SCIP
Solving Constraint Integer Programs
SCIP_Lp Struct Reference
Detailed Description
current LP data
Definition at line 274 of file struct_lp.h.
#include <struct_lp.h>
Field Documentation
◆ lpobjval
| SCIP_Real SCIP_Lp::lpobjval |
objective value of LP without loose variables, or SCIP_INVALID
Definition at line 276 of file struct_lp.h.
Referenced by adjustLPobjval(), lpAdjustObjlimForExactSolve(), lpDelColset(), lpDelRowset(), lpExactFlushAndSolve(), lpFlushAddCols(), lpFlushAddRows(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpFlushDelRows(), lpRestoreSolVals(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSetFeastol(), lpSetIterationLimit(), lpSetObjlim(), lpSolve(), lpStoreSolVals(), SCIPcolGetStrongbranch(), SCIPconflictAnalyzeLP(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetSol(), SCIPlpExactSolveAndEval(), SCIPlpGetColumnObjval(), SCIPlpGetObjval(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetUnboundedSol(), SCIPlpReset(), SCIPlpSetCutoffbound(), SCIPlpSolveAndEval(), SCIPrunBoundHeuristic(), and SCIPtreeEndProbing().
◆ looseobjval
| SCIP_Real SCIP_Lp::looseobjval |
current solution value of all loose variables set to their best bounds, ignoring variables, with infinite best bound
Definition at line 277 of file struct_lp.h.
Referenced by getFiniteLooseObjval(), lpUpdateObjval(), lpUpdateVarColumnProved(), lpUpdateVarLooseProved(), lpUpdateVarProved(), recomputeLooseObjectiveValue(), recomputeSafeLooseObjectiveValue(), SCIPlpComputeRelIntPoint(), SCIPlpDecNLoosevars(), SCIPlpGetLooseObjval(), and SCIPlpGetObjval().
◆ rellooseobjval
| SCIP_Real SCIP_Lp::rellooseobjval |
last reliable solution value of all loose variables set to their best bounds, ignoring variables, with infinite best bound
Definition at line 279 of file struct_lp.h.
Referenced by lpUpdateObjval(), recomputeLooseObjectiveValue(), and recomputeSafeLooseObjectiveValue().
◆ glbpseudoobjval
| SCIP_Real SCIP_Lp::glbpseudoobjval |
global pseudo solution value with all variables set to their best global bounds, ignoring variables, with infinite best bound
Definition at line 281 of file struct_lp.h.
Referenced by lpUpdateObjval(), lpUpdateVarProved(), recomputeGlbPseudoObjectiveValue(), SCIPlpGetGlobalPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPlpUpdateVarObj().
◆ relglbpseudoobjval
| SCIP_Real SCIP_Lp::relglbpseudoobjval |
last reliable global pseudo solution value
Definition at line 283 of file struct_lp.h.
Referenced by lpUpdateObjval(), recomputeGlbPseudoObjectiveValue(), and SCIPlpRecomputeLocalAndGlobalPseudoObjval().
◆ pseudoobjval
| SCIP_Real SCIP_Lp::pseudoobjval |
current pseudo solution value with all variables set to their best bounds, ignoring variables, with infinite best bound
Definition at line 284 of file struct_lp.h.
Referenced by getFinitePseudoObjval(), lpUpdateObjval(), lpUpdateVarProved(), recomputePseudoObjectiveValue(), recomputeSafePseudoObjectiveValue(), SCIPlpGetPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPlpUpdateVarObj().
◆ relpseudoobjval
| SCIP_Real SCIP_Lp::relpseudoobjval |
last reliable pseudo solution value
Definition at line 286 of file struct_lp.h.
Referenced by lpUpdateObjval(), recomputePseudoObjectiveValue(), recomputeSafePseudoObjectiveValue(), and SCIPlpRecomputeLocalAndGlobalPseudoObjval().
◆ rootlpobjval
| SCIP_Real SCIP_Lp::rootlpobjval |
objective value of root LP without loose variables, or SCIP_INVALID
Definition at line 287 of file struct_lp.h.
Referenced by SCIPlpGetRootColumnObjval(), SCIPlpGetRootObjval(), SCIPlpInvalidateRootObjval(), and SCIPlpStoreRootObjval().
◆ rootlooseobjval
| SCIP_Real SCIP_Lp::rootlooseobjval |
objective value of loose variables in root node, or SCIP_INVALID
Definition at line 288 of file struct_lp.h.
Referenced by SCIPlpGetRootLooseObjval(), SCIPlpGetRootObjval(), SCIPlpInvalidateRootObjval(), and SCIPlpStoreRootObjval().
◆ cutoffbound
| SCIP_Real SCIP_Lp::cutoffbound |
upper objective limit of LP (copy of primal->cutoffbound)
Definition at line 289 of file struct_lp.h.
Referenced by computeRelIntPoint(), lpSolve(), lpSolveStable(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPcolSetStrongbranchData(), SCIPconflictAnalyzePseudo(), SCIPconflictAnalyzeStrongbranch(), SCIPgetDualProof(), SCIPlpComputeRelIntPoint(), SCIPlpExactSolveAndEval(), SCIPlpFlush(), SCIPlpGetCutoffbound(), SCIPlpSetCutoffbound(), SCIPlpSolveAndEval(), SCIPtreeEndProbing(), solveNodeLP(), undoBdchgsDualfarkas(), and undoBdchgsDualsol().
◆ feastol
| SCIP_Real SCIP_Lp::feastol |
current feasibility tolerance
Definition at line 290 of file struct_lp.h.
Referenced by computeRelIntPoint(), lpSolveStable(), SCIPlpGetFeastol(), SCIPlpIsFeasEQ(), SCIPlpIsFeasGE(), SCIPlpIsFeasGT(), SCIPlpIsFeasLE(), SCIPlpIsFeasLT(), SCIPlpIsFeasNegative(), SCIPlpIsFeasPositive(), SCIPlpIsFeasZero(), and SCIPlpSetFeastol().
◆ lpiobjlim
| SCIP_Real SCIP_Lp::lpiobjlim |
current objective limit in LPI
Definition at line 291 of file struct_lp.h.
Referenced by conflictAnalyzeLP(), lpAdjustObjlimForExactSolve(), lpBarrier(), lpDualSimplex(), lpExactFlushAndSolve(), lpLexDualSimplex(), lpPrimalSimplex(), lpSetObjlim(), lpSolve(), SCIPlpExactSolveAndEval(), SCIPlpFlush(), SCIPlpSolveAndEval(), and SCIPrunBoundHeuristic().
◆ lpifeastol
| SCIP_Real SCIP_Lp::lpifeastol |
current feasibility tolerance in LPI
Definition at line 292 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpPrimalSimplex(), and lpSetFeastol().
◆ lpidualfeastol
| SCIP_Real SCIP_Lp::lpidualfeastol |
current reduced costs feasibility tolerance in LPI
Definition at line 293 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpPrimalSimplex(), and lpSetDualfeastol().
◆ lpibarrierconvtol
| SCIP_Real SCIP_Lp::lpibarrierconvtol |
current convergence tolerance used in barrier algorithm in LPI
Definition at line 294 of file struct_lp.h.
