Detailed Description

LP interface for Clp

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.

Definition at line 93 of file lpi_clp.cpp.

Data Fields
ClpSimplex *	clp

int *	cstat

int *	rstat

int	cstatsize

int	rstatsize

bool	startscratch

bool	presolving

SCIP_PRICING	pricing

bool	validFactorization

SCIP_Bool	solved

bool	setFactorizationFrequency

SCIP_Bool	fastmip

CPXENVptr	cpxenv

SCIP_CPXPARAM	defparam

SCIP_CPXPARAM	curparam

CPXLPptr	cpxlp

int	solstat

SCIP_CPXPARAM	cpxparam

char *	larray

char *	uarray

char *	senarray

SCIP_Real *	rhsarray

SCIP_Real *	rngarray

SCIP_Real *	valarray

int *	rngindarray

int *	indarray

int	boundchgsize

int	sidechgsize

int	valsize

int	iterations

SCIP_Bool	solisbasic

SCIP_Bool	instabilityignored

SCIP_Bool	fromscratch

SCIP_Bool	clearstate

SCIP_Real	feastol

SCIP_Real	conditionlimit

SCIP_Bool	checkcondition

SCIP_Bool	rngfound

SCIP_MESSAGEHDLR *	messagehdlr

GRBmodel *	grbmodel

GRBenv *	grbenv

GRBPARAM	defparam

GRBPARAM	curparam

GRBPARAM	grbparam

MSKtask_t	task

MSKrescodee	termcode

int	itercount

int	lpid

int	skxsize

int	skcsize

MSKstakeye *	skx

MSKstakeye *	skc

int	nrows

int	ncols

QSprob	prob

int	previt

int	rowspace

char *	isen

double *	irhs

double *	irng

int *	ircnt

int *	irbeg

int	colspace

int *	iccnt

char *	iccha

int	tbsz

double *	itab

char *	ibas

int	pricing

SPxSCIP *	spx

SLUFactor *	factorization

SCIP_Real	rowrepswitch

XPRSprob	xprslp

char	name [200]

int	notfromscratch

int	unbvec

char	solmethod

SCIP_Real	par_lobjlim

SCIP_Real	par_uobjlim

int	par_fastlp

int	par_presolve

Field Documentation

ClpSimplex* SCIP_LPi::clp

Clp simiplex solver class

Definition at line 95 of file lpi_clp.cpp.

Referenced by lpiStrongbranch(), lpiStrongbranches(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiClearState(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiWriteLP(), SCIPlpiWriteState(), setFactorizationFrequency(), setFastmipClpParameters(), and unsetFastmipClpParameters().

int * SCIP_LPi::cstat

array for storing column basis status

Definition at line 96 of file lpi_clp.cpp.

Referenced by ensureCstatMem(), getBase(), SCIPlpiGetState(), SCIPlpiSetState(), and setBase().

int * SCIP_LPi::rstat

array for storing row basis status

Definition at line 97 of file lpi_clp.cpp.

Referenced by ensureRstatMem(), getBase(), SCIPlpiGetState(), SCIPlpiSetState(), and setBase().

int SCIP_LPi::cstatsize

size of cstat array

Definition at line 98 of file lpi_clp.cpp.

Referenced by ensureCstatMem().

int SCIP_LPi::rstatsize

size of rstat array

Definition at line 99 of file lpi_clp.cpp.

Referenced by ensureRstatMem().

bool SCIP_LPi::startscratch

start from scratch?

Definition at line 100 of file lpi_clp.cpp.

Referenced by SCIPlpiGetIntpar(), SCIPlpiSetIntpar(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

bool SCIP_LPi::presolving

preform preprocessing?

Definition at line 101 of file lpi_clp.cpp.

SCIP_PRICING SCIP_LPi::pricing

SCIP pricing setting

current pricing strategy

Definition at line 102 of file lpi_clp.cpp.

Referenced by SCIPlpiGetIntpar(), and SCIPlpiSetIntpar().

bool SCIP_LPi::validFactorization

whether we have a valid factorization in clp

Definition at line 103 of file lpi_clp.cpp.

Referenced by lpiStrongbranch(), lpiStrongbranches(), SCIPlpiClearState(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

SCIP_Bool SCIP_LPi::solved

was the current LP solved?

Definition at line 104 of file lpi_clp.cpp.

