Attributes

Attributes API. More...

#include <xpress.hpp>

Public Member Functions
auto	getActiveNodes () const -> int
	Get the value for attribute `ActiveNodes`.

auto	getAlgorithm () const -> int
	Get the value for attribute `Algorithm`.

auto	getAttentionLevel () const -> double
	Get the value for attribute `AttentionLevel`.

auto	getAvailableMemory () const -> XPRSint64
	Get the value for attribute `AvailableMemory`.

auto	getBarAASize () const -> XPRSint64
	Get the value for attribute `BarAASize`.

auto	getBarCGap () const -> double
	Get the value for attribute `BarCGap`.

auto	getBarCondA () const -> double
	Get the value for attribute `BarCondA`.

auto	getBarCondD () const -> double
	Get the value for attribute `BarCondD`.

auto	getBarCrossover () const -> int
	Get the value for attribute `BarCrossover`.

auto	getBarDenseCol () const -> int
	Get the value for attribute `BarDenseCol`.

auto	getBarDualInf () const -> double
	Get the value for attribute `BarDualInf`.

auto	getBarDualObj () const -> double
	Get the value for attribute `BarDualObj`.

auto	getBarIter () const -> int
	Get the value for attribute `BarIter`.

auto	getBarLSize () const -> XPRSint64
	Get the value for attribute `BarLSize`.

auto	getBarPrimalInf () const -> double
	Get the value for attribute `BarPrimalInf`.

auto	getBarPrimalObj () const -> double
	Get the value for attribute `BarPrimalObj`.

auto	getBarSing () const -> int
	Get the value for attribute `BarSing`.

auto	getBarSingR () const -> int
	Get the value for attribute `BarSingR`.

auto	getBestBound () const -> double
	Get the value for attribute `BestBound`.

auto	getBoundName () const -> std::string
	Get the value for attribute `BoundName`.

auto	getBranchValue () const -> double
	Get the value for attribute `BranchValue`.

auto	getBranchVar () const -> int
	Get the value for attribute `BranchVar`.

auto	getCallbackCount_CutMgr () const -> int
	Get the value for attribute `CallbackCount_CutMgr`.

auto	getCallbackCount_OptNode () const -> int
	Get the value for attribute `CallbackCount_OptNode`.

auto	getChecksOnMaxCutTime () const -> int
	Get the value for attribute `ChecksOnMaxCutTime`.

auto	getChecksOnMaxTime () const -> int
	Get the value for attribute `ChecksOnMaxTime`.

auto	getCols () const -> int
	Get the value for attribute `Cols`.

auto	getComputeExecutions () const -> int
	Get the value for attribute `ComputeExecutions`.

auto	getConeElems () const -> int
	Get the value for attribute `ConeElems`.

auto	getCones () const -> int
	Get the value for attribute `Cones`.

auto	getCoresDetected () const -> int
	Get the value for attribute `CoresDetected`.

auto	getCoresPerCPUDetected () const -> int
	Get the value for attribute `CoresPerCPUDetected`.

auto	getCpiScaleFactor () const -> double
	Get the value for attribute `CpiScaleFactor`.

auto	getCPUsDetected () const -> int
	Get the value for attribute `CPUsDetected`.

auto	getCrossoverIter () const -> int
	Get the value for attribute `CrossoverIter`.

auto	getCurrentMemory () const -> XPRSint64
	Get the value for attribute `CurrentMemory`.

auto	getCurrentNode () const -> int
	Get the value for attribute `CurrentNode`.

auto	getCurrMipCutOff () const -> double
	Get the value for attribute `CurrMipCutOff`.

auto	getCuts () const -> int
	Get the value for attribute `Cuts`.

auto	getDualInfeas () const -> int
	Get the value for attribute `DualInfeas`.

auto	getElems () const -> XPRSint64
	Get the value for attribute `Elems`.

auto	getErrorCode () const -> int
	Get the value for attribute `ErrorCode`.

auto	getGenConCols () const -> XPRSint64
	Get the value for attribute `GenConCols`.

auto	getGenCons () const -> int
	Get the value for attribute `GenCons`.

auto	getGenConVals () const -> XPRSint64
	Get the value for attribute `GenConVals`.

auto	getGlobalBoundingboxApplied () const -> int
	Get the value for attribute `GlobalBoundingboxApplied`.

auto	getGlobalNlpInfeas () const -> int
	Get the value for attribute `GlobalNlpInfeas`.

auto	getIISSolStatus () const -> xpress::IISSolStatus
	Get the value for attribute `IISSolStatus`.

auto	getIndicators () const -> int
	Get the value for attribute `Indicators`.

auto	getInputCols () const -> int
	Get the value for attribute `InputCols`.

auto	getInputRows () const -> int
	Get the value for attribute `InputRows`.

auto	getLocalSolverSelected () const -> int
	Get the value for attribute `LocalSolverSelected`.

auto	getLpObjVal () const -> double
	Get the value for attribute `LpObjVal`.

auto	getLpStatus () const -> xpress::LPStatus
	Get the value for attribute `LpStatus`.

auto	getMatrixName () const -> std::string
	Get the value for attribute `MatrixName`.

auto	getMaxAbsDualInfeas () const -> double
	Get the value for attribute `MaxAbsDualInfeas`.

auto	getMaxAbsPrimalInfeas () const -> double
	Get the value for attribute `MaxAbsPrimalInfeas`.

auto	getMaxKappa () const -> double
	Get the value for attribute `MaxKappa`.

auto	getMaxMipInfeas () const -> double
	Get the value for attribute `MaxMipInfeas`.

auto	getMaxProbNameLength () const -> int
	Get the value for attribute `MaxProbNameLength`.

auto	getMaxRelDualInfeas () const -> double
	Get the value for attribute `MaxRelDualInfeas`.

auto	getMaxRelPrimalInfeas () const -> double
	Get the value for attribute `MaxRelPrimalInfeas`.

auto	getMemoryLimitDetected () const -> XPRSint64
	Get the value for attribute `MemoryLimitDetected`.

auto	getMipBestObjVal () const -> double
	Get the value for attribute `MipBestObjVal`.

auto	getMipEnts () const -> int
	Get the value for attribute `MipEnts`.

auto	getMipInfeas () const -> int
	Get the value for attribute `MipInfeas`.

auto	getMipObjVal () const -> double
	Get the value for attribute `MipObjVal`.

auto	getMipSolNode () const -> int
	Get the value for attribute `MipSolNode`.

auto	getMipSols () const -> int
	Get the value for attribute `MipSols`.

auto	getMipSolTime () const -> double
	Get the value for attribute `MipSolTime`.

auto	getMipStatus () const -> xpress::MIPStatus
	Get the value for attribute `MipStatus`.

auto	getMipThreadID () const -> int
	Get the value for attribute `MipThreadID`.

auto	getMseDiversitySum () const -> double
	Get the value for attribute `MseDiversitySum`.

auto	getMseMetric_Diversity () const -> int
	Get the value for attribute `MseMetric_Diversity`.

auto	getMseMetric_MipObject () const -> int
	Get the value for attribute `MseMetric_MipObject`.

auto	getMseMetric_ModObject () const -> int
	Get the value for attribute `MseMetric_ModObject`.

auto	getMseSolutions () const -> int
	Get the value for attribute `MseSolutions`.

auto	getMspPrb_FeasibleSols () const -> int
	Get the value for attribute `MspPrb_FeasibleSols`.

auto	getMspPrb_ValidSols () const -> int
	Get the value for attribute `MspPrb_ValidSols`.

auto	getMspSol_BitFieldsSys () const -> int
	Get the value for attribute `MspSol_BitFieldsSys`.

auto	getMspSol_Cols () const -> int
	Get the value for attribute `MspSol_Cols`.

auto	getMspSol_IsReProcessedUserSolution () const -> int
	Get the value for attribute `MspSol_IsReProcessedUserSolution`.

auto	getMspSol_IsUserSolution () const -> int
	Get the value for attribute `MspSol_IsUserSolution`.

auto	getMspSol_NonZeros () const -> int
	Get the value for attribute `MspSol_NonZeros`.

auto	getMspSolPrb_InfCnt_Mip () const -> int
	Get the value for attribute `MspSolPrb_InfCnt_Mip`.

auto	getMspSolPrb_InfCnt_Primal () const -> int
	Get the value for attribute `MspSolPrb_InfCnt_Primal`.

auto	getMspSolPrb_InfeasCount () const -> int
	Get the value for attribute `MspSolPrb_InfeasCount`.

auto	getMspSolPrb_InfSum_Mip () const -> double
	Get the value for attribute `MspSolPrb_InfSum_Mip`.

auto	getMspSolPrb_InfSum_Primal () const -> double
	Get the value for attribute `MspSolPrb_InfSum_Primal`.

auto	getMspSolPrb_Obj () const -> double
	Get the value for attribute `MspSolPrb_Obj`.

auto	getMspSolutions () const -> int
	Get the value for attribute `MspSolutions`.

auto	getNameLength () const -> int
	Get the value for attribute `NameLength`.

auto	getNlpEqualsColumn () const -> int
	Get the value for attribute `NlpEqualsColumn`.

auto	getNlpIfs () const -> int
	Get the value for attribute `NlpIfs`.

auto	getNlpImplicitVariables () const -> int
	Get the value for attribute `NlpImplicitVariables`.

auto	getNlpJobID () const -> int
	Get the value for attribute `NlpJobID`.

auto	getNlpKeepBestIter () const -> int
	Get the value for attribute `NlpKeepBestIter`.

auto	getNlpModelCols () const -> int
	Get the value for attribute `NlpModelCols`.

auto	getNlpModelRows () const -> int
	Get the value for attribute `NlpModelRows`.

auto	getNlpObjVal () const -> double
	Get the value for attribute `NlpObjVal`.

auto	getNlpOptTime () const -> double
	Get the value for attribute `NlpOptTime`.

auto	getNlpOriginalCols () const -> int
	Get the value for attribute `NlpOriginalCols`.

auto	getNlpOriginalRows () const -> int
	Get the value for attribute `NlpOriginalRows`.

