Preconfigured SoPlexLegacy LP-solver. More...

#include <soplexlegacy.h>

Inheritance diagram for SoPlexLegacy:

[legend]

Public Member Functions

	SoPlexLegacy (SPxOut &outstream, SPxSolver::Type type=SPxSolver::LEAVE, SPxSolver::Representation rep=SPxSolver::COLUMN)
	default construtor. More...

virtual	~SoPlexLegacy ()

SoPlexLegacy &	operator= (const SoPlexLegacy &rhs)
	assignment operator. More...

	SoPlexLegacy (const SoPlexLegacy &)
	copy constructor. More...


virtual void	setUtype (SLUFactor::UpdateType tp)
	message handler More...

SPxSolver::Pricing	pricing () const
	return current Pricing. More...

virtual void	setPricing (SPxSolver::Pricing pr)
	set FULL or PARTIAL pricing. More...

SPxSolver::Type	type () const
	return current Type. More...

SPxSolver::Representation	rep () const
	return current basis representation. More...

virtual void	setType (SPxSolver::Type tp)
	set LEAVE or ENTER algorithm. More...

virtual void	setRep (SPxSolver::Representation p_rep)
	set ROW or COLUMN representation. More...

virtual void	setPreScaler (SPxScaler *scaler, const bool destroy=false)
	setup prescaler to use. If `destroy` is true, `scaler` will be freed in destructor. More...

virtual void	setPostScaler (SPxScaler *scaler, const bool destroy=false)
	setup postscaler to use. If `destroy` is true, `scaler` will be freed in destructor. More...

virtual void	setSimplifier (SPxSimplifier *simpli, const bool destroy=false)
	setup simplifier to use. If `destroy` is true, `simpli` will be freed in destructor. More...

bool	has_simplifier () const
	has a simplifier been set? More...

bool	has_prescaler () const
	has a prescaler been set? More...

bool	has_postscaler () const
	has a postscaler been set? More...

virtual void	setPricer (SPxPricer *pricer, const bool destroy=false)
	setup pricer to use. More...

virtual void	setTester (SPxRatioTester *tester, const bool destroy=false)
	setup ratio-tester to use. More...

virtual void	setStarter (SPxStarter *starter, const bool destroy=false)
	setup starting basis generator to use. More...

virtual void	setBasis (SPxSolver::VarStatus rows[], SPxSolver::VarStatus cols[])

virtual void	clearBasis ()
	clear starting basis More...

virtual void	setTerminationTime (Real time=infinity)
	set time limit. More...

Real	terminationTime () const
	return time limit. More...

virtual void	setTerminationIter (int iter=-1)
	set iteration limit. More...

int	terminationIter () const
	return iteration limit. More...

virtual void	setTerminationValue (Real val=infinity)
	set objective limit. More...

Real	terminationValue () const
	return objective limit. More...

virtual Real	feastol () const
	allowed primal feasibility tolerance. More...

virtual Real	opttol () const
	allowed optimality, i.e., dual feasibility tolerance. More...

virtual Real	delta () const
	guaranteed primal and dual bound violation for optimal solution, returning the maximum of feastol() and opttol(), i.e., the less tight tolerance. More...

virtual void	setFeastol (Real d)
	set parameter `feastol`. More...

virtual void	setOpttol (Real d)
	set parameter `opttol`. More...

virtual void	setDelta (Real d)
	set parameter `delta`, i.e., set `feastol` and `opttol` to same value. More...


virtual SPxSolver::Status	solve ()

virtual Real	objValue () const

virtual SPxSolver::Status	getPrimal (Vector &vector) const

virtual SPxSolver::Status	getSlacks (Vector &vector) const

virtual SPxSolver::Status	getDual (Vector &vector) const

virtual SPxSolver::Status	getRedCost (Vector &vector) const

SPxSolver::VarStatus	getBasisRowStatus (int row) const
	gets basis status for a single row. More...

SPxSolver::VarStatus	getBasisColStatus (int col) const
	gets basis status for a single column. More...

SPxSolver::Status	getBasis (SPxSolver::VarStatus rows[], SPxSolver::VarStatus cols[]) const
	get current basis, and return solver status. More...

const char *	getColName (int idx, const NameSet cnames, char buf)

const char *	getRowName (int idx, const NameSet rnames, char buf)

virtual SPxSolver::Status	getPrimalray (Vector &vector) const

virtual SPxSolver::Status	getDualfarkas (Vector &vector) const

virtual void	qualConstraintViolation (Real &maxviol, Real &sumviol) const
	get violation of constraints. More...

virtual void	qualBoundViolation (Real &maxviol, Real &sumviol) const
	get violations of bounds. More...

virtual Real	getFactorTime () const
	time spent in factorizations More...

virtual int	getFactorCount () const
	number of factorizations performed More...

virtual Real	getSolveTime () const
	time spent in solves More...

virtual int	getSolveCount () const
	number of solves performed More...

virtual int	iteration () const

virtual bool	terminate ()

virtual SPxSolver::Status	status () const
	returns the current status More...


virtual bool	readBasisFile (const char filename, const NameSet rowNames, const NameSet *colNames)

virtual bool	writeBasisFile (const char filename, const NameSet rowNames, const NameSet *colNames)

virtual bool	writeState (const char filename, const NameSet rowNames=NULL, const NameSet *colNames=NULL) const

std::string	statistics () const
	returns statistical information in form of a string. More...

Public Member Functions inherited from SPxLPBase< R >
void	setOutstream (SPxOut &newOutstream)

template<>
bool	readLPF (std::istream &p_input, NameSet p_rnames, NameSet p_cnames, DIdxSet *p_intvars)
	Read LP in "CPLEX LP File Format". More...

template<>
bool	readMPS (std::istream &p_input, NameSet p_rnames, NameSet p_cnames, DIdxSet *p_intvars)

template<>
void	writeLPF (std::ostream &p_output, const NameSet p_rnames, const NameSet p_cnames, const DIdxSet *p_intvars) const
	Write LP in LP Format. More...

template<>
void	writeMPS (std::ostream &p_output, const NameSet p_rnames, const NameSet p_cnames, const DIdxSet *p_intvars) const
	Write LP in MPS format. More...

template<>
bool	readLPF (std::istream &p_input, NameSet p_rnames, NameSet p_cnames, DIdxSet *p_intvars)
	Read LP in "CPLEX LP File Format". More...

template<>
bool	readMPS (std::istream &p_input, NameSet p_rnames, NameSet p_cnames, DIdxSet *p_intvars)

template<>
void	writeLPF (std::ostream &p_output, const NameSet p_rnames, const NameSet p_cnames, const DIdxSet *p_intvars) const
	Write LP in LP Format. More...

template<>
void	writeMPS (std::ostream &p_output, const NameSet p_rnames, const NameSet p_cnames, const DIdxSet *p_intvars) const
	Write LP in MPS format. More...

int	nRows () const
	Returns number of rows in LP. More...

int	nCols () const
	Returns number of columns in LP. More...

int	nNzos () const
	Returns number of nonzeros in LP. More...

R	minAbsNzo () const
	Absolute smallest non-zero element in LP. More...

R	maxAbsNzo () const
	Absolute biggest non-zero element in LP. More...

void	getRow (int i, LPRowBase< R > &row) const
	Gets `i` 'th row. More...

void	getRow (const SPxRowId &id, LPRowBase< R > &row) const
	Gets row with identifier `id`. More...

void	getRows (int start, int end, LPRowSetBase< R > &set) const
	Gets rows `start`, ... `end`. More...

const SVectorBase< R > &	rowVector (int i) const
	Gets row vector of row `i`. More...

const SVectorBase< R > &	rowVector (const SPxRowId &id) const
	Gets row vector of row with identifier `id`. More...

const VectorBase< R > &	rhs () const
	Returns right hand side vector. More...

const R &	rhs (int i) const

const R &	rhs (const SPxRowId &id) const
	Returns right hand side of row with identifier `id`. More...

const VectorBase< R > &	lhs () const
	Returns left hand side vector. More...

const R &	lhs (int i) const

const R &	lhs (const SPxRowId &id) const
	Returns left hand side of row with identifier `id`. More...

void	getRowObj (VectorBase< R > &prowobj) const
	Gets row objective function vector. More...

