SoPlex
Sequential object-oriented simPlex
Sequential object-oriented simPlex
Preconfigured SoPlexLegacy LP-solver. More...
#include <soplexlegacy.h>
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 | 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_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) |
| void | unscaleLP () |
| unscales the lp and clears basis More... | |
| template<> | |
| void | computePrimalActivity (const VectorBase< Rational > &primal, VectorBase< Rational > &activity, const bool unscaled) const |
| template<> | |
| void | computeDualActivity (const VectorBase< Rational > &dual, VectorBase< Rational > &activity, const bool unscaled) const |
| template<> | |
| Rational | maxAbsNzo (bool) const |
| template<> | |
| Rational | minAbsNzo (bool) const |
| 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<> | |
| void | buildDualProblem (SPxLPBase< Rational > &dualLP, SPxRowId primalRowIds[], SPxColId primalColIds[], SPxRowId dualRowIds[], SPxColId dualColIds[], int *nprimalrows, int *nprimalcols, int *ndualrows, int *ndualcols) |
| Building the dual problem from a given LP. More... | |
| template<> | |
| void | unscaleLP () |
| template<> | |
| void | computePrimalActivity (const VectorBase< Real > &primal, VectorBase< Real > &activity, const bool unscaled) const |
| template<> | |
| void | computeDualActivity (const VectorBase< Real > &dual, VectorBase< Real > &activity, const bool unscaled) const |
| template<> | |
| Real | maxAbsNzo (bool unscaled) const |
| template<> | |
| Real | minAbsNzo (bool unscaled) const |
| template<> | |
| void | getObjUnscaled (VectorBase< Real > &pobj) const |
| Gets unscaled objective vector. More... | |
| template<> | |
| void | getRowVectorUnscaled (int i, DSVectorBase< Real > &vec) const |
Gets unscaled row vector of row i. More... | |
| template<> | |
| void | getRhsUnscaled (VectorBase< Real > &vec) const |
| Gets unscaled right hand side vector. More... | |
| template<> | |
| Real | rhsUnscaled (int i) const |
Returns unscaled right hand side of row number i. More... | |
| template<> | |
| Real | rhsUnscaled (const SPxRowId &id) const |
Returns unscaled right hand side of row with identifier id. More... | |
| template<> | |
| void | getLhsUnscaled (VectorBase< Real > &vec) const |
| Returns unscaled left hand side vector. More... | |
| template<> | |
| Real | lhsUnscaled (int i) const |
Returns unscaled left hand side of row number i. More... | |
| template<> | |
| Real | lhsUnscaled (const SPxRowId &id) const |
Returns left hand side of row with identifier id. More... | |
| template<> | |
| void | getColVectorUnscaled (int i, DSVectorBase< Real > &vec) const |
Gets column vector of column i. More... | |
| template<> | |
| void | getColVectorUnscaled (const SPxColId &id, DSVectorBase< Real > &vec) const |
Gets column vector of column with identifier id. More... | |
| template<> | |
| Real | objUnscaled (int i) const |
Returns unscaled objective value of column i. More... | |
| template<> | |
| Real | objUnscaled (const SPxColId &id) const |
Returns unscaled objective value of column with identifier id. More... | |
| template<> | |
| void | maxObjUnscaled (VectorBase< Real > &vec) const |
| Returns unscaled objective vector for maximization problem. More... | |
| template<> | |
| Real | maxObjUnscaled (int i) const |
Returns unscaled objective value of column i for maximization problem. More... | |
| template<> | |
| Real | maxObjUnscaled (const SPxColId &id) const |
Returns unscaled objective value of column with identifier id for maximization problem. More... | |
| template<> | |
| void | getUpperUnscaled (DVector &vec) const |
| Returns unscaled upper bound vector. More... | |
| template<> | |
| Real | upperUnscaled (int i) const |
Returns unscaled upper bound of column i. More... | |
| template<> | |
| Real | upperUnscaled (const SPxColId &id) const |
Returns unscaled upper bound of column with identifier id. More... | |
| template<> | |
| void | getLowerUnscaled (DVector &vec) const |
| Returns unscaled lower bound vector. More... | |
| template<> | |
| Real | lowerUnscaled (int i) const |
Returns unscaled lower bound of column i. More... | |
| template<> | |
| Real | lowerUnscaled (const SPxColId &id) const |
Returns unscaled lower bound of column with identifier id. More... | |
| template<> | |
| void | changeMaxObj (const VectorBase< Real > &newObj, bool scale) |
Changes objective vector to newObj. More... | |
| template<> | |
| void | changeLower (const VectorBase< Real > &newLower, bool scale) |
Changes vector of lower bounds to newLower. More... | |
| template<> | |
| void | changeUpper (const VectorBase< Real > &newUpper, bool scale) |