auto	getNlpPresolveEliminations () const -> int
	Get the value for attribute `NlpPresolveEliminations`.

auto	getNlpStatus () const -> int
	Get the value for attribute `NlpStatus`.

auto	getNlpStopStatus () const -> int
	Get the value for attribute `NlpStopStatus`.

auto	getNlpUFs () const -> int
	Get the value for attribute `NlpUFs`.

auto	getNlpUseDerivatives () const -> int
	Get the value for attribute `NlpUseDerivatives`.

auto	getNlpUserFuncCalls () const -> int
	Get the value for attribute `NlpUserFuncCalls`.

auto	getNlpValidationIndex_A () const -> double
	Get the value for attribute `NlpValidationIndex_A`.

auto	getNlpValidationIndex_K () const -> double
	Get the value for attribute `NlpValidationIndex_K`.

auto	getNlpValidationIndex_R () const -> double
	Get the value for attribute `NlpValidationIndex_R`.

auto	getNlpVariables () const -> int
	Get the value for attribute `NlpVariables`.

auto	getNodeDepth () const -> int
	Get the value for attribute `NodeDepth`.

auto	getNodes () const -> int
	Get the value for attribute `Nodes`.

auto	getNonLinearConstraints () const -> int
	Get the value for attribute `NonLinearConstraints`.

auto	getNumIIS () const -> int
	Get the value for attribute `NumIIS`.

auto	getObjectives () const -> int
	Get the value for attribute `Objectives`.

auto	getObjName () const -> std::string
	Get the value for attribute `ObjName`.

auto	getObjRhs () const -> double
	Get the value for attribute `ObjRhs`.

auto	getOBJSense () const -> double
	Get the value for attribute `OBJSense`.

auto	getObjsToSolve () const -> int
	Get the value for attribute `ObjsToSolve`.

auto	getObjVal () const -> double
	Get the value for attribute `ObjVal`.

auto	getObservedPrimalIntegral () const -> double
	Get the value for attribute `ObservedPrimalIntegral`.

auto	getOptimizeTypeUsed () const -> xpress::OptimizeType
	Get the value for attribute `OptimizeTypeUsed`.

auto	getOriginalCols () const -> int
	Get the value for attribute `OriginalCols`.

auto	getOriginalGenconCols () const -> XPRSint64
	Get the value for attribute `OriginalGenconCols`.

auto	getOriginalGencons () const -> int
	Get the value for attribute `OriginalGencons`.

auto	getOriginalGenconVals () const -> XPRSint64
	Get the value for attribute `OriginalGenconVals`.

auto	getOriginalIndicators () const -> int
	Get the value for attribute `OriginalIndicators`.

auto	getOriginalMipEnts () const -> int
	Get the value for attribute `OriginalMipEnts`.

auto	getOriginalPwlpoints () const -> XPRSint64
	Get the value for attribute `OriginalPwlpoints`.

auto	getOriginalPwls () const -> int
	Get the value for attribute `OriginalPwls`.

auto	getOriginalQCElems () const -> int
	Get the value for attribute `OriginalQCElems`.

auto	getOriginalQConstraints () const -> int
	Get the value for attribute `OriginalQConstraints`.

auto	getOriginalQElems () const -> int
	Get the value for attribute `OriginalQElems`.

auto	getOriginalRows () const -> int
	Get the value for attribute `OriginalRows`.

auto	getOriginalSetMembers () const -> XPRSint64
	Get the value for attribute `OriginalSetMembers`.

auto	getOriginalSets () const -> int
	Get the value for attribute `OriginalSets`.

auto	getParentNode () const -> int
	Get the value for attribute `ParentNode`.

auto	getPeakMemory () const -> XPRSint64
	Get the value for attribute `PeakMemory`.

auto	getPeakTotalTreeMemoryUsage () const -> int
	Get the value for attribute `PeakTotalTreeMemoryUsage`.

auto	getPenaltyValue () const -> double
	Get the value for attribute `PenaltyValue`.

auto	getPhysicalCoresDetected () const -> int
	Get the value for attribute `PhysicalCoresDetected`.

auto	getPhysicalCoresPerCPUDetected () const -> int
	Get the value for attribute `PhysicalCoresPerCPUDetected`.

auto	getPredictedAttLevel () const -> double
	Get the value for attribute `PredictedAttLevel`.

auto	getPresolveIndex () const -> int
	Get the value for attribute `PresolveIndex`.

auto	getPresolveState () const -> int
	Get the value for attribute `PresolveState`.

auto	getPrimalDualIntegral () const -> double
	Get the value for attribute `PrimalDualIntegral`.

auto	getPrimalInfeas () const -> int
	Get the value for attribute `PrimalInfeas`.

auto	getPwlCons () const -> int
	Get the value for attribute `PwlCons`.

auto	getPwlPoints () const -> XPRSint64
	Get the value for attribute `PwlPoints`.

auto	getQCElems () const -> int
	Get the value for attribute `QCElems`.

auto	getQConstraints () const -> int
	Get the value for attribute `QConstraints`.

auto	getQElems () const -> int
	Get the value for attribute `QElems`.

auto	getRangeName () const -> std::string
	Get the value for attribute `RangeName`.

auto	getRestarts () const -> int
	Get the value for attribute `Restarts`.

auto	getRhsName () const -> std::string
	Get the value for attribute `RhsName`.

auto	getRows () const -> int
	Get the value for attribute `Rows`.

auto	getSetMembers () const -> XPRSint64
	Get the value for attribute `SetMembers`.

auto	getSets () const -> int
	Get the value for attribute `Sets`.

auto	getSimplexIter () const -> int
	Get the value for attribute `SimplexIter`.

auto	getSlpCoefficients () const -> int
	Get the value for attribute `SlpCoefficients`.

auto	getSlpCurrentDeltaCost () const -> double
	Get the value for attribute `SlpCurrentDeltaCost`.

auto	getSlpCurrentErrorCost () const -> double
	Get the value for attribute `SlpCurrentErrorCost`.

auto	getSlpDeltas () const -> int
	Get the value for attribute `SlpDeltas`.

auto	getSlpECFCount () const -> int
	Get the value for attribute `SlpECFCount`.

auto	getSlpErrorCosts () const -> double
	Get the value for attribute `SlpErrorCosts`.

auto	getSlpIter () const -> int
	Get the value for attribute `SlpIter`.

auto	getSlpMinusPenaltyErrors () const -> int
	Get the value for attribute `SlpMinusPenaltyErrors`.

auto	getSlpMipIter () const -> int
	Get the value for attribute `SlpMipIter`.

auto	getSlpMipNodes () const -> int
	Get the value for attribute `SlpMipNodes`.

auto	getSlpMipSols () const -> int
	Get the value for attribute `SlpMipSols`.

auto	getSlpNonConstantCoeffs () const -> int
	Get the value for attribute `SlpNonConstantCoeffs`.

auto	getSlpPenaltyDeltaColumn () const -> int
	Get the value for attribute `SlpPenaltyDeltaColumn`.

auto	getSlpPenaltyDeltaRow () const -> int
	Get the value for attribute `SlpPenaltyDeltaRow`.

auto	getSlpPenaltyDeltas () const -> int
	Get the value for attribute `SlpPenaltyDeltas`.

auto	getSlpPenaltyDeltaTotal () const -> double
	Get the value for attribute `SlpPenaltyDeltaTotal`.

auto	getSlpPenaltyDeltaValue () const -> double
	Get the value for attribute `SlpPenaltyDeltaValue`.

auto	getSlpPenaltyErrorColumn () const -> int
	Get the value for attribute `SlpPenaltyErrorColumn`.

auto	getSlpPenaltyErrorRow () const -> int
	Get the value for attribute `SlpPenaltyErrorRow`.

auto	getSlpPenaltyErrors () const -> int
	Get the value for attribute `SlpPenaltyErrors`.

auto	getSlpPenaltyErrorTotal () const -> double
	Get the value for attribute `SlpPenaltyErrorTotal`.

auto	getSlpPenaltyErrorValue () const -> double
	Get the value for attribute `SlpPenaltyErrorValue`.

auto	getSlpPlusPenaltyErrors () const -> int
	Get the value for attribute `SlpPlusPenaltyErrors`.

auto	getSlpSbxConverged () const -> int
	Get the value for attribute `SlpSbxConverged`.

auto	getSlpStatus () const -> int
	Get the value for attribute `SlpStatus`.

auto	getSlpTolSets () const -> int
	Get the value for attribute `SlpTolSets`.

auto	getSlpUCConstrainedCount () const -> int
	Get the value for attribute `SlpUCConstrainedCount`.

auto	getSlpUnConverged () const -> int
	Get the value for attribute `SlpUnConverged`.

auto	getSlpZeroesReset () const -> int
	Get the value for attribute `SlpZeroesReset`.

auto	getSlpZeroesRetained () const -> int
	Get the value for attribute `SlpZeroesRetained`.

auto	getSlpZeroesTotal () const -> int
	Get the value for attribute `SlpZeroesTotal`.

auto	getSolStatus () const -> xpress::SolStatus
	Get the value for attribute `SolStatus`.

auto	getSolvedObjs () const -> int
	Get the value for attribute `SolvedObjs`.

auto	getSolveStatus () const -> xpress::SolveStatus
	Get the value for attribute `SolveStatus`.

auto	getSpareCols () const -> int
	Get the value for attribute `SpareCols`.

auto	getSpareElems () const -> XPRSint64
	Get the value for attribute `SpareElems`.

auto	getSpareMipEnts () const -> int
	Get the value for attribute `SpareMipEnts`.

auto	getSpareRows () const -> int
	Get the value for attribute `SpareRows`.

auto	getSpareSetElems () const -> XPRSint64
	Get the value for attribute `SpareSetElems`.

auto	getSpareSets () const -> int
	Get the value for attribute `SpareSets`.

auto	getStopStatus () const -> int
	Get the value for attribute `StopStatus`.

auto	getSumPrimalInf () const -> double
	Get the value for attribute `SumPrimalInf`.

auto	getSystemMemory () const -> XPRSint64
	Get the value for attribute `SystemMemory`.

auto	getTime () const -> double
	Get the value for attribute `Time`.

auto	getTotalMemory () const -> XPRSint64
	Get the value for attribute `TotalMemory`.

auto	getTreeCompletion () const -> double
	Get the value for attribute `TreeCompletion`.

auto	getTreeFileSize () const -> int
	Get the value for attribute `TreeFileSize`.

auto	getTreeFileUsage () const -> int
	Get the value for attribute `TreeFileUsage`.

auto	getTreeMemoryUsage () const -> int
	Get the value for attribute `TreeMemoryUsage`.

auto	getTreeRestarts () const -> int
	Get the value for attribute `TreeRestarts`.

auto	getUUID () const -> std::string
	Get the value for attribute `UUID`.

auto	getXpressVersion () const -> std::string
	Get the value for attribute `XpressVersion`.

