SCIP
Solving Constraint Integer Programs
SCIP_LpExact Struct Reference
Detailed Description
current LP data
Definition at line 262 of file struct_lpexact.h.
#include <struct_lpexact.h>
Field Documentation
◆ fplp
| SCIP_LP* SCIP_LpExact::fplp |
pointer to the floating point lp
Definition at line 264 of file struct_lpexact.h.
Referenced by lpExactFlushAndSolve(), lpExactFlushDelCols(), lpExactInSync(), primalAddSolExact(), rowExactCreateFromRowLimitEncodingLength(), SCIPcertificatePrintDualboundExactLP(), SCIPcolExactChgCoef(), SCIPcolExactIncCoef(), SCIPlpExactAddCol(), SCIPlpExactClear(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetObjval(), SCIPlpExactGetSol(), SCIPlpExactShrinkCols(), SCIPlpExactStartDive(), SCIPlpExactSyncLPs(), SCIPlpExactUpdateVarObj(), SCIPnodeAddBoundinferExact(), SCIProwExactAddCoef(), SCIProwExactAddConstant(), SCIProwExactChgCoef(), SCIProwExactChgConstant(), SCIProwExactDelCoef(), SCIProwExactGenerateFpRows(), SCIProwExactGetLPActivity(), SCIProwExactIncCoef(), SCIPvarChgObjExact(), SCIPvarMultiaggregateExact(), varEventLbChangedExact(), varEventUbChangedExact(), varProcessChgLbGlobalExact(), and varProcessChgUbGlobalExact().
◆ projshiftdata
| SCIP_PROJSHIFTDATA* SCIP_LpExact::projshiftdata |
data stored for usage in project+shift, NULL if ps not used
Definition at line 265 of file struct_lpexact.h.
Referenced by SCIPlpExactComputeSafeBound(), SCIPlpExactProjectShiftFree(), SCIPlpExactProjectShiftPossible(), and SCIPlpPsdataCreate().
◆ lpobjval
| SCIP_RATIONAL* SCIP_LpExact::lpobjval |
objective value of LP without loose variables, or SCIP_INVALID
Definition at line 266 of file struct_lpexact.h.
Referenced by lpExactFlushAndSolve(), lpExactRestoreSolVals(), lpExactSetIterationLimit(), lpExactSetObjlim(), lpExactStoreSolVals(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactDelRowset(), SCIPlpExactEndDive(), SCIPlpExactGetObjval(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSol(), SCIPlpExactReset(), SCIPlpExactSetCutoffbound(), and SCIPlpExactSolveAndEval().
◆ looseobjval
| SCIP_RATIONAL* SCIP_LpExact::looseobjval |
current solution value of all loose variables set to their best bounds, ignoring variables, with infinite best bound
Definition at line 267 of file struct_lpexact.h.
Referenced by getFiniteLooseObjvalExact(), lpExactUpdateObjval(), SCIPlpExactDecNLoosevars(), and SCIPlpExactGetObjval().
◆ glbpseudoobjval
| SCIP_RATIONAL* SCIP_LpExact::glbpseudoobjval |
global pseudo solution value with all variables set to their best global bounds, ignoring variables, with infinite best bound
Definition at line 269 of file struct_lpexact.h.
Referenced by lpExactUpdateObjval().
◆ pseudoobjval
| SCIP_RATIONAL* SCIP_LpExact::pseudoobjval |
current pseudo solution value with all variables set to their best bounds, ignoring variables, with infinite best bound
Definition at line 271 of file struct_lpexact.h.
Referenced by lpExactUpdateObjval(), and SCIPlpExactGetPseudoObjval().
◆ divechgsides
| SCIP_RATIONAL** SCIP_LpExact::divechgsides |
stores the lhs/rhs changed in the current diving
Definition at line 273 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive().
◆ divechgsidetypes
| SCIP_SIDETYPE* SCIP_LpExact::divechgsidetypes |
stores the side type of the changes done in the current diving
Definition at line 274 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive().