R	rowObj (int i) const

R	rowObj (const SPxRowId &id) const
	Returns row objective function value of row with identifier `id`. More...

const VectorBase< R > &	maxRowObj () const

const R &	maxRowObj (int i) const

const R &	maxRowObj (const SPxRowId &id) const
	Returns row objective function value of row with identifier `id`. More...

LPRowBase< R >::Type	rowType (int i) const
	Returns the inequality type of the `i'th` LPRow. More...

LPRowBase< R >::Type	rowType (const SPxRowId &id) const
	Returns the inequality type of the row with identifier `key`. More...

void	getCol (int i, LPColBase< R > &col) const
	Gets `i` 'th column. More...

void	getCol (const SPxColId &id, LPColBase< R > &col) const
	Gets column with identifier `id`. More...

void	getCols (int start, int end, LPColSetBase< R > &set) const
	Gets columns `start`, ..., `end`. More...

const SVectorBase< R > &	colVector (int i) const
	Returns column vector of column `i`. More...

const SVectorBase< R > &	colVector (const SPxColId &id) const
	Returns column vector of column with identifier `id`. More...

void	getObj (VectorBase< R > &pobj) const
	Gets objective vector. More...

R	obj (int i) const
	Returns objective value of column `i`. More...

R	obj (const SPxColId &id) const
	Returns objective value of column with identifier `id`. More...

const VectorBase< R > &	maxObj () const
	Returns objective vector for maximization problem. More...

const R &	maxObj (int i) const
	Returns objective value of column `i` for maximization problem. More...

const R &	maxObj (const SPxColId &id) const
	Returns objective value of column with identifier `id` for maximization problem. More...

const VectorBase< R > &	upper () const
	Returns upper bound vector. More...

const R &	upper (int i) const
	Returns upper bound of column `i`. More...

const R &	upper (const SPxColId &id) const
	Returns upper bound of column with identifier `id`. More...

const VectorBase< R > &	lower () const
	Returns lower bound vector. More...

const R &	lower (int i) const
	Returns lower bound of column `i`. More...

const R &	lower (const SPxColId &id) const
	Returns lower bound of column with identifier `id`. More...

SPxSense	spxSense () const
	Returns the optimization sense. More...

const R &	objOffset () const
	Returns the objective function value offset. More...

int	number (const SPxRowId &id) const
	Returns the row number of the row with identifier `id`. More...

int	number (const SPxColId &id) const
	Returns the column number of the column with identifier `id`. More...

int	number (const SPxId &id) const
	Returns the row or column number for identifier `id`. More...

SPxRowId	rId (int n) const
	Returns the row identifier for row `n`. More...

SPxColId	cId (int n) const
	Returns the column identifier for column `n`. More...

virtual void	addRow (const LPRowBase< R > &row)

virtual void	addRow (const R &lhsValue, const SVectorBase< R > &rowVec, const R &rhsValue)

template<class S >
void	addRow (const S lhsValue, const S rowValues, const int rowIndices, int rowSize, const S rhsValue)

virtual void	addRow (SPxRowId &id, const LPRowBase< R > &row)
	Adds `row` to LPRowSetBase. More...

virtual void	addRows (const LPRowSetBase< R > &pset)

template<class S >
void	addRows (const S lhsValues, const S rowValues, const int rowIndices, const int rowStarts, const int rowLengths, const int numRows, const int numValues, const S rhsValues)

virtual void	addRows (SPxRowId id[], const LPRowSetBase< R > &set)
	adds all LPRowBases of `pset` to LPRowSetBase. More...

virtual void	addCol (const LPColBase< R > &col)

virtual void	addCol (const R &objValue, const R &lowerValue, const SVectorBase< R > &colVec, const R &upperValue)

template<class S >
void	addCol (const S objValue, const S lowerValue, const S colValues, const int colIndices, int colSize, const S *upperValue)

virtual void	addCol (SPxColId &id, const LPColBase< R > &col)
	Adds `col` to LPColSetVBase. More...

virtual void	addCols (const LPColSetBase< R > &pset)

template<class S >
void	addCols (const S objValue, const S lowerValues, const S colValues, const int colIndices, const int colStarts, const int colLengths, const int numCols, const int numValues, const S *upperValues)

virtual void	addCols (SPxColId id[], const LPColSetBase< R > &set)
	Adds all LPColBases of `set` to LPColSetBase. More...

virtual void	removeRow (int i)
	Removes `i` 'th row. More...

virtual void	removeRow (SPxRowId id)
	Removes row with identifier `id`. More...

virtual void	removeRows (int perm[])
	Removes multiple rows. More...

virtual void	removeRows (SPxRowId id[], int n, int perm[]=0)

virtual void	removeRows (int nums[], int n, int perm[]=0)
	Removes `n` LPRowBases. More...

virtual void	removeRowRange (int start, int end, int perm[]=0)
	Removes rows from `start` to `end` (including both). More...

virtual void	removeCol (int i)
	Removes `i` 'th column. More...

virtual void	removeCol (SPxColId id)
	Removes column with identifier `id`. More...

virtual void	removeCols (int perm[])
	Removes multiple columns. More...

virtual void	removeCols (SPxColId id[], int n, int perm[]=0)

virtual void	removeCols (int nums[], int n, int perm[]=0)
	Removes `n` LPCols. More...

virtual void	removeColRange (int start, int end, int perm[]=0)
	Removes columns from `start` to `end` (including both). More...

virtual void	clear ()
	clears the LP. More...

virtual bool	readLPF (std::istream &in, NameSet rowNames=0, NameSet colNames=0, DIdxSet *intVars=0)
	Reads LP in LP format from input stream `in`. More...

virtual bool	readMPS (std::istream &in, NameSet rowNames=0, NameSet colNames=0, DIdxSet *intVars=0)
	Reads an LP in MPS format from input stream `in`. More...

virtual bool	read (std::istream &in, NameSet rowNames=0, NameSet colNames=0, DIdxSet *intVars=0)
	Reads LP in LP or MPS format from input stream `in`. More...

virtual bool	readFile (const char filename, NameSet rowNames=0, NameSet colNames=0, DIdxSet intVars=0)
	Reads LP from a file. More...

virtual void	writeLPF (std::ostream &out, const NameSet rowNames, const NameSet colNames, const DIdxSet *p_intvars=0) const

virtual void	writeMPS (std::ostream &out, const NameSet rowNames, const NameSet colNames, const DIdxSet *p_intvars=0) const
	Writes a file in MPS format to `out`. More...

virtual void	writeFile (const char filename, const NameSet rowNames=0, const NameSet colNames=0, const DIdxSet p_intvars=0) const
	Write loaded LP to `filename`. More...

void	printProblemStatistics (std::ostream &os)

virtual void	changeObj (const VectorBase< R > &newObj)
	Changes objective vector to `newObj`. More...

virtual void	changeObj (int i, const R &newVal)
	changes `i` 'th objective vector element to `newVal`. More...

template<class S >
void	changeObj (int i, const S *newVal)
	changes `i` 'th objective vector element to `newVal`. More...

virtual void	changeObj (SPxColId id, const R &newVal)
	Changes objective value of column with identifier `id` to `newVal`. More...

virtual void	changeMaxObj (const VectorBase< R > &newObj)
	Changes objective vector to `newObj`. More...

virtual void	changeMaxObj (int i, const R &newVal)
	changes `i` 'th objective vector element to `newVal`. More...

template<class S >
void	changeMaxObj (int i, const S *newVal)
	changes `i` 'th objective vector element to `newVal`. More...

virtual void	changeMaxObj (SPxColId id, const R &newVal)
	Changes objective value of column with identifier `id` to `newVal`. More...

virtual void	changeLower (const VectorBase< R > &newLower)
	Changes vector of lower bounds to `newLower`. More...

virtual void	changeLower (int i, const R &newLower)
	changes `i` 'th lower bound to `newLower`. More...

template<class S >
void	changeLower (int i, const S *newLower)
	changes `i` 'th lower bound to `newLower`. More...