Detailed Description

Attributes API.

Member Function Documentation

getActiveNodes()

auto xpress::XPRSProblem::Attributes::getActiveNodes ( ) const -> int

inline

Get the value for attribute ActiveNodes.

Number of outstanding nodes.

Returns: The current value for ActiveNodes.

getAlgorithm()

auto xpress::XPRSProblem::Attributes::getAlgorithm ( ) const -> int

inline

Get the value for attribute Algorithm.

The algorithm the optimizer currently is running / was running just before completition.

Returns: The current value for Algorithm.

getAttentionLevel()

auto xpress::XPRSProblem::Attributes::getAttentionLevel ( ) const -> double

inline

Get the value for attribute AttentionLevel.

A measure between 0 and 1 for how numerically unstable the problem is. The attention level is based on a weighted combination of the number of basis condition numbers exceeding certain thresholds. It considers all nodes sampled by MIPKAPPAFREQ, with a setting of 1 being the most frequent sampling rate. The higher the attention level, the worse conditioned is the problem.

Returns: The current value for AttentionLevel.

getAvailableMemory()

auto xpress::XPRSProblem::Attributes::getAvailableMemory ( ) const -> XPRSint64

inline

Get the value for attribute AvailableMemory.

The amount of heap memory detected by Xpress as free.

Returns: The current value for AvailableMemory.

getBarAASize()

auto xpress::XPRSProblem::Attributes::getBarAASize ( ) const -> XPRSint64

inline

Get the value for attribute BarAASize.

Number of nonzeros in AA^T.

Returns: The current value for BarAASize.

getBarCGap()

auto xpress::XPRSProblem::Attributes::getBarCGap ( ) const -> double

inline

Get the value for attribute BarCGap.

Convergence criterion for the Newton barrier algorithm.

Returns: The current value for BarCGap.

getBarCondA()

auto xpress::XPRSProblem::Attributes::getBarCondA ( ) const -> double

inline

Get the value for attribute BarCondA.

Absolute condition measure calculated in the last iteration of the barrier algorithm.

Returns: The current value for BarCondA.

getBarCondD()

auto xpress::XPRSProblem::Attributes::getBarCondD ( ) const -> double

inline

Get the value for attribute BarCondD.

Condition measure calculated in the last iteration of the barrier algorithm.

Returns: The current value for BarCondD.

getBarCrossover()

auto xpress::XPRSProblem::Attributes::getBarCrossover ( ) const -> int

inline

Get the value for attribute BarCrossover.

Indicates whether or not the basis crossover phase has been entered.

Returns: The current value for BarCrossover.

getBarDenseCol()

auto xpress::XPRSProblem::Attributes::getBarDenseCol ( ) const -> int

inline

Get the value for attribute BarDenseCol.

Number of dense columns found in the matrix.

Returns: The current value for BarDenseCol.

getBarDualInf()

auto xpress::XPRSProblem::Attributes::getBarDualInf ( ) const -> double

inline

Get the value for attribute BarDualInf.

Sum of the dual infeasibilities for the Newton barrier algorithm.

Returns: The current value for BarDualInf.

getBarDualObj()

auto xpress::XPRSProblem::Attributes::getBarDualObj ( ) const -> double

inline

Get the value for attribute BarDualObj.

Dual objective value calculated by the Newton barrier algorithm.

Returns: The current value for BarDualObj.

getBarIter()

auto xpress::XPRSProblem::Attributes::getBarIter ( ) const -> int

inline

Get the value for attribute BarIter.

Number of Newton barrier iterations.

Returns: The current value for BarIter.

getBarLSize()

auto xpress::XPRSProblem::Attributes::getBarLSize ( ) const -> XPRSint64

inline

Get the value for attribute BarLSize.

Number of nonzeros in L resulting from the Cholesky factorization.

Returns: The current value for BarLSize.

getBarPrimalInf()

auto xpress::XPRSProblem::Attributes::getBarPrimalInf ( ) const -> double

inline

Get the value for attribute BarPrimalInf.

Sum of the primal infeasibilities for the Newton barrier algorithm.

Returns: The current value for BarPrimalInf.

getBarPrimalObj()

auto xpress::XPRSProblem::Attributes::getBarPrimalObj ( ) const -> double

inline

Get the value for attribute BarPrimalObj.

Primal objective value calculated by the Newton barrier algorithm.

Returns: The current value for BarPrimalObj.

getBarSing()

auto xpress::XPRSProblem::Attributes::getBarSing ( ) const -> int

inline

Get the value for attribute BarSing.

Number of linearly dependent binding constraints at the optimal barrier solution. These results in singularities in the Cholesky decomposition during the barrier that may cause numerical troubles. Larger dependence means more chance for numerical difficulties.

Returns: The current value for BarSing.

getBarSingR()

auto xpress::XPRSProblem::Attributes::getBarSingR ( ) const -> int

inline

Get the value for attribute BarSingR.

Regularized number of linearly dependent binding constraints at the optimal barrier solution. These results in singularities in the Cholesky decomposition during the barrier that may cause numerical troubles. Larger dependence means more chance for numerical difficulties.

Returns: The current value for BarSingR.

getBestBound()

auto xpress::XPRSProblem::Attributes::getBestBound ( ) const -> double

inline

Get the value for attribute BestBound.

Value of the best bound determined so far by the MIP search.

Returns: The current value for BestBound.

getBoundName()

auto xpress::XPRSProblem::Attributes::getBoundName ( ) const -> std::string

inline

Get the value for attribute BoundName.

Active bound name.

Returns: The current value for BoundName.

getBranchValue()

auto xpress::XPRSProblem::Attributes::getBranchValue ( ) const -> double

inline

Get the value for attribute BranchValue.

The value of the branching variable at a node of the Branch and Bound tree.

Returns: The current value for BranchValue.

getBranchVar()

auto xpress::XPRSProblem::Attributes::getBranchVar ( ) const -> int

inline

Get the value for attribute BranchVar.

The branching variable at a node of the Branch and Bound tree.

Returns: The current value for BranchVar.

getCallbackCount_CutMgr()

auto xpress::XPRSProblem::Attributes::getCallbackCount_CutMgr ( ) const -> int

inline

Get the value for attribute CallbackCount_CutMgr.

This attribute counts the number of times the cut manager callback set by XPRSaddcbcutmgr has been called for the current node, including the current callback call. The value of this attribute should only be used from within the cut manager callback.

Returns: The current value for CallbackCount_CutMgr.

getCallbackCount_OptNode()

auto xpress::XPRSProblem::Attributes::getCallbackCount_OptNode ( ) const -> int

inline

Get the value for attribute CallbackCount_OptNode.

This attribute counts the number of times the optimal node callback set by XPRSaddcboptnode has been called for the current node, including the current callback call. The value of this attribute should only be used from within the optimal node callback.

Returns: The current value for CallbackCount_OptNode.

getChecksOnMaxCutTime()

auto xpress::XPRSProblem::Attributes::getChecksOnMaxCutTime ( ) const -> int

inline

Get the value for attribute ChecksOnMaxCutTime.

This attribute is used to set the value of the MAXCHECKSONMAXCUTTIME control. Its value is the number of times the optimizer checked the MAXCUTTIME criterion during the last call to the optimization routine XPRSmipoptimize. If a run terminates cutting operations on the MAXCUTTIME criterion then the attribute is the negative of the number of times the optimizer checked the MAXCUTTIME criterion up to and including the check when the termination was activated. Note that the attribute is set to zero at the beginning of each call to an optimization routine.

Returns: The current value for ChecksOnMaxCutTime.

getChecksOnMaxTime()

auto xpress::XPRSProblem::Attributes::getChecksOnMaxTime ( ) const -> int

inline

Get the value for attribute ChecksOnMaxTime.

This attribute is used to set the value of the MAXCHECKSONMAXTIME control. Its value is the number of times the optimizer checked the MAXTIME criterion during the last call to the optimization routine XPRSmipoptimize. If a run terminates on the MAXTIME criterion then the attribute is the negative of the number of times the optimizer checked the MAXTIME criterion up to and including the check when the termination was activated. Note that the attribute is set to zero at the beginning of each call to an optimization routine.

Returns: The current value for ChecksOnMaxTime.

getCols()

auto xpress::XPRSProblem::Attributes::getCols ( ) const -> int

inline

Get the value for attribute Cols.

Number of columns (i.e. variables) in the matrix.

Returns: The current value for Cols.

getComputeExecutions()

auto xpress::XPRSProblem::Attributes::getComputeExecutions ( ) const -> int

inline

Get the value for attribute ComputeExecutions.

The number of solves executed on a compute server.

Returns: The current value for ComputeExecutions.

getConeElems()

auto xpress::XPRSProblem::Attributes::getConeElems ( ) const -> int

inline

Get the value for attribute ConeElems.

Number of second order cone coefficients in the problem.

Returns: The current value for ConeElems.

getCones()

auto xpress::XPRSProblem::Attributes::getCones ( ) const -> int

inline

Get the value for attribute Cones.

Number of second order and rotated second order cones in the problem.

Returns: The current value for Cones.

getCoresDetected()

auto xpress::XPRSProblem::Attributes::getCoresDetected ( ) const -> int

inline

Get the value for attribute CoresDetected.

Number of logical cores detected by the optimizer, which is the total number of threads the hardware can execute across all CPUs.