◆ divechgrows
| SCIP_ROWEXACT** SCIP_LpExact::divechgrows |
stores the rows changed in the current diving
Definition at line 275 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive().
◆ cutoffbound
| SCIP_Real SCIP_LpExact::cutoffbound |
upper objective limit of LP (copy of primal->cutoffbound)
Definition at line 276 of file struct_lpexact.h.
Referenced by lpExactFlushAndSolve(), SCIPlpExactSetCutoffbound(), and SCIPlpExactSolveAndEval().
◆ lpiobjlim
| SCIP_Real SCIP_LpExact::lpiobjlim |
current objective limit in LPI
Definition at line 277 of file struct_lpexact.h.
Referenced by lpExactFlushAndSolve(), lpExactSetObjlim(), and SCIPlpExactSolveAndEval().
◆ oldcutoffbound
| SCIP_Real SCIP_LpExact::oldcutoffbound |
place to store cutoffbound if it gets relaxed/removed for safe bounding
Definition at line 278 of file struct_lpexact.h.
Referenced by SCIPlpSolveAndEval().
◆ lpiexact
| SCIP_LPIEXACT* SCIP_LpExact::lpiexact |
exact LP solver interface
Definition at line 279 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), lpExactFlushAddRows(), lpExactFlushAndSolve(), lpExactFlushChgCols(), lpExactFlushChgRows(), lpExactFlushDelCols(), lpExactFlushDelRows(), lpExactSetIntpar(), lpExactSetObjlim(), lpExactSetRealpar(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactDelRowset(), SCIPlpExactFlush(), SCIPlpExactFreeState(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetIterations(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSol(), SCIPlpExactGetState(), SCIPlpExactSetState(), SCIPlpExactSolveAndEval(), SCIPlpExactStartDive(), SCIPlpExactWrite(), and SCIPlpSolveAndEval().
◆ divelpistate
| SCIP_LPISTATE* SCIP_LpExact::divelpistate |
stores LPI state (basis information) before exact diving starts
Definition at line 280 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ lpicols
| SCIP_COLEXACT** SCIP_LpExact::lpicols |
array with columns currently stored in the LP solver
Definition at line 281 of file struct_lpexact.h.
Referenced by ensureLpiExactcolsSize(), lpExactFlushAddCols(), lpExactFlushDelCols(), SCIPlpExactCreate(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetPrimalRay(), and SCIPlpExactGetSol().
◆ lpirows
| SCIP_ROWEXACT** SCIP_LpExact::lpirows |
array with rows currently stored in the LP solver
Definition at line 282 of file struct_lpexact.h.
Referenced by ensureLpirowexactsSize(), lpExactFlushAddRows(), lpExactFlushDelRows(), SCIPlpExactDelRowset(), SCIPlpExactGetDualfarkas(), and SCIPlpExactGetSol().
◆ chgcols
| SCIP_COLEXACT** SCIP_LpExact::chgcols |
array of changed columns not yet applied to the LP solver
Definition at line 283 of file struct_lpexact.h.
Referenced by ensureChgcolsSize(), insertColChgcols(), and lpExactFlushChgCols().
◆ chgrows
| SCIP_ROWEXACT** SCIP_LpExact::chgrows |
array of changed rows not yet applied to the LP solver
Definition at line 284 of file struct_lpexact.h.
Referenced by ensureChgrowsSizeExact(), lpExactFlushChgRows(), and rowExactSideChanged().
◆ cols
| SCIP_COLEXACT** SCIP_LpExact::cols |
array with current LP columns in correct order
Definition at line 285 of file struct_lpexact.h.
Referenced by ensureColexsSize(), lpExactFlushAddCols(), lpExactFlushDelCols(), lpExactInSync(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactAddCol(), SCIPlpExactEndDive(), SCIPlpExactLink(), SCIPlpExactOverwriteFpDualSol(), SCIPlpExactShrinkCols(), and SCIPlpExactStartDive().
◆ rows
| SCIP_ROWEXACT** SCIP_LpExact::rows |
array with current LP rows in correct order
Definition at line 286 of file struct_lpexact.h.