virtual void	changeLower (SPxColId id, const R &newLower)
	changes lower bound of column with identifier `id` to `newLower`. More...

virtual void	changeUpper (const VectorBase< R > &newUpper)
	Changes vector of upper bounds to `newUpper`. More...

virtual void	changeUpper (int i, const R &newUpper)
	Changes `i` 'th upper bound to `newUpper`. More...

template<class S >
void	changeUpper (int i, const S *newUpper)
	Changes `i` 'th upper bound to `newUpper`. More...

virtual void	changeUpper (SPxColId id, const R &newUpper)
	Changes upper bound of column with identifier `id` to `newLower`. More...

virtual void	changeBounds (const VectorBase< R > &newLower, const VectorBase< R > &newUpper)
	Changes variable bounds to `newLower` and `newUpper`. More...

virtual void	changeBounds (int i, const R &newLower, const R &newUpper)
	Changes bounds of column `i` to `newLower` and `newUpper`. More...

template<class S >
void	changeBounds (int i, const S newLower, const S newUpper)
	Changes bounds of column `i` to `newLower` and `newUpper`. More...

virtual void	changeBounds (SPxColId id, const R &newLower, const R &newUpper)
	Changes bounds of column with identifier `id`. More...

virtual void	changeLhs (const VectorBase< R > &newLhs)
	Changes left hand side vector for constraints to `newLhs`. More...

virtual void	changeLhs (int i, const R &newLhs)
	Changes `i` 'th left hand side value to `newLhs`. More...

template<class S >
void	changeLhs (int i, const S *newLhs)
	Changes `i` 'th left hand side value to `newLhs`. More...

virtual void	changeLhs (SPxRowId id, const R &newLhs)
	Changes left hand side value for row with identifier `id`. More...

virtual void	changeRhs (const VectorBase< R > &newRhs)
	Changes right hand side vector for constraints to `newRhs`. More...

virtual void	changeRhs (int i, const R &newRhs)
	Changes `i` 'th right hand side value to `newRhs`. More...

virtual void	changeRhs (SPxRowId id, const R &newRhs)
	Changes right hand side value for row with identifier `id`. More...

virtual void	changeRange (const VectorBase< R > &newLhs, const VectorBase< R > &newRhs)
	Changes left and right hand side vectors. More...

virtual void	changeRange (int i, const R &newLhs, const R &newRhs)
	Changes left and right hand side of row `i`. More...

template<class S >
void	changeRange (int i, const S newLhs, const S newRhs)
	Changes left and right hand side of row `i`. More...

virtual void	changeRange (SPxRowId id, const R &newLhs, const R &newRhs)
	Changes left and right hand side of row with identifier `id`. More...

virtual void	changeRowObj (const VectorBase< R > &newRowObj)
	Changes row objective function vector to `newRowObj`. More...

virtual void	changeRowObj (int i, const R &newRowObj)
	Changes `i` 'th row objective function value to `newRowObj`. More...

virtual void	changeRowObj (SPxRowId id, const R &newRowObj)
	Changes row objective function value for row with identifier `id`. More...

virtual void	clearRowObjs ()
	Clears row objective function values for all rows. More...

virtual void	changeRow (int n, const LPRowBase< R > &newRow)
	Replaces `i` 'th row of LP with `newRow`. More...

virtual void	changeRow (SPxRowId id, const LPRowBase< R > &newRow)
	Replaces row with identifier `id` with `newRow`. More...

virtual void	changeCol (int n, const LPColBase< R > &newCol)
	Replaces `i` 'th column of LP with `newCol`. More...

virtual void	changeCol (SPxColId id, const LPColBase< R > &newCol)
	Replaces column with identifier `id` with `newCol`. More...

virtual void	changeElement (int i, int j, const R &val)
	Changes LP element (`i`, `j`) to `val`. More...

template<class S >
void	changeElement (int i, int j, const S *val)
	Changes LP element (`i`, `j`) to `val`. More...

virtual void	changeElement (SPxRowId rid, SPxColId cid, const R &val)
	Changes LP element identified by (`rid`, `cid`) to `val`. More...

virtual void	changeSense (SPxSense sns)
	Changes optimization sense to `sns`. More...

virtual void	changeObjOffset (const R &o)

virtual void	computePrimalActivity (const VectorBase< R > &primal, VectorBase< R > &activity) const
	Computes activity of the rows for a given primal vector; activity does not need to be zero. More...

virtual void	addPrimalActivity (const SVectorBase< R > &primal, VectorBase< R > &activity) const
	Updates activity of the rows for a given primal vector; activity does not need to be zero. More...

virtual void	computeDualActivity (const VectorBase< R > &dual, VectorBase< R > &activity) const
	Computes "dual" activity of the columns for a given dual vector, i.e., y^T A; activity does not need to be zero. More...

virtual void	addDualActivity (const SVectorBase< R > &dual, VectorBase< R > &activity) const
	Updates "dual" activity of the columns for a given dual vector, i.e., y^T A; activity does not need to be zero. More...

virtual void	subDualActivity (const VectorBase< R > &dual, VectorBase< R > &activity) const
	Updates "dual" activity of the columns for a given dual vector, i.e., y^T A; activity does not need to be zero. More...

bool	isConsistent () const
	Consistency check. More...

	SPxLPBase ()
	Default constructor. More...

virtual	~SPxLPBase ()
	Destructor. More...

	SPxLPBase (const SPxLPBase< R > &old)
	Copy constructor. More...

template<class S >
	SPxLPBase (const SPxLPBase< S > &old)
	Copy constructor. More...

SPxLPBase< R > &	operator= (const SPxLPBase< R > &old)
	Assignment operator. More...

template<class S >
SPxLPBase< R > &	operator= (const SPxLPBase< S > &old)
	Assignment operator. More...

Protected Attributes

SLUFactor	m_slu
	LU Factorisation. More...

SPxSolver	m_solver
	solver More...

SPxScaler *	m_preScaler
	pre-scaler More...

SPxScaler *	m_postScaler
	post-scaler More...

SPxSimplifier *	m_simplifier
	simplifier More...

bool	m_vanished
	did the presolver solve the problem ? More...

bool	m_freePreScaler
	true iff m_preScaler should be freed inside of this object More...

bool	m_freePostScaler
	true iff m_postScaler should be freed inside of this object More...

bool	m_freeSimplifier
	true iff m_simplifier should be freed inside of this object More...

DataArray< SPxSolver::VarStatus >	m_colsbasisstatus

DataArray< SPxSolver::VarStatus >	m_rowsbasisstatus

Protected Attributes inherited from ClassArray< Nonzero< R > >
int	thesize
	number of used elements in array data More...

int	themax
	the length of array data and More...

Nonzero< R > *	data
	the array of elements More...

double	memFactor
	memory extension factor. More...

Private Member Functions

void	unsimplify () const
	undoes preprocessing such that the unsimplified solution values and basis is available More...

Additional Inherited Members
Public Types inherited from SPxLPBase< R >
enum	SPxSense { MAXIMIZE = 1, MINIMIZE = -1 }
	Optimization sense. More...

Public Attributes inherited from SPxLPBase< R >
SPxOut *	spxout

Protected Member Functions inherited from SPxLPBase< R >
R &	rhs_w (int i)
	Returns right hand side of row `i`. More...

R &	lhs_w (int i)
	Returns left hand side of row `i`. More...

R &	maxRowObj_w (int i)
	Returns objective function value of row `i`. More...

R &	maxObj_w (int i)
	Returns objective value of column `i` for maximization problem. More...

R &	upper_w (int i)
	Returns upper bound of column `i`. More...

R &	lower_w (int i)
	Returns lower bound of column `i`. More...

const LPRowSetBase< R > *	lprowset () const
	Returns the LP as an LPRowSetBase. More...

const LPColSetBase< R > *	lpcolset () const
	Returns the LP as an LPColSetBase. More...

virtual void	doRemoveRow (int j)
	Internal helper method. More...

virtual void	doRemoveRows (int perm[])
	Internal helper method. More...

virtual void	doRemoveCol (int j)
	Internal helper method. More...

virtual void	doRemoveCols (int perm[])
	Internal helper method. More...

virtual void	addedRows (int)
	Called after the last `n` rows have just been added. More...

virtual void	addedCols (int)
	Called after the last `n` columns have just been added. More...

void	added2Set (SVSetBase< R > &set, const SVSetBase< R > &addset, int n)

Protected Member Functions inherited from LPRowSetBase< R >
const SVSetBase< R > *	rowSet () const
	Returns the complete SVSet. More...

int	num () const
	Returns the number of LPRowBases in LPRowSetBase. More...

int	max () const
	Returns the maximum number of LPRowBases that fit. More...

const VectorBase< R > &	lhs () const
	Returns the vector of lhs values. More...