Returns: The current value for CoresDetected.

getCoresPerCPUDetected()

auto xpress::XPRSProblem::Attributes::getCoresPerCPUDetected ( ) const -> int

inline

Get the value for attribute CoresPerCPUDetected.

Number of logical cores per CPU unit detected by the optimizer, which is the number of threads each CPU can execute.

Returns: The current value for CoresPerCPUDetected.

getCpiScaleFactor()

auto xpress::XPRSProblem::Attributes::getCpiScaleFactor ( ) const -> double

inline

Get the value for attribute CpiScaleFactor.

scale factor from primal integral computation.

Returns: The current value for CpiScaleFactor.

getCPUsDetected()

auto xpress::XPRSProblem::Attributes::getCPUsDetected ( ) const -> int

inline

Get the value for attribute CPUsDetected.

Number of CPU units detected by the optimizer.

Returns: The current value for CPUsDetected.

getCrossoverIter()

auto xpress::XPRSProblem::Attributes::getCrossoverIter ( ) const -> int

inline

Get the value for attribute CrossoverIter.

Number of simplex iterations performed in crossover.

Returns: The current value for CrossoverIter.

getCurrentMemory()

auto xpress::XPRSProblem::Attributes::getCurrentMemory ( ) const -> XPRSint64

inline

Get the value for attribute CurrentMemory.

The amount of dynamically allocated heap memory by the problem being solved.

Returns: The current value for CurrentMemory.

getCurrentNode()

auto xpress::XPRSProblem::Attributes::getCurrentNode ( ) const -> int

inline

Get the value for attribute CurrentNode.

The unique identifier of the current node in the tree search.

Returns: The current value for CurrentNode.

getCurrMipCutOff()

auto xpress::XPRSProblem::Attributes::getCurrMipCutOff ( ) const -> double

inline

Get the value for attribute CurrMipCutOff.

The current MIP cut off.

Returns: The current value for CurrMipCutOff.

getCuts()

auto xpress::XPRSProblem::Attributes::getCuts ( ) const -> int

inline

Get the value for attribute Cuts.

Number of cuts being added to the matrix.

Returns: The current value for Cuts.

getDualInfeas()

auto xpress::XPRSProblem::Attributes::getDualInfeas ( ) const -> int

inline

Get the value for attribute DualInfeas.

Number of dual infeasibilities.

Returns: The current value for DualInfeas.

getElems()

auto xpress::XPRSProblem::Attributes::getElems ( ) const -> XPRSint64

inline

Get the value for attribute Elems.

Number of matrix nonzeros (elements).

Returns: The current value for Elems.

getErrorCode()

auto xpress::XPRSProblem::Attributes::getErrorCode ( ) const -> int

inline

Get the value for attribute ErrorCode.

The most recent Optimizer error number that occurred. This is useful to determine the precise error or warning that has occurred, after an Optimizer function has signalled an error by returning a non-zero value. The return value itself is not the error number. Refer to the section for a list of possible error numbers, the errors and warnings that they indicate, and advice on what they mean and how to resolve them. A short error message may be obtained using XPRSgetlasterror, and all messages may be intercepted using the user output callback function; see XPRSaddcbmessage.

Returns: The current value for ErrorCode.

getGenConCols()

auto xpress::XPRSProblem::Attributes::getGenConCols ( ) const -> XPRSint64

inline

Get the value for attribute GenConCols.

Number of input variables in general constraints (i.e. MIN/MAX/AND/OR/ABS constraints) in the problem.

Returns: The current value for GenConCols.

getGenCons()

auto xpress::XPRSProblem::Attributes::getGenCons ( ) const -> int

inline

Get the value for attribute GenCons.

The number of general constraints (i.e. MIN/MAX/AND/OR/ABS constraints) in the problem.

Returns: The current value for GenCons.

getGenConVals()

auto xpress::XPRSProblem::Attributes::getGenConVals ( ) const -> XPRSint64

inline

Get the value for attribute GenConVals.

Number of constant values in general constraints (MIN/MAX constraints) in the problem.

Returns: The current value for GenConVals.

getGlobalBoundingboxApplied()

auto xpress::XPRSProblem::Attributes::getGlobalBoundingboxApplied ( ) const -> int

inline

Get the value for attribute GlobalBoundingboxApplied.

Whether a bounding box equal to the absolute value of the GLOBALBOUNDINGBOX control was applied to the problem after the initial solve came back infeasible and if so, to which variables.

Returns: The current value for GlobalBoundingboxApplied.

getGlobalNlpInfeas()

auto xpress::XPRSProblem::Attributes::getGlobalNlpInfeas ( ) const -> int

inline

Get the value for attribute GlobalNlpInfeas.

Number of nonlinear infeasibilities at the current node of a global solve, measured as the number of violated atomic formulas.

Returns: The current value for GlobalNlpInfeas.

getIISSolStatus()

auto xpress::XPRSProblem::Attributes::getIISSolStatus ( ) const -> xpress::IISSolStatus

inline

Get the value for attribute IISSolStatus.

IIS solution status.

Returns: The current value for IISSolStatus.

getIndicators()

auto xpress::XPRSProblem::Attributes::getIndicators ( ) const -> int

inline

Get the value for attribute Indicators.

Number of indicator constrains in the problem.

Returns: The current value for Indicators.

getInputCols()

auto xpress::XPRSProblem::Attributes::getInputCols ( ) const -> int

inline

Get the value for attribute InputCols.

Number of columns (i.e. variables) in the original matrix before nonlinear reformulations.

Returns: The current value for InputCols.

getInputRows()

auto xpress::XPRSProblem::Attributes::getInputRows ( ) const -> int

inline

Get the value for attribute InputRows.

Number of rows (i.e. constraints) in the original matrix before nonlinear reformulations.

Returns: The current value for InputRows.

getLocalSolverSelected()

auto xpress::XPRSProblem::Attributes::getLocalSolverSelected ( ) const -> int

inline

Get the value for attribute LocalSolverSelected.

Returns: The current value for LocalSolverSelected.

getLpObjVal()

auto xpress::XPRSProblem::Attributes::getLpObjVal ( ) const -> double

inline

Get the value for attribute LpObjVal.

Value of the objective function of the last LP solved.

Returns: The current value for LpObjVal.

getLpStatus()

auto xpress::XPRSProblem::Attributes::getLpStatus ( ) const -> xpress::LPStatus

inline

Get the value for attribute LpStatus.

LP solution status.

Returns: The current value for LpStatus.

getMatrixName()

auto xpress::XPRSProblem::Attributes::getMatrixName ( ) const -> std::string

inline

Get the value for attribute MatrixName.

The matrix name.

Returns: The current value for MatrixName.

getMaxAbsDualInfeas()

auto xpress::XPRSProblem::Attributes::getMaxAbsDualInfeas ( ) const -> double

inline

Get the value for attribute MaxAbsDualInfeas.

Maximum calculated absolute dual infeasibility in the unscaled original problem.

Returns: The current value for MaxAbsDualInfeas.

getMaxAbsPrimalInfeas()

auto xpress::XPRSProblem::Attributes::getMaxAbsPrimalInfeas ( ) const -> double

inline

Get the value for attribute MaxAbsPrimalInfeas.

Maximum calculated absolute primal infeasibility in the unscaled original problem.

Returns: The current value for MaxAbsPrimalInfeas.

getMaxKappa()

auto xpress::XPRSProblem::Attributes::getMaxKappa ( ) const -> double

inline

Get the value for attribute MaxKappa.

Largest basis condition number (also known as kappa) calculated through all nodes sampled by MIPKAPPAFREQ.

Returns: The current value for MaxKappa.

getMaxMipInfeas()

auto xpress::XPRSProblem::Attributes::getMaxMipInfeas ( ) const -> double

inline

Get the value for attribute MaxMipInfeas.

Maximum integer fractionality in the solution.

Returns: The current value for MaxMipInfeas.

getMaxProbNameLength()

auto xpress::XPRSProblem::Attributes::getMaxProbNameLength ( ) const -> int

inline

Get the value for attribute MaxProbNameLength.

Maximum size of the problem name and also the maximum allowed length of the file or path string for any function that accepts such an argument (not including the null terminator).

Returns: The current value for MaxProbNameLength.

getMaxRelDualInfeas()

auto xpress::XPRSProblem::Attributes::getMaxRelDualInfeas ( ) const -> double

inline

Get the value for attribute MaxRelDualInfeas.

Maximum calculated relative dual infeasibility in the unscaled original problem.

Returns: The current value for MaxRelDualInfeas.

getMaxRelPrimalInfeas()

auto xpress::XPRSProblem::Attributes::getMaxRelPrimalInfeas ( ) const -> double

inline

Get the value for attribute MaxRelPrimalInfeas.

Maximum calculated relative primal infeasibility in the unscaled original problem.

Returns: The current value for MaxRelPrimalInfeas.

getMemoryLimitDetected()

auto xpress::XPRSProblem::Attributes::getMemoryLimitDetected ( ) const -> XPRSint64

inline

Get the value for attribute MemoryLimitDetected.

The detected amount of memory accessible to the solver process, in megabytes. This is the minimum of physical memory, virtual memory limitations, and detected container limitations (Linux only).

Returns: The current value for MemoryLimitDetected.

getMipBestObjVal()

auto xpress::XPRSProblem::Attributes::getMipBestObjVal ( ) const -> double

inline

Get the value for attribute MipBestObjVal.

Objective function value of the best integer solution found.

Returns: The current value for MipBestObjVal.

getMipEnts()

auto xpress::XPRSProblem::Attributes::getMipEnts ( ) const -> int

inline

Get the value for attribute MipEnts.

Number of MIP entities (i.e. binary, integer, semi-continuous, partial integer, and semi-continuous integer variables) but excluding the number of special ordered sets.

Returns: The current value for MipEnts.

getMipInfeas()

auto xpress::XPRSProblem::Attributes::getMipInfeas ( ) const -> int

inline

Get the value for attribute MipInfeas.

Number of integer infeasibilities, including violations of special ordered sets, at the current node.