Referenced by lpBarrier(), and lpSetBarrierconvtol().
◆ lpiconditionlimit
| SCIP_Real SCIP_Lp::lpiconditionlimit |
current condition number limit in LPI
Definition at line 295 of file struct_lp.h.
Referenced by lpSetConditionLimit().
◆ lpimarkowitz
| SCIP_Real SCIP_Lp::lpimarkowitz |
current markowitz threshold
Definition at line 296 of file struct_lp.h.
Referenced by lpSetMarkowitz().
◆ objsqrnorm
| SCIP_Real SCIP_Lp::objsqrnorm |
squared Euclidean norm of objective function vector of problem variables
Definition at line 297 of file struct_lp.h.
Referenced by lpUpdateObjNorms(), SCIPlpGetObjNorm(), SCIPlpRecalculateObjSqrNorm(), and SCIProwGetObjParallelism().
◆ objsumnorm
| SCIP_Real SCIP_Lp::objsumnorm |
sum norm of objective function vector of problem variables
Definition at line 298 of file struct_lp.h.
Referenced by lpUpdateObjNorms().
◆ degeneracy
| SCIP_Real SCIP_Lp::degeneracy |
share of degenerate non-basic variables in the current LP
Definition at line 299 of file struct_lp.h.
Referenced by SCIPlpGetDualDegeneracy().
◆ varconsratio
| SCIP_Real SCIP_Lp::varconsratio |
variable-constraint ratio of the optimal face
Definition at line 300 of file struct_lp.h.
Referenced by SCIPlpGetDualDegeneracy().
◆ lpi
| SCIP_LPI* SCIP_Lp::lpi |
LP solver interface
Definition at line 301 of file struct_lp.h.
Referenced by ignoreInstability(), lpAdjustObjlimForExactSolve(), lpAlgorithm(), lpBarrier(), lpCheckIntpar(), lpCheckRealpar(), lpCopyIntegrality(), lpDelColset(), lpDelRowset(), lpDualSimplex(), lpExactFlushAndSolve(), lpFlushAddCols(), lpFlushAddRows(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpFlushDelRows(), lpLexDualSimplex(), lpPrimalSimplex(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSetFeastol(), lpSetIntpar(), lpSetObjlim(), lpSetRealpar(), lpSolve(), lpSolveStable(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPconflictAnalyzePseudo(), SCIPconflictAnalyzeStrongbranch(), SCIPlpEndStrongbranch(), SCIPlpFlush(), SCIPlpFreeNorms(), SCIPlpFreeState(), SCIPlpGetBase(), SCIPlpGetBasisInd(), SCIPlpGetBInvACol(), SCIPlpGetBInvARow(), SCIPlpGetBInvCol(), SCIPlpGetBInvRow(), SCIPlpGetDualfarkas(), SCIPlpGetIterations(), SCIPlpGetLPI(), SCIPlpGetNorms(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetState(), SCIPlpGetUnboundedSol(), SCIPlpInterrupt(), SCIPlpMarkFlushed(), SCIPlpSetNorms(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpStartStrongbranch(), SCIPlpWrite(), SCIPtreeEndProbing(), and updateLazyBounds().
◆ lpicols
| SCIP_COL** SCIP_Lp::lpicols |
array with columns currently stored in the LP solver
Definition at line 302 of file struct_lp.h.
Referenced by ensureLpicolsSize(), lpCleanupCols(), lpDelColset(), lpFlushAddCols(), lpFlushDelCols(), lpRemoveObsoleteCols(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetSol(), SCIPlpGetDualfarkas(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetUnboundedSol(), SCIPlpMarkFlushed(), and SCIPlpUpdateAges().
◆ lpirows
| SCIP_ROW** SCIP_Lp::lpirows |
array with rows currently stored in the LP solver
Definition at line 303 of file struct_lp.h.
Referenced by addLocalRows(), ensureLpirowsSize(), lpCleanupRows(), lpDelRowset(), lpFlushAddRows(), lpFlushDelRows(), lpRemoveObsoleteRows(), SCIPgetDualProof(), SCIPgetFarkasProof(), SCIPlpExactGetDualfarkas(), SCIPlpGetDualfarkas(), SCIPlpGetSol(), SCIPlpGetUnboundedSol(), SCIPlpMarkFlushed(), SCIPlpRemoveRedundantRows(), and SCIPlpUpdateAges().
◆ chgcols
| SCIP_COL** SCIP_Lp::chgcols |
array of changed columns not yet applied to the LP solver
Definition at line 304 of file struct_lp.h.
Referenced by ensureChgcolsSize(), insertColChgcols(), lpFlushChgCols(), and SCIPlpMarkFlushed().
◆ chgrows
| SCIP_ROW** SCIP_Lp::chgrows |
array of changed rows not yet applied to the LP solver
Definition at line 305 of file struct_lp.h.
Referenced by ensureChgrowsSize(), lpFlushChgRows(), rowSideChanged(), and SCIPlpMarkFlushed().
◆ cols
| SCIP_COL** SCIP_Lp::cols |
array with current LP columns in correct order
Definition at line 306 of file struct_lp.h.
Referenced by checkLazyColArray(), computeRelIntPoint(), ensureColsSize(), lpCleanupCols(), lpCopyIntegrality(), lpDelColset(), lpFlushAddCols(), lpFlushDelCols(), lpRemoveObsoleteCols(), provedBound(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPcolInvalidateStrongbranchData(), SCIPcolSetStrongbranchData(), SCIPconflictAnalyzeLP(), SCIPlpAddCol(), SCIPlpEndDive(), SCIPlpGetCols(), SCIPlpGetDualDegeneracy(), SCIPlpGetNewcols(), SCIPlpGetNUnfixedCols(), SCIPlpMarkFlushed(), SCIPlpRecalculateObjSqrNorm(), SCIPlpShrinkCols(), SCIPlpStartDive(), SCIPlpUpdateAges(), SCIPlpWriteMip(), and SCIProwGetLPSolCutoffDistance().
◆ lazycols
| SCIP_COL** SCIP_Lp::lazycols |
array with current LP lazy columns
Definition at line 307 of file struct_lp.h.
Referenced by checkLazyBounds(), checkLazyColArray(), ensureLazycolsSize(), lpDelColset(), SCIPlpAddCol(), SCIPlpShrinkCols(), and updateLazyBounds().
◆ rows
| SCIP_ROW** SCIP_Lp::rows |
array with current LP rows in correct order
Definition at line 308 of file struct_lp.h.
Referenced by computeRelIntPoint(), ensureRowsSize(), lpCleanupRows(), lpDelRowset(), lpFlushAddRows(), lpFlushDelRows(), lpRemoveObsoleteRows(), provedBound(), SCIPconflictAnalyzeLP(), SCIPconstructCurrentLP(), SCIPlpAddRow(), SCIPlpEndDive(), SCIPlpExactSyncLPs(), SCIPlpGetDualDegeneracy(), SCIPlpGetNewrows(), SCIPlpGetRows(), SCIPlpMarkFlushed(), SCIPlpRemoveRedundantRows(), SCIPlpShrinkRows(), SCIPlpStartDive(), SCIPlpSumRows(), SCIPlpUpdateAges(), and SCIPlpWriteMip().
