SPxMainSM::FreeColSingletonPS Class Reference

Postsolves free column singletons. More...

Public Member Functions
	FreeColSingletonPS (const SPxLP &lp, SPxMainSM &simplifier, int _j, int _i, Real slackVal)
	FreeColSingletonPS (const FreeColSingletonPS &old)
	copy constructor More...
FreeColSingletonPS &	operator= (const FreeColSingletonPS &rhs)
	assignment operator More...
virtual PostStep *	clone () 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...
PostStep &	operator= (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_i
const int	m_old_j
const int	m_old_i
const Real	m_obj
const Real	m_lRhs
const bool	m_onLhs
const bool	m_eqCons
DSVector	m_row

Additional Inherited Members
Static Public Member Functions inherited from SPxMainSM::PostStep
static Real	eps ()

Detailed Description

Postsolves free column singletons.

Definition at line 730 of file spxmainsm.h.

Constructor & Destructor Documentation

FreeColSingletonPS() [1/2]

FreeColSingletonPS	(	const SPxLP &	lp,
		SPxMainSM &	simplifier,
		int	_j,
		int	_i,
		Real	slackVal
	)

Definition at line 745 of file spxmainsm.h.

References SPxSimplifier::addObjoffset(), and SPxLPBase< R >::obj().

FreeColSingletonPS() [2/2]

FreeColSingletonPS

(

const FreeColSingletonPS &

old

)

copy constructor

Definition at line 761 of file spxmainsm.h.

Member Function Documentation

clone()

virtual PostStep* clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 785 of file spxmainsm.h.

References SPxMainSM::PostStep::execute(), SPxMainSM::FreeColSingletonPS, 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

Implements SPxMainSM::PostStep.

Definition at line 870 of file spxmainsm.cpp.

References SPxSolver::BASIC, SPxMainSM::PostStep::checkBasisDim(), SPxSolver::FIXED, soplex::isZero(), soplex::maxAbs(), SPxSolver::ON_LOWER, and SPxSolver::ON_UPPER.

operator=()

FreeColSingletonPS& operator=

(

const FreeColSingletonPS &

rhs

)

assignment operator

Definition at line 774 of file spxmainsm.h.

References SPxMainSM::FreeColSingletonPS::m_row, and SPxMainSM::PostStep::operator=().

Member Data Documentation

m_eqCons

const bool m_eqCons

private

Definition at line 740 of file spxmainsm.h.

m_i

const int m_i

private

Definition at line 734 of file spxmainsm.h.

m_j

const int m_j

private

Definition at line 733 of file spxmainsm.h.

m_lRhs

const Real m_lRhs

private

Definition at line 738 of file spxmainsm.h.

m_obj

const Real m_obj

private

Definition at line 737 of file spxmainsm.h.

m_old_i

const int m_old_i

private

Definition at line 736 of file spxmainsm.h.

m_old_j

const int m_old_j

private

Definition at line 735 of file spxmainsm.h.

m_onLhs

const bool m_onLhs

private

Definition at line 739 of file spxmainsm.h.

m_row

DSVector m_row

private

Definition at line 741 of file spxmainsm.h.

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