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| SPxEquiliSC (bool doBoth=true) |
| default constructor (this scaler makes no use of inherited member m_colFirst) More...
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| SPxEquiliSC (const SPxEquiliSC &old) |
| copy constructor More...
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SPxEquiliSC & | operator= (const SPxEquiliSC &) |
| assignment operator More...
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virtual | ~SPxEquiliSC () |
| destructor More...
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virtual SPxScaler< R > * | clone () const override |
| clone function for polymorphism More...
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virtual void | scale (SPxLPBase< R > &lp, bool persistent=false) override |
| Scale the loaded SPxLP. More...
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virtual int | computeScaleExp (const SVectorBase< R > &vec, const DataArray< int > &oldScaleExp) const |
| compute a single scaling vector , e.g. of a newly added row More...
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virtual void | applyScaling (SPxLPBase< R > &lp) |
| applies m_colscale and m_rowscale to the lp . More...
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| SPxScaler (const char *name, bool colFirst=false, bool doBoth=true, SPxOut *spxout=NULL) |
| constructor More...
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| SPxScaler (const SPxScaler &) |
| copy constructor More...
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SPxScaler & | operator= (const SPxScaler &) |
| assignment operator More...
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virtual | ~SPxScaler () |
| destructor. More...
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virtual const char * | getName () const |
| get name of scaler More...
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virtual void | setOrder (bool colFirst) |
| set scaling order More...
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virtual void | setBoth (bool both) |
| set wether column and row scaling should be performed More...
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virtual void | setOutstream (SPxOut &newOutstream) |
| set message handler More...
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virtual void | setRealParam (R param, const char *name="realparam") |
| set R parameter More...
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virtual void | setIntParam (int param, const char *name="intparam") |
| set int parameter More...
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virtual void | setTolerances (std::shared_ptr< Tolerances > &tolerances) |
| set tolerances More...
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const std::shared_ptr< Tolerances > | tolerances () const |
| get the _tolerances member variable More...
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virtual void | unscale (SPxLPBase< R > &lp) |
| unscale SPxLP More...
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virtual int | getColScaleExp (int i) const |
| returns scaling factor for column i More...
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virtual int | getRowScaleExp (int i) const |
| returns scaling factor for row i More...
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virtual void | getColUnscaled (const SPxLPBase< R > &lp, int i, DSVectorBase< R > &vec) const |
| gets unscaled column i More...
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virtual R | getColMaxAbsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns maximum absolute value of unscaled column i More...
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virtual R | getColMinAbsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns minumum absolute value of unscaled column i More...
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virtual R | upperUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns unscaled upper bound i More...
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virtual void | getUpperUnscaled (const SPxLPBase< R > &lp, VectorBase< R > &vec) const |
| returns unscaled upper bound vector of lp More...
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virtual R | lowerUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns unscaled lower bound i More...
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virtual void | getLowerUnscaled (const SPxLPBase< R > &lp, VectorBase< R > &vec) const |
| gets unscaled lower bound vector More...
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virtual R | maxObjUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns unscaled objective function coefficient of i More...
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virtual void | getMaxObjUnscaled (const SPxLPBase< R > &lp, VectorBase< R > &vec) const |
| gets unscaled objective function More...
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virtual void | getRowUnscaled (const SPxLPBase< R > &lp, int i, DSVectorBase< R > &vec) const |
| returns unscaled row i More...
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virtual R | getRowMaxAbsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns maximum absolute value of unscaled row i More...
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virtual R | getRowMinAbsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns minimum absolute value of unscaled row i More...
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virtual R | rhsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns unscaled right hand side i More...
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virtual void | getRhsUnscaled (const SPxLPBase< R > &lp, VectorBase< R > &vec) const |
| gets unscaled right hand side vector More...
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virtual R | lhsUnscaled (const SPxLPBase< R > &lp, int i) const |
| returns unscaled left hand side i of lp More...
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virtual void | getLhsUnscaled (const SPxLPBase< R > &lp, VectorBase< R > &vec) const |
| returns unscaled left hand side vector of lp More...
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virtual R | getCoefUnscaled (const SPxLPBase< R > &lp, int row, int col) const |
| returns unscaled coefficient of lp More...
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virtual void | unscalePrimal (const SPxLPBase< R > &lp, VectorBase< R > &x) const |
| unscale dense primal solution vector given in x . More...
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virtual void | unscaleSlacks (const SPxLPBase< R > &lp, VectorBase< R > &s) const |
| unscale dense slack vector given in s . More...
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virtual void | unscaleDual (const SPxLPBase< R > &lp, VectorBase< R > &pi) const |
| unscale dense dual solution vector given in pi . More...
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virtual void | unscaleRedCost (const SPxLPBase< R > &lp, VectorBase< R > &r) const |
| unscale dense reduced cost vector given in r . More...
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virtual void | unscalePrimalray (const SPxLPBase< R > &lp, VectorBase< R > &ray) const |
| unscale primal ray given in ray . More...
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virtual void | unscaleDualray (const SPxLPBase< R > &lp, VectorBase< R > &ray) const |
| unscale dual ray given in ray . More...
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virtual void | scaleObj (const SPxLPBase< R > &lp, VectorBase< R > &origObj) const |
| apply scaling to objective function vector origObj . More...
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virtual R | scaleObj (const SPxLPBase< R > &lp, int i, R origObj) const |
| returns scaled objective function coefficient origObj . More...
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virtual R | scaleElement (const SPxLPBase< R > &lp, int row, int col, R val) const |
| returns scaled LP element in row and col . More...
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virtual R | scaleLower (const SPxLPBase< R > &lp, int col, R lower) const |
| returns scaled lower bound of column col . More...
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virtual R | scaleUpper (const SPxLPBase< R > &lp, int col, R upper) const |
| returns scaled upper bound of column col . More...
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virtual R | scaleLhs (const SPxLPBase< R > &lp, int row, R lhs) const |
| returns scaled left hand side of row row . More...
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virtual R | scaleRhs (const SPxLPBase< R > &lp, int row, R rhs) const |
| returns scaled right hand side of row row . More...
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virtual R | minAbsColscale () const |
| absolute smallest column scaling factor More...
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virtual R | maxAbsColscale () const |
| absolute biggest column scaling factor More...
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virtual R | minAbsRowscale () const |
| absolute smallest row scaling factor More...
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virtual R | maxAbsRowscale () const |
| absolute biggest row scaling factor More...
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virtual R | maxColRatio (const SPxLPBase< R > &lp) const |
| maximum ratio between absolute biggest and smallest element in any column. More...
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virtual R | maxRowRatio (const SPxLPBase< R > &lp) const |
| maximum ratio between absolute biggest and smallest element in any row. More...
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void | computeExpVec (const std::vector< R > &vec, DataArray< int > &vecExp) |
| round vector entries to power of 2 More...
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virtual bool | isConsistent () const |
| consistency check More...
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template<class R>
class soplex::SPxEquiliSC< R >
Equilibrium row/column scaling.
This SPxScaler implementation performs equilibrium scaling of the LPs rows and columns.
Definition at line 45 of file spxequilisc.h.