◆ lpexact
| SCIP_LPEXACT* SCIP_Lp::lpexact |
pointer to exact rational lp, or null if in normal fp soliving mode
Definition at line 309 of file struct_lp.h.
Referenced by addCurrentSolution(), applyBounding(), boundchgApplyExact(), priceAndCutLoop(), primalAddSol(), probScaleObjExact(), propAndSolve(), SCIPboundchgUndo(), SCIPeventProcess(), SCIPlpEndDive(), SCIPlpExactCreate(), SCIPlpSetCutoffbound(), SCIPlpSolveAndEval(), SCIPnodeAddBoundinfer(), SCIPnodeUpdateLowerboundLP(), SCIPpricestoreApplyVars(), SCIPprimalAddSol(), SCIPprobAddVar(), SCIProwFree(), SCIPsepastoreApplyCuts(), SCIPtreeEndProbing(), SCIPvarAggregateExact(), SCIPvarFixExact(), solveNode(), solveNodeLP(), and varUpdateAggregationBoundsExact().
◆ soldirection
| SCIP_Real* SCIP_Lp::soldirection |
normalized vector in direction of primal solution from current LP solution
Definition at line 310 of file struct_lp.h.
Referenced by ensureSoldirectionSize(), and SCIProwGetLPSolCutoffDistance().
◆ divelpistate
| SCIP_LPISTATE* SCIP_Lp::divelpistate |
stores LPI state (basis information) before diving starts
Definition at line 311 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ divechgsides
| SCIP_Real* SCIP_Lp::divechgsides |
stores the lhs/rhs changed in the current diving
Definition at line 312 of file struct_lp.h.
Referenced by allocDiveChgSideArrays(), freeDiveChgSideArrays(), reallocDiveChgSideArrays(), SCIPlpEndDive(), and SCIPlpRecordOldRowSideDive().
◆ divechgsidetypes
| SCIP_SIDETYPE* SCIP_Lp::divechgsidetypes |
stores the side type of the changes done in the current diving
Definition at line 313 of file struct_lp.h.
Referenced by allocDiveChgSideArrays(), freeDiveChgSideArrays(), reallocDiveChgSideArrays(), SCIPlpEndDive(), and SCIPlpRecordOldRowSideDive().
◆ divechgrows
| SCIP_ROW** SCIP_Lp::divechgrows |
stores the rows changed in the current diving
Definition at line 314 of file struct_lp.h.
Referenced by allocDiveChgSideArrays(), freeDiveChgSideArrays(), reallocDiveChgSideArrays(), SCIPlpEndDive(), and SCIPlpRecordOldRowSideDive().
◆ storedsolvals
| SCIP_LPSOLVALS* SCIP_Lp::storedsolvals |
collected values of the LP data which depend on the LP solution
Definition at line 315 of file struct_lp.h.
Referenced by lpRestoreSolVals(), lpStoreSolVals(), SCIPlpEndDive(), and SCIPlpStartDive().
◆ validsoldirsol
| SCIP_SOL* SCIP_Lp::validsoldirsol |
primal solution for which the currently stored solution direction vector is valid
Definition at line 316 of file struct_lp.h.
Referenced by SCIPlpReset(), and SCIProwGetLPSolCutoffDistance().
◆ validsollp
| SCIP_Longint SCIP_Lp::validsollp |
LP number for which the currently stored solution values are valid
Definition at line 317 of file struct_lp.h.
Referenced by lpBarrier(), lpCleanupCols(), lpCleanupRows(), lpDualSimplex(), lpExactFlushAndSolve(), lpLexDualSimplex(), lpPrimalSimplex(), lpRestoreSolVals(), SCIPcolGetFeasibility(), SCIPcolGetRedcost(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPlpGetSol(), SCIPlpGetUnboundedSol(), SCIPlpRemoveRedundantRows(), SCIPlpReset(), SCIPlpStartDive(), SCIPlpUpdateAges(), SCIProwExactGetLPActivity(), and SCIProwGetLPActivity().
◆ validfarkaslp
| SCIP_Longint SCIP_Lp::validfarkaslp |
LP number for which the currently stored Farkas row multipliers are valid
Definition at line 318 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpRestoreSolVals(), SCIPcolGetFarkasCoef(), SCIPlpGetDualfarkas(), and SCIPlpReset().
◆ validsoldirlp
| SCIP_Longint SCIP_Lp::validsoldirlp |
LP number for which the currently stored solution direction vector is valid
Definition at line 319 of file struct_lp.h.
Referenced by SCIPlpReset(), and SCIProwGetLPSolCutoffDistance().
◆ validdegeneracylp
| SCIP_Longint SCIP_Lp::validdegeneracylp |
LP number for which the currently stored degeneracy information is valid
Definition at line 320 of file struct_lp.h.
Referenced by lpRestoreSolVals(), SCIPlpGetDualDegeneracy(), and SCIPlpReset().
◆ divenolddomchgs
| SCIP_Longint SCIP_Lp::divenolddomchgs |
number of domain changes before diving has started
Definition at line 321 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ lpicolssize
| int SCIP_Lp::lpicolssize |
available slots in lpicols vector
Definition at line 322 of file struct_lp.h.
Referenced by ensureLpicolsSize().
◆ nlpicols
| int SCIP_Lp::nlpicols |
number of columns in the LP solver
Definition at line 323 of file struct_lp.h.
Referenced by coefChanged(), ensureLpicolsSize(), lpCleanupCols(), lpCleanupRows(), lpDelColset(), lpFlushAddCols(), lpFlushDelCols(), lpLexDualSimplex(), lpRemoveObsoleteCols(), SCIPconflictAnalyzeStrongbranch(), SCIPlpFlush(), SCIPlpGetDualfarkas(), SCIPlpGetNorms(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetState(), SCIPlpGetUnboundedSol(), SCIPlpMarkFlushed(), SCIPlpRemoveRedundantRows(), SCIPlpUpdateAges(), and SCIPtreeEndProbing().
◆ lpifirstchgcol
| int SCIP_Lp::lpifirstchgcol |
first column of the LP which differs from the column in the LP solver
Definition at line 324 of file struct_lp.h.
Referenced by coefChanged(), lpDelColset(), lpFlushAddCols(), lpFlushDelCols(), SCIPlpFlush(), SCIPlpMarkFlushed(), and SCIPlpShrinkCols().
◆ lpirowssize
| int SCIP_Lp::lpirowssize |
available slots in lpirows vector
Definition at line 325 of file struct_lp.h.
Referenced by ensureLpirowsSize().
◆ nlpirows
| int SCIP_Lp::nlpirows |
number of rows in the LP solver
Definition at line 326 of file struct_lp.h.
Referenced by coefChanged(), ensureLpirowsSize(), lpCleanupRows(), lpDelRowset(), lpFlushAddRows(), lpFlushDelRows(), lpLexDualSimplex(), lpRemoveObsoleteRows(), SCIPconflictAnalyzeStrongbranch(), SCIPgetDualProof(), SCIPgetFarkasProof(), SCIPlpFlush(), SCIPlpGetDualfarkas(), SCIPlpGetNorms(), SCIPlpGetSol(), SCIPlpGetState(), SCIPlpGetUnboundedSol(), SCIPlpMarkFlushed(), SCIPlpRemoveRedundantRows(), SCIPlpUpdateAges(), and SCIPtreeEndProbing().