Changes vector of upper bounds to newUpper. More... | |
| template<> | |
| void | changeLhs (const VectorBase< Real > &newLhs, bool scale) |
Changes left hand side vector for constraints to newLhs. More... | |
| template<> | |
| void | changeRhs (const VectorBase< Real > &newRhs, bool scale) |
Changes right hand side vector for constraints to newRhs. 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... | |
| template<> | |
| void | buildDualProblem (SPxLPBase< Real > &dualLP, SPxRowId primalRowIds[], SPxColId primalColIds[], SPxRowId dualRowIds[], SPxColId dualColIds[], int *nprimalrows, int *nprimalcols, int *ndualrows, int *ndualcols) |
| Building the dual problem from a given LP. More... | |
| bool | isScaled () const |
| Returns true if and only if the LP is scaled. More... | |
| void | setScalingInfo (bool scaled) |
| set whether the LP is scaled or not 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... | |
| virtual R | minAbsNzo (bool unscaled=true) const |
| Absolute smallest non-zero element in (possibly scaled) LP. More... | |
| virtual R | maxAbsNzo (bool unscaled=true) const |
| Absolute biggest non-zero element in (in rational case possibly scaled) 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... | |
| void | getRowVectorUnscaled (int i, DSVectorBase< Real > &vec) const |
Gets unscaled row vector of row i. More... | |
| const VectorBase< R > & | rhs () const |
| Returns right hand side vector. More... | |
| const R & | rhs (int i) const |
Returns right hand side of row number i. More... | |
| const R & | rhs (const SPxRowId &id) const |
Returns right hand side of row with identifier id. More... | |
| void | getRhs (VectorBase< R > &vec) const |
| Gets (internal and possibly scaled) right hand side vector. More... | |
| void | getRhsUnscaled (VectorBase< Real > &vec) const |
| Gets unscaled right hand side vector. More... | |
| R | rhsUnscaled (int i) const |
Returns unscaled right hand side of row number i. More... | |
| R | rhsUnscaled (const SPxRowId &id) const |
Returns unscaled 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 |
Returns left hand side of row number i. More... | |
| 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... | |
| void | getLhsUnscaled (VectorBase< Real > &vec) const |
| Returns unscaled left hand side vector. More... | |
| R | lhsUnscaled (int i) const |
Returns unscaled left hand side of row number i. More... | |
| R | lhsUnscaled (const SPxRowId &id) const |
Returns left hand side 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 | getColVectorUnscaled (int i, DSVectorBase< Real > &vec) const |
Gets column vector of column i. More... | |
| void | getColVectorUnscaled (const SPxColId &id, DSVectorBase< Real > &vec) const |
Gets column vector of column with identifier id. More... | |
| void | getObjUnscaled (VectorBase< Real > &pobj) const |
| Gets unscaled objective vector. 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... | |
| R | objUnscaled (int i) const |
Returns unscaled objective value of column i. More... | |
| R | objUnscaled (const SPxColId &id) const |
Returns unscaled 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... | |
| void | maxObjUnscaled (VectorBase< Real > &vec) const |
| Returns unscaled objective vector for maximization problem. More... | |
| R | maxObjUnscaled (int i) const |
Returns unscaled objective value of column i for maximization problem. More... | |
| R | maxObjUnscaled (const SPxColId &id) const |
Returns unscaled 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... | |
| void | getUpperUnscaled (DVector &vec) const |
| Gets unscaled upper bound vector. More... | |
| R | upperUnscaled (int i) const |
Returns unscaled upper bound of column i. More... | |
| R | upperUnscaled (const SPxColId &id) const |
Returns unscaled upper bound of column with identifier id. More... | |
| const VectorBase< R > & | lower () const |
| Returns (internal and possibly scaled) lower bound vector. More... | |
| const R & | lower (int i) const |
Returns (internal and possibly scaled) lower bound of column i. More... | |
| const R & | lower (const SPxColId &id) const |
Returns (internal and possibly scaled) lower bound of column with identifier id. More... | |
| void | getLowerUnscaled (DVector &vec) const |
| Gets unscaled lower bound vector. More... | |
| R | lowerUnscaled (int i) const |
Returns unscaled lower bound of column i. More... | |
| R | lowerUnscaled (const SPxColId &id) const |
Returns unscaled 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, bool scale=false) |
| virtual void | addRow (const R &lhsValue, const SVectorBase< R > &rowVec, const R &rhsValue, bool scale=false) |
| 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, bool scale=false) |
