SPxMainSM::DuplicateColsPS Class Reference

Postsolves duplicate columns. More...

Public Member Functions
	DuplicateColsPS (const SPxLP &lp, int _j, int _k, Real scale, DataArray< int > perm, bool isFirst=false, bool isTheLast=false)
	DuplicateColsPS (const DuplicateColsPS &old)
	copy constructor More...
DuplicateColsPS &	operator= (const DuplicateColsPS &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_k
const Real	m_loJ
const Real	m_upJ
const Real	m_loK
const Real	m_upK
const Real	m_scale
const bool	m_isFirst
const bool	m_isLast
DataArray< int >	m_perm

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

Detailed Description

Postsolves duplicate columns.

Definition at line 993 of file spxmainsm.h.

Constructor & Destructor Documentation

DuplicateColsPS() [1/2]

DuplicateColsPS	(	const SPxLP &	lp,
		int	_j,
		int	_k,
		Real	scale,
		DataArray< int >	perm,
		bool	isFirst = false,
		bool	isTheLast = false
	)

Definition at line 1008 of file spxmainsm.h.

DuplicateColsPS() [2/2]

DuplicateColsPS

(

const DuplicateColsPS &

old

)

copy constructor

Definition at line 1023 of file spxmainsm.h.

Member Function Documentation

clone()

virtual PostStep* clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 1047 of file spxmainsm.h.

References SPxMainSM::DuplicateColsPS, 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

Implements SPxMainSM::PostStep.

Definition at line 1101 of file spxmainsm.cpp.

References ASSERT_WARN, SPxSolver::BASIC, SPxMainSM::PostStep::checkBasisDim(), SPxMainSM::cIdx(), SPxSolver::FIXED, soplex::GErel(), soplex::infinity, soplex::isNotZero(), soplex::isZero(), soplex::LErel(), soplex::LTrel(), soplex::maxAbs(), SPxSolver::ON_LOWER, SPxSolver::ON_UPPER, and SPxSolver::ZERO.

operator=()

DuplicateColsPS& operator=

(

const DuplicateColsPS &

rhs

)

assignment operator

Definition at line 1037 of file spxmainsm.h.

References SPxMainSM::PostStep::operator=().

Member Data Documentation

m_isFirst

const bool m_isFirst

private

Definition at line 1003 of file spxmainsm.h.

m_isLast

const bool m_isLast

private

Definition at line 1004 of file spxmainsm.h.

m_j

const int m_j

private

Definition at line 996 of file spxmainsm.h.

m_k

const int m_k

private

Definition at line 997 of file spxmainsm.h.

m_loJ

const Real m_loJ

private

Definition at line 998 of file spxmainsm.h.

m_loK

const Real m_loK

private

Definition at line 1000 of file spxmainsm.h.

m_perm

DataArray<int> m_perm

private

Definition at line 1005 of file spxmainsm.h.

m_scale

const Real m_scale

private

Definition at line 1002 of file spxmainsm.h.

m_upJ

const Real m_upJ

private

Definition at line 999 of file spxmainsm.h.

m_upK

const Real m_upK

private

Definition at line 1001 of file spxmainsm.h.