◆ lpifirstchgrow
| int SCIP_Lp::lpifirstchgrow |
first row of the LP which differs from the row in the LP solver
Definition at line 327 of file struct_lp.h.
Referenced by coefChanged(), lpDelRowset(), lpFlushAddRows(), lpFlushDelRows(), SCIPlpFlush(), SCIPlpMarkFlushed(), and SCIPlpShrinkRows().
◆ chgcolssize
| int SCIP_Lp::chgcolssize |
available slots in chgcols vector
Definition at line 328 of file struct_lp.h.
Referenced by ensureChgcolsSize().
◆ nchgcols
| int SCIP_Lp::nchgcols |
current number of chgcols (number of used slots in chgcols vector)
Definition at line 329 of file struct_lp.h.
Referenced by ensureChgcolsSize(), insertColChgcols(), lpDelColset(), lpFlushChgCols(), SCIPcolChgLb(), SCIPcolChgObj(), SCIPcolChgUb(), SCIPlpFlush(), and SCIPlpMarkFlushed().
◆ chgrowssize
| int SCIP_Lp::chgrowssize |
available slots in chgrows vector
Definition at line 330 of file struct_lp.h.
Referenced by ensureChgrowsSize().
◆ nchgrows
| int SCIP_Lp::nchgrows |
current number of chgrows (number of used slots in chgrows vector)
Definition at line 331 of file struct_lp.h.
Referenced by ensureChgrowsSize(), lpDelRowset(), lpFlushChgRows(), rowSideChanged(), SCIPlpFlush(), and SCIPlpMarkFlushed().
◆ colssize
| int SCIP_Lp::colssize |
available slots in cols vector
Definition at line 332 of file struct_lp.h.
Referenced by ensureColsSize().
◆ soldirectionsize
| int SCIP_Lp::soldirectionsize |
available slots in soldirection vector
Definition at line 333 of file struct_lp.h.
Referenced by ensureSoldirectionSize().
◆ ncols
| int SCIP_Lp::ncols |
current number of LP columns (number of used slots in cols vector)
Definition at line 334 of file struct_lp.h.
Referenced by checkLazyColArray(), computeRelIntPoint(), ensureColsSize(), lpBarrier(), lpCleanupCols(), lpCleanupRows(), lpCopyIntegrality(), lpDelColset(), lpDualSimplex(), lpExactInSync(), lpFlushAddCols(), lpFlushChgCols(), lpFlushDelCols(), lpLexDualSimplex(), lpPrimalSimplex(), lpRemoveObsoleteCols(), provedBound(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPcolInvalidateStrongbranchData(), SCIPcolSetStrongbranchData(), SCIPconflictAnalyzeLP(), SCIPlpAddCol(), SCIPlpAddRow(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpComputeRelIntPoint(), SCIPlpEndDive(), SCIPlpExactSolveAndEval(), SCIPlpFlush(), SCIPlpGetDualDegeneracy(), SCIPlpGetNCols(), SCIPlpGetNewcols(), SCIPlpGetNNewcols(), SCIPlpGetNUnfixedCols(), SCIPlpMarkFlushed(), SCIPlpMarkSize(), SCIPlpRecalculateObjSqrNorm(), SCIPlpRemoveAllObsoletes(), SCIPlpRemoveNewObsoletes(), SCIPlpRemoveRedundantRows(), SCIPlpShrinkCols(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpUpdateAges(), SCIPlpWriteMip(), SCIProwGetLPSolCutoffDistance(), and treeBacktrackProbing().
◆ lazycolssize
| int SCIP_Lp::lazycolssize |
available slots in lazycols vector
Definition at line 335 of file struct_lp.h.
Referenced by ensureLazycolsSize().
◆ nlazycols
| int SCIP_Lp::nlazycols |
current number of LP lazy columns (number of used slots in lazycols vector)
Definition at line 336 of file struct_lp.h.
Referenced by checkLazyBounds(), checkLazyColArray(), ensureLazycolsSize(), lpDelColset(), SCIPlpAddCol(), SCIPlpEndDive(), SCIPlpShrinkCols(), SCIPlpSolveAndEval(), and updateLazyBounds().
◆ nremovablecols
| int SCIP_Lp::nremovablecols |
number of removable columns in the LP
Definition at line 337 of file struct_lp.h.
Referenced by initLP(), lpCleanupCols(), lpDelColset(), lpRemoveObsoleteCols(), SCIPlpAddCol(), and SCIPlpShrinkCols().
◆ firstnewcol
| int SCIP_Lp::firstnewcol |
first column added at the current node
Definition at line 338 of file struct_lp.h.
Referenced by SCIPlpCleanupNew(), SCIPlpGetNewcols(), SCIPlpGetNNewcols(), SCIPlpMarkSize(), SCIPlpRemoveNewObsoletes(), SCIPlpSetSizeMark(), and treeCreateProbingNode().
◆ rowssize
| int SCIP_Lp::rowssize |
available slots in rows vector
Definition at line 339 of file struct_lp.h.
Referenced by ensureRowsSize().
◆ nrows
| int SCIP_Lp::nrows |
current number of LP rows (number of used slots in rows vector)
Definition at line 340 of file struct_lp.h.
Referenced by computeRelIntPoint(), ensureRowsSize(), lpBarrier(), lpCleanupRows(), lpDelRowset(), lpDualSimplex(), lpExactInSync(), lpFlushAddRows(), lpFlushChgRows(), lpFlushDelRows(), lpLexDualSimplex(), lpPrimalSimplex(), lpRemoveObsoleteRows(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSetFeastol(), provedBound(), SCIPconflictAnalyzeLP(), SCIPlpAddCol(), SCIPlpAddRow(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpComputeRelIntPoint(), SCIPlpEndDive(), SCIPlpFlush(), SCIPlpGetDualDegeneracy(), SCIPlpGetNewrows(), SCIPlpGetNNewrows(), SCIPlpGetNRows(), SCIPlpMarkFlushed(), SCIPlpMarkSize(), SCIPlpRemoveAllObsoletes(), SCIPlpRemoveNewObsoletes(), SCIPlpRemoveRedundantRows(), SCIPlpShrinkRows(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpSumRows(), SCIPlpUpdateAges(), SCIPlpWriteMip(), and treeBacktrackProbing().
◆ nremovablerows
| int SCIP_Lp::nremovablerows |
number of removable rows in the LP
Definition at line 341 of file struct_lp.h.
Referenced by initLP(), lpCleanupRows(), lpDelRowset(), lpRemoveObsoleteRows(), SCIPlpAddRow(), and SCIPlpShrinkRows().
◆ firstnewrow
| int SCIP_Lp::firstnewrow |
first row added at the current node
Definition at line 342 of file struct_lp.h.
Referenced by SCIPlpCleanupNew(), SCIPlpGetNewrows(), SCIPlpGetNNewrows(), SCIPlpMarkSize(), SCIPlpRemoveNewObsoletes(), SCIPlpRemoveRedundantRows(), SCIPlpSetSizeMark(), and treeCreateProbingNode().