Referenced by ensureRowexsSize(), lpExactFlushAddRows(), lpExactFlushDelRows(), lpExactInSync(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactAddRow(), SCIPlpExactDelRowset(), SCIPlpExactEndDive(), SCIPlpExactLink(), SCIPlpExactOverwriteFpDualSol(), SCIPlpExactShrinkRows(), SCIPlpExactStartDive(), and SCIPlpExactSyncLPs().
◆ divenolddomchgs
| SCIP_Longint SCIP_LpExact::divenolddomchgs |
number of domain changes before diving has started
Definition at line 287 of file struct_lpexact.h.
Referenced by SCIPlpExactStartDive().
◆ storedsolvals
| SCIP_LPEXACTSOLVALS* SCIP_LpExact::storedsolvals |
collected values of the LP data which depend on the LP solution
Definition at line 288 of file struct_lpexact.h.
Referenced by lpExactRestoreSolVals(), lpExactStoreSolVals(), SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ lpicolssize
| int SCIP_LpExact::lpicolssize |
available slots in lpicols vector
Definition at line 290 of file struct_lpexact.h.
Referenced by ensureLpiExactcolsSize().
◆ nlpicols
| int SCIP_LpExact::nlpicols |
number of columns in the LP solver
Definition at line 291 of file struct_lpexact.h.
Referenced by coefChangedExact(), ensureLpiExactcolsSize(), lpExactFlushAddCols(), lpExactFlushAndSolve(), lpExactFlushDelCols(), SCIPlpExactFlush(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSol(), SCIPlpExactGetState(), and SCIPlpExactLink().
◆ lpifirstchgcol
| int SCIP_LpExact::lpifirstchgcol |
first column of the LP which differs from the column in the LP solver
Definition at line 292 of file struct_lpexact.h.
Referenced by coefChangedExact(), lpExactFlushAddCols(), lpExactFlushDelCols(), SCIPlpExactFlush(), SCIPlpExactLink(), and SCIPlpExactShrinkCols().
◆ lpirowssize
| int SCIP_LpExact::lpirowssize |
available slots in lpirows vector
Definition at line 293 of file struct_lpexact.h.
Referenced by ensureLpirowexactsSize().
◆ nlpirows
| int SCIP_LpExact::nlpirows |
number of rows in the LP solver
Definition at line 294 of file struct_lpexact.h.
Referenced by coefChangedExact(), ensureLpirowexactsSize(), lpExactFlushAddRows(), lpExactFlushAndSolve(), lpExactFlushDelRows(), SCIPlpExactDelRowset(), SCIPlpExactFlush(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetSol(), SCIPlpExactGetState(), and SCIPlpExactLink().
◆ lpifirstchgrow
| int SCIP_LpExact::lpifirstchgrow |
first row of the LP which differs from the row in the LP solver
Definition at line 295 of file struct_lpexact.h.
Referenced by coefChangedExact(), lpExactFlushAddRows(), lpExactFlushDelRows(), SCIPlpExactDelRowset(), SCIPlpExactFlush(), SCIPlpExactLink(), and SCIPlpExactShrinkRows().
◆ chgcolssize
| int SCIP_LpExact::chgcolssize |
available slots in chgcols vector
Definition at line 296 of file struct_lpexact.h.
Referenced by ensureChgcolsSize().
◆ nchgcols
| int SCIP_LpExact::nchgcols |
current number of chgcols (number of used slots in chgcols vector)
Definition at line 297 of file struct_lpexact.h.
Referenced by ensureChgcolsSize(), insertColChgcols(), lpExactFlushChgCols(), SCIPcolExactChgLb(), SCIPcolExactChgObj(), SCIPcolExactChgUb(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ chgrowssize
| int SCIP_LpExact::chgrowssize |
available slots in chgrows vector
Definition at line 298 of file struct_lpexact.h.
Referenced by ensureChgrowsSizeExact().
◆ nchgrows
| int SCIP_LpExact::nchgrows |
current number of chgrows (number of used slots in chgrows vector)
Definition at line 299 of file struct_lpexact.h.
