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SoPlex

Sequential object-oriented simPlex

SPxMainSM::TightenBoundsPS Class Reference

Postsolves variable bound tightening from pseudo objective propagation. More...

Public Member Functions

 TightenBoundsPS (const SPxLP &lp, int j, Real origupper, Real origlower)
 
 TightenBoundsPS (const TightenBoundsPS &old)
 copy constructor More...
 
TightenBoundsPSoperator= (const TightenBoundsPS &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 Real m_origupper
 
const Real m_origlower
 

Additional Inherited Members

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

Detailed Description

Postsolves variable bound tightening from pseudo objective propagation.

Definition at line 1220 of file spxmainsm.h.

Constructor & Destructor Documentation

◆ TightenBoundsPS() [1/2]

TightenBoundsPS ( const SPxLP lp,
int  j,
Real  origupper,
Real  origlower 
)

Definition at line 1229 of file spxmainsm.h.

◆ TightenBoundsPS() [2/2]

TightenBoundsPS ( const TightenBoundsPS old)

copy constructor

Definition at line 1237 of file spxmainsm.h.

Member Function Documentation

◆ clone()

virtual PostStep* clone ( ) const
virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 1249 of file spxmainsm.h.

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

◆ execute()

void execute ( DVector x,
DVector y,
DVector s,
DVector r,
DataArray< SPxSolver::VarStatus > &  cBasis,
DataArray< SPxSolver::VarStatus > &  rBasis,
bool  isOptimal 
) const
virtual

◆ operator=()

TightenBoundsPS& operator= ( const TightenBoundsPS rhs)

assignment operator

Definition at line 1244 of file spxmainsm.h.

Member Data Documentation

◆ m_j

const int m_j
private

Definition at line 1223 of file spxmainsm.h.

◆ m_origlower

const Real m_origlower
private

Definition at line 1225 of file spxmainsm.h.

◆ m_origupper

const Real m_origupper
private

Definition at line 1224 of file spxmainsm.h.