◆ looseobjvalinf
| int SCIP_Lp::looseobjvalinf |
number of loose variables with infinite best bound in current solution
Definition at line 343 of file struct_lp.h.
Referenced by computeRelIntPoint(), getFiniteLooseObjval(), lpSolveStable(), lpUpdateObjval(), lpUpdateVarColumn(), lpUpdateVarColumnProved(), lpUpdateVarLoose(), lpUpdateVarLooseProved(), lpUpdateVarProved(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPlpComputeRelIntPoint(), SCIPlpDecNLoosevars(), SCIPlpGetLooseObjval(), SCIPlpGetObjval(), and solveNode().
◆ nloosevars
| int SCIP_Lp::nloosevars |
number of loose variables in LP
Definition at line 344 of file struct_lp.h.
Referenced by getFiniteLooseObjval(), lpUpdateVarColumn(), lpUpdateVarColumnProved(), lpUpdateVarLoose(), lpUpdateVarLooseProved(), SCIPlpDecNLoosevars(), SCIPlpGetLooseObjval(), SCIPlpGetObjval(), and SCIPlpUpdateAddVar().
◆ glbpseudoobjvalinf
| int SCIP_Lp::glbpseudoobjvalinf |
number of variables with infinite best bound in global pseudo solution
Definition at line 345 of file struct_lp.h.
Referenced by lpUpdateObjval(), lpUpdateVarProved(), SCIPlpGetGlobalPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPlpUpdateVarObj().
◆ pseudoobjvalinf
| int SCIP_Lp::pseudoobjvalinf |
number of variables with infinite best bound in current pseudo solution
Definition at line 346 of file struct_lp.h.
Referenced by lpGetModifiedPseudoObjvalExact(), lpUpdateObjval(), lpUpdateVarProved(), SCIPlpGetModifiedPseudoObjval(), SCIPlpGetPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPlpUpdateVarObj().
◆ ndivingrows
| int SCIP_Lp::ndivingrows |
number of rows when entering diving mode
Definition at line 347 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ ndivechgsides
| int SCIP_Lp::ndivechgsides |
number of side changes in current diving
Definition at line 348 of file struct_lp.h.
Referenced by allocDiveChgSideArrays(), freeDiveChgSideArrays(), reallocDiveChgSideArrays(), SCIPlpDivingRowsChanged(), SCIPlpEndDive(), SCIPlpRecordOldRowSideDive(), and SCIPlpStartDive().
◆ divechgsidessize
| int SCIP_Lp::divechgsidessize |
size of the arrays
Definition at line 349 of file struct_lp.h.
Referenced by allocDiveChgSideArrays(), freeDiveChgSideArrays(), reallocDiveChgSideArrays(), and SCIPlpRecordOldRowSideDive().
◆ divinglpiitlim
| int SCIP_Lp::divinglpiitlim |
LPI iteration limit when entering diving mode
Definition at line 350 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ lpiitlim
| int SCIP_Lp::lpiitlim |
current iteration limit setting in LPI
Definition at line 351 of file struct_lp.h.
Referenced by conflictAnalyzeLP(), lpSetIterationLimit(), and SCIPrunBoundHeuristic().
◆ lpifastmip
| int SCIP_Lp::lpifastmip |
current FASTMIP setting in LPI
Definition at line 352 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpPrimalSimplex(), and lpSetFastmip().
◆ lpithreads
| int SCIP_Lp::lpithreads |
current THREADS setting in LPI
Definition at line 353 of file struct_lp.h.
Referenced by lpSetThreads().
◆ lpitiming
| int SCIP_Lp::lpitiming |
◆ lpirandomseed
| int SCIP_Lp::lpirandomseed |
current initial random seed in LPI
Definition at line 355 of file struct_lp.h.
Referenced by lpSetRandomseed().
◆ lpiscaling
| int SCIP_Lp::lpiscaling |
current SCALING setting in LPI
Definition at line 356 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpPrimalSimplex(), and lpSetScaling().
◆ lpirefactorinterval
| int SCIP_Lp::lpirefactorinterval |
current refactorization interval
Definition at line 357 of file struct_lp.h.
Referenced by lpSetRefactorInterval().
◆ lpipricing
| SCIP_PRICING SCIP_Lp::lpipricing |
current pricing setting in LPI
Definition at line 358 of file struct_lp.h.
Referenced by lpSetPricing().
◆ lpsolstat
| SCIP_LPSOLSTAT SCIP_Lp::lpsolstat |
solution status of last LP solution
Definition at line 359 of file struct_lp.h.
Referenced by lpAdjustObjlimForExactSolve(), lpDelColset(), lpDelRowset(), lpExactFlushAndSolve(), lpFlushAddCols(), lpFlushAddRows(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpFlushDelRows(), lpRestoreSolVals(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSetFeastol(), lpSetIterationLimit(), lpSetObjlim(), lpSolve(), lpStoreSolVals(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPconflictAnalyzeLP(), SCIPlpExactComputeSafeBound(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetSol(), SCIPlpExactSolveAndEval(), SCIPlpFlush(), SCIPlpGetDualfarkas(), SCIPlpGetPrimalRay(), SCIPlpGetSolstat(), SCIPlpGetUnboundedSol(), SCIPlpReset(), SCIPlpSetCutoffbound(), SCIPlpSetFeastol(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPnodeUpdateLowerboundLP(), SCIPprobUpdateBestRootSol(), SCIPrunBoundHeuristic(), and SCIPtreeEndProbing().
◆ lastlpalgo
| SCIP_LPALGO SCIP_Lp::lastlpalgo |
algorithm used for last LP solve
Definition at line 360 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpSetBarrierconvtol(), lpSolve(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpGetSol(), SCIPlpReset(), and SCIPlpSolveAndEval().
◆ objsqrnormunreliable
| SCIP_Bool SCIP_Lp::objsqrnormunreliable |
is squared Euclidean norm of objective function vector of problem variables unreliable and need recalculation?
Definition at line 361 of file struct_lp.h.
Referenced by lpUpdateObjNorms(), SCIPlpGetObjNorm(), SCIPlpRecalculateObjSqrNorm(), and SCIProwGetObjParallelism().
◆ lpisolutionpolishing
| SCIP_Bool SCIP_Lp::lpisolutionpolishing |
LP solution polishing method (0: disabled, 1: enabled)
Definition at line 363 of file struct_lp.h.
Referenced by lpSetSolutionPolishing().
◆ looseobjvalid
| SCIP_Bool SCIP_Lp::looseobjvalid |
is the loose objective value valid or should it be recomputed from scratch?
Definition at line 364 of file struct_lp.h.
Referenced by getFiniteLooseObjval(), lpUpdateObjval(), recomputeLooseObjectiveValue(), recomputeSafeLooseObjectiveValue(), and SCIPlpGetObjval().
◆ glbpseudoobjvalid
| SCIP_Bool SCIP_Lp::glbpseudoobjvalid |
is the global pseudo solution value valid or should it be recomputed from scratch?
Definition at line 365 of file struct_lp.h.
Referenced by lpUpdateObjval(), recomputeGlbPseudoObjectiveValue(), SCIPlpGetGlobalPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPtreeEndProbing().