Referenced by ensureChgrowsSizeExact(), lpExactFlushChgRows(), rowExactSideChanged(), SCIPlpExactDelRowset(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ colssize
| int SCIP_LpExact::colssize |
available slots in cols vector
Definition at line 300 of file struct_lpexact.h.
Referenced by ensureColexsSize().
◆ ncols
| int SCIP_LpExact::ncols |
current number of LP columns (number of used slots in cols vector)
Definition at line 301 of file struct_lpexact.h.
Referenced by ensureColexsSize(), lpExactFlushAddCols(), lpExactFlushChgCols(), lpExactFlushDelCols(), lpExactInSync(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactAddCol(), SCIPlpExactAddRow(), SCIPlpExactEndDive(), SCIPlpExactFlush(), SCIPlpExactLink(), SCIPlpExactOverwriteFpDualSol(), SCIPlpExactShrinkCols(), and SCIPlpExactStartDive().
◆ nremovablecols
| int SCIP_LpExact::nremovablecols |
number of removable columns in the LP
Definition at line 302 of file struct_lpexact.h.
◆ firstnewcol
| int SCIP_LpExact::firstnewcol |
first column added at the current node
Definition at line 303 of file struct_lpexact.h.
◆ rowssize
| int SCIP_LpExact::rowssize |
available slots in rows vector
Definition at line 304 of file struct_lpexact.h.
Referenced by ensureRowexsSize().
◆ nrows
| int SCIP_LpExact::nrows |
current number of LP rows (number of used slots in rows vector)
Definition at line 305 of file struct_lpexact.h.
Referenced by ensureRowexsSize(), lpExactFlushAddRows(), lpExactFlushChgRows(), lpExactFlushDelRows(), lpExactInSync(), SCIPcertificatePrintDualboundExactLP(), SCIPlpExactAddCol(), SCIPlpExactAddRow(), SCIPlpExactDelRowset(), SCIPlpExactEndDive(), SCIPlpExactFlush(), SCIPlpExactGetNRows(), SCIPlpExactLink(), SCIPlpExactOverwriteFpDualSol(), SCIPlpExactShrinkRows(), SCIPlpExactStartDive(), and SCIPlpExactSyncLPs().
◆ nremovablerows
| int SCIP_LpExact::nremovablerows |
number of removable rows in the LP
Definition at line 306 of file struct_lpexact.h.
Referenced by SCIPlpExactDelRowset().
◆ firstnewrow
| int SCIP_LpExact::firstnewrow |
first row added at the current node
Definition at line 307 of file struct_lpexact.h.
◆ looseobjvalinf
| int SCIP_LpExact::looseobjvalinf |
number of loose variables with infinite best bound in current solution
Definition at line 308 of file struct_lpexact.h.
Referenced by getFiniteLooseObjvalExact(), lpExactUpdateObjval(), SCIPlpExactDecNLoosevars(), SCIPlpExactGetObjval(), SCIPlpExactUpdateVarColumn(), and SCIPlpExactUpdateVarLoose().
◆ nloosevars
| int SCIP_LpExact::nloosevars |
number of loose variables in LP
Definition at line 309 of file struct_lpexact.h.
Referenced by getFiniteLooseObjvalExact(), SCIPlpExactDecNLoosevars(), SCIPlpExactGetObjval(), SCIPlpExactUpdateAddVar(), and SCIPlpExactUpdateVarLoose().
◆ glbpseudoobjvalinf
| int SCIP_LpExact::glbpseudoobjvalinf |
number of variables with infinite best bound in global pseudo solution
Definition at line 310 of file struct_lpexact.h.
Referenced by lpExactUpdateObjval().
◆ pseudoobjvalinf
| int SCIP_LpExact::pseudoobjvalinf |
number of variables with infinite best bound in current pseudo solution
Definition at line 311 of file struct_lpexact.h.
Referenced by lpExactUpdateObjval(), and SCIPlpExactGetPseudoObjval().
