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SoPlex

Sequential object-oriented simPlex

SPxMainSM::FreeZeroObjVariablePS Class Reference

Postsolves the case when constraints are removed due to a variable with zero objective that is free in one direction. More...

Public Member Functions

 FreeZeroObjVariablePS (const SPxLP &lp, int _j, bool loFree, SVector col_idx_sorted)
 
 FreeZeroObjVariablePS (const FreeZeroObjVariablePS &old)
 copy constructor More...
 
FreeZeroObjVariablePSoperator= (const FreeZeroObjVariablePS &rhs)
 assignment operator More...
 
virtual PostStepclone () const
 clone function for polymorphism More...
 
virtual void execute (DVector &x, DVector &y, DVector &s, DVector &r, DataArray< SPxSolver::VarStatus > &cBasis, DataArray< SPxSolver::VarStatus > &rBasis, bool isOptimal) const
 
- Public Member Functions inherited from SPxMainSM::PostStep
 PostStep (const char *p_name, int nR=0, int nC=0)
 constructor. More...
 
 PostStep (const PostStep &old)
 copy constructor. More...
 
PostStepoperator= (const PostStep &)
 assignment operator More...
 
virtual ~PostStep ()
 destructor. More...
 
virtual const char * getName () const
 get name of simplifying step. More...
 
virtual bool checkBasisDim (DataArray< SPxSolver::VarStatus > rows, DataArray< SPxSolver::VarStatus > cols) const
 

Private Attributes

const int m_j
 
const int m_old_j
 
const int m_old_i
 
const Real m_bnd
 
DSVector m_col
 
DSVector m_lRhs
 
DSVector m_rowObj
 
Array< DSVectorm_rows
 
const bool m_loFree
 

Additional Inherited Members

- Static Public Member Functions inherited from SPxMainSM::PostStep
static Real eps ()
 

Detailed Description

Postsolves the case when constraints are removed due to a variable with zero objective that is free in one direction.

Definition at line 580 of file spxmainsm.h.

Constructor & Destructor Documentation

◆ FreeZeroObjVariablePS() [1/2]

◆ FreeZeroObjVariablePS() [2/2]

copy constructor

Definition at line 624 of file spxmainsm.h.

Member Function Documentation

◆ clone()

virtual PostStep* clone ( ) const
virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 651 of file spxmainsm.h.

References SPxMainSM::PostStep::execute(), SPxMainSM::FreeZeroObjVariablePS, and soplex::spx_alloc().

◆ execute()

◆ operator=()

Member Data Documentation

◆ m_bnd

const Real m_bnd
private

Definition at line 586 of file spxmainsm.h.

◆ m_col

DSVector m_col
private

Definition at line 587 of file spxmainsm.h.

Referenced by SPxMainSM::FreeZeroObjVariablePS::operator=().

◆ m_j

const int m_j
private

Definition at line 583 of file spxmainsm.h.

◆ m_loFree

const bool m_loFree
private

Definition at line 591 of file spxmainsm.h.

◆ m_lRhs

DSVector m_lRhs
private

Definition at line 588 of file spxmainsm.h.

Referenced by SPxMainSM::FreeZeroObjVariablePS::operator=().

◆ m_old_i

const int m_old_i
private

Definition at line 585 of file spxmainsm.h.

◆ m_old_j

const int m_old_j
private

Definition at line 584 of file spxmainsm.h.

◆ m_rowObj

DSVector m_rowObj
private

Definition at line 589 of file spxmainsm.h.

Referenced by SPxMainSM::FreeZeroObjVariablePS::operator=().

◆ m_rows

Array<DSVector> m_rows
private

Definition at line 590 of file spxmainsm.h.

Referenced by SPxMainSM::FreeZeroObjVariablePS::operator=().