◆ pseudoobjvalid
| SCIP_Bool SCIP_Lp::pseudoobjvalid |
is the pseudo solution value valid or should it be recomputed from scratch?
Definition at line 366 of file struct_lp.h.
Referenced by getFinitePseudoObjval(), lpUpdateObjval(), recomputePseudoObjectiveValue(), recomputeSafePseudoObjectiveValue(), SCIPlpGetPseudoObjval(), SCIPlpRecomputeLocalAndGlobalPseudoObjval(), and SCIPtreeEndProbing().
◆ flushdeletedcols
| SCIP_Bool SCIP_Lp::flushdeletedcols |
have LPI-columns been deleted in the last lpFlush() call?
Definition at line 367 of file struct_lp.h.
Referenced by lpFlushAndSolve(), lpFlushDelCols(), SCIPlpFlush(), and SCIPlpSolveAndEval().
◆ flushaddedcols
| SCIP_Bool SCIP_Lp::flushaddedcols |
have LPI-columns been added in the last lpFlush() call?
Definition at line 368 of file struct_lp.h.
Referenced by lpFlushAddCols(), lpFlushAndSolve(), SCIPlpFlush(), and SCIPlpSolveAndEval().
◆ flushdeletedrows
| SCIP_Bool SCIP_Lp::flushdeletedrows |
have LPI-rows been deleted in the last lpFlush() call?
Definition at line 369 of file struct_lp.h.
Referenced by lpFlushDelRows(), and SCIPlpFlush().
◆ flushaddedrows
| SCIP_Bool SCIP_Lp::flushaddedrows |
have LPI-rows been added in the last lpFlush() call?
Definition at line 370 of file struct_lp.h.
Referenced by lpFlushAddRows(), and SCIPlpFlush().
◆ updateintegrality
| SCIP_Bool SCIP_Lp::updateintegrality |
does integrality information need to be updated?
Definition at line 371 of file struct_lp.h.
Referenced by lpCopyIntegrality(), lpFlushAddCols(), lpFlushDelCols(), and lpSolveStable().
◆ flushed
| SCIP_Bool SCIP_Lp::flushed |
are all cached changes applied to the LP solver?
Definition at line 372 of file struct_lp.h.
Referenced by checkLazyBounds(), coefChanged(), conflictAnalyzeLP(), enforceConstraints(), focusnodeToFork(), forkCreate(), getFiniteLooseObjval(), insertColChgcols(), lpAlgorithm(), lpBarrier(), lpCleanupCols(), lpCleanupRows(), lpDelColset(), lpDelRowset(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpRemoveObsoleteCols(), lpRemoveObsoleteRows(), lpSolve(), lpSolveStable(), priceAndCutLoop(), probingnodeUpdate(), propAndSolve(), rowSideChanged(), SCIPcolChgLb(), SCIPcolChgObj(), SCIPcolChgUb(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPconflictAnalyzeLP(), SCIPconflictAnalyzeStrongbranch(), SCIPgetDualProof(), SCIPgetFarkasProof(), SCIPlpAddCol(), SCIPlpAddRow(), SCIPlpEndDive(), SCIPlpFlush(), SCIPlpGetBase(), SCIPlpGetBasisInd(), SCIPlpGetBInvACol(), SCIPlpGetBInvARow(), SCIPlpGetBInvCol(), SCIPlpGetBInvRow(), SCIPlpGetColumnObjval(), SCIPlpGetDualDegeneracy(), SCIPlpGetDualfarkas(), SCIPlpGetLooseObjval(), SCIPlpGetNorms(), SCIPlpGetObjval(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetSolstat(), SCIPlpGetState(), SCIPlpGetUnboundedSol(), SCIPlpIsSolved(), SCIPlpMarkFlushed(), SCIPlpRemoveRedundantRows(), SCIPlpSetCutoffbound(), SCIPlpSetNorms(), SCIPlpSetState(), SCIPlpShrinkCols(), SCIPlpShrinkRows(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpUpdateAges(), SCIPnodeUpdateLowerboundLP(), SCIPpriceLoop(), SCIPsolveCIP(), SCIPtreeEndProbing(), SCIPtreeStartProbing(), separationRoundLP(), separationRoundResolveLP(), solveNode(), solveNodeInitialLP(), solveNodeLP(), undoBdchgsDualfarkas(), and undoBdchgsDualsol().
◆ solved
| SCIP_Bool SCIP_Lp::solved |
is current LP solved?
Definition at line 373 of file struct_lp.h.
Referenced by branchcandCalcLPCands(), branchcandCalcLPCandsExact(), conflictAnalyzeLP(), enforceConstraints(), focusnodeToFork(), forkCreate(), lpAdjustObjlimForExactSolve(), lpDelColset(), lpDelRowset(), lpExactFlushAndSolve(), lpFlushAddCols(), lpFlushAddRows(), lpFlushAndSolve(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpFlushDelRows(), lpRestoreSolVals(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSetFastmip(), lpSetFeastol(), lpSetIterationLimit(), lpSetObjlim(), lpSolve(), lpStoreSolVals(), priceAndCutLoop(), probingnodeUpdate(), propAndSolve(), provedBound(), SCIPcolGetStrongbranch(), SCIPcolGetStrongbranches(), SCIPconflictAnalyzeLP(), SCIPconflictAnalyzeStrongbranch(), SCIPgetDualProof(), SCIPgetFarkasProof(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpExactComputeSafeBound(), SCIPlpExactGetSol(), SCIPlpExactSolveAndEval(), SCIPlpFlush(), SCIPlpGetBase(), SCIPlpGetBasisInd(), SCIPlpGetBInvACol(), SCIPlpGetBInvARow(), SCIPlpGetBInvCol(), SCIPlpGetBInvRow(), SCIPlpGetColumnObjval(), SCIPlpGetDualDegeneracy(), SCIPlpGetDualfarkas(), SCIPlpGetLooseObjval(), SCIPlpGetNorms(), SCIPlpGetObjval(), SCIPlpGetPrimalRay(), SCIPlpGetSol(), SCIPlpGetSolstat(), SCIPlpGetState(), SCIPlpGetUnboundedSol(), SCIPlpIsSolved(), SCIPlpRemoveAllObsoletes(), SCIPlpRemoveNewObsoletes(), SCIPlpReset(), SCIPlpSetCutoffbound(), SCIPlpSetFeastol(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpUpdateAges(), SCIPpriceLoop(), SCIPpricestoreAddProbVars(), SCIPrunBoundHeuristic(), SCIPsolLinkLPSol(), SCIPsolveCIP(), SCIPtreeEndProbing(), SCIPtreeLoadLPState(), SCIPtreeStartProbing(), separationRoundLP(), separationRoundResolveLP(), solveNode(), solveNodeInitialLP(), solveNodeLP(), undoBdchgsDualfarkas(), undoBdchgsDualsol(), and updatePseudocost().
◆ primalfeasible
| SCIP_Bool SCIP_Lp::primalfeasible |
is current LP solution (rather LPI state) primal feasible?
Definition at line 374 of file struct_lp.h.
