SCIP_LPiExact Struct Reference

Detailed Description

LP interface

Store several statistic values about the LP. These values are only needed in order to provide a rudimentary communication, e.g., there are asserts that check the number of rows and columns.

LP interface

Definition at line 49 of file lpiexact_none.c.

Data Fields
int	nrows
int	ncols
SPxexSCIP *	spx
int *	cstat
int *	rstat
int	cstatsize
int	rstatsize
SCIP_PRICING	pricing
SCIP_Bool	solved
SCIP_Real	conditionlimit
SCIP_Bool	checkcondition
SCIP_MESSAGEHDLR *	messagehdlr

Field Documentation

nrows

int SCIP_LPiExact::nrows

number of rows

Definition at line 51 of file lpiexact_none.c.

Referenced by SCIPlpiExactAddRows(), SCIPlpiExactClear(), SCIPlpiExactDelRows(), SCIPlpiExactDelRowset(), SCIPlpiExactGetNRows(), and SCIPlpiExactLoadColLP().

ncols

int SCIP_LPiExact::ncols

number of columns

Definition at line 52 of file lpiexact_none.c.

Referenced by SCIPlpiExactAddCols(), SCIPlpiExactClear(), SCIPlpiExactDelCols(), SCIPlpiExactGetNCols(), and SCIPlpiExactLoadColLP().

spx

SPxexSCIP* SCIP_LPiExact::spx

our SoPlex implementation

Definition at line 554 of file lpiexact_spx.cpp.

Referenced by SCIPlpiDelColset(), SCIPlpiExactAddCols(), SCIPlpiExactAddRows(), SCIPlpiExactChgBounds(), SCIPlpiExactChgCoef(), SCIPlpiExactChgObj(), SCIPlpiExactChgObjsen(), SCIPlpiExactChgSides(), SCIPlpiExactClear(), SCIPlpiExactClearState(), SCIPlpiExactDelCols(), SCIPlpiExactDelRows(), SCIPlpiExactDelRowset(), SCIPlpiExactEndStrongbranch(), SCIPlpiExactExistsDualRay(), SCIPlpiExactExistsPrimalRay(), SCIPlpiExactGetBase(), SCIPlpiExactGetBasisInd(), SCIPlpiExactGetBInvCol(), SCIPlpiExactGetBInvRow(), SCIPlpiExactGetBounds(), SCIPlpiExactGetCoef(), SCIPlpiExactGetColNames(), SCIPlpiExactGetCols(), SCIPlpiExactGetDualfarkas(), SCIPlpiExactGetInternalStatus(), SCIPlpiExactGetIntpar(), SCIPlpiExactGetIterations(), SCIPlpiExactGetNCols(), SCIPlpiExactGetNNonz(), SCIPlpiExactGetNRows(), SCIPlpiExactGetObj(), SCIPlpiExactGetObjsen(), SCIPlpiExactGetObjval(), SCIPlpiExactGetPrimalRay(), SCIPlpiExactGetRealpar(), SCIPlpiExactGetRowNames(), SCIPlpiExactGetRows(), SCIPlpiExactGetSides(), SCIPlpiExactGetSol(), SCIPlpiExactGetSolverPointer(), SCIPlpiExactGetState(), SCIPlpiExactHasDualRay(), SCIPlpiExactHasPrimalRay(), SCIPlpiExactIgnoreInstability(), SCIPlpiExactInfinity(), SCIPlpiExactIsDualFeasible(), SCIPlpiExactIsDualInfeasible(), SCIPlpiExactIsDualUnbounded(), SCIPlpiExactIsInfinity(), SCIPlpiExactIsIterlimExc(), SCIPlpiExactIsObjlimExc(), SCIPlpiExactIsOptimal(), SCIPlpiExactIsPrimalFeasible(), SCIPlpiExactIsPrimalInfeasible(), SCIPlpiExactIsPrimalUnbounded(), SCIPlpiExactIsTimelimExc(), SCIPlpiExactLoadColLP(), SCIPlpiExactReadLP(), SCIPlpiExactReadState(), SCIPlpiExactSetBase(), SCIPlpiExactSetIntegralityInformation(), SCIPlpiExactSetIntpar(), SCIPlpiExactSetRealpar(), SCIPlpiExactSetState(), SCIPlpiExactSolveBarrier(), SCIPlpiExactSolveDual(), SCIPlpiExactSolvePrimal(), SCIPlpiExactStartStrongbranch(), SCIPlpiExactWriteLP(), SCIPlpiExactWriteState(), and spxSolve().

cstat

int* SCIP_LPiExact::cstat

array for storing column basis status

Definition at line 555 of file lpiexact_spx.cpp.

Referenced by ensureCstatMem(), SCIPlpiExactGetState(), and SCIPlpiExactSetState().

rstat

int* SCIP_LPiExact::rstat

array for storing row basis status

Definition at line 556 of file lpiexact_spx.cpp.

Referenced by ensureRstatMem(), SCIPlpiExactGetState(), and SCIPlpiExactSetState().

cstatsize

int SCIP_LPiExact::cstatsize

size of cstat array

Definition at line 557 of file lpiexact_spx.cpp.

Referenced by ensureCstatMem().

rstatsize

int SCIP_LPiExact::rstatsize

size of rstat array

Definition at line 558 of file lpiexact_spx.cpp.

Referenced by ensureRstatMem().

pricing

SCIP_PRICING SCIP_LPiExact::pricing

current pricing strategy

Definition at line 559 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactGetIntpar(), and SCIPlpiExactSetIntpar().

solved

SCIP_Bool SCIP_LPiExact::solved

was the current LP solved?

Definition at line 560 of file lpiexact_spx.cpp.

Referenced by invalidateSolution(), SCIPlpiExactWasSolved(), and spxSolve().

conditionlimit

SCIP_Real SCIP_LPiExact::conditionlimit

maximum condition number of LP basis counted as stable (-1.0: no limit)

Definition at line 561 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactGetRealpar(), and SCIPlpiExactSetRealpar().

checkcondition

SCIP_Bool SCIP_LPiExact::checkcondition

should condition number of LP basis be checked for stability?

Definition at line 562 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactSetRealpar().

messagehdlr

SCIP_MESSAGEHDLR* SCIP_LPiExact::messagehdlr

messagehdlr handler to printing messages, or NULL

Definition at line 563 of file lpiexact_spx.cpp.

Referenced by SCIPlpiDelColset(), SCIPlpiExactAddCols(), SCIPlpiExactAddRows(), SCIPlpiExactChgBounds(), SCIPlpiExactChgCoef(), SCIPlpiExactChgObj(), SCIPlpiExactChgObjsen(), SCIPlpiExactChgSides(), SCIPlpiExactClear(), SCIPlpiExactClearState(), SCIPlpiExactDelCols(), SCIPlpiExactDelRows(), SCIPlpiExactDelRowset(), SCIPlpiExactGetDualfarkas(), SCIPlpiExactGetPrimalRay(), SCIPlpiExactGetSol(), SCIPlpiExactLoadColLP(), SCIPlpiExactReadLP(), SCIPlpiExactReadState(), SCIPlpiExactSetBase(), SCIPlpiExactWriteLP(), SCIPlpiExactWriteState(), and spxSolve().