Adds row to LPRowSetBase. More... | |
| virtual void | addRows (const LPRowSetBase< R > &pset, bool scale=false) |
| 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, bool scale=false) |
adds all LPRowBases of pset to LPRowSetBase. More... | |
| virtual void | addCol (const LPColBase< R > &col, bool scale=false) |
| virtual void | addCol (const R &objValue, const R &lowerValue, const SVectorBase< R > &colVec, const R &upperValue, bool scale=false) |
| 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, bool scale=false) |
Adds col to LPColSetVBase. More... | |
| virtual void | addCols (const LPColSetBase< R > &pset, bool scale=false) |
| 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, bool scale=false) |
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, bool scale=false) |
Changes objective vector to newObj. scale determines whether the new data should be scaled. More... | |
| virtual void | changeObj (int i, const R &newVal, bool scale=false) |
changes i 'th objective vector element to newVal. scale determines whether the new data should be scaled 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, bool scale=false) |
Changes objective value of column with identifier id to newVal. scale determines whether the new data should be scaled. More... | |
| virtual void | changeMaxObj (const VectorBase< R > &newObj, bool scale=false) |
Changes objective vector to newObj. scale determines whether the new data should be scaled. More... | |
| virtual void | changeMaxObj (int i, const R &newVal, bool scale=false) |
changes i 'th objective vector element to newVal. scale determines whether the new data should be scaled 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, bool scale=false) |
Changes objective value of column with identifier id to newVal. scale determines whether the new data should be scaled. More... | |
| virtual void | changeLower (const VectorBase< R > &newLower, bool scale=false) |
Changes vector of lower bounds to newLower. scale determines whether the new data should be scaled. More... | |
| virtual void | changeLower (int i, const R &newLower, bool scale=false) |
changes i 'th lower bound to newLower. scale determines whether the new data should be scaled 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, bool scale=false) |
changes lower bound of column with identifier id to newLower. scale determines whether the new data should be scaled More... | |
| virtual void | changeUpper (const VectorBase< R > &newUpper, bool scale=false) |
Changes vector of upper bounds to newUpper. scale determines whether the new data should be scaled. More... | |
| virtual void | changeUpper (int i, const R &newUpper, bool scale=false) |
Changes i 'th upper bound to newUpper. scale determines whether the new data should be scaled. 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, bool scale=false) |
Changes upper bound of column with identifier id to newLower. scale determines whether the new data should be scaled. More... | |
| virtual void | changeBounds (const VectorBase< R > &newLower, const VectorBase< R > &newUpper, bool scale=false) |
Changes variable bounds to newLower and newUpper. scale determines whether the new data should be scaled. More... | |
| virtual void | changeBounds (int i, const R &newLower, const R &newUpper, bool scale=false) |
Changes bounds of column i to newLower and newUpper. scale determines whether the new data should be scaled. 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, bool scale=false) |
Changes bounds of column with identifier id. scale determines whether the new data should be scaled. More... | |
| virtual void | changeLhs (const VectorBase< R > &newLhs, bool scale=false) |
Changes left hand side vector for constraints to newLhs. scale determines whether the new data should be scaled. More... | |
| virtual void | changeLhs (int i, const R &newLhs, bool scale=false) |
Changes i 'th left hand side value to newLhs. scale determines whether the new data should be scaled. 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, bool scale=false) |
Changes left hand side value for row with identifier id. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRhs (const VectorBase< R > &newRhs, bool scale=false) |
Changes right hand side vector for constraints to newRhs. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRhs (int i, const R &newRhs, bool scale=false) |
Changes i 'th right hand side value to newRhs. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRhs (SPxRowId id, const R &newRhs, bool scale=false) |
Changes right hand side value for row with identifier id. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRange (const VectorBase< R > &newLhs, const VectorBase< R > &newRhs, bool scale=false) |