Referenced by invalidateSolution(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiWasSolved(), and spxSolve().

bool SCIP_LPi::setFactorizationFrequency

store whether the factorization frequency is set

Definition at line 105 of file lpi_clp.cpp.

Referenced by SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), and setFactorizationFrequency().

SCIP_Bool SCIP_LPi::fastmip

are fast mip settings turned on

Definition at line 106 of file lpi_clp.cpp.

Referenced by SCIPlpiGetIntpar(), setFastmipClpParameters(), and unsetFastmipClpParameters().

CPXENVptr SCIP_LPi::cpxenv

CPLEX environment

Definition at line 139 of file lpi_cpx.c.

Referenced by checkParameterValues(), getBase(), getParameterValues(), lpiStrongbranchIntegral(), restoreLPData(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetColNames(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNorms(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealSolQuality(), SCIPlpiGetRowNames(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetNorms(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchFrac(), SCIPlpiWriteLP(), SCIPlpiWriteState(), setBase(), and setParameterValues().

SCIP_CPXPARAM SCIP_LPi::defparam

default CPLEX parameters

Definition at line 140 of file lpi_cpx.c.

SCIP_CPXPARAM SCIP_LPi::curparam

current CPLEX parameters in the environment

Definition at line 141 of file lpi_cpx.c.

Referenced by checkParameterValues(), and setParameterValues().

CPXLPptr SCIP_LPi::cpxlp

CPLEX LP pointer

Definition at line 142 of file lpi_cpx.c.

Referenced by getBase(), lpiStrongbranchIntegral(), restoreLPData(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetColNames(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNorms(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRealSolQuality(), SCIPlpiGetRowNames(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetNorms(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchesInt(), SCIPlpiStrongbranchFrac(), SCIPlpiStrongbranchInt(), SCIPlpiWriteLP(), SCIPlpiWriteState(), and setBase().

int SCIP_LPi::solstat

solution status of last optimization call

Definition at line 143 of file lpi_cpx.c.

Referenced by invalidateSolution(), lpiSolve(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBasisInd(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIterations(), SCIPlpiGetPrimalRay(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), and SCIPlpiWasSolved().

SCIP_CPXPARAM SCIP_LPi::cpxparam

current parameter values for this LP

Definition at line 144 of file lpi_cpx.c.

Referenced by getDblParam(), getIntParam(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchFrac(), setDblParam(), and setIntParam().

char * SCIP_LPi::larray

array with 'L' entries for changing lower bounds

Definition at line 145 of file lpi_cpx.c.

Referenced by ensureBoundchgMem(), and SCIPlpiChgBounds().

char * SCIP_LPi::uarray

array with 'U' entries for changing upper bounds

Definition at line 146 of file lpi_cpx.c.

Referenced by ensureBoundchgMem(), and SCIPlpiChgBounds().

char * SCIP_LPi::senarray

array for storing row senses

Definition at line 147 of file lpi_cpx.c.

Referenced by convertSides(), ensureSidechgMem(), reconvertBothSides(), reconvertLhs(), reconvertRhs(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvCol(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), and SCIPlpiLoadColLP().

SCIP_Real * SCIP_LPi::rhsarray

array for storing rhs values

Definition at line 148 of file lpi_cpx.c.

Referenced by convertSides(), ensureSidechgMem(), reconvertBothSides(), reconvertLhs(), reconvertRhs(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), and SCIPlpiLoadColLP().

SCIP_Real * SCIP_LPi::rngarray

array for storing range values

Definition at line 149 of file lpi_cpx.c.

Referenced by convertSides(), ensureSidechgMem(), reconvertBothSides(), reconvertLhs(), reconvertRhs(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetRows(), SCIPlpiGetSides(), and SCIPlpiLoadColLP().

SCIP_Real * SCIP_LPi::valarray

array for storing coefficient values

Definition at line 150 of file lpi_cpx.c.

Referenced by ensureValMem(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiScaleCol(), and SCIPlpiScaleRow().

int* SCIP_LPi::rngindarray

array for storing row indices with range values

Definition at line 151 of file lpi_cpx.c.

Referenced by convertSides(), ensureSidechgMem(), SCIPlpiAddRows(), and SCIPlpiChgSides().

int * SCIP_LPi::indarray

array for storing coefficient indices

Definition at line 154 of file lpi_cpx.c.

