SPxexSCIP Class Reference

Detailed Description

SCIP's SoPlex class

Definition at line 261 of file lpiexact_spx.cpp.

Public Member Functions
	SPxexSCIP (SCIP_MESSAGEHDLR *messagehdlr=NULL, const char *probname=NULL)
virtual	~SPxexSCIP ()
Real	getObjLimit () const
bool	getFromScratch () const
void	setFromScratch (bool fs)
bool	getLpInfo () const
void	setLpInfo (bool lpinfo)
void	setProbname (const char *probname)
void	setRep (SPxSolver::Representation p_rep)
bool	checkConsistentBounds () const
bool	checkConsistentSides () const
void	trySolve (bool printwarning=true)
SPxSolver::Status	doSolve (bool printwarning=true)
void	savePreStrongbranchingBasis ()
void	restorePreStrongbranchingBasis ()
void	freePreStrongbranchingBasis ()
bool	preStrongbranchingBasisFreed () const
DataArray< SPxSolver::VarStatus > &	rowStat ()
DataArray< SPxSolver::VarStatus > &	colStat ()

Constructor & Destructor Documentation

SPxexSCIP()

SPxexSCIP::SPxexSCIP ( SCIP_MESSAGEHDLR *  messagehdlr = NULL, const char *  probname = NULL  )

inline

Parameters

messagehdlr	message handler
probname	name of problem

Definition at line 271 of file lpiexact_spx.cpp.

References NULL, setProbname(), and SOPLEX_TRY_ABORT.

~SPxexSCIP()

virtual SPxexSCIP::~SPxexSCIP ( )

inlinevirtual

Definition at line 290 of file lpiexact_spx.cpp.

References freePreStrongbranchingBasis(), and NULL.

Member Function Documentation

getObjLimit()

Real SPxexSCIP::getObjLimit ( ) const

inline

get objective limit according to objective sense

Definition at line 299 of file lpiexact_spx.cpp.

getFromScratch()

bool SPxexSCIP::getFromScratch ( ) const

inline

Definition at line 307 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactGetIntpar(), and spxSolve().

setFromScratch()

void SPxexSCIP::setFromScratch ( bool  fs )

inline

Definition at line 312 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactSetIntpar().

getLpInfo()

bool SPxexSCIP::getLpInfo ( ) const

inline

Definition at line 318 of file lpiexact_spx.cpp.

Referenced by doSolve(), SCIPlpiExactGetIntpar(), and spxSolve().

setLpInfo()

void SPxexSCIP::setLpInfo ( bool  lpinfo )

inline

Definition at line 323 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactSetIntpar().

setProbname()

void SPxexSCIP::setProbname ( const char *  probname )

inline

Definition at line 329 of file lpiexact_spx.cpp.

References NULL.

Referenced by SPxexSCIP().

setRep()

void SPxexSCIP::setRep ( SPxSolver::Representation  p_rep )

inline

Definition at line 342 of file lpiexact_spx.cpp.

References CHECK_SOPLEX_PARAM, SCIPdebugMessage, and setIntParam().

checkConsistentBounds()

bool SPxexSCIP::checkConsistentBounds ( ) const

inline

Definition at line 357 of file lpiexact_spx.cpp.

References SCIPerrorMessage.

Referenced by doSolve().

checkConsistentSides()

bool SPxexSCIP::checkConsistentSides ( ) const

inline

Definition at line 372 of file lpiexact_spx.cpp.

References SCIPerrorMessage.

Referenced by doSolve().

trySolve()

void SPxexSCIP::trySolve ( bool  printwarning = true )

inline

Definition at line 388 of file lpiexact_spx.cpp.

References CHECK_SOPLEX_PARAM, optimize(), SCIPmessagePrintWarning(), and x.

Referenced by doSolve().

doSolve()

SPxSolver::Status SPxexSCIP::doSolve ( bool  printwarning = true )

inline

Definition at line 430 of file lpiexact_spx.cpp.

References checkConsistentBounds(), checkConsistentSides(), getLpInfo(), SOPLEX_VERBLEVEL, Status(), and trySolve().

Referenced by spxSolve().

savePreStrongbranchingBasis()

void SPxexSCIP::savePreStrongbranchingBasis ( )

inline

save the current basis

Definition at line 453 of file lpiexact_spx.cpp.

References SCIPmessagePrintWarning(), and x.

Referenced by SCIPlpiExactStartStrongbranch().

restorePreStrongbranchingBasis()

void SPxexSCIP::restorePreStrongbranchingBasis ( )

inline

restore basis

Definition at line 481 of file lpiexact_spx.cpp.

References SCIPmessagePrintWarning(), and x.

Referenced by SCIPlpiExactEndStrongbranch().

freePreStrongbranchingBasis()

void SPxexSCIP::freePreStrongbranchingBasis ( )

inline

if basis is in store, delete it without restoring it

Definition at line 508 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactEndStrongbranch(), SCIPlpiExactSetBase(), and ~SPxexSCIP().

preStrongbranchingBasisFreed()

bool SPxexSCIP::preStrongbranchingBasisFreed ( ) const

inline

is pre-strong-branching basis freed?

Definition at line 515 of file lpiexact_spx.cpp.

Referenced by SCIPlpiDelColset(), SCIPlpiExactAddCols(), SCIPlpiExactAddRows(), SCIPlpiExactChgBounds(), SCIPlpiExactChgCoef(), SCIPlpiExactChgObj(), SCIPlpiExactChgObjsen(), SCIPlpiExactChgSides(), SCIPlpiExactClear(), SCIPlpiExactDelCols(), SCIPlpiExactDelRows(), SCIPlpiExactDelRowset(), SCIPlpiExactEndStrongbranch(), SCIPlpiExactGetBase(), SCIPlpiExactGetBasisInd(), SCIPlpiExactGetBInvCol(), SCIPlpiExactGetBInvRow(), SCIPlpiExactGetState(), SCIPlpiExactLoadColLP(), SCIPlpiExactReadLP(), SCIPlpiExactReadState(), SCIPlpiExactSetBase(), SCIPlpiExactSetState(), SCIPlpiExactStartStrongbranch(), SCIPlpiExactWriteState(), and spxSolve().

rowStat()

DataArray< SPxSolver::VarStatus > & SPxexSCIP::rowStat ( )

inline

provides access for temporary storage of basis status of rows

Definition at line 521 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactSetBase().

colStat()

DataArray< SPxSolver::VarStatus > & SPxexSCIP::colStat ( )

inline

provides access for temporary storage of basis status or columns

Definition at line 527 of file lpiexact_spx.cpp.

Referenced by SCIPlpiExactSetBase().