Detailed Description

main problem to solve

Definition at line 38 of file struct_prob.h.

#include <struct_prob.h>

Public Member Functions
	SCIP_DECL_PROBCOPY ((*probcopy))

	SCIP_DECL_PROBDELORIG ((*probdelorig))

	SCIP_DECL_PROBTRANS ((*probtrans))

	SCIP_DECL_PROBDELTRANS ((*probdeltrans))

	SCIP_DECL_PROBINITSOL ((*probinitsol))

	SCIP_DECL_PROBEXITSOL ((*probexitsol))

Data Fields
SCIP_Real	objoffset

SCIP_Real	objscale

SCIP_Real	objlim

SCIP_Real	dualbound

char *	name

SCIP_PROBDATA *	probdata

SCIP_HASHTABLE *	varnames

SCIP_VAR **	vars

SCIP_VAR **	fixedvars

SCIP_VAR **	deletedvars

SCIP_HASHTABLE *	consnames

SCIP_CONS **	conss

int	varssize

int	nvars

int	nbinvars

int	nintvars

int	nimplvars

int	ncontvars

int	ncolvars

int	fixedvarssize

int	nfixedvars

int	deletedvarssize

int	ndeletedvars

int	nobjvars

int	consssize

int	nconss

int	maxnconss

int	startnvars

int	startnconss

SCIP_OBJSENSE	objsense

SCIP_Bool	objisintegral

SCIP_Bool	transformed

Member Function Documentation

SCIP_Prob::SCIP_DECL_PROBCOPY ( * probcopy )

copies user data if you want to copy it to a subscip, or NULL

SCIP_Prob::SCIP_DECL_PROBDELORIG ( * probdelorig )

frees user data of original problem

SCIP_Prob::SCIP_DECL_PROBTRANS ( * probtrans )

creates user data of transformed problem by transforming original user data

SCIP_Prob::SCIP_DECL_PROBDELTRANS ( * probdeltrans )

frees user data of transformed problem

SCIP_Prob::SCIP_DECL_PROBINITSOL ( * probinitsol )

solving process initialization method of transformed data

SCIP_Prob::SCIP_DECL_PROBEXITSOL ( * probexitsol )

solving process deinitialization method of transformed data

Field Documentation

SCIP_Real SCIP_Prob::objoffset

objective offset from bound shifting and fixing (fixed vars result)

Definition at line 40 of file struct_prob.h.

Referenced by SCIPaddOrigObjoffset(), SCIPgetOrigObjoffset(), SCIPgetTransObjoffset(), SCIPprobAddObjoffset(), SCIPprobCheckObjIntegral(), SCIPprobExternObjval(), SCIPprobGetObjoffset(), SCIPprobInternObjval(), SCIPprobScaleObj(), SCIPreaderWrite(), SCIPsolCreateOriginal(), and SCIPwriteMIP().

SCIP_Real SCIP_Prob::objscale

scalar applied to objective function; external objective value is extobj = objsense * objscale * (intobj + objoffset)

Definition at line 41 of file struct_prob.h.

Referenced by SCIPgetOrigObjscale(), SCIPgetTransObjscale(), SCIPpresolve(), SCIPprobExternObjval(), SCIPprobGetObjscale(), SCIPprobInternObjval(), SCIPprobScaleObj(), SCIPreaderWrite(), and SCIPwriteMIP().

SCIP_Real SCIP_Prob::objlim

objective limit as external value (original problem space)

Definition at line 43 of file struct_prob.h.

Referenced by SCIPprobGetObjlim(), SCIPprobSetObjlim(), and SCIPprobTransform().

SCIP_Real SCIP_Prob::dualbound

dual bound as external value (original problem space) which is given or update during presolving

Definition at line 44 of file struct_prob.h.

Referenced by exitPresolve(), getDualbound(), initSolve(), SCIPprobSetDualbound(), SCIPprobTransform(), and SCIPprobUpdateDualbound().

char* SCIP_Prob::name

problem name

Definition at line 45 of file struct_prob.h.

Referenced by SCIPprobGetName(), SCIPprobPrintStatistics(), SCIPprobSetName(), SCIPprobTransform(), and SCIPreaderWrite().

SCIP_PROBDATA* SCIP_Prob::probdata

user problem data set by the reader

Definition at line 52 of file struct_prob.h.

Referenced by SCIPprobCopy(), SCIPprobExitSolve(), SCIPprobGetData(), SCIPprobInitSolve(), SCIPprobSetData(), SCIPprobTransform(), and SCIPreaderWrite().

