParams(), wrapperDins(), and wrapperRins().

sets heuristic parameters values to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all heuristic parameters
• SCIP_PARAMSETTING_FAST such that the time spend for heuristic is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that the heuristic are called more aggregative
• SCIP_PARAMSETTING_OFF which turn off all heuristics

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

sets heuristic parameters values to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all heuristic parameters
• SCIP_PARAMSETTING_FAST such that the time spent on heuristics is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that the heuristics are called more aggressively
• SCIP_PARAMSETTING_OFF which turn off all heuristics

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure paramsetting parameter settings quiet should the parameter be set quiet (no output)

Definition at line 927 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIP_PARAMSETTING_AGGRESSIVE, SCIP_PARAMSETTING_DEFAULT, SCIP_PARAMSETTING_FAST, SCIP_PARAMSETTING_OFF, and SCIPsetSetHeuristics().

Referenced by SCIP_DECL_DIALOGEXEC(), searchEcAggrWithMIP(), setSubproblemParams(), setupAndSolveSubscipOneopt(), setupSCIPparamsFP2(), solvePricingMINLP(), and solveSubproblem().

sets presolving parameters to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all presolving parameters
• SCIP_PARAMSETTING_FAST such that the time spend for presolving is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that the presolving is more aggregative
• SCIP_PARAMSETTING_OFF which turn off all presolving

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

sets presolving parameters to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all presolving parameters
• SCIP_PARAMSETTING_FAST such that the time spent on presolving is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that the presolving is more aggressive
• SCIP_PARAMSETTING_OFF which turn off all presolving

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure paramsetting parameter settings quiet should the parameter be set quiet (no output)

Definition at line 953 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIP_PARAMSETTING_AGGRESSIVE, SCIP_PARAMSETTING_DEFAULT, SCIP_PARAMSETTING_FAST, SCIP_PARAMSETTING_OFF, and SCIPsetSetPresolving().

Referenced by buildDecompProblem(), createSubscip(), createSubSCIP(), doSolveSubMIP(), reoptimize(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIPapplyRedSize(), SCIPbendersApplyDecomposition(), SCIPsetCommonSubscipParams(), setSubproblemParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsFP2(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), solveCoveringProblem(), solveSubproblem(), subscipSetParams(), wrapperDins(), and wrapperRins().

sets separating parameters to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all separating parameters
• SCIP_PARAMSETTING_FAST such that the time spend for separating is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that the separating is done more aggregative
• SCIP_PARAMSETTING_OFF which turn off all separating

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

sets separating parameters to

• SCIP_PARAMSETTING_DEFAULT which are the default values of all separating parameters
• SCIP_PARAMSETTING_FAST such that the time spent on separating is decreased
• SCIP_PARAMSETTING_AGGRESSIVE such that separating is more aggressive
• SCIP_PARAMSETTING_OFF which turn off all separating

Returns

SCIP_OKAY is returned if everything worked. Otherwise a suitable error code is passed. See SCIP_RETCODE for a complete list of error codes.

Parameters

scip SCIP data structure paramsetting parameter settings quiet should the parameter be set quiet (no output)

Definition at line 979 of file scip_param.c.

References NULL, SCIP_CALL, SCIP_OKAY, SCIP_PARAMSETTING_AGGRESSIVE, SCIP_PARAMSETTING_DEFAULT, SCIP_PARAMSETTING_FAST, SCIP_PARAMSETTING_OFF, and SCIPsetSetSeparating().

Referenced by createSubscip(), doSolveSubMIP(), reoptimize(), runShell(), SCIP_DECL_DIALOGEXEC(), SCIP_DECL_HEUREXEC(), SCIPapplyRedSize(), SCIPsetCommonSubscipParams(), setSubscipParameters(), setupAndSolve(), setupAndSolveSubscip(), setupAndSolveSubscipCrossover(), setupAndSolveSubscipMutation(), setupAndSolveSubscipOneopt(), setupAndSolveSubscipRapidlearning(), setupSCIPparamsStage3(), setupSubproblem(), setupSubScip(), solveCoveringProblem(), subscipSetParams(), wrapperDins(), and wrapperRins().

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