◆ lpiitlim
| int SCIP_LpExact::lpiitlim |
current iteration limit setting in LPI
Definition at line 312 of file struct_lpexact.h.
Referenced by lpExactSetIterationLimit().
◆ lpitiming
| int SCIP_LpExact::lpitiming |
current timing type in LPI
Definition at line 313 of file struct_lpexact.h.
◆ lpirandomseed
| int SCIP_LpExact::lpirandomseed |
current initial random seed in LPI
Definition at line 314 of file struct_lpexact.h.
◆ lpiscaling
| int SCIP_LpExact::lpiscaling |
current SCALING setting in LPI
Definition at line 315 of file struct_lpexact.h.
◆ lpirefactorinterval
| int SCIP_LpExact::lpirefactorinterval |
current refactorization interval
Definition at line 316 of file struct_lpexact.h.
◆ ndivingrows
| int SCIP_LpExact::ndivingrows |
number of rows when entering diving mode
Definition at line 317 of file struct_lpexact.h.
Referenced by SCIPlpExactStartDive().
◆ ndivechgsides
| int SCIP_LpExact::ndivechgsides |
number of side changes in current diving
Definition at line 318 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divinglpiitlim
| int SCIP_LpExact::divinglpiitlim |
LPI iteration limit when entering diving mode
Definition at line 319 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ lpipricing
| SCIP_PRICING SCIP_LpExact::lpipricing |
current pricing setting in LPI
Definition at line 320 of file struct_lpexact.h.
◆ lpsolstat
| SCIP_LPSOLSTAT SCIP_LpExact::lpsolstat |
solution status of last LP solution
Definition at line 321 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), lpExactFlushAddRows(), lpExactFlushAndSolve(), lpExactFlushChgCols(), lpExactFlushChgRows(), lpExactFlushDelCols(), lpExactFlushDelRows(), lpExactRestoreSolVals(), lpExactSetIterationLimit(), lpExactSetObjlim(), lpExactStoreSolVals(), SCIPlpExactComputeSafeBound(), SCIPlpExactDelRowset(), SCIPlpExactEndDive(), SCIPlpExactFlush(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSol(), SCIPlpExactGetSolstat(), SCIPlpExactReset(), SCIPlpExactSetCutoffbound(), SCIPlpExactSolveAndEval(), and SCIPlpExactStartDive().
◆ lastlpalgo
| SCIP_LPALGO SCIP_LpExact::lastlpalgo |
algorithm used for last LP solve
Definition at line 322 of file struct_lpexact.h.
Referenced by SCIPlpExactReset().
◆ lpisolutionpolishing
| SCIP_Bool SCIP_LpExact::lpisolutionpolishing |
LP solution polishing method (0: disabled, 1: enabled)
Definition at line 323 of file struct_lpexact.h.
◆ flushdeletedcols
| SCIP_Bool SCIP_LpExact::flushdeletedcols |
have LPI-columns been deleted in the last lpFlush() call?
Definition at line 324 of file struct_lpexact.h.
Referenced by lpExactFlushDelCols(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ flushaddedcols
| SCIP_Bool SCIP_LpExact::flushaddedcols |
have LPI-columns been added in the last lpFlush() call?
Definition at line 325 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ flushdeletedrows
| SCIP_Bool SCIP_LpExact::flushdeletedrows |
have LPI-rows been deleted in the last lpFlush() call?
Definition at line 326 of file struct_lpexact.h.
Referenced by lpExactFlushDelRows(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ flushaddedrows
| SCIP_Bool SCIP_LpExact::flushaddedrows |
have LPI-rows been added in the last lpFlush() call?
Definition at line 327 of file struct_lpexact.h.
Referenced by lpExactFlushAddRows(), SCIPlpExactFlush(), and SCIPlpExactLink().
◆ updateintegrality
| SCIP_Bool SCIP_LpExact::updateintegrality |
does integrality information need to be updated?
Definition at line 328 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), and lpExactFlushDelCols().
◆ flushed
| SCIP_Bool SCIP_LpExact::flushed |
are all cached changes applied to the LP solver?