VectorBase< R > &	lhs_w ()
	Returns the vector of lhs values. More...

const R &	lhs (int i) const
	Returns the lhs of the `i` 'th LPRowBase. More...

R &	lhs_w (int i)
	Returns the lhs of the `i` 'th LPRowBase. More...

const R &	lhs (const DataKey &k) const
	Returns the lhs of the LPRowBase with DataKey `k` in LPRowSetBase. More...

R &	lhs_w (const DataKey &k)
	Returns the lhs of the LPRowBase with DataKey `k` in LPRowSetBase. More...

const VectorBase< R > &	rhs () const
	Returns the vector of rhs values. More...

VectorBase< R > &	rhs_w ()
	Returns the vector of rhs values (writeable). More...

const R &	rhs (int i) const
	Returns the rhs of the `i` 'th LPRowBase. More...

R &	rhs_w (int i)
	Returns the rhs of the `i` 'th LPRowBase (writeable). More...

const R &	rhs (const DataKey &k) const
	Returns the rhs of the LPRowBase with DataKey `k` in LPRowSetBase. More...

R &	rhs_w (const DataKey &k)
	Returns the rhs of the LPRowBase with DataKey `k` in LPRowSetBase (writeable). More...

const VectorBase< R > &	obj () const
	Returns the vector of objective coefficients. More...

VectorBase< R > &	obj_w ()
	Returns the vector of objective coefficients (writeable). More...

const R &	obj (int i) const
	Returns the objective coefficient of the `i` 'th LPRowBase. More...

R &	obj_w (int i)
	Returns the objective coefficient of the `i` 'th LPRowBase (writeable). More...

const R &	obj (const DataKey &k) const
	Returns the objective coefficient of the LPRowBase with DataKey `k` in LPRowSetBase. More...

R &	obj_w (const DataKey &k)
	Returns the objective coefficient of the LPRowBase with DataKey `k` in LPRowSetBase (writeable). More...

SVectorBase< R > &	rowVector_w (int i)
	Returns a writable rowVector of the `i` 'th LPRowBase. More...

const SVectorBase< R > &	rowVector (int i) const
	Returns the rowVector of the `i` 'th LPRowBase. More...

SVectorBase< R > &	rowVector_w (const DataKey &k)
	Returns a writable rowVector of the LPRowBase with DataKey `k`. More...

const SVectorBase< R > &	rowVector (const DataKey &k) const
	Returns the rowVector of the LPRowBase with DataKey `k`. More...

LPRowBase< R >::Type	type (int i) const
	Returns the inequalitiy type of the `i` 'th LPRowBase. More...

LPRowBase< R >::Type	type (const DataKey &k) const
	Returns the inequality type of the LPRowBase with DataKey `k`. More...

void	setType (int i, typename LPRowBase< R >::Type t)
	Changes the inequality type of row `i` to `type`. More...

const R &	value (int i) const
	Returns the value of the `i'th` LPRowBase. More...

const R &	value (const DataKey &k) const
	Returns the value of the LPRowBase with DataKey `k`. More...

DataKey	key (int i) const
	Returns the DataKey of the `i` 'th LPRowBase in LPRowSetBase. More...

int	number (const DataKey &k) const
	Returns the number of the LPRowBase with DataKey `k` in LPRowSetBase. More...

bool	has (const DataKey &k) const
	does DataKey `k` belong to LPRowSetBase ? More...

void	add (const LPRowBase< R > &row)

void	add (DataKey &pkey, const LPRowBase< R > &prow)
	Adds `row` to LPRowSetBase. More...

void	add (const R &plhs, const SVectorBase< R > &prowVector, const R &prhs, const R &pobj=0)
	Adds LPRowBase consisting of left hand side `lhs`, row vector `rowVector`, and right hand side `rhs` to LPRowSetBase. More...

template<class S >
void	add (const S lhsValue, const S rowValues, const int rowIndices, int rowSize, const S rhsValue, const S *objValue=0)
	Adds LPRowBase consisting of left hand side `lhs`, row vector `rowVector`, and right hand side `rhs` to LPRowSetBase. More...

template<class S >
void	add (DataKey &newkey, const S lhsValue, const S rowValues, const int rowIndices, int rowSize, const S rhsValue, const S *objValue=0)
	Adds LPRowBase consisting of left hand side `lhs`, row vector `rowVector`, and right hand side `rhs` to LPRowSetBase, with DataKey `key`. More...

void	add (DataKey &newkey, const R &newlhs, const SVectorBase< R > &newrowVector, const R &newrhs, const R &newobj=0)
	Adds LPRowBase consisting of left hand side `lhs`, row vector `rowVector`, and right hand side `rhs` to LPRowSetBase, with DataKey `key`. More...

void	add (const LPRowSetBase< R > &newset)

void	add (DataKey keys[], const LPRowSetBase< R > &set)
	Adds all LPRowBases of `set` to LPRowSetBase. More...

void	xtend (int n, int newmax)
	Extends row `n` to fit `newmax` nonzeros. More...

void	xtend (const DataKey &pkey, int pnewmax)
	Extends row with DataKey `key` to fit `newmax` nonzeros. More...

void	add2 (const DataKey &k, int n, const int idx[], const R val[])
	Adds `n` nonzero (`idx`, `val`)-pairs to rowVector with DataKey `k`. More...

void	add2 (int i, int n, const int idx[], const R val[])
	Adds `n` nonzero (`idx`, `val`)-pairs to `i` 'th rowVector. More...

template<class S >
void	add2 (int i, int n, const int idx[], const S val[])
	Adds `n` nonzero (`idx`, `val`)-pairs to `i` 'th rowVector. More...

SVectorBase< R > &	create (int pnonzeros=0, const R &plhs=0, const R &prhs=1, const R &pobj=0)
	Creates new LPRowBase with specified parameters and returns a reference to its row vector. More...

SVectorBase< R > &	create (DataKey &newkey, int nonzeros=0, const R &newlhs=0, const R &newrhs=1, const R &newobj=0)
	Creates new LPRowBase with specified parameters and returns a reference to its row vector. More...

void	remove (int i)
	Removes `i` 'th LPRowBase. More...

void	remove (const DataKey &k)
	Removes LPRowBase with DataKey `k`. More...

void	remove (int perm[])
	Removes multiple LPRowBases. More...

void	remove (const int nums[], int n)
	Removes `n` LPRowBases with row numbers given by `nums`. More...

void	remove (const int nums[], int n, int *perm)
	Removes `n` LPRowBases with row numbers given by `nums`, Stores permutation of row indices in `perm`. More...

void	clear ()
	Removes all LPRowBases. More...

void	reMax (int newmax=0)
	Reallocates memory to be able to store `newmax` LPRowBases. More...

int	memSize () const
	Returns number of used nonzero entries. More...

int	memMax () const
	Returns length of nonzero memory. More...

void	memRemax (int newmax)
	Reallocates memory to be able to store `newmax` nonzeros. More...

void	memPack ()
	Garbage collection in nonzero memory. More...

bool	isConsistent () const
	Checks consistency. More...

	LPRowSetBase (int pmax=-1, int pmemmax=-1)
	Default constructor. More...

LPRowSetBase< R > &	operator= (const LPRowSetBase< R > &rs)
	Assignment operator. More...

template<class S >
LPRowSetBase< R > &	operator= (const LPRowSetBase< S > &rs)
	Assignment operator. More...

	LPRowSetBase (const LPRowSetBase< R > &rs)
	Copy constructor. More...

template<class S >
	LPRowSetBase (const LPRowSetBase< S > &rs)
	Copy constructor. More...

virtual	~LPRowSetBase ()
	Destructor. More...