Returns: The current value for MipInfeas.

getMipObjVal()

auto xpress::XPRSProblem::Attributes::getMipObjVal ( ) const -> double

inline

Get the value for attribute MipObjVal.

Objective function value of the last integer solution found.

Returns: The current value for MipObjVal.

getMipSolNode()

auto xpress::XPRSProblem::Attributes::getMipSolNode ( ) const -> int

inline

Get the value for attribute MipSolNode.

Node at which the last integer feasible solution was found.

Returns: The current value for MipSolNode.

getMipSols()

auto xpress::XPRSProblem::Attributes::getMipSols ( ) const -> int

inline

Get the value for attribute MipSols.

Number of integer solutions that have been found.

Returns: The current value for MipSols.

getMipSolTime()

auto xpress::XPRSProblem::Attributes::getMipSolTime ( ) const -> double

inline

Get the value for attribute MipSolTime.

Time at which the last integer feasible solution was found.

Returns: The current value for MipSolTime.

getMipStatus()

auto xpress::XPRSProblem::Attributes::getMipStatus ( ) const -> xpress::MIPStatus

inline

Get the value for attribute MipStatus.

(MIP) solution status.

Returns: The current value for MipStatus.

getMipThreadID()

auto xpress::XPRSProblem::Attributes::getMipThreadID ( ) const -> int

inline

Get the value for attribute MipThreadID.

The ID for the MIP thread.

Returns: The current value for MipThreadID.

getMseDiversitySum()

auto xpress::XPRSProblem::Attributes::getMseDiversitySum ( ) const -> double

inline

Get the value for attribute MseDiversitySum.

Returns: The current value for MseDiversitySum.

getMseMetric_Diversity()

auto xpress::XPRSProblem::Attributes::getMseMetric_Diversity ( ) const -> int

inline

Get the value for attribute MseMetric_Diversity.

Returns: The current value for MseMetric_Diversity.

getMseMetric_MipObject()

auto xpress::XPRSProblem::Attributes::getMseMetric_MipObject ( ) const -> int

inline

Get the value for attribute MseMetric_MipObject.

Returns: The current value for MseMetric_MipObject.

getMseMetric_ModObject()

auto xpress::XPRSProblem::Attributes::getMseMetric_ModObject ( ) const -> int

inline

Get the value for attribute MseMetric_ModObject.

Returns: The current value for MseMetric_ModObject.

getMseSolutions()

auto xpress::XPRSProblem::Attributes::getMseSolutions ( ) const -> int

inline

Get the value for attribute MseSolutions.

Returns: The current value for MseSolutions.

getMspPrb_FeasibleSols()

auto xpress::XPRSProblem::Attributes::getMspPrb_FeasibleSols ( ) const -> int

inline

Get the value for attribute MspPrb_FeasibleSols.

Returns: The current value for MspPrb_FeasibleSols.

getMspPrb_ValidSols()

auto xpress::XPRSProblem::Attributes::getMspPrb_ValidSols ( ) const -> int

inline

Get the value for attribute MspPrb_ValidSols.

Returns: The current value for MspPrb_ValidSols.

getMspSol_BitFieldsSys()

auto xpress::XPRSProblem::Attributes::getMspSol_BitFieldsSys ( ) const -> int

inline

Get the value for attribute MspSol_BitFieldsSys.

Returns: The current value for MspSol_BitFieldsSys.

getMspSol_Cols()

auto xpress::XPRSProblem::Attributes::getMspSol_Cols ( ) const -> int

inline

Get the value for attribute MspSol_Cols.

Returns: The current value for MspSol_Cols.

getMspSol_IsReProcessedUserSolution()

auto xpress::XPRSProblem::Attributes::getMspSol_IsReProcessedUserSolution ( ) const -> int

inline

Get the value for attribute MspSol_IsReProcessedUserSolution.

Returns: The current value for MspSol_IsReProcessedUserSolution.

getMspSol_IsUserSolution()

auto xpress::XPRSProblem::Attributes::getMspSol_IsUserSolution ( ) const -> int

inline

Get the value for attribute MspSol_IsUserSolution.

Returns: The current value for MspSol_IsUserSolution.

getMspSol_NonZeros()

auto xpress::XPRSProblem::Attributes::getMspSol_NonZeros ( ) const -> int

inline

Get the value for attribute MspSol_NonZeros.

Returns: The current value for MspSol_NonZeros.

getMspSolPrb_InfCnt_Mip()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_InfCnt_Mip ( ) const -> int

inline

Get the value for attribute MspSolPrb_InfCnt_Mip.

Returns: The current value for MspSolPrb_InfCnt_Mip.

getMspSolPrb_InfCnt_Primal()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_InfCnt_Primal ( ) const -> int

inline

Get the value for attribute MspSolPrb_InfCnt_Primal.

Returns: The current value for MspSolPrb_InfCnt_Primal.

getMspSolPrb_InfeasCount()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_InfeasCount ( ) const -> int

inline

Get the value for attribute MspSolPrb_InfeasCount.

Returns: The current value for MspSolPrb_InfeasCount.

getMspSolPrb_InfSum_Mip()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_InfSum_Mip ( ) const -> double

inline

Get the value for attribute MspSolPrb_InfSum_Mip.

Returns: The current value for MspSolPrb_InfSum_Mip.

getMspSolPrb_InfSum_Primal()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_InfSum_Primal ( ) const -> double

inline

Get the value for attribute MspSolPrb_InfSum_Primal.

Returns: The current value for MspSolPrb_InfSum_Primal.

getMspSolPrb_Obj()

auto xpress::XPRSProblem::Attributes::getMspSolPrb_Obj ( ) const -> double

inline

Get the value for attribute MspSolPrb_Obj.

Returns: The current value for MspSolPrb_Obj.

getMspSolutions()

auto xpress::XPRSProblem::Attributes::getMspSolutions ( ) const -> int

inline

Get the value for attribute MspSolutions.

Returns: The current value for MspSolutions.

getNameLength()

auto xpress::XPRSProblem::Attributes::getNameLength ( ) const -> int

inline

Get the value for attribute NameLength.

The length (in 8 character units) of row and column names in the matrix. To allocate a character array to store names, you must allow 8*NAMELENGTH+1 characters per name (the +1 allows for the string terminator character).

Returns: The current value for NameLength.

getNlpEqualsColumn()

auto xpress::XPRSProblem::Attributes::getNlpEqualsColumn ( ) const -> int

inline

Get the value for attribute NlpEqualsColumn.

Index of the reserved "=" column

Returns: The current value for NlpEqualsColumn.

getNlpIfs()

auto xpress::XPRSProblem::Attributes::getNlpIfs ( ) const -> int

inline

Get the value for attribute NlpIfs.

Number of internal functions

Returns: The current value for NlpIfs.

getNlpImplicitVariables()

auto xpress::XPRSProblem::Attributes::getNlpImplicitVariables ( ) const -> int

inline

Get the value for attribute NlpImplicitVariables.

Number of SLP variables appearing only in coefficients

Returns: The current value for NlpImplicitVariables.

getNlpJobID()

auto xpress::XPRSProblem::Attributes::getNlpJobID ( ) const -> int

inline

Get the value for attribute NlpJobID.

Unique identifier for the current job

Returns: The current value for NlpJobID.

getNlpKeepBestIter()

auto xpress::XPRSProblem::Attributes::getNlpKeepBestIter ( ) const -> int

inline

Get the value for attribute NlpKeepBestIter.

The iteration in which the returned solution has been found.

Returns: The current value for NlpKeepBestIter.

getNlpModelCols()

auto xpress::XPRSProblem::Attributes::getNlpModelCols ( ) const -> int

inline

Get the value for attribute NlpModelCols.

Number of model columns in the problem

Returns: The current value for NlpModelCols.

getNlpModelRows()

auto xpress::XPRSProblem::Attributes::getNlpModelRows ( ) const -> int

inline

Get the value for attribute NlpModelRows.

Number of model rows in the problem

Returns: The current value for NlpModelRows.

getNlpObjVal()

auto xpress::XPRSProblem::Attributes::getNlpObjVal ( ) const -> double

inline

Get the value for attribute NlpObjVal.

Objective function value excluding any penalty costs

Returns: The current value for NlpObjVal.

getNlpOptTime()

auto xpress::XPRSProblem::Attributes::getNlpOptTime ( ) const -> double

inline

Get the value for attribute NlpOptTime.

Time spent in optimization

Returns: The current value for NlpOptTime.

getNlpOriginalCols()

auto xpress::XPRSProblem::Attributes::getNlpOriginalCols ( ) const -> int

inline

Get the value for attribute NlpOriginalCols.

Number of model columns in the extended original problem

Returns: The current value for NlpOriginalCols.

getNlpOriginalRows()

auto xpress::XPRSProblem::Attributes::getNlpOriginalRows ( ) const -> int

inline

Get the value for attribute NlpOriginalRows.

Number of model rows in the extended original problem

Returns: The current value for NlpOriginalRows.

getNlpPresolveEliminations()

auto xpress::XPRSProblem::Attributes::getNlpPresolveEliminations ( ) const -> int

inline

Get the value for attribute NlpPresolveEliminations.

Number of SLP variables eliminated by XSLPpresolve

Returns: The current value for NlpPresolveEliminations.

getNlpStatus()

auto xpress::XPRSProblem::Attributes::getNlpStatus ( ) const -> int

inline

Get the value for attribute NlpStatus.

Bitmap holding the problem convergence status

Returns: The current value for NlpStatus.

getNlpStopStatus()

auto xpress::XPRSProblem::Attributes::getNlpStopStatus ( ) const -> int

inline

Get the value for attribute NlpStopStatus.

Status of the optimization process.

Returns: The current value for NlpStopStatus.

getNlpUFs()

auto xpress::XPRSProblem::Attributes::getNlpUFs ( ) const -> int

inline

Get the value for attribute NlpUFs.

Number of user functions

Returns: The current value for NlpUFs.

getNlpUseDerivatives()

auto xpress::XPRSProblem::Attributes::getNlpUseDerivatives ( ) const -> int

inline

Get the value for attribute NlpUseDerivatives.