SCIP_HASHTABLE* SCIP_Prob::varnames

hash table storing variable's names

Definition at line 53 of file struct_prob.h.

Referenced by SCIPprobAddVarName(), SCIPprobFindVar(), and SCIPprobRemoveVarName().

SCIP_VAR** SCIP_Prob::vars

array with active variables ordered binary, integer, implicit, continuous

Definition at line 54 of file struct_prob.h.

Referenced by checkSolOrig(), cleanupMIRRow(), conflictAnalyzeLP(), conflictAnalyzeRemainingBdchgs(), focusnodeCleanupVars(), getMIRRowActivity(), initLP(), initSolve(), probEnsureVarsMem(), probInsertVar(), probRemoveVar(), recomputeGlbPseudoObjectiveValue(), recomputeLooseObjectiveValue(), recomputePseudoObjectiveValue(), roundMIRRow(), roundStrongCGRow(), SCIPbranchcandGetPseudoCands(), SCIPconflictAnalyzePseudo(), SCIPconflictInit(), SCIPendDive(), SCIPgetOrigVars(), SCIPgetOrigVarsData(), SCIPgetSolVarsData(), SCIPgetVars(), SCIPgetVarsData(), SCIPpricestoreAddProbVars(), SCIPprimalTransformSol(), SCIPprintBranchingStatistics(), SCIPprobCheckObjIntegral(), SCIPprobExitSolve(), SCIPprobGetNImplBinVars(), SCIPprobGetNObjVars(), SCIPprobGetVars(), SCIPprobInitSolve(), SCIPprobPrintPseudoSol(), SCIPprobResetBounds(), SCIPprobResortVars(), SCIPprobScaleObj(), SCIPprobStoreRootSol(), SCIPprobTransform(), SCIPprobUpdateBestRootSol(), SCIPreaderWrite(), SCIPsolCheck(), SCIPsolPrint(), SCIPsolPrintRay(), SCIPsolRecomputeObj(), SCIPsolRetransform(), SCIPsolRound(), SCIPsolsAreEqual(), SCIPsolUnlink(), SCIPsolUpdateVarsum(), SCIPwriteImplicationConflictGraph(), transformMIRRow(), transformStrongCGRow(), undoBdchgsDualfarkas(), undoBdchgsDualsol(), undoBdchgsProof(), and updatePrimalRay().

SCIP_VAR** SCIP_Prob::fixedvars

array with fixed and aggregated variables

Definition at line 55 of file struct_prob.h.

Referenced by probEnsureFixedvarsMem(), SCIPgetFixedVars(), SCIPprobVarChangedStatus(), SCIPreaderWrite(), SCIPsolPrint(), and SCIPsolPrintRay().

SCIP_VAR** SCIP_Prob::deletedvars

array to temporarily store deleted variables

Definition at line 56 of file struct_prob.h.

Referenced by probEnsureDeletedvarsMem(), SCIPprobDelVar(), and SCIPprobPerformVarDeletions().

SCIP_HASHTABLE* SCIP_Prob::consnames

hash table storing constraints' names

Definition at line 57 of file struct_prob.h.

Referenced by SCIPprobAddConsName(), SCIPprobFindCons(), and SCIPprobRemoveConsName().

SCIP_CONS** SCIP_Prob::conss

array with constraints of the problem

Definition at line 58 of file struct_prob.h.

Referenced by checkSolOrig(), printDualSol(), probEnsureConssMem(), SCIPgetConss(), SCIPgetOrigConss(), SCIPprintDualSol(), SCIPprobAddCons(), SCIPprobDelCons(), SCIPprobInitSolve(), SCIPprobTransform(), SCIPreaderWrite(), and SCIPreadProb().

int SCIP_Prob::varssize

available slots in vars array

Definition at line 59 of file struct_prob.h.

Referenced by probEnsureVarsMem(), and probInsertVar().

int SCIP_Prob::nvars

number of active variables in the problem (used slots in vars array)

Definition at line 60 of file struct_prob.h.