Protected Member Functions inherited from SVSetBase< R >
void	add (const SVectorBase< R > &svec)
	Adds `svec` to the set. More...

void	add (DataKey &nkey, const SVectorBase< R > &svec)
	Adds `svec` to SVSetBase. More...

template<class S >
void	add (DataKey &nkey, const S rowValues, const int rowIndices, int rowSize)
	Adds `svec` to SVSetBase. More...

void	add (const SVectorBase< R > svec[], int n)
	Adds all `n` SVectorBases in the array `svec` to the set. More...

void	add (DataKey nkey[], const SVectorBase< R > svec[], int n)
	Adds n SVectorBases to SVSetBase. More...

template<class S >
void	add (const SVSetBase< S > &pset)
	Adds all SVectorBases in `pset` to SVSetBase. More...

template<class S >
void	add (DataKey nkey[], const SVSetBase< S > &pset)
	Adds all SVectorBases of `pset` to SVSetBase. More...

SVectorBase< R > *	create (int idxmax=0)
	Creates new SVectorBase in set. More...

SVectorBase< R > *	create (DataKey &nkey, int idxmax=-1)
	Creates new SVectorBase in set. More...

void	xtend (SVectorBase< R > &svec, int newmax)
	Extends `svec` to fit `newmax` nonzeros. More...

void	add2 (SVectorBase< R > &svec, int idx, R val)
	Adds nonzero (`idx`, `val`) to `svec` of this SVSetBase. More...

void	add2 (SVectorBase< R > &svec, int n, const int idx[], const R val[])
	Adds `n` nonzeros to `svec` of this SVSetBase. More...

template<class S >
void	add2 (SVectorBase< R > &svec, int n, const int idx[], const S val[])
	Adds `n` nonzeros to `svec` of this SVSetBase. More...

void	remove (const DataKey &removekey)
	Removes the vector with key `removekey` from the set. More...

void	remove (int removenum)
	Removes the vector with number `removenum` from the set. More...

void	remove (const SVectorBase< R > *svec)
	Removes one SVectorBase from set. More...

void	remove (int perm[])
	Removes multiple elements. More...

void	remove (const DataKey keys[], int n)
	Removes `n` SVectorBases from set. More...

void	remove (const int nums[], int n)
	Removes `n` SVectorBases from set. More...

void	remove (const DataKey keys[], int n, int *perm)

void	remove (const int nums[], int n, int *perm)

void	clear (int minNewSize=-1)
	Removes all SVectorBases from set. More...

SVectorBase< R > &	operator[] (int n)
	Gets SVectorBase by number, writeable. More...

const SVectorBase< R > &	operator[] (int n) const
	Gets SVectorBase by number. More...

SVectorBase< R > &	operator[] (const DataKey &k)
	Gets SVectorBase by DataKey, writeable. More...

const SVectorBase< R > &	operator[] (const DataKey &k) const
	Gets SVectorBase by DataKey. More...

int	num () const
	Current number of SVectorBases. More...

int	max () const
	Current maximum number of SVectorBases. More...

DataKey	key (int n) const
	Gets DataKey of vector number. More...

DataKey	key (const SVectorBase< R > *svec) const
	Gets DataKey of SVectorBase. More...

int	number (const DataKey &k) const
	Gets vector number of DataKey. More...

int	number (const SVectorBase< R > *svec) const
	Gets vector number of SVectorBase. More...

bool	has (const DataKey &k) const
	True iff SVSetBase contains a SVectorBase for DataKey `k`. More...

bool	has (int n) const
	True iff SVSetBase contains a SVectorBase for vector number n. More...

bool	has (const SVectorBase< R > *svec) const
	Is an SVectorBase in the set? More...

int	memSize () const
	Used nonzero memory. More...

int	memMax () const
	Length of nonzero memory. More...

void	memRemax (int newmax)
	Reset length of nonzero memory. More...

void	memPack ()
	Garbage collection in nonzero memory. More...

void	reMax (int newmax=0)
	Resets maximum number of SVectorBases. More...

bool	isConsistent () const
	Consistency check. More...

	SVSetBase (int pmax=-1, int pmemmax=-1, double pfac=1.1, double pmemFac=1.2)
	Default constructor. More...

virtual	~SVSetBase ()
	Destructor. More...

SVSetBase< R > &	operator= (const SVSetBase< R > &rhs)
	Assignment operator. More...

template<class S >
SVSetBase< R > &	operator= (const SVSetBase< S > &rhs)
	Assignment operator. More...

	SVSetBase (const SVSetBase< R > &old)
	Copy constructor. More...

template<class S >
	SVSetBase (const SVSetBase< S > &old)
	Copy constructor. More...

Protected Member Functions inherited from ClassArray< Nonzero< R > >
Nonzero< R > &	operator[] (int n)
	Reference to `n` 'th element. More...

const Nonzero< R > &	operator[] (int n) const
	Reference to `n` 'th const element. More...

Nonzero< R > &	last ()
	Reference to last element. More...

const Nonzero< R > &	last () const
	Reference to last const element. More...

Nonzero< R > *	get_ptr ()
	Gets a C pointer to the data. More...

const Nonzero< R > *	get_const_ptr () const
	Gets a const C pointer to the data. More...

void	append (const Nonzero< R > &t)
	Appends element `t`. More...

void	append (int n, const Nonzero< R > t[])
	Appends `n` elements from `t`. More...

void	append (const ClassArray< Nonzero< R > > &t)
	Appends all elements from `t`. More...

void	insert (int i, int n)
	Inserts `n` uninitialized elements before `i` 'th element. More...

void	insert (int i, int n, const Nonzero< R > t[])
	Inserts `n` elements from `t` before `i` 'the element. More...

void	insert (int i, const ClassArray< Nonzero< R > > &t)
	Inserts all elements from `t` before `i` 'th element. More...

void	remove (int n=0, int m=1)
	Removes `m` elements starting at `n`. More...

void	removeLast (int m=1)
	Removes `m` last elements. More...

void	clear ()
	Removes all elements. More...

int	size () const
	Returns number of elements. More...

void	reSize (int newsize)
	Resets size to `newsize`. More...

int	max () const
	Returns maximum number of elements. More...

ptrdiff_t	reMax (int newMax=1, int newSize=-1)
	Resets maximum number of elements. More...

ClassArray &	operator= (const ClassArray &rhs)
	Assignment operator. More...

bool	isConsistent () const
	Consistency check. More...

	ClassArray (const ClassArray &old)
	Copy constructor. More...

	ClassArray (int p_size=0, int p_max=0, double p_fac=1.2)
	Default constructor. More...

virtual	~ClassArray ()
	Destructor. More...

Protected Member Functions inherited from LPColSetBase< R >
const SVSetBase< R > *	colSet () const
	Returns the complete SVSetBase. More...

int	num () const
	Returns the number of LPColBases currently in LPColSetBase. More...

int	max () const
	Returns maximum number of LPColBases currently fitting into LPColSetBase. More...

const VectorBase< R > &	maxObj () const

VectorBase< R > &	maxObj_w ()
	Returns vector of objective values w.r.t. maximization. More...

const R &	maxObj (int i) const

R &	maxObj_w (int i)
	Returns objective value (w.r.t. maximization) of `i` 'th LPColBase in LPColSetBase. More...

const R &	maxObj (const DataKey &k) const

R &	maxObj_w (const DataKey &k)
	Returns objective value (w.r.t. maximization) of LPColBase with DataKey `k` in LPColSetBase. More...

const VectorBase< R > &	lower () const

VectorBase< R > &	lower_w ()
	Returns vector of lower bound values. More...

const R &	lower (int i) const

R &	lower_w (int i)
	Returns lower bound of `i` 'th LPColBase in LPColSetBase. More...

const R &	lower (const DataKey &k) const

R &	lower_w (const DataKey &k)
	Returns lower bound of LPColBase with DataKey `k` in LPColSetBase. More...

const VectorBase< R > &	upper () const

VectorBase< R > &	upper_w ()
	Returns vector of upper bound values. More...

const R &	upper (int i) const

R &	upper_w (int i)
	Returns upper bound of `i` 'th LPColBase in LPColSetBase. More...

const R &	upper (const DataKey &k) const

R &	upper_w (const DataKey &k)
	Returns upper bound of LPColBase with DataKey `k` in LPColSetBase. More...