Definition at line 329 of file struct_lpexact.h.
Referenced by coefChangedExact(), insertColChgcols(), rowExactSideChanged(), SCIPcolExactChgLb(), SCIPcolExactChgObj(), SCIPcolExactChgUb(), SCIPlpExactAddCol(), SCIPlpExactAddRow(), SCIPlpExactEndDive(), SCIPlpExactFlush(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSolstat(), SCIPlpExactGetState(), SCIPlpExactLink(), SCIPlpExactSetCutoffbound(), SCIPlpExactSetState(), SCIPlpExactShrinkCols(), SCIPlpExactShrinkRows(), SCIPlpExactStartDive(), and SCIPlpExactWrite().
◆ solved
| SCIP_Bool SCIP_LpExact::solved |
is current LP solved?
Definition at line 330 of file struct_lpexact.h.
Referenced by addCurrentSolution(), lpExactFlushAddCols(), lpExactFlushAddRows(), lpExactFlushAndSolve(), lpExactFlushChgCols(), lpExactFlushChgRows(), lpExactFlushDelCols(), lpExactFlushDelRows(), lpExactRestoreSolVals(), lpExactSetIterationLimit(), lpExactSetObjlim(), lpExactStoreSolVals(), SCIPlpExactDelRowset(), SCIPlpExactEndDive(), SCIPlpExactFlush(), SCIPlpExactGetDualfarkas(), SCIPlpExactGetPrimalRay(), SCIPlpExactGetSol(), SCIPlpExactGetState(), SCIPlpExactReset(), SCIPlpExactSetCutoffbound(), SCIPlpExactSetState(), SCIPlpExactSolveAndEval(), SCIPlpExactStartDive(), SCIPsolCreateCurrentSolExact(), SCIPsolCreateLPSolExact(), SCIPsolLinkLPSolExact(), and solveNodeLP().
◆ primalfeasible
| SCIP_Bool SCIP_LpExact::primalfeasible |
is current LP solution (rather LPI state) primal feasible?
Definition at line 331 of file struct_lpexact.h.
Referenced by lpExactFlushAddRows(), lpExactFlushAndSolve(), lpExactFlushChgCols(), lpExactFlushChgRows(), lpExactFlushDelCols(), lpExactRestoreSolVals(), lpExactSetObjlim(), lpExactStoreSolVals(), SCIPlpExactComputeSafeBound(), SCIPlpExactGetSol(), SCIPlpExactReset(), SCIPlpExactSetState(), SCIPlpExactSolveAndEval(), and SCIPlpExactStartDive().
◆ primalchecked
| SCIP_Bool SCIP_LpExact::primalchecked |
was current LP solution checked for primal feasibility??
Definition at line 332 of file struct_lpexact.h.
Referenced by lpExactFlushAddRows(), lpExactFlushChgCols(), lpExactFlushChgRows(), lpExactFlushDelCols(), lpExactRestoreSolVals(), lpExactSetObjlim(), lpExactStoreSolVals(), SCIPlpExactReset(), SCIPlpExactSetState(), and SCIPlpExactStartDive().
◆ dualfeasible
| SCIP_Bool SCIP_LpExact::dualfeasible |
is current LP solution (rather LPI state) dual feasible?
Definition at line 333 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), lpExactFlushAndSolve(), lpExactFlushChgCols(), lpExactFlushDelRows(), lpExactRestoreSolVals(), lpExactStoreSolVals(), SCIPlpExactComputeSafeBound(), SCIPlpExactDelRowset(), SCIPlpExactGetSol(), SCIPlpExactReset(), SCIPlpExactSetState(), SCIPlpExactSolveAndEval(), and SCIPlpExactStartDive().
◆ dualchecked
| SCIP_Bool SCIP_LpExact::dualchecked |
was current LP solution checked for primal feasibility??
Definition at line 334 of file struct_lpexact.h.
Referenced by lpExactFlushAddCols(), lpExactFlushChgCols(), lpExactFlushDelRows(), lpExactRestoreSolVals(), lpExactStoreSolVals(), SCIPlpExactDelRowset(), SCIPlpExactReset(), SCIPlpExactSetState(), and SCIPlpExactStartDive().