Referenced by checkSolOrig(), conflictAnalyzeLP(), conflictAnalyzeRemainingBdchgs(), conflictCalcMaxsize(), focusnodeCleanupVars(), initLP(), initPresolve(), initSolve(), probInsertVar(), probRemoveVar(), recomputeGlbPseudoObjectiveValue(), recomputeLooseObjectiveValue(), recomputePseudoObjectiveValue(), roundStrongCGRow(), SCIPconflictAnalyzePseudo(), SCIPconflictInit(), SCIPendDive(), SCIPgetAvgConflictScore(), SCIPgetAvgConflictScoreCurrentRun(), SCIPgetNOrigVars(), SCIPgetNVars(), SCIPgetOrigVarsData(), SCIPgetSolVarsData(), SCIPgetVarsData(), SCIPisPresolveFinished(), SCIPlpCalcMIR(), SCIPlpCalcStrongCG(), SCIPlpSolveAndEval(), SCIPlpSumRows(), SCIPpresolve(), SCIPpricerFarkas(), SCIPpricerRedcost(), SCIPpricestoreAddProbVars(), SCIPprimalTransformSol(), SCIPprintBranchingStatistics(), SCIPprintDualSol(), SCIPprobAddVar(), SCIPprobAllColsInLP(), SCIPprobCheckObjIntegral(), SCIPprobDelVar(), SCIPprobExitSolve(), SCIPprobGetNObjVars(), SCIPprobGetNVars(), SCIPprobInitSolve(), SCIPprobMarkNConss(), SCIPprobPrintPseudoSol(), SCIPprobPrintStatistics(), SCIPprobResetBounds(), SCIPprobResortVars(), SCIPprobScaleObj(), SCIPprobStoreRootSol(), SCIPprobTransform(), SCIPprobUpdateBestRootSol(), SCIPprobVarChangedStatus(), SCIPreaderWrite(), SCIPreadProb(), SCIPsolCheck(), SCIPsolPrint(), SCIPsolPrintRay(), SCIPsolRecomputeObj(), SCIPsolRetransform(), SCIPsolsAreEqual(), SCIPsolUnlink(), SCIPsolUpdateVarsum(), SCIPsolveCIP(), SCIPtransformProb(), solveNode(), sumMIRRow(), sumStrongCGRow(), transformMIRRow(), transformSols(), transformStrongCGRow(), undoBdchgsDualfarkas(), undoBdchgsDualsol(), undoBdchgsProof(), and updatePrimalRay().

int SCIP_Prob::nbinvars

int SCIP_Prob::nintvars

number of general integer variables

Definition at line 62 of file struct_prob.h.

Referenced by probInsertVar(), probRemoveVar(), SCIPbranchcandGetPseudoCands(), SCIPgetAvgPseudocostCount(), SCIPgetAvgPseudocostCountCurrentRun(), SCIPgetNIntVars(), SCIPgetNOrigIntVars(), SCIPgetOrigVarsData(), SCIPgetSolVarsData(), SCIPgetVarsData(), SCIPpresolve(), SCIPprobAddVar(), SCIPprobDelVar(), SCIPprobGetNImplBinVars(), SCIPprobGetNIntVars(), SCIPprobPrintStatistics(), SCIPprobResortVars(), SCIPreaderWrite(), SCIPreadProb(), SCIPsolRound(), and SCIPtransformProb().

int SCIP_Prob::nimplvars

number of implicit integer variables

Definition at line 63 of file struct_prob.h.

Referenced by probInsertVar(), probRemoveVar(), SCIPbranchcandGetPseudoCands(), SCIPgetNImplVars(), SCIPgetNOrigImplVars(), SCIPgetOrigVarsData(), SCIPgetSolVarsData(), SCIPgetVarsData(), SCIPpresolve(), SCIPprobAddVar(), SCIPprobDelVar(), SCIPprobGetNImplBinVars(), SCIPprobGetNImplVars(), SCIPprobPrintStatistics(), SCIPprobResortVars(), SCIPreaderWrite(), SCIPreadProb(), and SCIPtransformProb().

int SCIP_Prob::ncontvars

number of continuous variables

Definition at line 64 of file struct_prob.h.

Referenced by conflictCalcMaxsize(), probInsertVar(), probRemoveVar(), propAndSolve(), roundStrongCGRow(), SCIPgetNContVars(), SCIPgetNOrigContVars(), SCIPgetOrigVarsData(), SCIPgetSolVarsData(), SCIPgetVarsData(), SCIPpresolve(), SCIPprintDualSol(), SCIPprobAddVar(), SCIPprobDelVar(), SCIPprobGetNContVars(), SCIPprobPrintStatistics(), SCIPprobResortVars(), SCIPprobScaleObj(), SCIPreaderWrite(), SCIPreadProb(), SCIPsolveCIP(), SCIPtransformProb(), and solveNode().

int SCIP_Prob::ncolvars

number of variables with attached column information

Definition at line 65 of file struct_prob.h.