Referenced by ensureValMem(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetCols(), SCIPlpiGetRows(), SCIPlpiLoadColLP(), SCIPlpiScaleCol(), and SCIPlpiScaleRow().

int SCIP_LPi::boundchgsize

size of larray and uarray

Definition at line 155 of file lpi_cpx.c.

Referenced by ensureBoundchgMem().

int SCIP_LPi::sidechgsize

size of senarray, rngarray, and rngindarray

size of senarray

size of senarray and rngarray

Definition at line 156 of file lpi_cpx.c.

Referenced by ensureSidechgMem().

int SCIP_LPi::valsize

size of valarray and indarray

Definition at line 157 of file lpi_cpx.c.

Referenced by ensureValMem().

int SCIP_LPi::iterations

number of iterations used in the last solving call

Definition at line 160 of file lpi_cpx.c.

Referenced by lpiSolve(), SCIPlpiGetIterations(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

SCIP_Bool SCIP_LPi::solisbasic

is current LP solution a basic solution?

Definition at line 162 of file lpi_cpx.c.

Referenced by lpiSolve(), SCIPlpiGetNorms(), SCIPlpiGetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

SCIP_Bool SCIP_LPi::instabilityignored

was the instability of the last LP ignored?

Definition at line 163 of file lpi_cpx.c.

Referenced by invalidateSolution(), SCIPlpiGetSol(), SCIPlpiIgnoreInstability(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

SCIP_Bool SCIP_LPi::fromscratch

shall solves be performed with CPX_PARAM_ADVIND turned off?

should each solve be performed without previous basis state?

Definition at line 164 of file lpi_cpx.c.

Referenced by lpiStrongbranch(), SCIPlpiGetIntpar(), SCIPlpiSetIntpar(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), and SCIPlpiStrongbranchFrac().

SCIP_Bool SCIP_LPi::clearstate

shall next solve be performed with CPX_PARAM_ADVIND turned off?

should the current basis be ignored with the next LP solve

Definition at line 165 of file lpi_cpx.c.

Referenced by lpiSolve(), SCIPlpiClearState(), SCIPlpiGetNorms(), SCIPlpiGetState(), SCIPlpiSetBase(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), and SCIPlpiStrongbranchFrac().

SCIP_Real SCIP_LPi::feastol

feasibility tolerance for integrality

Definition at line 166 of file lpi_cpx.c.

Referenced by lpiStrongbranchIntegral(), SCIPlpiSetRealpar(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchesInt(), SCIPlpiStrongbranchFrac(), and SCIPlpiStrongbranchInt().

SCIP_Real SCIP_LPi::conditionlimit

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

Definition at line 167 of file lpi_cpx.c.

Referenced by SCIPlpiGetRealpar(), SCIPlpiIsStable(), and SCIPlpiSetRealpar().

SCIP_Bool SCIP_LPi::checkcondition

should condition number of LP basis be checked for stability?

Definition at line 168 of file lpi_cpx.c.

Referenced by SCIPlpiIsStable(), and SCIPlpiSetRealpar().

SCIP_Bool SCIP_LPi::rngfound

was ranged row found; scaling is disabled, because there is a bug in the scaling algorithm for ranged rows in CPLEX up to version 11.0

Definition at line 170 of file lpi_cpx.c.

Referenced by SCIPlpiAddRows(), SCIPlpiGetIntpar(), and SCIPlpiSetIntpar().

SCIP_MESSAGEHDLR * SCIP_LPi::messagehdlr

messagehdlr handler to printing messages, or NULL

Definition at line 178 of file lpi_cpx.c.

Referenced by getBase(), getParameterValues(), lpiGetBInvVec(), lpiSolve(), lpiStrongbranch(), lpiStrongbranches(), lpiStrongbranchIntegral(), restoreLPData(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiClearState(), SCIPlpiCreate(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetColNames(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetIntpar(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNorms(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRealSolQuality(), SCIPlpiGetRowNames(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetNorms(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranch(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchFrac(), SCIPlpiWriteLP(), SCIPlpiWriteState(), setBase(), setParameterValues(), SolveWSimplex(), and spxSolve().

GRBmodel* SCIP_LPi::grbmodel

Gurobi model pointer

Definition at line 143 of file lpi_grb.c.

Referenced by getBase(), lpiStrongbranch(), restoreLPData(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiClearState(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRealSolQuality(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiWriteLP(), SCIPlpiWriteState(), and setBase().

GRBenv* SCIP_LPi::grbenv

environment corresponding to model

Definition at line 144 of file lpi_grb.c.