SVectorBase< R > &	colVector_w (int i)

const SVectorBase< R > &	colVector (int i) const
	Returns colVector of `i` 'th LPColBase in LPColSetBase. More...

SVectorBase< R > &	colVector_w (const DataKey &k)
	Returns writeable colVector of LPColBase with DataKey `k` in LPColSetBase. More...

const SVectorBase< R > &	colVector (const DataKey &k) const
	Returns colVector of LPColBase with DataKey `k` in LPColSetBase. More...

DataKey	key (int i) const
	Returns DataKey of `i` 'th LPColBase in LPColSetBase. More...

int	number (const DataKey &k) const
	Returns number of LPColBase with DataKey `k` in LPColSetBase. More...

bool	has (const DataKey &k) const
	Does DataKey `k` belong to LPColSetBase ? More...

void	add (const LPColBase< R > &pcol)

void	add (DataKey &pkey, const LPColBase< R > &pcol)
	Adds p pcol to LPColSetBase. More...

void	add (const R &pobj, const R &plower, const SVectorBase< R > &pcolVector, const R &pupper)

void	add (DataKey &newkey, const R &obj, const R &newlower, const SVectorBase< R > &newcolVector, const R &newupper)
	Adds LPColBase consisting of objective value `obj`, lower bound `lower`, column vector `colVector` and upper bound `upper` to LPColSetBase. More...

template<class S >
void	add (const S obj, const S lowerValue, const S colValues, const int colIndices, int colSize, const S *upperValue)
	Adds LPColBase consisting of left hand side `lhs`, column vector `colVector`, and right hand side `rhs` to LPColSetBase. More...

template<class S >
void	add (DataKey &newkey, const S objValue, const S lowerValue, const S colValues, const int colIndices, int colSize, const S *upperValue)
	Adds LPColBase consisting of left hand side `lhs`, column vector `colVector`, and right hand side `rhs` to LPColSetBase, with DataKey `key`. More...

void	add (const LPColSetBase< R > &newset)

void	add (DataKey keys[], const LPColSetBase< R > &newset)
	Adds all LPColBases of `set` to LPColSetBase. More...

void	xtend (int n, int newmax)
	Extends column `n` to fit `newmax` nonzeros. More...

void	xtend (const DataKey &pkey, int pnewmax)
	Extends column with DataKey `key` to fit `newmax` nonzeros. More...

void	add2 (const DataKey &k, int n, const int idx[], const R val[])

void	add2 (int i, int n, const int idx[], const R val[])
	Adds `n` nonzero (`idx`, `val`)-pairs to `i` 'th colVector. More...

template<class S >
void	add2 (int i, int n, const int idx[], const S val[])
	Adds `n` nonzero (`idx`, `val`)-pairs to `i` 'th colVector. More...

SVectorBase< R > &	create (int pnonzeros=0, const R &pobj=1, const R &plw=0, const R &pupp=1)

SVectorBase< R > &	create (DataKey &newkey, int nonzeros=0, const R &obj=1, const R &newlow=0, const R &newup=1)
	Creates new LPColBase with specified arguments and returns a reference to its column vector. More...

void	remove (int i)
	Removes `i` 'th LPColBase. More...

void	remove (const DataKey &k)
	Removes LPColBase with DataKey `k`. More...

void	remove (int perm[])
	Removes multiple elements. More...

void	remove (const int nums[], int n)
	Removes LPColBases with numbers `nums`, where `n` is the length of the array `nums`. More...

void	remove (const int nums[], int n, int *perm)
	Removes LPColBases with numbers `nums`, where `n` is the length of the array `nums`, and stores the index permutation in array `perm`. More...

void	clear ()
	Removes all LPColBases from the set. More...

void	reMax (int newmax=0)
	Reallocates memory to be able to store `newmax` LPColBases. More...

int	memSize () const
	Returns used nonzero memory. More...

int	memMax () const
	Returns length of nonzero memory. More...

void	memRemax (int newmax)
	Resets length of nonzero memory. More...

void	memPack ()
	Garbage collection in nonzero memory. More...

bool	isConsistent () const
	Checks consistency. More...

	LPColSetBase (int pmax=-1, int pmemmax=-1)
	Default constructor. More...

LPColSetBase< R > &	operator= (const LPColSetBase< R > &rs)
	Assignment operator. More...

template<class S >
LPColSetBase< R > &	operator= (const LPColSetBase< S > &rs)
	Assignment operator. More...

	LPColSetBase (const LPColSetBase< R > &rs)
	Copy constructor. More...

template<class S >
	LPColSetBase (const LPColSetBase< S > &rs)
	Copy constructor. More...

virtual	~LPColSetBase ()
	Destructor. More...

Detailed Description

Preconfigured SoPlexLegacy LP-solver.

Definition at line 41 of file soplexlegacy.h.

Constructor & Destructor Documentation

SoPlexLegacy	(	SPxOut &	outstream,
		SPxSolver::Type	type = `SPxSolver::LEAVE`,
		SPxSolver::Representation	rep = `SPxSolver::COLUMN`
	)

explicit

default construtor.

Definition at line 23 of file soplexlegacy.cpp.

References SPxLPBase< R >::isConsistent(), SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, SPxSolver::setOutstream(), SPxSolver::setPricer(), SPxSolver::setSolver(), SPxSolver::setStarter(), and SPxSolver::setTester().

~SoPlexLegacy ( )

virtual

Definition at line 42 of file soplexlegacy.cpp.

References SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freePreScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, and SoPlexLegacy::m_simplifier.

SoPlexLegacy ( const SoPlexLegacy & old )

copy constructor.

Definition at line 139 of file soplexlegacy.cpp.

References SPxScaler::clone(), SPxSimplifier::clone(), SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freePreScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, and SPxSolver::setSolver().

Member Function Documentation

virtual void clearBasis ( )

virtual

clear starting basis

Definition at line 183 of file soplexlegacy.h.

References DataArray< T >::clear(), and SPxSolver::reLoad().

virtual Real delta ( ) const

virtual

guaranteed primal and dual bound violation for optimal solution, returning the maximum of feastol() and opttol(), i.e., the less tight tolerance.

Definition at line 230 of file soplexlegacy.h.

References SPxSolver::delta().

virtual Real feastol ( ) const

virtual

allowed primal feasibility tolerance.

Definition at line 220 of file soplexlegacy.h.

References SPxSolver::feastol().

SPxSolver::Status getBasis	(	SPxSolver::VarStatus	rows[],
		SPxSolver::VarStatus	cols[]
	)		const

get current basis, and return solver status.

Definition at line 487 of file soplexlegacy.cpp.

References SPxSimplifier::getBasis(), SPxSolver::getBasis(), SPxSolver::getBasisStatus(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxLPBase< R >::nCols(), SPxBasis::NO_PROBLEM, SPxLPBase< R >::nRows(), SPxBasis::SINGULAR, SPxSolver::status(), SPxSolver::UNDEFINED, and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta().

SPxSolver::VarStatus getBasisColStatus ( int col ) const

gets basis status for a single column.

Definition at line 470 of file soplexlegacy.cpp.

References SPxSimplifier::getBasisColStatus(), SPxSolver::getBasisColStatus(), SPxSolver::getBasisStatus(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxBasis::NO_PROBLEM, SPxBasis::SINGULAR, SPxSolver::UNDEFINED, and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta(), and SoPlexLegacy::writeBasisFile().

SPxSolver::VarStatus getBasisRowStatus ( int row ) const

gets basis status for a single row.

Definition at line 453 of file soplexlegacy.cpp.

References SPxSimplifier::getBasisRowStatus(), SPxSolver::getBasisRowStatus(), SPxSolver::getBasisStatus(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxBasis::NO_PROBLEM, SPxBasis::SINGULAR, SPxSolver::UNDEFINED, and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta(), and SoPlexLegacy::writeBasisFile().

const char* getColName	(	int	idx,
		const NameSet *	cnames,
		char *	buf
	)

Definition at line 276 of file soplexlegacy.h.