Changes left and right hand side vectors. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRange (int i, const R &newLhs, const R &newRhs, bool scale=false) |
Changes left and right hand side of row i. scale determines whether the new data should be scaled. 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, bool scale=false) |
Changes left and right hand side of row with identifier id. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRowObj (const VectorBase< R > &newRowObj, bool scale=false) |
Changes row objective function vector to newRowObj. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRowObj (int i, const R &newRowObj, bool scale=false) |
Changes i 'th row objective function value to newRowObj. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRowObj (SPxRowId id, const R &newRowObj, bool scale=false) |
Changes row objective function value for row with identifier id. scale determines whether the new data should be scaled. More... | |
| virtual void | clearRowObjs () |
| Clears row objective function values for all rows. More... | |
| virtual void | changeRow (int n, const LPRowBase< R > &newRow, bool scale=false) |
Replaces i 'th row of LP with newRow. scale determines whether the new data should be scaled. More... | |
| virtual void | changeRow (SPxRowId id, const LPRowBase< R > &newRow, bool scale=false) |
Replaces row with identifier id with newRow. scale determines whether the new data should be scaled. More... | |
| virtual void | changeCol (int n, const LPColBase< R > &newCol, bool scale=false) |
Replaces i 'th column of LP with newCol. scale determines whether the new data should be scaled. More... | |
| virtual void | changeCol (SPxColId id, const LPColBase< R > &newCol, bool scale=false) |
Replaces column with identifier id with newCol. scale determines whether the new data should be scaled. More... | |
| virtual void | changeElement (int i, int j, const R &val, bool scale=false) |
Changes LP element (i, j) to val. scale determines whether the new data should be scaled. 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, bool scale=false) |
Changes LP element identified by (rid, cid) to val. scale determines whether the new data should be scaled. 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 bool unscaled=true) 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 bool unscaled=true) 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... | |
| virtual void | buildDualProblem (SPxLPBase< R > &dualLP, SPxRowId primalRowIds[]=0, SPxColId primalColIds[]=0, SPxRowId dualRowIds[]=0, SPxColId dualColIds[]=0, int *nprimalrows=0, int *nprimalcols=0, int *ndualrows=0, int *ndualcols=0) |
| Building the dual problem from a given LP. 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_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 LPRowSetBase< R > | |
| DataArray< int > | scaleExp |
| row scaling factors (stored as bitshift) More... | |
| 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... | |
| Protected Attributes inherited from LPColSetBase< R > | |
| DataArray< int > | scaleExp |
| column scaling factors (stored as bitshift) 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 newrows) |
Called after the last n rows have just been added. More... | |
| virtual void | addedCols (int newcols) |
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, const int &pscaleExp=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, const int &newscaleExp=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, const int &pscaleExp=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, const int &newscaleExp=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, const int &pscaleExp=0) |
| void | add (DataKey &newkey, const R &obj, const R &newlower, const SVectorBase< R > &newcolVector, const R &newupper, const int &newscaleExp=0) |
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, const int &pscaleExp=0) |
| SVectorBase< R > & | create (DataKey &newkey, int nonzeros=0, const R &obj=1, const R &newlow=0, const R &newup=1, const int &newscaleExp=0) |
| 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... | |
Preconfigured SoPlexLegacy LP-solver.
Definition at line 41 of file soplexlegacy.h.
|
explicit |
default construtor.
Definition at line 23 of file soplexlegacy.cpp.
References SPxLPBase< R >::isConsistent(), SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, SPxSolver::setBasisSolver(), SPxSolver::setOutstream(), SPxSolver::setPricer(), SPxSolver::setStarter(), and SPxSolver::setTester().
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virtual |
Definition at line 41 of file soplexlegacy.cpp.
References SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, and SoPlexLegacy::m_simplifier.
| SoPlexLegacy | ( | const SoPlexLegacy & | old | ) |
copy constructor.
Definition at line 113 of file soplexlegacy.cpp.
References SPxScaler::clone(), SPxSimplifier::clone(), SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, and SPxSolver::setBasisSolver().
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virtual |
clear starting basis
Definition at line 175 of file soplexlegacy.h.
References DataArray< T >::clear(), and SPxSolver::reLoad().
|
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 222 of file soplexlegacy.h.
References SPxSolver::delta().
|
virtual |
allowed primal feasibility tolerance.
Definition at line 212 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 397 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 380 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 363 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 268 of file soplexlegacy.h.
References SPxLPBase< R >::cId(), NameSet::has(), LPColSetBase< R >::key(), and SPxLPBase< R >::nCols().
Referenced by SoPlexLegacy::writeBasisFile().
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virtual |
Definition at line 311 of file soplexlegacy.cpp.
References SPxSolver::getDual(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscaleDual(), SPxSimplifier::unsimplifiedDual(), and SoPlexLegacy::unsimplify().
Referenced by SoPlexLegacy::setDelta().
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virtual |
| SPxStatusException | if simplifier loaded, this is not yet implemented |
Does not work yet with presolve
Definition at line 444 of file soplexlegacy.cpp.
References SPxSolver::getDualfarkas(), SoPlexLegacy::has_simplifier(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_solver, MSG_ERROR, and SPxScaler::unscaleDual().
Referenced by SoPlexLegacy::getRowName().
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virtual |
number of factorizations performed
Definition at line 334 of file soplexlegacy.h.
References SLUFactor::getFactorCount().
|
virtual |
time spent in factorizations
Definition at line 329 of file soplexlegacy.h.
References SLUFactor::getFactorTime(), and REAL.
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virtual |
Definition at line 259 of file soplexlegacy.cpp.
References SPxSolver::getPrimal(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, 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().
|
virtual |
| SPxStatusException | if simplifier loaded, this is not yet implemented |
Does not work yet with presolve
Definition at line 428 of file soplexlegacy.cpp.
References SPxSolver::getPrimalray(), SoPlexLegacy::has_simplifier(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_solver, MSG_ERROR, and SPxScaler::unscalePrimal().
Referenced by SoPlexLegacy::getRowName().
|
virtual |
Definition at line 337 of file soplexlegacy.cpp.
References SPxSolver::getRedCost(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, 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 289 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().
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virtual |
Definition at line 285 of file soplexlegacy.cpp.
References SPxSolver::getSlacks(), SoPlexLegacy::has_simplifier(), SPxSimplifier::isUnsimplified(), SoPlexLegacy::m_postScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxSolver::OPTIMAL, SPxSolver::status(), SPxScaler::unscaleSlacks(), SPxSimplifier::unsimplifiedSlacks(), and SoPlexLegacy::unsimplify().
Referenced by SoPlexLegacy::setDelta().
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virtual |
number of solves performed
Definition at line 344 of file soplexlegacy.h.
References SLUFactor::getSolveCount().
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virtual |
time spent in solves
Definition at line 339 of file soplexlegacy.h.
References SLUFactor::getSolveTime(), and REAL.
| bool has_postscaler | ( | ) | const |
has a postscaler been set?
Definition at line 137 of file soplexlegacy.h.
| bool has_simplifier | ( | ) | const |
has a simplifier been set?
Definition at line 132 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().
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virtual |
Definition at line 349 of file soplexlegacy.h.
References SPxSolver::basis(), and SPxBasis::iteration().
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virtual |
Definition at line 178 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 59 of file soplexlegacy.cpp.
References SPxScaler::clone(), SPxSimplifier::clone(), SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_freeSimplifier, SoPlexLegacy::m_postScaler, SoPlexLegacy::m_simplifier, SoPlexLegacy::m_slu, SoPlexLegacy::m_solver, SoPlexLegacy::m_vanished, SPxLPBase< Real >::operator=(), and SPxSolver::setBasisSolver().
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virtual |
allowed optimality, i.e., dual feasibility tolerance.
Definition at line 217 of file soplexlegacy.h.