Referenced by getBase(), getParameterValues(), lpiStrongbranch(), restoreLPData(), SCIPlpiClear(), SCIPlpiGetSolFeasibility(), SCIPlpiHasDualRay(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsPrimalFeasible(), SCIPlpiLoadColLP(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), and setParameterValues().

GRBPARAM SCIP_LPi::defparam

default parameter values

Definition at line 146 of file lpi_grb.c.

GRBPARAM SCIP_LPi::curparam

current parameter values stored in Gurobi LP

Definition at line 147 of file lpi_grb.c.

GRBPARAM SCIP_LPi::grbparam

current parameter values for this LP

Definition at line 148 of file lpi_grb.c.

Referenced by getDblParam(), getIntParam(), lpiStrongbranch(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), setDblParam(), and setIntParam().

MSKtask_t SCIP_LPi::task

Definition at line 137 of file lpi_msk.c.

Referenced by checkState1(), convertstat_mosek2scip(), convertstat_mosek2scip_slack(), getASlice(), getbase(), getSolutionStatus(), handle_singular(), printstr(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiFreeState(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiHasStateBasis(), SCIPlpiIgnoreInstability(), SCIPlpiInfinity(), SCIPlpiIsDualFeasible(), SCIPlpiIsInfinity(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranch(), SCIPlpiWasSolved(), SCIPlpiWriteLP(), SCIPlpiWriteState(), setbase(), and SolveWSimplex().

MSKrescodee SCIP_LPi::termcode

Definition at line 138 of file lpi_msk.c.

Referenced by SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranch(), and SolveWSimplex().

int SCIP_LPi::itercount

Definition at line 139 of file lpi_msk.c.

Referenced by SCIPlpiGetIterations(), SCIPlpiSolveBarrier(), SCIPlpiStrongbranch(), and SolveWSimplex().

int SCIP_LPi::lpid

Definition at line 141 of file lpi_msk.c.

Referenced by getASlice(), getbase(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiFreeState(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiHasStateBasis(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranch(), SCIPlpiWasSolved(), SCIPlpiWriteLP(), and setbase().

int SCIP_LPi::skxsize

Definition at line 142 of file lpi_msk.c.

Referenced by ensureStateMem().

int SCIP_LPi::skcsize

Definition at line 143 of file lpi_msk.c.

Referenced by ensureStateMem().

MSKstakeye* SCIP_LPi::skx

Definition at line 144 of file lpi_msk.c.

Referenced by checkState(), ensureStateMem(), getbase(), lpistatePack(), SCIPlpiGetBase(), SCIPlpiSetBase(), SCIPlpiSetState(), and setbase().

MSKstakeye* SCIP_LPi::skc

Definition at line 145 of file lpi_msk.c.

Referenced by checkState(), ensureStateMem(), getbase(), lpistatePack(), SCIPlpiGetBase(), SCIPlpiSetBase(), SCIPlpiSetState(), and setbase().

int SCIP_LPi::nrows

number of rows

Definition at line 39 of file lpi_none.c.

Referenced by convertSides(), debugCheckRowrang(), lpistateCreate(), reconvertBothSides(), reconvertLhs(), reconvertRhs(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetNRows(), SCIPlpiGetRowNames(), SCIPlpiGetSol(), SCIPlpiGetState(), SCIPlpiLoadColLP(), SCIPlpiScaleCol(), SCIPlpiSetBase(), SCIPlpiSetState(), and SCIPlpiStrongbranch().

int SCIP_LPi::ncols

number of columns

Definition at line 40 of file lpi_none.c.

Referenced by debugCheckColrang(), lpistateCreate(), lpiStrongbranch(), lpiStrongbranches(), SCIPlpiAddCols(), SCIPlpiChgBounds(), SCIPlpiChgObj(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvARow(), SCIPlpiGetColNames(), SCIPlpiGetNCols(), SCIPlpiGetSol(), SCIPlpiGetState(), SCIPlpiLoadColLP(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetState(), SCIPlpiStrongbranch(), SCIPlpiStrongbranchesFrac(), and SCIPlpiStrongbranchesInt().

QSprob SCIP_LPi::prob

LP struct pointer

Definition at line 39 of file lpi_qso.c.