References SPxLPBase< R >::cId(), NameSet::has(), LPColSetBase< R >::key(), and SPxLPBase< R >::nCols().

Referenced by SoPlexLegacy::writeBasisFile().

SPxSolver::Status getDual ( Vector & vector ) const

virtual

Definition at line 385 of file soplexlegacy.cpp.

References SPxSolver::getDual(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscaleDual(), SPxSimplifier::unsimplifiedDual(), and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta().

SPxSolver::Status getDualfarkas ( Vector & vector ) const

virtual

Exceptions

SPxStatusException if simplifier loaded, this is not yet implemented

Does not work yet with presolve

Definition at line 537 of file soplexlegacy.cpp.

References SPxSolver::getDualfarkas(), SoPlexLegacy::has_simplifier(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_solver, MSG_ERROR, and SPxScaler::unscaleDual().

Referenced by SoPlexLegacy::getRowName().

virtual int getFactorCount ( ) const

virtual

number of factorizations performed

Definition at line 342 of file soplexlegacy.h.

References SLUFactor::getFactorCount().

virtual Real getFactorTime ( ) const

virtual

time spent in factorizations

Definition at line 337 of file soplexlegacy.h.

References SLUFactor::getFactorTime(), and REAL.

SPxSolver::Status getPrimal ( Vector & vector ) const

virtual

Definition at line 317 of file soplexlegacy.cpp.

References SPxSolver::getPrimal(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscalePrimal(), SPxSimplifier::unsimplifiedPrimal(), and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::objValue(), SoPlexLegacy::qualBoundViolation(), SoPlexLegacy::qualConstraintViolation(), and SoPlexLegacy::setDelta().

SPxSolver::Status getPrimalray ( Vector & vector ) const

virtual

Exceptions

SPxStatusException if simplifier loaded, this is not yet implemented

Does not work yet with presolve

Definition at line 518 of file soplexlegacy.cpp.

References SPxSolver::getPrimalray(), SoPlexLegacy::has_simplifier(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_solver, MSG_ERROR, and SPxScaler::unscalePrimal().

Referenced by SoPlexLegacy::getRowName().

SPxSolver::Status getRedCost ( Vector & vector ) const

virtual

Definition at line 419 of file soplexlegacy.cpp.

References SPxSolver::getRedCost(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscaleRedCost(), SPxSimplifier::unsimplifiedRedCost(), and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta().

const char* getRowName	(	int	idx,
		const NameSet *	rnames,
		char *	buf
	)

Definition at line 297 of file soplexlegacy.h.

References SoPlexLegacy::getDualfarkas(), SoPlexLegacy::getPrimalray(), NameSet::has(), LPColSetBase< R >::key(), SPxLPBase< R >::nRows(), SoPlexLegacy::qualBoundViolation(), SoPlexLegacy::qualConstraintViolation(), and SPxLPBase< R >::rId().

Referenced by SoPlexLegacy::writeBasisFile().

SPxSolver::Status getSlacks ( Vector & vector ) const

virtual

Definition at line 351 of file soplexlegacy.cpp.

References SPxSolver::getSlacks(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscaleSlacks(), SPxSimplifier::unsimplifiedSlacks(), and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::setDelta().

virtual int getSolveCount ( ) const

virtual

number of solves performed

Definition at line 352 of file soplexlegacy.h.

References SLUFactor::getSolveCount().

virtual Real getSolveTime ( ) const

virtual

time spent in solves

Definition at line 347 of file soplexlegacy.h.

References SLUFactor::getSolveTime(), and REAL.

bool has_postscaler ( ) const

has a postscaler been set?

Definition at line 145 of file soplexlegacy.h.

bool has_prescaler ( ) const

has a prescaler been set?

Definition at line 140 of file soplexlegacy.h.

bool has_simplifier ( ) const

has a simplifier been set?

Definition at line 135 of file soplexlegacy.h.

Referenced by SoPlexLegacy::getBasis(), SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getDual(), SoPlexLegacy::getDualfarkas(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getPrimalray(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::setBasis(), and SoPlexLegacy::unsimplify().

virtual int iteration ( ) const

virtual

Definition at line 357 of file soplexlegacy.h.

References SPxSolver::basis(), and SPxBasis::iteration().

Real objValue ( ) const

virtual

Definition at line 232 of file soplexlegacy.cpp.

References SoPlexLegacy::getPrimal(), SPxLPBase< R >::maxObj(), SPxLPBase< R >::nCols(), and SPxLPBase< R >::spxSense().

Referenced by SoPlexLegacy::setDelta().

SoPlexLegacy & operator= ( const SoPlexLegacy & rhs )

assignment operator.

Definition at line 67 of file soplexlegacy.cpp.

References SPxScaler::clone(), SPxSimplifier::clone(), SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freePreScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxLPBase< Real >::operator=(), and SPxSolver::setSolver().

virtual Real opttol ( ) const

virtual

allowed optimality, i.e., dual feasibility tolerance.

Definition at line 225 of file soplexlegacy.h.

References SPxSolver::opttol().

SPxSolver::Pricing pricing ( ) const

return current Pricing.

Definition at line 99 of file soplexlegacy.h.

References SPxSolver::pricing().

void qualBoundViolation	(	Real &	maxviol,
		Real &	sumviol
	)		const

virtual

get violations of bounds.

Definition at line 594 of file soplexlegacy.cpp.

References SoPlexLegacy::getPrimal(), SPxLPBase< R >::lower(), SPxLPBase< R >::nCols(), soplex::spxAbs(), and SPxLPBase< R >::upper().

Referenced by SoPlexLegacy::getRowName().

void qualConstraintViolation	(	Real &	maxviol,
		Real &	sumviol
	)		const

virtual

get violation of constraints.

Definition at line 557 of file soplexlegacy.cpp.

References SoPlexLegacy::getPrimal(), SVectorBase< R >::index(), SPxLPBase< R >::lhs(), SPxLPBase< R >::nCols(), SPxLPBase< R >::nRows(), SPxLPBase< R >::rhs(), SPxLPBase< R >::rowVector(), SVectorBase< R >::size(), soplex::spxAbs(), and SVectorBase< R >::value().

Referenced by SoPlexLegacy::getRowName().

bool readBasisFile	(	const char *	filename,
		const NameSet *	rowNames,
		const NameSet *	colNames
	)

virtual

Load basis from filename in MPS format. If rowNames and colNames are NULL, default names are used for the constraints and variables.

Definition at line 624 of file soplexlegacy.cpp.

References SPxSolver::loadLP(), SoPlexLegacy::m_solver, and SPxSolver::readBasisFile().

Referenced by SoPlexLegacy::status().

SPxSolver::Representation rep ( ) const

return current basis representation.

Definition at line 114 of file soplexlegacy.h.

References SPxSolver::rep().

Referenced by SoPlexLegacy::writeBasisFile().

virtual void setBasis	(	SPxSolver::VarStatus	rows[],
		SPxSolver::VarStatus	cols[]
	)

virtual

Exceptions

SPxStatusException if simplifier loaded, this is not yet implemented set starting basis

Definition at line 166 of file soplexlegacy.h.

References SoPlexLegacy::has_simplifier(), MSG_ERROR, SPxLPBase< R >::nCols(), SPxLPBase< R >::nRows(), and DataArray< T >::reSize().

virtual void setDelta ( Real d )

virtual

set parameter delta, i.e., set feastol and opttol to same value.

Definition at line 245 of file soplexlegacy.h.

References SoPlexLegacy::getBasis(), SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getDual(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::objValue(), SPxSolver::setDelta(), and SoPlexLegacy::solve().

virtual void setFeastol ( Real d )

virtual

set parameter feastol.

Definition at line 235 of file soplexlegacy.h.

References SPxSolver::setFeastol().

virtual void setOpttol ( Real d )

virtual

set parameter opttol.

Definition at line 240 of file soplexlegacy.h.

References SPxSolver::setOpttol().

void setPostScaler	(	SPxScaler *	scaler,
		const bool	destroy = `false`
	)

virtual

setup postscaler to use. If destroy is true, scaler will be freed in destructor.