Referenced by forkCreate(), lpAdjustObjlimForExactSolve(), lpAlgorithm(), lpDelColset(), lpFlushAddRows(), lpFlushAndSolve(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpRestoreSolVals(), lpSetFeastol(), lpSetObjlim(), lpSolve(), lpStoreSolVals(), probingnodeUpdate(), SCIPconflictAnalyzeLP(), SCIPlpExactGetSol(), SCIPlpIsPrimalReliable(), SCIPlpReset(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPrunBoundHeuristic(), SCIPtreeEndProbing(), SCIPtreeLoadLPState(), and SCIPtreeStartProbing().
◆ primalchecked
| SCIP_Bool SCIP_Lp::primalchecked |
was current LP solution checked for primal feasibility??
Definition at line 375 of file struct_lp.h.
Referenced by forkCreate(), ignoreInstability(), lpAdjustObjlimForExactSolve(), lpDelColset(), lpFlushAddRows(), lpFlushChgCols(), lpFlushChgRows(), lpFlushDelCols(), lpRestoreSolVals(), lpSetFeastol(), lpSetObjlim(), lpStoreSolVals(), probingnodeUpdate(), SCIPconflictAnalyzeLP(), SCIPlpExactSolveAndEval(), SCIPlpIsPrimalReliable(), SCIPlpReset(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPrunBoundHeuristic(), SCIPtreeEndProbing(), SCIPtreeLoadLPState(), and SCIPtreeStartProbing().
◆ dualfeasible
| SCIP_Bool SCIP_Lp::dualfeasible |
is current LP solution (rather LPI state) dual feasible?
Definition at line 376 of file struct_lp.h.
Referenced by forkCreate(), ignoreInstability(), lpAlgorithm(), lpDelRowset(), lpFlushAddCols(), lpFlushAndSolve(), lpFlushChgCols(), lpFlushDelRows(), lpRestoreSolVals(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpSolve(), lpStoreSolVals(), probingnodeUpdate(), SCIPconflictAnalyzeLP(), SCIPlpExactGetSol(), SCIPlpIsDualReliable(), SCIPlpReset(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPrunBoundHeuristic(), SCIPtreeEndProbing(), SCIPtreeLoadLPState(), and SCIPtreeStartProbing().
◆ dualchecked
| SCIP_Bool SCIP_Lp::dualchecked |
was current LP solution checked for primal feasibility??
Definition at line 377 of file struct_lp.h.
Referenced by forkCreate(), lpDelRowset(), lpFlushAddCols(), lpFlushChgCols(), lpFlushDelRows(), lpRestoreSolVals(), lpSetBarrierconvtol(), lpSetDualfeastol(), lpStoreSolVals(), probingnodeUpdate(), SCIPconflictAnalyzeLP(), SCIPlpExactSolveAndEval(), SCIPlpIsDualReliable(), SCIPlpReset(), SCIPlpSetState(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPrunBoundHeuristic(), SCIPtreeEndProbing(), SCIPtreeLoadLPState(), and SCIPtreeStartProbing().
◆ solisbasic
| SCIP_Bool SCIP_Lp::solisbasic |
is current LP solution a basic solution?
Definition at line 378 of file struct_lp.h.
Referenced by lpBarrier(), lpCleanupCols(), lpCleanupRows(), lpDualSimplex(), lpFlushAndSolve(), lpLexDualSimplex(), lpPrimalSimplex(), lpRemoveObsoleteCols(), lpRemoveObsoleteRows(), lpRestoreSolVals(), lpStoreSolVals(), SCIPconflictAnalyzeLP(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpGetBase(), SCIPlpGetBasisInd(), SCIPlpGetBInvACol(), SCIPlpGetBInvARow(), SCIPlpGetBInvCol(), SCIPlpGetBInvRow(), SCIPlpGetSol(), SCIPlpIsSolBasic(), SCIPlpRemoveRedundantRows(), SCIPlpReset(), SCIPlpSetState(), SCIPtreeEndProbing(), and SCIPtreeLoadLPState().
◆ rootlpisrelax
| SCIP_Bool SCIP_Lp::rootlpisrelax |
is root LP a relaxation of the problem and its solution value a valid global lower bound?
Definition at line 379 of file struct_lp.h.
Referenced by SCIPlpIsRootLPRelax(), and SCIPlpSetRootLPIsRelax().
◆ isrelax
| SCIP_Bool SCIP_Lp::isrelax |
is the current LP a relaxation of the problem for which it has been solved and its solution value a valid local lower bound?
Definition at line 380 of file struct_lp.h.
Referenced by SCIPlpIsRelax(), SCIPlpSetIsRelax(), SCIPnodeFocus(), and SCIPtreeStartProbing().
◆ installing
| SCIP_Bool SCIP_Lp::installing |
whether the solution process is in stalling
Definition at line 382 of file struct_lp.h.
Referenced by lpAlgorithm(), and priceAndCutLoop().
◆ strongbranching
| SCIP_Bool SCIP_Lp::strongbranching |
whether the lp is used for strong branching
Definition at line 383 of file struct_lp.h.
Referenced by conflictAddConflictCons(), SCIPcolGetStrongbranch(), SCIPconflictAddConflictCon(), SCIPlpEndProbing(), SCIPlpEndStrongbranch(), SCIPlpEndStrongbranchProbing(), SCIPlpStartProbing(), SCIPlpStartStrongbranch(), SCIPlpStartStrongbranchProbing(), and tightenSingleVar().
◆ probing
| SCIP_Bool SCIP_Lp::probing |
are we currently in probing mode?
Definition at line 384 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpSolveStable(), SCIPeventProcess(), SCIPlpEndProbing(), SCIPlpEndStrongbranchProbing(), SCIPlpExactComputeSafeBound(), SCIPlpExactUpdateVarObj(), SCIPlpMarkDivingObjChanged(), SCIPlpSetCutoffbound(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpStartProbing(), SCIPlpStartStrongbranchProbing(), SCIPlpUnmarkDivingObjChanged(), and SCIPlpUpdateVarObj().
◆ strongbranchprobing
| SCIP_Bool SCIP_Lp::strongbranchprobing |
are we currently in probing mode for strong branching?
Definition at line 385 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpSolveStable(), SCIPcolInvalidateStrongbranchData(), SCIPcolSetStrongbranchData(), SCIPlpEndProbing(), SCIPlpEndStrongbranchProbing(), SCIPlpExactComputeSafeBound(), SCIPlpStartProbing(), and SCIPlpStartStrongbranchProbing().
◆ diving
| SCIP_Bool SCIP_Lp::diving |
LP is used for diving: col bounds and obj don't correspond to variables
Definition at line 386 of file struct_lp.h.