Referenced by SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetColNames(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRowNames(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStrongbranchesFrac(), SCIPlpiStrongbranchesInt(), SCIPlpiStrongbranchFrac(), SCIPlpiStrongbranchInt(), SCIPlpiWasSolved(), SCIPlpiWriteLP(), and SCIPlpiWriteState().

int SCIP_LPi::previt

previous number of simplex iterations performed

Definition at line 41 of file lpi_qso.c.

Referenced by SCIPlpiGetIterations(), SCIPlpiReadLP(), SCIPlpiStrongbranchesFrac(), and SCIPlpiStrongbranchFrac().

int SCIP_LPi::rowspace

current size of internal row-related arrays

Definition at line 42 of file lpi_qso.c.

Referenced by ensureRowMem().

char* SCIP_LPi::isen

array of length rowspace

Definition at line 43 of file lpi_qso.c.

Referenced by convertSides(), ensureRowMem(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetSol(), and SCIPlpiLoadColLP().

double* SCIP_LPi::irhs

array of rhs rowspace

Definition at line 44 of file lpi_qso.c.

Referenced by convertSides(), ensureRowMem(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetSol(), and SCIPlpiLoadColLP().

double* SCIP_LPi::irng

array of range rowspace

Definition at line 45 of file lpi_qso.c.

Referenced by convertSides(), ensureRowMem(), SCIPlpiAddRows(), SCIPlpiChgSides(), SCIPlpiGetSol(), and SCIPlpiLoadColLP().

int* SCIP_LPi::ircnt

array of count rowspace

Definition at line 46 of file lpi_qso.c.

Referenced by convertSides(), ensureRowMem(), SCIPlpiAddRows(), SCIPlpiClear(), SCIPlpiDelRows(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetState(), SCIPlpiLoadColLP(), and SCIPlpiSetState().

int* SCIP_LPi::irbeg

array of beginning index rowspace

Definition at line 47 of file lpi_qso.c.

Referenced by convertSides(), ensureRowMem(), SCIPlpiAddRows(), and SCIPlpiLoadColLP().

int SCIP_LPi::colspace

current size of internal column-related arrays

Definition at line 48 of file lpi_qso.c.

Referenced by ensureColMem().

int* SCIP_LPi::iccnt

array of length colspace

Definition at line 49 of file lpi_qso.c.

Referenced by ensureColMem(), SCIPlpiAddCols(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiGetBounds(), SCIPlpiGetCols(), SCIPlpiGetObj(), SCIPlpiGetState(), SCIPlpiLoadColLP(), and SCIPlpiSetState().

char* SCIP_LPi::iccha

array of type colspace

Definition at line 50 of file lpi_qso.c.

Referenced by ensureColMem(), and SCIPlpiChgBounds().

int SCIP_LPi::tbsz

current size of tableau-related arrays

Definition at line 51 of file lpi_qso.c.

Referenced by ensureTabMem().

double* SCIP_LPi::itab

array of length tbsz

Definition at line 52 of file lpi_qso.c.

Referenced by ensureTabMem(), and SCIPlpiGetBInvARow().

char* SCIP_LPi::ibas

array of length tbsz

Definition at line 53 of file lpi_qso.c.

Referenced by ensureTabMem(), SCIPlpiGetBase(), SCIPlpiGetSol(), SCIPlpiSetBase(), and SCIPlpiSetState().

int SCIP_LPi::pricing

SCIP pricing option

Definition at line 54 of file lpi_qso.c.

SPxSCIP * SCIP_LPi::spx

our SPxSolver implementation

our SoPlex implementation

Definition at line 1346 of file lpi_spx.cpp.

Referenced by lpiGetBInvVec(), lpiStrongbranch(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiClearState(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiEndStrongbranch(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetColNames(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNorms(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRealSolQuality(), SCIPlpiGetRowNames(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiInfinity(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsInfinity(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetNorms(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveDual(), SCIPlpiSolvePrimal(), SCIPlpiStartStrongbranch(), SCIPlpiWriteLP(), SCIPlpiWriteState(), and spxSolve().

SLUFactor* SCIP_LPi::factorization

factorization possibly needed for basis inverse

Definition at line 1353 of file lpi_spx.cpp.

Referenced by invalidateSolution(), lpiGetBInvVec(), SCIPlpiGetBasisInd(), and SCIPlpiGetBInvRow().

SCIP_Real SCIP_LPi::rowrepswitch

use row representation if number of rows divided by number of columns exceeds this value

Definition at line 1354 of file lpi_spx.cpp.