Definition at line 202 of file soplexlegacy.cpp.

References SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_postScaler, SPxScaler::setOutstream(), and SPxLPBase< R >::spxout.

Referenced by SoPlexLegacy::setRep().

void setPreScaler	(	SPxScaler *	scaler,
		const bool	destroy = `false`
	)

virtual

setup prescaler to use. If destroy is true, scaler will be freed in destructor.

Definition at line 186 of file soplexlegacy.cpp.

References SoPlexLegacy::m_freePreScaler, SoPlexLegacy::m_preScaler, SPxScaler::setOutstream(), and SPxLPBase< R >::spxout.

Referenced by SoPlexLegacy::setRep().

virtual void setPricer	(	SPxPricer *	pricer,
		const bool	destroy = `false`
	)

virtual

setup pricer to use.

Definition at line 150 of file soplexlegacy.h.

References SPxSolver::setPricer().

virtual void setPricing ( SPxSolver::Pricing pr )

virtual

set FULL or PARTIAL pricing.

Definition at line 104 of file soplexlegacy.h.

References SPxSolver::setPricing().

virtual void setRep ( SPxSolver::Representation p_rep )

virtual

set ROW or COLUMN representation.

Definition at line 124 of file soplexlegacy.h.

References SoPlexLegacy::setPostScaler(), SoPlexLegacy::setPreScaler(), SPxSolver::setRep(), and SoPlexLegacy::setSimplifier().

void setSimplifier	(	SPxSimplifier *	simpli,
		const bool	destroy = `false`
	)

virtual

setup simplifier to use. If destroy is true, simpli will be freed in destructor.

Definition at line 218 of file soplexlegacy.cpp.

References SoPlexLegacy::m_freeSimplifier, and SoPlexLegacy::m_simplifier.

Referenced by SoPlexLegacy::setRep().

virtual void setStarter	(	SPxStarter *	starter,
		const bool	destroy = `false`
	)

virtual

setup starting basis generator to use.

Definition at line 160 of file soplexlegacy.h.

References SPxSolver::setStarter().

virtual void setTerminationIter ( int iter = -1 )

virtual

set iteration limit.

Definition at line 200 of file soplexlegacy.h.

References SPxSolver::setTerminationIter().

virtual void setTerminationTime ( Real time = infinity )

virtual

set time limit.

Definition at line 190 of file soplexlegacy.h.

References SPxSolver::setTerminationTime().

virtual void setTerminationValue ( Real val = infinity )

virtual

set objective limit.

Definition at line 210 of file soplexlegacy.h.

References SPxSolver::setTerminationValue().

virtual void setTester	(	SPxRatioTester *	tester,
		const bool	destroy = `false`
	)

virtual

setup ratio-tester to use.

Definition at line 155 of file soplexlegacy.h.

References SPxSolver::setTester().

virtual void setType ( SPxSolver::Type tp )

virtual

set LEAVE or ENTER algorithm.

Definition at line 119 of file soplexlegacy.h.

References SPxSolver::setType().

virtual void setUtype ( SLUFactor::UpdateType tp )

virtual

message handler

set verbosity set update type for factorization.

Definition at line 94 of file soplexlegacy.h.

References SLUFactor::setUtype().

SPxSolver::Status solve ( )

virtual

Exceptions

SPxStatusException if no problem loaded

Definition at line 242 of file soplexlegacy.cpp.

References SPxSolver::basis(), SPxBasis::desc(), SPxSolver::epsilon(), SPxSolver::feastol(), SPxRatioTester::getName(), SPxSimplifier::INFEASIBLE, SPxBasis::INFEASIBLE, SPxSolver::INFEASIBLE, SPxSolver::isBasisValid(), SPxBasis::isDescValid(), SPxSolver::loadBasis(), SPxSolver::loadLP(), SoPlexLegacy::m_colsbasisstatus, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_preScaler, SoPlexLegacy::m_rowsbasisstatus, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxLPBase< R >::nCols(), SPxLPBase< R >::nRows(), SPxSimplifier::OKAY, SPxSolver::OPTIMAL, SPxSolver::opttol(), SPxSolver::ratiotester(), SPxScaler::scale(), SPxSolver::setBasis(), SPxSolver::setBasisStatus(), SPxLPBase< R >::setOutstream(), SPxSimplifier::simplify(), SPxBasis::SINGULAR, SPxSolver::solve(), SPxLPBase< R >::spxout, SPxBasis::status(), SPxSimplifier::UNBOUNDED, SPxBasis::UNBOUNDED, SPxSolver::UNBOUNDED, and SPxSimplifier::VANISHED.

Referenced by SoPlexLegacy::setDelta().

std::string statistics ( ) const

returns statistical information in form of a string.

Definition at line 405 of file soplexlegacy.h.

References SPxSolver::statistics(), and SoPlexLegacy::unsimplify().

virtual SPxSolver::Status status ( ) const

virtual

returns the current status

Definition at line 367 of file soplexlegacy.h.

References SPxSolver::OPTIMAL, SoPlexLegacy::readBasisFile(), SPxSolver::status(), SoPlexLegacy::writeBasisFile(), and SoPlexLegacy::writeState().

Referenced by SoPlexLegacy::unsimplify(), and SoPlexLegacy::writeBasisFile().

virtual bool terminate ( )

virtual

Definition at line 362 of file soplexlegacy.h.

References SPxSolver::terminate().

int terminationIter ( ) const

return iteration limit.

Definition at line 205 of file soplexlegacy.h.

References SPxSolver::terminationIter().

Real terminationTime ( ) const

return time limit.

Definition at line 195 of file soplexlegacy.h.

References SPxSolver::terminationTime().

Real terminationValue ( ) const

return objective limit.

Definition at line 215 of file soplexlegacy.h.

References SPxSolver::terminationValue().

SPxSolver::Type type ( ) const

return current Type.

Definition at line 109 of file soplexlegacy.h.

References SPxSolver::type().

void unsimplify ( ) const

private

undoes preprocessing such that the unsimplified solution values and basis is available

Definition at line 719 of file soplexlegacy.cpp.

References SPxSolver::getBasis(), SPxSolver::getDual(), SPxSolver::getPrimal(), SPxSolver::getRedCost(), SPxSolver::getSlacks(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxLPBase< R >::nCols(), SPxLPBase< R >::nRows(), SPxSolver::OPTIMAL, SPxSolver::REGULAR, soplex::spx_alloc(), soplex::spx_free(), SoPlexLegacy::status(), SPxScaler::unscaleDual(), SPxScaler::unscalePrimal(), SPxScaler::unscaleRedCost(), SPxScaler::unscaleSlacks(), and SPxSimplifier::unsimplify().

Referenced by SoPlexLegacy::getBasis(), SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getDual(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::statistics(), and SoPlexLegacy::writeBasisFile().

bool writeBasisFile	(	const char *	filename,
		const NameSet *	rowNames,
		const NameSet *	colNames
	)

virtual

Write basis to filename in MPS format. If rowNames and colNames are NULL, default names are used for the constraints and variables.

Definition at line 635 of file soplexlegacy.cpp.

References SPxSolver::BASIC, SPxSolver::COLUMN, SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getColName(), SoPlexLegacy::getRowName(), SPxLPBase< R >::nCols(), SPxSolver::NO_PROBLEM, SPxLPBase< R >::nRows(), SPxSolver::ON_UPPER, SoPlexLegacy::rep(), SoPlexLegacy::status(), and SoPlexLegacy::unsimplify().

Referenced by SoPlexLegacy::status().

bool writeState	(	const char *	filename,
		const NameSet *	rowNames = `NULL`,
		const NameSet *	colNames = `NULL`
	)		const

virtual

Write LP, basis and parameter settings of the current SPxSolver object (i.e. after simplifying and scaling). LP is written in MPS format to "\p filename".mps, basis is written in "\p filename".bas, and parameters are written to "\p filename".set. If rowNames and colNames are NULL, default names are used for the constraints and variables.

Definition at line 710 of file soplexlegacy.cpp.

References SoPlexLegacy::m_solver, and SPxSolver::writeState().

Referenced by SoPlexLegacy::status().