SPxMainSM::ForceConstraintPS Class Reference

Postsolves forcing constraints. More...

Inheritance diagram for SPxMainSM::ForceConstraintPS:

Public Member Functions
	ForceConstraintPS (const SPxLP &lp, int _i, bool lhsFixed, DataArray< bool > &fixCols, DataArray< Real > &lo, DataArray< Real > &up)
	ForceConstraintPS (const ForceConstraintPS &old)
	copy constructor More...
ForceConstraintPS &	operator= (const ForceConstraintPS &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) 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_i
const int	m_old_i
const Real	m_lRhs
DSVector	m_row
DataArray< Real >	m_objs
DataArray< bool >	m_fixed
Array< DSVector >	m_cols
const bool	m_lhsFixed
const bool	m_maxSense
DataArray< Real >	m_oldLowers
DataArray< Real >	m_oldUppers
const Real	m_lhs
const Real	m_rhs
const Real	m_rowobj

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

Detailed Description

Postsolves forcing constraints.

Definition at line 352 of file spxmainsm.h.

Constructor & Destructor Documentation

ForceConstraintPS	(	const SPxLP &	lp,
		int	_i,
		bool	lhsFixed,
		DataArray< bool > &	fixCols,
		DataArray< Real > &	lo,
		DataArray< Real > &	up
	)

Definition at line 372 of file spxmainsm.h.

References SPxLPBase< R >::colVector(), SVectorBase< R >::index(), SPxLPBase< Real >::MINIMIZE, SPxLPBase< R >::obj(), SVectorBase< R >::size(), and SPxLPBase< R >::spxSense().

ForceConstraintPS

(

const ForceConstraintPS &

old

)

copy constructor

Definition at line 396 of file spxmainsm.h.

Member Function Documentation

virtual PostStep* clone ( ) const

virtual

clone function for polymorphism

Implements SPxMainSM::PostStep.

Definition at line 430 of file spxmainsm.h.

References SPxMainSM::PostStep::execute(), and SPxMainSM::ForceConstraintPS.

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

virtual

Implements SPxMainSM::PostStep.

Definition at line 354 of file spxmainsm.cpp.

References SPxSolver::BASIC, SPxMainSM::PostStep::checkBasisDim(), SPxMainSM::cIdx(), SPxMainSM::PostStep::eps(), soplex::EQrel(), SPxSolver::FIXED, SVectorBase< R >::index(), SPxSolver::ON_LOWER, SPxSolver::ON_UPPER, SVectorBase< R >::size(), soplex::spxAbs(), and SVectorBase< R >::value().

ForceConstraintPS& operator=

(

const ForceConstraintPS &

rhs

)

assignment operator

Definition at line 414 of file spxmainsm.h.

References SPxMainSM::ForceConstraintPS::m_cols, SPxMainSM::ForceConstraintPS::m_fixed, SPxMainSM::ForceConstraintPS::m_objs, SPxMainSM::ForceConstraintPS::m_oldLowers, SPxMainSM::ForceConstraintPS::m_oldUppers, SPxMainSM::ForceConstraintPS::m_row, and SPxMainSM::PostStep::operator=().

Member Data Documentation

Array<DSVector> m_cols

private

Definition at line 361 of file spxmainsm.h.

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

DataArray<bool> m_fixed

private

Definition at line 360 of file spxmainsm.h.

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

const int m_i

private

Definition at line 355 of file spxmainsm.h.

const Real m_lhs

private

Definition at line 366 of file spxmainsm.h.

const bool m_lhsFixed

private

Definition at line 362 of file spxmainsm.h.

const Real m_lRhs

private

Definition at line 357 of file spxmainsm.h.

const bool m_maxSense

private

Definition at line 363 of file spxmainsm.h.

DataArray<Real> m_objs

private

Definition at line 359 of file spxmainsm.h.

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

const int m_old_i

private

Definition at line 356 of file spxmainsm.h.

DataArray<Real> m_oldLowers

private

Definition at line 364 of file spxmainsm.h.

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

DataArray<Real> m_oldUppers

private

Definition at line 365 of file spxmainsm.h.

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

const Real m_rhs

private

Definition at line 367 of file spxmainsm.h.

DSVector m_row

private

Definition at line 358 of file spxmainsm.h.

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

const Real m_rowobj

private

Definition at line 368 of file spxmainsm.h.