Indicates whether numeric or analytic derivatives were used to create the linear approximations and solve the problem

Returns: The current value for NlpUseDerivatives.

getNlpUserFuncCalls()

auto xpress::XPRSProblem::Attributes::getNlpUserFuncCalls ( ) const -> int

inline

Get the value for attribute NlpUserFuncCalls.

Number of calls made to user functions

Returns: The current value for NlpUserFuncCalls.

getNlpValidationIndex_A()

auto xpress::XPRSProblem::Attributes::getNlpValidationIndex_A ( ) const -> double

inline

Get the value for attribute NlpValidationIndex_A.

Absolute validation index

Returns: The current value for NlpValidationIndex_A.

getNlpValidationIndex_K()

auto xpress::XPRSProblem::Attributes::getNlpValidationIndex_K ( ) const -> double

inline

Get the value for attribute NlpValidationIndex_K.

Relative first order optimality validation index

Returns: The current value for NlpValidationIndex_K.

getNlpValidationIndex_R()

auto xpress::XPRSProblem::Attributes::getNlpValidationIndex_R ( ) const -> double

inline

Get the value for attribute NlpValidationIndex_R.

Relative validation index

Returns: The current value for NlpValidationIndex_R.

getNlpVariables()

auto xpress::XPRSProblem::Attributes::getNlpVariables ( ) const -> int

inline

Get the value for attribute NlpVariables.

Number of SLP variables

Returns: The current value for NlpVariables.

getNodeDepth()

auto xpress::XPRSProblem::Attributes::getNodeDepth ( ) const -> int

inline

Get the value for attribute NodeDepth.

Depth of the current node.

Returns: The current value for NodeDepth.

getNodes()

auto xpress::XPRSProblem::Attributes::getNodes ( ) const -> int

inline

Get the value for attribute Nodes.

Number of nodes solved so far in the MIP search. A node is counted as solved when it is either dropped or branched on.

Returns: The current value for Nodes.

getNonLinearConstraints()

auto xpress::XPRSProblem::Attributes::getNonLinearConstraints ( ) const -> int

inline

Get the value for attribute NonLinearConstraints.

Number of nonlinear constraints in the problem

Returns: The current value for NonLinearConstraints.

getNumIIS()

auto xpress::XPRSProblem::Attributes::getNumIIS ( ) const -> int

inline

Get the value for attribute NumIIS.

Number of IISs found. You should first query the IISSOLSTATUS attribute to make sure that the IIS procedure terminated successfully.

Returns: The current value for NumIIS.

getObjectives()

auto xpress::XPRSProblem::Attributes::getObjectives ( ) const -> int

inline

Get the value for attribute Objectives.

Number of objectives in the problem.

Returns: The current value for Objectives.

getObjName()

auto xpress::XPRSProblem::Attributes::getObjName ( ) const -> std::string

inline

Get the value for attribute ObjName.

Returns: The current value for ObjName.

getObjRhs()

auto xpress::XPRSProblem::Attributes::getObjRhs ( ) const -> double

inline

Get the value for attribute ObjRhs.

Fixed part of the objective function.

Returns: The current value for ObjRhs.

getOBJSense()

auto xpress::XPRSProblem::Attributes::getOBJSense ( ) const -> double

inline

Get the value for attribute OBJSense.

Sense of the optimization being performed.

Returns: The current value for OBJSense.

getObjsToSolve()

auto xpress::XPRSProblem::Attributes::getObjsToSolve ( ) const -> int

inline

Get the value for attribute ObjsToSolve.

Number of objectives that will be solved during the current multi-objective solve.

Returns: The current value for ObjsToSolve.

getObjVal()

auto xpress::XPRSProblem::Attributes::getObjVal ( ) const -> double

inline

Get the value for attribute ObjVal.

Value of the objective function of the last problem solved with XPRSoptimize.

Returns: The current value for ObjVal.

getObservedPrimalIntegral()

auto xpress::XPRSProblem::Attributes::getObservedPrimalIntegral ( ) const -> double

inline

Get the value for attribute ObservedPrimalIntegral.

Value of the (observed) primal integral.

Returns: The current value for ObservedPrimalIntegral.

getOptimizeTypeUsed()

auto xpress::XPRSProblem::Attributes::getOptimizeTypeUsed ( ) const -> xpress::OptimizeType

inline

Get the value for attribute OptimizeTypeUsed.

The type of solver used in the last call to XPRSoptimize, XPRSmipoptimize, XPRSlpoptimize or XPRSnlpoptimize.

Returns: The current value for OptimizeTypeUsed.

getOriginalCols()

auto xpress::XPRSProblem::Attributes::getOriginalCols ( ) const -> int

inline

Get the value for attribute OriginalCols.

Number of columns (i.e. variables) in the original matrix before presolving.

Returns: The current value for OriginalCols.

getOriginalGenconCols()

auto xpress::XPRSProblem::Attributes::getOriginalGenconCols ( ) const -> XPRSint64

inline

Get the value for attribute OriginalGenconCols.

Number of input variables in general constraints in the original problem before presolving.

Returns: The current value for OriginalGenconCols.

getOriginalGencons()

auto xpress::XPRSProblem::Attributes::getOriginalGencons ( ) const -> int

inline

Get the value for attribute OriginalGencons.

Number of general constraints in the original problem before presolving.

Returns: The current value for OriginalGencons.

getOriginalGenconVals()

auto xpress::XPRSProblem::Attributes::getOriginalGenconVals ( ) const -> XPRSint64

inline

Get the value for attribute OriginalGenconVals.

Number of constant values in general constraints in the original problem before presolving.

Returns: The current value for OriginalGenconVals.

getOriginalIndicators()

auto xpress::XPRSProblem::Attributes::getOriginalIndicators ( ) const -> int

inline

Get the value for attribute OriginalIndicators.

Number of indicator constraints in the original matrix before presolving.

Returns: The current value for OriginalIndicators.

getOriginalMipEnts()

auto xpress::XPRSProblem::Attributes::getOriginalMipEnts ( ) const -> int

inline

Get the value for attribute OriginalMipEnts.

Number of MIP entities (i.e. binary, integer, semi-continuous, partial integer, and semi-continuous integer variables) but excluding the number of special ordered sets in the original matrix before presolving.

Returns: The current value for OriginalMipEnts.

getOriginalPwlpoints()

auto xpress::XPRSProblem::Attributes::getOriginalPwlpoints ( ) const -> XPRSint64

inline

Get the value for attribute OriginalPwlpoints.

Number of breakpoints of piecewise linear constraints in the original problem before presolving.

Returns: The current value for OriginalPwlpoints.

getOriginalPwls()

auto xpress::XPRSProblem::Attributes::getOriginalPwls ( ) const -> int

inline

Get the value for attribute OriginalPwls.

Number of piecewise linear constraints in the original problem before presolving.

Returns: The current value for OriginalPwls.

getOriginalQCElems()

auto xpress::XPRSProblem::Attributes::getOriginalQCElems ( ) const -> int

inline

Get the value for attribute OriginalQCElems.

Number of quadratic row coefficients in the original matrix before presolving.

Returns: The current value for OriginalQCElems.

getOriginalQConstraints()

auto xpress::XPRSProblem::Attributes::getOriginalQConstraints ( ) const -> int

inline

Get the value for attribute OriginalQConstraints.

Number of rows with quadratic coefficients in the original matrix before presolving.

Returns: The current value for OriginalQConstraints.

getOriginalQElems()

auto xpress::XPRSProblem::Attributes::getOriginalQElems ( ) const -> int

inline

Get the value for attribute OriginalQElems.

Number of quadratic non-zeros in the original objective before presolving.

Returns: The current value for OriginalQElems.

getOriginalRows()

auto xpress::XPRSProblem::Attributes::getOriginalRows ( ) const -> int

inline

Get the value for attribute OriginalRows.

Number of rows (i.e. constraints) in the original matrix before presolving.

Returns: The current value for OriginalRows.

getOriginalSetMembers()

auto xpress::XPRSProblem::Attributes::getOriginalSetMembers ( ) const -> XPRSint64

inline

Get the value for attribute OriginalSetMembers.

Number of variables within special ordered sets (set members) in the original matrix before presolving.

Returns: The current value for OriginalSetMembers.

getOriginalSets()

auto xpress::XPRSProblem::Attributes::getOriginalSets ( ) const -> int

inline

Get the value for attribute OriginalSets.

Number of special ordered sets in the original matrix before presolving.

Returns: The current value for OriginalSets.

getParentNode()

auto xpress::XPRSProblem::Attributes::getParentNode ( ) const -> int

inline

Get the value for attribute ParentNode.

The parent node of the current node in the tree search.

Returns: The current value for ParentNode.

getPeakMemory()

auto xpress::XPRSProblem::Attributes::getPeakMemory ( ) const -> XPRSint64

inline

Get the value for attribute PeakMemory.

An estimate of the peak amount of dynamically allocated heap memory by the problem.

Returns: The current value for PeakMemory.

getPeakTotalTreeMemoryUsage()

auto xpress::XPRSProblem::Attributes::getPeakTotalTreeMemoryUsage ( ) const -> int

inline

Get the value for attribute PeakTotalTreeMemoryUsage.

The peak size, in megabytes, that the branch-and-bound search tree reached during the solve. Note that this value will include the uncompressed size of any compressed data and the size of any data saved to the tree file.

Returns: The current value for PeakTotalTreeMemoryUsage.

getPenaltyValue()

auto xpress::XPRSProblem::Attributes::getPenaltyValue ( ) const -> double

inline

Get the value for attribute PenaltyValue.

The weighted sum of violations in the solution to the relaxed problem identified by the infeasibility repair function.

Returns: The current value for PenaltyValue.

getPhysicalCoresDetected()

auto xpress::XPRSProblem::Attributes::getPhysicalCoresDetected ( ) const -> int

inline

Get the value for attribute PhysicalCoresDetected.

The total number of physical cores across all CPUs detected by the optimizer.