◆ solisbasic
| SCIP_Bool SCIP_LpExact::solisbasic |
is current LP solution a basic solution?
Definition at line 335 of file struct_lpexact.h.
Referenced by lpExactFlushAndSolve(), lpExactRestoreSolVals(), lpExactStoreSolVals(), SCIPlpExactGetSol(), SCIPlpExactReset(), and SCIPlpExactSetState().
◆ resolvelperror
| SCIP_Bool SCIP_LpExact::resolvelperror |
an error occured during resolving the LP after diving or probing
Definition at line 336 of file struct_lpexact.h.
◆ lpihasscaling
| SCIP_Bool SCIP_LpExact::lpihasscaling |
does the LPI support the SCALING parameter?
Definition at line 337 of file struct_lpexact.h.
◆ lpihaspresolving
| SCIP_Bool SCIP_LpExact::lpihaspresolving |
does the LPI support the PRESOLVING parameter?
Definition at line 338 of file struct_lpexact.h.
◆ projshiftpossible
| SCIP_Bool SCIP_LpExact::projshiftpossible |
can a safe bound be computed with project-and-shift?
Definition at line 339 of file struct_lpexact.h.
◆ boundshiftuseful
| SCIP_Bool SCIP_LpExact::boundshiftuseful |
is boundshift useful? set to FALSE if success rate too low
Definition at line 340 of file struct_lpexact.h.
Referenced by SCIPlpExactBoundShiftUseful().
◆ forceexactsolve
| SCIP_Bool SCIP_LpExact::forceexactsolve |
should the next safe bounding step be forced to solve the lp exactly?
Definition at line 341 of file struct_lpexact.h.
Referenced by SCIPlpExactComputeSafeBound(), and SCIPlpExactForceExactSolve().
◆ allowexactsolve
| SCIP_Bool SCIP_LpExact::allowexactsolve |
is the next bounding call allowed to be an exact solve? (this should only happen for the last call at each node)
Definition at line 342 of file struct_lpexact.h.
Referenced by SCIPlpExactAllowExactSolve(), and SCIPlpExactComputeSafeBound().
◆ diving
| SCIP_Bool SCIP_LpExact::diving |
LP is used for exact diving: col bounds and obj don't correspond to variables
Definition at line 343 of file struct_lpexact.h.
Referenced by SCIPlpExactDiving(), SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divelpwasprimfeas
| SCIP_Bool SCIP_LpExact::divelpwasprimfeas |
primal feasibility when diving started
Definition at line 344 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divelpwasprimchecked
| SCIP_Bool SCIP_LpExact::divelpwasprimchecked |
primal feasibility was checked when diving started
Definition at line 345 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divelpwasdualfeas
| SCIP_Bool SCIP_LpExact::divelpwasdualfeas |
dual feasibility when diving started
Definition at line 346 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divelpwasdualchecked
| SCIP_Bool SCIP_LpExact::divelpwasdualchecked |
dual feasibility was checked when diving started
Definition at line 347 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive(), and SCIPlpExactStartDive().
◆ divingobjchg
| SCIP_Bool SCIP_LpExact::divingobjchg |
objective values were changed in diving or probing: LP objective is invalid
Definition at line 348 of file struct_lpexact.h.
Referenced by SCIPlpExactEndDive().
◆ forcesafebound
| SCIP_Bool SCIP_LpExact::forcesafebound |
should the next safe bounding step be forced to execute, even in probing/diving/etc?
Definition at line 349 of file struct_lpexact.h.
Referenced by SCIPlpExactComputeSafeBound(), and SCIPlpExactForceSafeBound().
◆ wasforcedsafebound
| SCIP_Bool SCIP_LpExact::wasforcedsafebound |
was the last safe bound forced to execute?
Definition at line 350 of file struct_lpexact.h.
Referenced by SCIPlpExactComputeSafeBound(), and SCIPlpSolveAndEval().