Referenced by priceAndCutLoop(), probInsertVar(), probRemoveVar(), SCIPpriceLoop(), SCIPpricestoreAddProbVars(), SCIPprobAllColsInLP(), SCIPprobExitSolve(), and SCIPprobVarChangedStatus().

int SCIP_Prob::fixedvarssize

available slots in fixedvars array

Definition at line 66 of file struct_prob.h.

Referenced by probEnsureFixedvarsMem().

int SCIP_Prob::nfixedvars

number of fixed and aggregated variables in the problem

Definition at line 67 of file struct_prob.h.

Referenced by SCIPgetNFixedVars(), SCIPprobResetBounds(), SCIPprobVarChangedStatus(), SCIPreaderWrite(), SCIPsolPrint(), and SCIPsolPrintRay().

int SCIP_Prob::deletedvarssize

available slots in deletedvars array

Definition at line 68 of file struct_prob.h.

Referenced by probEnsureDeletedvarsMem().

int SCIP_Prob::ndeletedvars

number of deleted variables in the problem

Definition at line 69 of file struct_prob.h.

Referenced by SCIPprobDelVar(), and SCIPprobPerformVarDeletions().

int SCIP_Prob::nobjvars

number of variables with a non-zero objective coefficient

Definition at line 70 of file struct_prob.h.

Referenced by SCIPprobGetNObjVars(), SCIPprobInitSolve(), and SCIPprobUpdateNObjVars().

int SCIP_Prob::consssize

available slots in conss array

Definition at line 71 of file struct_prob.h.

Referenced by probEnsureConssMem().

int SCIP_Prob::nconss

number of constraints in the problem (number of used slots in conss array)

Definition at line 72 of file struct_prob.h.

Referenced by checkSolOrig(), printDualSol(), SCIPgetNConss(), SCIPgetNOrigConss(), SCIPisPresolveFinished(), SCIPpresolve(), SCIPprintDualSol(), SCIPprobAddCons(), SCIPprobDelCons(), SCIPprobInitSolve(), SCIPprobMarkNConss(), SCIPreaderWrite(), SCIPreadProb(), and SCIPtransformProb().

int SCIP_Prob::maxnconss

maximum number of constraints existing at the same time

Definition at line 73 of file struct_prob.h.

Referenced by SCIPprobAddCons(), SCIPprobMarkNConss(), SCIPprobPrintStatistics(), and SCIPreaderWrite().

int SCIP_Prob::startnvars

number of variables existing when problem solving started

Definition at line 74 of file struct_prob.h.

Referenced by SCIPprobMarkNConss(), and SCIPreaderWrite().

int SCIP_Prob::startnconss

number of constraints existing when problem solving started

Definition at line 75 of file struct_prob.h.

Referenced by SCIPprobMarkNConss(), SCIPprobPrintStatistics(), and SCIPreaderWrite().

SCIP_OBJSENSE SCIP_Prob::objsense

objective sense of the original problem

Definition at line 76 of file struct_prob.h.

Referenced by SCIPgetObjsense(), SCIPprobExternObjval(), SCIPprobGetObjlim(), SCIPprobInternObjval(), SCIPprobPrintStatistics(), SCIPprobSetObjsense(), SCIPprobTransform(), SCIPprobUpdateDualbound(), SCIPreaderWrite(), SCIPtransformVar(), SCIPtransformVars(), and SCIPwriteMIP().

SCIP_Bool SCIP_Prob::objisintegral

is objective value always integral for feasible solutions?

Definition at line 77 of file struct_prob.h.

Referenced by SCIPprobCheckObjIntegral(), SCIPprobIsObjIntegral(), SCIPprobScaleObj(), SCIPprobSetObjIntegral(), and SCIPprobTransform().

SCIP_Bool SCIP_Prob::transformed

TRUE iff problem is the transformed problem

Definition at line 78 of file struct_prob.h.

Referenced by probInsertVar(), SCIPprobAddCons(), SCIPprobAddObjoffset(), SCIPprobAddVar(), SCIPprobDelCons(), SCIPprobDelVar(), SCIPprobExitSolve(), SCIPprobExternObjval(), SCIPprobGetNObjVars(), SCIPprobInitSolve(), SCIPprobInternObjval(), SCIPprobIsTransformed(), SCIPprobPerformVarDeletions(), SCIPprobPrintStatistics(), SCIPprobResetBounds(), SCIPprobStoreRootSol(), SCIPprobUpdateBestRootSol(), SCIPprobUpdateNObjVars(), SCIPreaderWrite(), SCIPsolPrint(), SCIPsolPrintRay(), SCIPsolRetransform(), and SCIPsolRound().

SCIP

Detailed Description

Public Member Functions

Data Fields

Member Function Documentation

Field Documentation