Returns: The current value for PhysicalCoresDetected.

getPhysicalCoresPerCPUDetected()

auto xpress::XPRSProblem::Attributes::getPhysicalCoresPerCPUDetected ( ) const -> int

inline

Get the value for attribute PhysicalCoresPerCPUDetected.

The number of physical cores per CPU detected by the optimizer.

Returns: The current value for PhysicalCoresPerCPUDetected.

getPredictedAttLevel()

auto xpress::XPRSProblem::Attributes::getPredictedAttLevel ( ) const -> double

inline

Get the value for attribute PredictedAttLevel.

A measure between 0 and 1 to predict how numerically unstable the current MIP solve can be expected to be. After the root LP solve, a machine learning model is used to predict the actual ATTENTIONLEVEL which will only be computed if MIPKAPPAFREQ is set to a nonzero value. If the predicted attention level exceeds a value of 0.1, a message will be printed to the log.

Returns: The current value for PredictedAttLevel.

getPresolveIndex()

auto xpress::XPRSProblem::Attributes::getPresolveIndex ( ) const -> int

inline

Get the value for attribute PresolveIndex.

Presolve: The row or column index on which presolve detected a problem to be infeasible or unbounded.

Returns: The current value for PresolveIndex.

getPresolveState()

auto xpress::XPRSProblem::Attributes::getPresolveState ( ) const -> int

inline

Get the value for attribute PresolveState.

Problem status as a bit map.

Returns: The current value for PresolveState.

getPrimalDualIntegral()

auto xpress::XPRSProblem::Attributes::getPrimalDualIntegral ( ) const -> double

inline

Get the value for attribute PrimalDualIntegral.

Value of the primal-dual integral.

Returns: The current value for PrimalDualIntegral.

getPrimalInfeas()

auto xpress::XPRSProblem::Attributes::getPrimalInfeas ( ) const -> int

inline

Get the value for attribute PrimalInfeas.

Number of primal infeasibilities.

Returns: The current value for PrimalInfeas.

getPwlCons()

auto xpress::XPRSProblem::Attributes::getPwlCons ( ) const -> int

inline

Get the value for attribute PwlCons.

Number of piecewise linear constraints in the problem.

Returns: The current value for PwlCons.

getPwlPoints()

auto xpress::XPRSProblem::Attributes::getPwlPoints ( ) const -> XPRSint64

inline

Get the value for attribute PwlPoints.

Number of breakpoints of piecewise linear constraints in the problem.

Returns: The current value for PwlPoints.

getQCElems()

auto xpress::XPRSProblem::Attributes::getQCElems ( ) const -> int

inline

Get the value for attribute QCElems.

Number of quadratic row coefficients in the matrix.

Returns: The current value for QCElems.

getQConstraints()

auto xpress::XPRSProblem::Attributes::getQConstraints ( ) const -> int

inline

Get the value for attribute QConstraints.

Number of rows with quadratic coefficients in the matrix.

Returns: The current value for QConstraints.

getQElems()

auto xpress::XPRSProblem::Attributes::getQElems ( ) const -> int

inline

Get the value for attribute QElems.

Number of quadratic non-zeros in the objective.

Returns: The current value for QElems.

getRangeName()

auto xpress::XPRSProblem::Attributes::getRangeName ( ) const -> std::string

inline

Get the value for attribute RangeName.

Active range name.

Returns: The current value for RangeName.

getRestarts()

auto xpress::XPRSProblem::Attributes::getRestarts ( ) const -> int

inline

Get the value for attribute Restarts.

Total number of restarts performed.

Returns: The current value for Restarts.

getRhsName()

auto xpress::XPRSProblem::Attributes::getRhsName ( ) const -> std::string

inline

Get the value for attribute RhsName.

Active right hand side name.

Returns: The current value for RhsName.

getRows()

auto xpress::XPRSProblem::Attributes::getRows ( ) const -> int

inline

Get the value for attribute Rows.

Number of rows (i.e. constraints) in the matrix.

Returns: The current value for Rows.

getSetMembers()

auto xpress::XPRSProblem::Attributes::getSetMembers ( ) const -> XPRSint64

inline

Get the value for attribute SetMembers.

Number of variables within special ordered sets (set members) in the matrix.

Returns: The current value for SetMembers.

getSets()

auto xpress::XPRSProblem::Attributes::getSets ( ) const -> int

inline

Get the value for attribute Sets.

Number of special ordered sets in the matrix.

Returns: The current value for Sets.

getSimplexIter()

auto xpress::XPRSProblem::Attributes::getSimplexIter ( ) const -> int

inline

Get the value for attribute SimplexIter.

Number of simplex iterations performed.

Returns: The current value for SimplexIter.

getSlpCoefficients()

auto xpress::XPRSProblem::Attributes::getSlpCoefficients ( ) const -> int

inline

Get the value for attribute SlpCoefficients.

Number of nonlinear coefficients

Returns: The current value for SlpCoefficients.

getSlpCurrentDeltaCost()

auto xpress::XPRSProblem::Attributes::getSlpCurrentDeltaCost ( ) const -> double

inline

Get the value for attribute SlpCurrentDeltaCost.

Current value of penalty cost multiplier for penalty delta vectors

Returns: The current value for SlpCurrentDeltaCost.

getSlpCurrentErrorCost()

auto xpress::XPRSProblem::Attributes::getSlpCurrentErrorCost ( ) const -> double

inline

Get the value for attribute SlpCurrentErrorCost.

Current value of penalty cost multiplier for penalty error vectors

Returns: The current value for SlpCurrentErrorCost.

getSlpDeltas()

auto xpress::XPRSProblem::Attributes::getSlpDeltas ( ) const -> int

inline

Get the value for attribute SlpDeltas.

Number of delta vectors created during augmentation

Returns: The current value for SlpDeltas.

getSlpECFCount()

auto xpress::XPRSProblem::Attributes::getSlpECFCount ( ) const -> int

inline

Get the value for attribute SlpECFCount.

Number of infeasible constraints found at the point of linearization

Returns: The current value for SlpECFCount.

getSlpErrorCosts()

auto xpress::XPRSProblem::Attributes::getSlpErrorCosts ( ) const -> double

inline

Get the value for attribute SlpErrorCosts.

Total penalty costs in the solution

Returns: The current value for SlpErrorCosts.

getSlpIter()

auto xpress::XPRSProblem::Attributes::getSlpIter ( ) const -> int

inline

Get the value for attribute SlpIter.

SLP iteration count

Returns: The current value for SlpIter.

getSlpMinusPenaltyErrors()

auto xpress::XPRSProblem::Attributes::getSlpMinusPenaltyErrors ( ) const -> int

inline

Get the value for attribute SlpMinusPenaltyErrors.

Number of negative penalty error vectors

Returns: The current value for SlpMinusPenaltyErrors.

getSlpMipIter()

auto xpress::XPRSProblem::Attributes::getSlpMipIter ( ) const -> int

inline

Get the value for attribute SlpMipIter.

Total number of SLP iterations in MISLP

Returns: The current value for SlpMipIter.

getSlpMipNodes()

auto xpress::XPRSProblem::Attributes::getSlpMipNodes ( ) const -> int

inline

Get the value for attribute SlpMipNodes.

Number of nodes explored in MISLP. This includes any nodes for which a non-linear solve has been carried out.

Returns: The current value for SlpMipNodes.

getSlpMipSols()

auto xpress::XPRSProblem::Attributes::getSlpMipSols ( ) const -> int

inline

Get the value for attribute SlpMipSols.

Number of integer solutions found in MISLP. This includes solutions found during the tree search or any heuristics.

Returns: The current value for SlpMipSols.

getSlpNonConstantCoeffs()

auto xpress::XPRSProblem::Attributes::getSlpNonConstantCoeffs ( ) const -> int

inline

Get the value for attribute SlpNonConstantCoeffs.

Number of coefficients in the augmented problem that might change between SLP iterations

Returns: The current value for SlpNonConstantCoeffs.

getSlpPenaltyDeltaColumn()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyDeltaColumn ( ) const -> int

inline

Get the value for attribute SlpPenaltyDeltaColumn.

Index of column costing the penalty delta row

Returns: The current value for SlpPenaltyDeltaColumn.

getSlpPenaltyDeltaRow()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyDeltaRow ( ) const -> int

inline

Get the value for attribute SlpPenaltyDeltaRow.

Index of equality row holding the penalties for delta vectors

Returns: The current value for SlpPenaltyDeltaRow.

getSlpPenaltyDeltas()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyDeltas ( ) const -> int

inline

Get the value for attribute SlpPenaltyDeltas.

Number of penalty delta vectors

Returns: The current value for SlpPenaltyDeltas.

getSlpPenaltyDeltaTotal()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyDeltaTotal ( ) const -> double

inline

Get the value for attribute SlpPenaltyDeltaTotal.

Total activity of penalty delta vectors

Returns: The current value for SlpPenaltyDeltaTotal.

getSlpPenaltyDeltaValue()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyDeltaValue ( ) const -> double

inline

Get the value for attribute SlpPenaltyDeltaValue.

Total penalty cost attributed to penalty delta vectors

Returns: The current value for SlpPenaltyDeltaValue.

getSlpPenaltyErrorColumn()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyErrorColumn ( ) const -> int

inline

Get the value for attribute SlpPenaltyErrorColumn.

Index of column costing the penalty error row

Returns: The current value for SlpPenaltyErrorColumn.

getSlpPenaltyErrorRow()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyErrorRow ( ) const -> int

inline

Get the value for attribute SlpPenaltyErrorRow.

Index of equality row holding the penalties for penalty error vectors

Returns: The current value for SlpPenaltyErrorRow.

getSlpPenaltyErrors()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyErrors ( ) const -> int

inline

Get the value for attribute SlpPenaltyErrors.

Number of penalty error vectors

Returns: The current value for SlpPenaltyErrors.

getSlpPenaltyErrorTotal()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyErrorTotal ( ) const -> double

inline

Get the value for attribute SlpPenaltyErrorTotal.

Total activity of penalty error vectors

Returns: The current value for SlpPenaltyErrorTotal.

getSlpPenaltyErrorValue()

auto xpress::XPRSProblem::Attributes::getSlpPenaltyErrorValue ( ) const -> double

inline

Get the value for attribute SlpPenaltyErrorValue.