Referenced by conflictAddConflictCons(), lpBarrier(), lpCleanupCols(), lpCleanupRows(), lpDelColset(), lpDelRowset(), lpDualSimplex(), lpExactFlushDelCols(), lpFlushAddCols(), lpFlushDelCols(), lpLexDualSimplex(), lpPrimalSimplex(), lpRemoveObsoleteCols(), lpRemoveObsoleteRows(), lpSolveStable(), SCIPcertificateUpdateBranchingData(), SCIPcolAddCoef(), SCIPcolChgCoef(), SCIPcolDelCoef(), SCIPcolExactChgCoef(), SCIPcolExactIncCoef(), SCIPcolIncCoef(), SCIPconflictAddConflictCon(), SCIPlpAddCol(), SCIPlpCleanupAll(), SCIPlpCleanupNew(), SCIPlpClear(), SCIPlpDiving(), SCIPlpDivingRowsChanged(), SCIPlpEndDive(), SCIPlpExactAddCol(), SCIPlpExactClear(), SCIPlpExactComputeSafeBound(), SCIPlpExactShrinkCols(), SCIPlpExactStartDive(), SCIPlpMarkDivingObjChanged(), SCIPlpMarkSize(), SCIPlpRemoveAllObsoletes(), SCIPlpRemoveNewObsoletes(), SCIPlpRemoveRedundantRows(), SCIPlpSetCutoffbound(), SCIPlpSetSizeMark(), SCIPlpShrinkCols(), SCIPlpSolveAndEval(), SCIPlpStartDive(), SCIPlpUnmarkDivingObjChanged(), SCIProwAddCoef(), SCIProwAddConstant(), SCIProwChgCoef(), SCIProwChgConstant(), SCIProwChgLhs(), SCIProwChgRhs(), SCIProwDelCoef(), SCIProwExactAddCoef(), SCIProwExactAddConstant(), SCIProwExactChgCoef(), SCIProwExactChgConstant(), SCIProwExactDelCoef(), SCIProwExactIncCoef(), SCIProwIncCoef(), and updateLazyBounds().
◆ divingobjchg
| SCIP_Bool SCIP_Lp::divingobjchg |
objective values were changed in diving or probing: LP objective is invalid
Definition at line 387 of file struct_lp.h.
Referenced by SCIPcolChgObj(), SCIPeventProcess(), SCIPlpDivingObjChanged(), SCIPlpEndDive(), SCIPlpMarkDivingObjChanged(), SCIPlpUnmarkDivingObjChanged(), SCIPtreeEndProbing(), SCIPtreeStartProbing(), SCIPvarAddObj(), SCIPvarAddObjExact(), SCIPvarChgObj(), and SCIPvarChgObjExact().
◆ divinglazyapplied
| SCIP_Bool SCIP_Lp::divinglazyapplied |
lazy bounds were applied to the LP during diving
Definition at line 388 of file struct_lp.h.
Referenced by SCIPlpEndDive(), SCIPlpSolveAndEval(), and updateLazyBounds().
◆ resolvelperror
| SCIP_Bool SCIP_Lp::resolvelperror |
an error occurred during resolving the LP after diving or probing
Definition at line 389 of file struct_lp.h.
Referenced by focusnodeToFork(), priceAndCutLoop(), propAndSolve(), SCIPlpEndDive(), SCIPnodeFocus(), SCIPprimalHeuristics(), SCIPtreeEndProbing(), and solveNode().
◆ adjustlpval
| SCIP_Bool SCIP_Lp::adjustlpval |
does an infinite LP objective value has been adjusted so far?
Definition at line 390 of file struct_lp.h.
Referenced by adjustLPobjval().
◆ lpifromscratch
| SCIP_Bool SCIP_Lp::lpifromscratch |
current FROMSCRATCH setting in LPI
Definition at line 391 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpLexDualSimplex(), lpPrimalSimplex(), lpSetFromscratch(), and SCIPlpSolveAndEval().
◆ lpipresolving
| SCIP_Bool SCIP_Lp::lpipresolving |
current PRESOLVING setting in LPI
Definition at line 392 of file struct_lp.h.
Referenced by lpBarrier(), lpDualSimplex(), lpPrimalSimplex(), and lpSetPresolving().
◆ lpilpinfo
| SCIP_Bool SCIP_Lp::lpilpinfo |
current LPINFO setting in LPI
Definition at line 393 of file struct_lp.h.
Referenced by lpSetLPInfo().
◆ lpihasfeastol
| SCIP_Bool SCIP_Lp::lpihasfeastol |
does the LPI support the FEASTOL parameter?
Definition at line 394 of file struct_lp.h.
◆ lpihasdualfeastol
| SCIP_Bool SCIP_Lp::lpihasdualfeastol |
does the LPI support the DUALFEASTOL parameter?
Definition at line 395 of file struct_lp.h.
◆ lpihasbarrierconvtol
| SCIP_Bool SCIP_Lp::lpihasbarrierconvtol |
does the LPI support the BARRIERCONVTOL parameter?
Definition at line 396 of file struct_lp.h.
◆ lpihasfastmip
| SCIP_Bool SCIP_Lp::lpihasfastmip |
does the LPI support the FASTMIP parameter?
Definition at line 397 of file struct_lp.h.
Referenced by SCIPlpSolveAndEval().
◆ lpihasscaling
| SCIP_Bool SCIP_Lp::lpihasscaling |
does the LPI support the SCALING parameter?
Definition at line 398 of file struct_lp.h.
◆ lpihaspresolving
| SCIP_Bool SCIP_Lp::lpihaspresolving |
does the LPI support the PRESOLVING parameter?
Definition at line 399 of file struct_lp.h.
◆ lpihasrowrep
| SCIP_Bool SCIP_Lp::lpihasrowrep |
does the LPI support row representation of a simplex basis?
Definition at line 400 of file struct_lp.h.
◆ lpihaspolishing
| SCIP_Bool SCIP_Lp::lpihaspolishing |
does the LPI support solution polishing?
Definition at line 401 of file struct_lp.h.
Referenced by lpSolveStable().
◆ lpihasrefactor
| SCIP_Bool SCIP_Lp::lpihasrefactor |
does the LPI support changing the refactorization interval?
Definition at line 402 of file struct_lp.h.
◆ lpirowrepswitch
| SCIP_Real SCIP_Lp::lpirowrepswitch |
simplex algorithm shall use row representation of the basis if number of rows divided by number of columns exceeds this value
Definition at line 403 of file struct_lp.h.
Referenced by lpSetRowrepswitch().
◆ divelpwasprimfeas
| SCIP_Bool SCIP_Lp::divelpwasprimfeas |
primal feasibility when diving started
Definition at line 405 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ divelpwasprimchecked
| SCIP_Bool SCIP_Lp::divelpwasprimchecked |
primal feasibility was checked when diving started
Definition at line 406 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ divelpwasdualfeas
| SCIP_Bool SCIP_Lp::divelpwasdualfeas |
dual feasibility when diving started
Definition at line 407 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ divelpwasdualchecked
| SCIP_Bool SCIP_Lp::divelpwasdualchecked |
dual feasibility was checked when diving started
Definition at line 408 of file struct_lp.h.
Referenced by SCIPlpEndDive(), and SCIPlpStartDive().
◆ hasprovedbound
| SCIP_Bool SCIP_Lp::hasprovedbound |
is the bound of the lp proved to be exactly dual feasible
Definition at line 409 of file struct_lp.h.
Referenced by lpFlushAndSolve(), lpRestoreSolVals(), lpStoreSolVals(), SCIPlpExactComputeSafeBound(), SCIPlpExactGetObjval(), SCIPlpExactSolveAndEval(), SCIPlpSolveAndEval(), SCIPnodeAddBoundinferExact(), SCIPnodeUpdateLowerboundLP(), SCIPtreeEndProbing(), SCIPtreeStartProbing(), and solveNodeLP().