Referenced by SCIPlpiGetRealpar(), SCIPlpiSetRealpar(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

XPRSprob SCIP_LPi::xprslp

Xpress LP pointer

Definition at line 73 of file lpi_xprs.c.

Referenced by debugCheckColrang(), debugCheckRowrang(), lpiSolve(), lpiStrongbranch(), lpiStrongbranches(), SCIPlpiAddCols(), SCIPlpiAddRows(), SCIPlpiChgBounds(), SCIPlpiChgCoef(), SCIPlpiChgObj(), SCIPlpiChgObjsen(), SCIPlpiChgSides(), SCIPlpiClear(), SCIPlpiDelCols(), SCIPlpiDelColset(), SCIPlpiDelRows(), SCIPlpiDelRowset(), SCIPlpiExistsDualRay(), SCIPlpiExistsPrimalRay(), SCIPlpiGetBase(), SCIPlpiGetBasisInd(), SCIPlpiGetBInvACol(), SCIPlpiGetBInvARow(), SCIPlpiGetBInvCol(), SCIPlpiGetBInvRow(), SCIPlpiGetBounds(), SCIPlpiGetCoef(), SCIPlpiGetCols(), SCIPlpiGetDualfarkas(), SCIPlpiGetInternalStatus(), SCIPlpiGetIntpar(), SCIPlpiGetIterations(), SCIPlpiGetNCols(), SCIPlpiGetNNonz(), SCIPlpiGetNRows(), SCIPlpiGetObj(), SCIPlpiGetObjsen(), SCIPlpiGetObjval(), SCIPlpiGetPrimalRay(), SCIPlpiGetRealpar(), SCIPlpiGetRows(), SCIPlpiGetSides(), SCIPlpiGetSol(), SCIPlpiGetSolFeasibility(), SCIPlpiGetSolverPointer(), SCIPlpiGetState(), SCIPlpiHasDualRay(), SCIPlpiHasPrimalRay(), SCIPlpiIgnoreInstability(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualInfeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsIterlimExc(), SCIPlpiIsObjlimExc(), SCIPlpiIsOptimal(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalInfeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiIsStable(), SCIPlpiIsTimelimExc(), SCIPlpiLoadColLP(), SCIPlpiReadLP(), SCIPlpiReadState(), SCIPlpiScaleCol(), SCIPlpiScaleRow(), SCIPlpiSetBase(), SCIPlpiSetIntpar(), SCIPlpiSetRealpar(), SCIPlpiSetState(), SCIPlpiSolveBarrier(), SCIPlpiWriteLP(), and SCIPlpiWriteState().

char SCIP_LPi::name[200]

problem name

Definition at line 74 of file lpi_xprs.c.

Referenced by SCIPlpiClear(), and SCIPlpiLoadColLP().

int SCIP_LPi::notfromscratch

do we not want to solve the lp from scratch

Definition at line 77 of file lpi_xprs.c.

Referenced by SCIPlpiGetIntpar(), and SCIPlpiSetIntpar().

int SCIP_LPi::unbvec

primal or dual vector on which the problem is unbounded

Definition at line 79 of file lpi_xprs.c.

Referenced by lpiSolve().

char SCIP_LPi::solmethod

method used to solve the LP

Definition at line 80 of file lpi_xprs.c.

Referenced by SCIPlpiGetSolFeasibility(), SCIPlpiIsDualFeasible(), SCIPlpiIsDualUnbounded(), SCIPlpiIsPrimalFeasible(), SCIPlpiIsPrimalUnbounded(), SCIPlpiSolveBarrier(), SCIPlpiSolveDual(), and SCIPlpiSolvePrimal().

SCIP_Real SCIP_LPi::par_lobjlim

objective lower bound

Definition at line 102 of file lpi_xprs.c.

SCIP_Real SCIP_LPi::par_uobjlim

objective upper bound

Definition at line 103 of file lpi_xprs.c.

int SCIP_LPi::par_fastlp

special meta parameter for making LP reoptimize go faster

Definition at line 104 of file lpi_xprs.c.

Referenced by lpiSolve().

int SCIP_LPi::par_presolve

need to distinguish between the users setting and the optimizer setting of presolve

Definition at line 105 of file lpi_xprs.c.

Referenced by lpiSolve(), SCIPlpiGetIntpar(), and SCIPlpiSetIntpar().

SCIP

Detailed Description

Data Fields

Field Documentation