Total penalty cost attributed to penalty error vectors

Returns: The current value for SlpPenaltyErrorValue.

getSlpPlusPenaltyErrors()

auto xpress::XPRSProblem::Attributes::getSlpPlusPenaltyErrors ( ) const -> int

inline

Get the value for attribute SlpPlusPenaltyErrors.

Number of positive penalty error vectors

Returns: The current value for SlpPlusPenaltyErrors.

getSlpSbxConverged()

auto xpress::XPRSProblem::Attributes::getSlpSbxConverged ( ) const -> int

inline

Get the value for attribute SlpSbxConverged.

Number of step-bounded variables converged only on extended criteria

Returns: The current value for SlpSbxConverged.

getSlpStatus()

auto xpress::XPRSProblem::Attributes::getSlpStatus ( ) const -> int

inline

Get the value for attribute SlpStatus.

Bitmap holding the problem convergence status

Returns: The current value for SlpStatus.

getSlpTolSets()

auto xpress::XPRSProblem::Attributes::getSlpTolSets ( ) const -> int

inline

Get the value for attribute SlpTolSets.

Number of tolerance sets.

Returns: The current value for SlpTolSets.

getSlpUCConstrainedCount()

auto xpress::XPRSProblem::Attributes::getSlpUCConstrainedCount ( ) const -> int

inline

Get the value for attribute SlpUCConstrainedCount.

Number of unconverged variables with coefficients in constraining rows

Returns: The current value for SlpUCConstrainedCount.

getSlpUnConverged()

auto xpress::XPRSProblem::Attributes::getSlpUnConverged ( ) const -> int

inline

Get the value for attribute SlpUnConverged.

Number of unconverged values

Returns: The current value for SlpUnConverged.

getSlpZeroesReset()

auto xpress::XPRSProblem::Attributes::getSlpZeroesReset ( ) const -> int

inline

Get the value for attribute SlpZeroesReset.

Number of placeholder entries set to zero

Returns: The current value for SlpZeroesReset.

getSlpZeroesRetained()

auto xpress::XPRSProblem::Attributes::getSlpZeroesRetained ( ) const -> int

inline

Get the value for attribute SlpZeroesRetained.

Number of potentially zero placeholders left untouched

Returns: The current value for SlpZeroesRetained.

getSlpZeroesTotal()

auto xpress::XPRSProblem::Attributes::getSlpZeroesTotal ( ) const -> int

inline

Get the value for attribute SlpZeroesTotal.

Number of potential zero placeholder entries

Returns: The current value for SlpZeroesTotal.

getSolStatus()

auto xpress::XPRSProblem::Attributes::getSolStatus ( ) const -> xpress::SolStatus

inline

Get the value for attribute SolStatus.

Status of the solution of the last problem solved with XPRSoptimize.

Returns: The current value for SolStatus.

getSolvedObjs()

auto xpress::XPRSProblem::Attributes::getSolvedObjs ( ) const -> int

inline

Get the value for attribute SolvedObjs.

Number of objectives that have been solved so far during a multi-objective solve.

Returns: The current value for SolvedObjs.

getSolveStatus()

auto xpress::XPRSProblem::Attributes::getSolveStatus ( ) const -> xpress::SolveStatus

inline

Get the value for attribute SolveStatus.

Status of the solve of the last problem solved with XPRSoptimize.

Returns: The current value for SolveStatus.

getSpareCols()

auto xpress::XPRSProblem::Attributes::getSpareCols ( ) const -> int

inline

Get the value for attribute SpareCols.

Number of spare columns in the matrix.

Returns: The current value for SpareCols.

getSpareElems()

auto xpress::XPRSProblem::Attributes::getSpareElems ( ) const -> XPRSint64

inline

Get the value for attribute SpareElems.

Number of spare matrix elements in the matrix.

Returns: The current value for SpareElems.

getSpareMipEnts()

auto xpress::XPRSProblem::Attributes::getSpareMipEnts ( ) const -> int

inline

Get the value for attribute SpareMipEnts.

Number of spare MIP entities in the matrix.

Returns: The current value for SpareMipEnts.

getSpareRows()

auto xpress::XPRSProblem::Attributes::getSpareRows ( ) const -> int

inline

Get the value for attribute SpareRows.

Number of spare rows in the matrix.

Returns: The current value for SpareRows.

getSpareSetElems()

auto xpress::XPRSProblem::Attributes::getSpareSetElems ( ) const -> XPRSint64

inline

Get the value for attribute SpareSetElems.

Number of spare set elements in the matrix.

Returns: The current value for SpareSetElems.

getSpareSets()

auto xpress::XPRSProblem::Attributes::getSpareSets ( ) const -> int

inline

Get the value for attribute SpareSets.

Number of spare sets in the matrix.

Returns: The current value for SpareSets.

getStopStatus()

auto xpress::XPRSProblem::Attributes::getStopStatus ( ) const -> int

inline

Get the value for attribute StopStatus.

Status of the optimization process.

Returns: The current value for StopStatus.

getSumPrimalInf()

auto xpress::XPRSProblem::Attributes::getSumPrimalInf ( ) const -> double

inline

Get the value for attribute SumPrimalInf.

Scaled sum of primal infeasibilities.

Returns: The current value for SumPrimalInf.

getSystemMemory()

auto xpress::XPRSProblem::Attributes::getSystemMemory ( ) const -> XPRSint64

inline

Get the value for attribute SystemMemory.

The amount of non problem specific memory used by the solver.

Returns: The current value for SystemMemory.

getTime()

auto xpress::XPRSProblem::Attributes::getTime ( ) const -> double

inline

Get the value for attribute Time.

Time spent solving the problem as measured by the optimizer.

Returns: The current value for Time.

getTotalMemory()

auto xpress::XPRSProblem::Attributes::getTotalMemory ( ) const -> XPRSint64

inline

Get the value for attribute TotalMemory.

The amount of dynamically allocated heap memory by the optimizer, including all problems currently exsisting.

Returns: The current value for TotalMemory.

getTreeCompletion()

auto xpress::XPRSProblem::Attributes::getTreeCompletion ( ) const -> double

inline

Get the value for attribute TreeCompletion.

Estimation of the relative completion of the search tree as fraction between 0 and 1. Its accuracy mainly depends on the level of degeneracy of a problem and the balancedness of the search tree.

Returns: The current value for TreeCompletion.

getTreeFileSize()

auto xpress::XPRSProblem::Attributes::getTreeFileSize ( ) const -> int

inline

Get the value for attribute TreeFileSize.

The allocated size of the tree file, in megabytes. Because data can be removed from the tree file during the branch and bound search, the size of the tree file is usually greater than the amount of data currently within it (represented by the TREEFILEUSAGE attribute).

Returns: The current value for TreeFileSize.

getTreeFileUsage()

auto xpress::XPRSProblem::Attributes::getTreeFileUsage ( ) const -> int

inline

Get the value for attribute TreeFileUsage.

The number of megabytes of data from the branch-and-bound tree that have been saved to the tree file. Note that the actual allocated size of the tree file (represented by the TREEFILESIZE attribute) may be greater than this value.

Returns: The current value for TreeFileUsage.

getTreeMemoryUsage()

auto xpress::XPRSProblem::Attributes::getTreeMemoryUsage ( ) const -> int

inline

Get the value for attribute TreeMemoryUsage.

The amount of physical memory, in megabytes, currently being used to store the branch-and-bound search tree.

Returns: The current value for TreeMemoryUsage.

getTreeRestarts()

auto xpress::XPRSProblem::Attributes::getTreeRestarts ( ) const -> int

inline

Get the value for attribute TreeRestarts.

Number of in-tree restarts performed.

Returns: The current value for TreeRestarts.

getUUID()

auto xpress::XPRSProblem::Attributes::getUUID ( ) const -> std::string

inline

Get the value for attribute UUID.

Universally Unique Identifier for the problem instance.

Returns: The current value for UUID.

getXpressVersion()

auto xpress::XPRSProblem::Attributes::getXpressVersion ( ) const -> std::string

inline

Get the value for attribute XpressVersion.

The Xpress version number.

Returns: The current value for XpressVersion.

The documentation for this class was generated from the following file:

xpress.hpp

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Contents

Index

Glossary

Search Results

Attributes

Public Member Functions

Detailed Description

Member Function Documentation

getActiveNodes()

getAlgorithm()

getAttentionLevel()

getAvailableMemory()

getBarAASize()

getBarCGap()

getBarCondA()

getBarCondD()

getBarCrossover()

getBarDenseCol()

getBarDualInf()

getBarDualObj()

getBarIter()

getBarLSize()

getBarPrimalInf()

getBarPrimalObj()

getBarSing()

getBarSingR()

getBestBound()

getBoundName()

getBranchValue()

getBranchVar()

getCallbackCount_CutMgr()

getCallbackCount_OptNode()

getChecksOnMaxCutTime()

getChecksOnMaxTime()

getCols()

getComputeExecutions()

getConeElems()

getCones()

getCoresDetected()

getCoresPerCPUDetected()

getCpiScaleFactor()

getCPUsDetected()

getCrossoverIter()

getCurrentMemory()

getCurrentNode()

getCurrMipCutOff()

getCuts()

getDualInfeas()

getElems()

getErrorCode()

getGenConCols()

getGenCons()

getGenConVals()

getGlobalBoundingboxApplied()

getGlobalNlpInfeas()

getIISSolStatus()

getIndicators()

getInputCols()

getInputRows()

getLocalSolverSelected()

getLpObjVal()

getLpStatus()

getMatrixName()

getMaxAbsDualInfeas()

getMaxAbsPrimalInfeas()

getMaxKappa()

getMaxMipInfeas()

getMaxProbNameLength()

getMaxRelDualInfeas()

getMaxRelPrimalInfeas()

getMemoryLimitDetected()

getMipBestObjVal()

getMipEnts()

getMipInfeas()

getMipObjVal()

getMipSolNode()

getMipSols()

getMipSolTime()

getMipStatus()

getMipThreadID()