References SPxSolver::opttol().
| SPxSolver::Pricing pricing | ( | ) | const |
return current Pricing.
Definition at line 98 of file soplexlegacy.h.
References SPxSolver::pricing().
get violations of bounds.
Definition at line 498 of file soplexlegacy.cpp.
References SoPlexLegacy::getPrimal(), SPxLPBase< R >::lower(), SPxLPBase< R >::nCols(), soplex::spxAbs(), and SPxLPBase< R >::upper().
Referenced by SoPlexLegacy::getRowName().
get violation of constraints.
Definition at line 461 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().
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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 528 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 113 of file soplexlegacy.h.
References SPxSolver::rep().
Referenced by SoPlexLegacy::writeBasisFile().
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virtual |
| SPxStatusException | if simplifier loaded, this is not yet implemented set starting basis |
Definition at line 158 of file soplexlegacy.h.
References SoPlexLegacy::has_simplifier(), MSG_ERROR, SPxLPBase< R >::nCols(), SPxLPBase< R >::nRows(), and DataArray< T >::reSize().
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virtual |
set parameter delta, i.e., set feastol and opttol to same value.
Definition at line 237 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().
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virtual |
set parameter feastol.
Definition at line 227 of file soplexlegacy.h.
References SPxSolver::setFeastol().
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virtual |
set parameter opttol.
Definition at line 232 of file soplexlegacy.h.
References SPxSolver::setOpttol().
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virtual |
setup postscaler to use. If destroy is true, scaler will be freed in destructor.
Definition at line 148 of file soplexlegacy.cpp.
References SoPlexLegacy::m_freePostScaler, SoPlexLegacy::m_postScaler, SPxScaler::setOutstream(), and SPxLPBase< R >::spxout.
Referenced by SoPlexLegacy::setRep().
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virtual |
setup pricer to use.
Definition at line 142 of file soplexlegacy.h.
References SPxSolver::setPricer().
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virtual |
set FULL or PARTIAL pricing.
Definition at line 103 of file soplexlegacy.h.
References SPxSolver::setPricing().
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virtual |
set ROW or COLUMN representation.
Definition at line 123 of file soplexlegacy.h.
References SoPlexLegacy::setPostScaler(), SPxSolver::setRep(), and SoPlexLegacy::setSimplifier().
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virtual |
setup simplifier to use. If destroy is true, simpli will be freed in destructor.
Definition at line 164 of file soplexlegacy.cpp.
References SoPlexLegacy::m_freeSimplifier, and SoPlexLegacy::m_simplifier.
Referenced by SoPlexLegacy::setRep().
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virtual |
setup starting basis generator to use.
Definition at line 152 of file soplexlegacy.h.
References SPxSolver::setStarter().
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virtual |
set iteration limit.
Definition at line 192 of file soplexlegacy.h.
References SPxSolver::setTerminationIter().
set time limit.
Definition at line 182 of file soplexlegacy.h.
References SPxSolver::setTerminationTime().
set objective limit.
Definition at line 202 of file soplexlegacy.h.
References SPxSolver::setTerminationValue().
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virtual |
setup ratio-tester to use.
Definition at line 147 of file soplexlegacy.h.
References SPxSolver::setTester().
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virtual |
set LEAVE or ENTER algorithm.
Definition at line 118 of file soplexlegacy.h.
References SPxSolver::setType().
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virtual |
message handler
set verbosity set update type for factorization.
Definition at line 93 of file soplexlegacy.h.
References SLUFactor::setUtype().
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virtual |
| SPxStatusException | if no problem loaded |
Definition at line 188 of file soplexlegacy.cpp.
References SPxSolver::basis(), DataArray< T >::clear(), SPxBasis::desc(), SPxSolver::epsilon(), SPxSolver::feastol(), DataArray< T >::get_const_ptr(), SPxRatioTester::getName(), SPxSimplifier::INFEASIBLE, SPxBasis::INFEASIBLE, SPxSolver::INFEASIBLE, SPxSolver::isBasisValid(), SPxBasis::isDescValid(), SPxSolver::loadBasis(), SPxSolver::loadLP(), SoPlexLegacy::m_colsbasisstatus, SoPlexLegacy::m_postScaler, 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, DataArray< T >::size(), 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 397 of file soplexlegacy.h.
