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SPxMainSM< R >::FixVariablePS Class Reference

Postsolves variable fixing. More...

Inheritance diagram for SPxMainSM< R >::FixVariablePS:
SPxMainSM< R >::PostStep

Public Member Functions

 FixVariablePS (const SPxLPBase< R > &lp, SPxMainSM &simplifier, int _j, const R val, std::shared_ptr< Tolerances > tols, bool correctIdx=true)
 
 FixVariablePS (const FixVariablePS &old)
 copy constructor
 
FixVariablePSoperator= (const FixVariablePS &rhs)
 assignment operator
 
virtual PostStepclone () const
 clone function for polymorphism
 
virtual void execute (VectorBase< R > &x, VectorBase< R > &y, VectorBase< R > &s, VectorBase< R > &r, DataArray< typename SPxSolverBase< R >::VarStatus > &cBasis, DataArray< typename SPxSolverBase< R >::VarStatus > &rBasis, bool isOptimal) const
 
- Public Member Functions inherited from SPxMainSM< R >::PostStep
 PostStep (const char *p_name, std::shared_ptr< Tolerances > tols, int nR=0, int nC=0)
 constructor.
 
 PostStep (const PostStep &old)
 copy constructor.
 
PostStepoperator= (const PostStep &)
 assignment operator
 
virtual ~PostStep ()
 destructor.
 
virtual const char * getName () const
 get name of simplifying step.
 
virtual bool checkBasisDim (DataArray< typename SPxSolverBase< R >::VarStatus > rows, DataArray< typename SPxSolverBase< R >::VarStatus > cols) const
 
virtual R feastol () const
 
virtual R epsilon () const
 

Private Attributes

const int m_j
 
const int m_old_j
 
const R m_val
 
const R m_obj
 
const R m_lower
 
const R m_upper
 
const bool m_correctIdx
 
DSVectorBase< R > m_col
 does the index mapping have to be updated in postsolving?
 

Detailed Description

template<class R>
class soplex::SPxMainSM< R >::FixVariablePS

Postsolves variable fixing.

Definition at line 480 of file spxmainsm.h.

Constructor & Destructor Documentation

◆ FixVariablePS() [1/2]

template<class R >
FixVariablePS ( const SPxLPBase< R > & lp,
SPxMainSM & simplifier,
int _j,
const R val,
std::shared_ptr< Tolerances > tols,
bool correctIdx = true )

◆ FixVariablePS() [2/2]

template<class R >
FixVariablePS ( const FixVariablePS & old)

copy constructor

Definition at line 509 of file spxmainsm.h.

Member Function Documentation

◆ clone()

template<class R >
virtual PostStep * clone ( ) const
virtual

clone function for polymorphism

Implements SPxMainSM< R >::PostStep.

Definition at line 532 of file spxmainsm.h.

References SPxMainSM< R >::FixVariablePS.

◆ execute()

template<class R >
virtual void execute ( VectorBase< R > & x,
VectorBase< R > & y,
VectorBase< R > & s,
VectorBase< R > & r,
DataArray< typename SPxSolverBase< R >::VarStatus > & cBasis,
DataArray< typename SPxSolverBase< R >::VarStatus > & rBasis,
bool isOptimal ) const
virtual

◆ operator=()

template<class R >
FixVariablePS & operator= ( const FixVariablePS & rhs)

assignment operator

Definition at line 521 of file spxmainsm.h.

References SPxMainSM< R >::FixVariablePS::m_col, and SPxMainSM< R >::PostStep::operator=().

Member Data Documentation

◆ m_col

template<class R >
DSVectorBase<R> m_col
private

does the index mapping have to be updated in postsolving?

Definition at line 490 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FixVariablePS::operator=().

◆ m_correctIdx

template<class R >
const bool m_correctIdx
private

Definition at line 489 of file spxmainsm.h.

◆ m_j

template<class R >
const int m_j
private

Definition at line 483 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FixVariablePS::FixVariablePS().

◆ m_lower

template<class R >
const R m_lower
private

Definition at line 487 of file spxmainsm.h.

◆ m_obj

template<class R >
const R m_obj
private

Definition at line 486 of file spxmainsm.h.

◆ m_old_j

template<class R >
const int m_old_j
private

Definition at line 484 of file spxmainsm.h.

◆ m_upper

template<class R >
const R m_upper
private

Definition at line 488 of file spxmainsm.h.

◆ m_val

template<class R >
const R m_val
private

Definition at line 485 of file spxmainsm.h.

Referenced by SPxMainSM< R >::FixVariablePS::FixVariablePS().