References SPxSolver::statistics(), and SoPlexLegacy::unsimplify().
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virtual |
returns the current status
Definition at line 359 of file soplexlegacy.h.
References SPxSolver::OPTIMAL, SoPlexLegacy::readBasisFile(), SPxSolver::status(), SoPlexLegacy::writeBasisFile(), and SoPlexLegacy::writeState().
Referenced by SoPlexLegacy::unsimplify(), and SoPlexLegacy::writeBasisFile().
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virtual |
Definition at line 354 of file soplexlegacy.h.
References SPxSolver::terminate().
| int terminationIter | ( | ) | const |
return iteration limit.
Definition at line 197 of file soplexlegacy.h.
References SPxSolver::terminationIter().
| Real terminationTime | ( | ) | const |
return time limit.
Definition at line 187 of file soplexlegacy.h.
References SPxSolver::terminationTime().
| Real terminationValue | ( | ) | const |
return objective limit.
Definition at line 207 of file soplexlegacy.h.
References SPxSolver::terminationValue().
| SPxSolver::Type type | ( | ) | const |
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undoes preprocessing such that the unsimplified solution values and basis is available
Definition at line 623 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().
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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 539 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().
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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 614 of file soplexlegacy.cpp.
References SoPlexLegacy::m_solver, and SPxSolver::writeState().
Referenced by SoPlexLegacy::status().
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Definition at line 57 of file soplexlegacy.h.
Referenced by SoPlexLegacy::solve().
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true iff m_postScaler should be freed inside of this object
Definition at line 55 of file soplexlegacy.h.
Referenced by SoPlexLegacy::operator=(), SoPlexLegacy::setPostScaler(), SoPlexLegacy::SoPlexLegacy(), and SoPlexLegacy::~SoPlexLegacy().
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true iff m_preScaler should be freed inside of this object
Definition at line 54 of file soplexlegacy.h.
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true iff m_simplifier should be freed inside of this object
Definition at line 56 of file soplexlegacy.h.
Referenced by SoPlexLegacy::operator=(), SoPlexLegacy::setSimplifier(), SoPlexLegacy::SoPlexLegacy(), and SoPlexLegacy::~SoPlexLegacy().
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post-scaler
Definition at line 51 of file soplexlegacy.h.
Referenced by SoPlexLegacy::getDual(), SoPlexLegacy::getDualfarkas(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getPrimalray(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::operator=(), SoPlexLegacy::setPostScaler(), SoPlexLegacy::solve(), SoPlexLegacy::SoPlexLegacy(), SoPlexLegacy::unsimplify(), and SoPlexLegacy::~SoPlexLegacy().
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Definition at line 58 of file soplexlegacy.h.
Referenced by SoPlexLegacy::solve().
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simplifier
Definition at line 52 of file soplexlegacy.h.
Referenced by SoPlexLegacy::getBasis(), SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getDual(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::operator=(), SoPlexLegacy::setSimplifier(), SoPlexLegacy::solve(), SoPlexLegacy::SoPlexLegacy(), SoPlexLegacy::unsimplify(), and SoPlexLegacy::~SoPlexLegacy().
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LU Factorisation.
Definition at line 49 of file soplexlegacy.h.
Referenced by SoPlexLegacy::operator=(), and SoPlexLegacy::SoPlexLegacy().
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solver
Definition at line 50 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::operator=(), SoPlexLegacy::readBasisFile(), SoPlexLegacy::solve(), SoPlexLegacy::SoPlexLegacy(), SoPlexLegacy::unsimplify(), and SoPlexLegacy::writeState().
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did the presolver solve the problem ?
Definition at line 53 of file soplexlegacy.h.
Referenced by SoPlexLegacy::getBasis(), SoPlexLegacy::getBasisColStatus(), SoPlexLegacy::getBasisRowStatus(), SoPlexLegacy::getDual(), SoPlexLegacy::getPrimal(), SoPlexLegacy::getRedCost(), SoPlexLegacy::getSlacks(), SoPlexLegacy::operator=(), SoPlexLegacy::solve(), and SoPlexLegacy::unsimplify().