#include <MILPBlock_DecompApp.h>

Inheritance diagram for MILPBlock_DecompApp:

Collaboration diagram for MILPBlock_DecompApp:

Public Member Functions
Constructor and Destructor
	MILPBlock_DecompApp (UtilParameters &utilParam)

virtual	~MILPBlock_DecompApp ()

Public Member Functions inherited from DecompApp
void	createModels ()
	Create model parts. More...

DecompConstraintSet *	createModelPart (const int nRowsPart, const int *rowsPart)

void	createModelPart (DecompConstraintSet model, const int nRowsPart, const int rowsPart)

void	createModelPartSparse (DecompConstraintSet model, const int nRowsPart, const int rowsPart)

void	readInitSolutionFile (DecompVarList &initVars)

void	readBlockFile ()
	Read block file. More...

void	readProblem ()
	Read Problem. More...

void	singlyBorderStructureDetection ()
	Automatically detect singly bordered structure. More...

void	findActiveColumns (const std::vector< int > &rowsPart, std::set< int > &activeColsSet)
	Find the active columns for some block. More...

const std::string	getInstanceName ()
	Get Intance name. More...

const CoinPackedMatrix *	getMatrix ()
	Get constraint matrix for analysis. More...

void	setInfinity ()
	Set the value of infinity. More...

	DecompApp (UtilParameters &utilParam)
	Constructor for base DecompApp class. More...

virtual	~DecompApp ()
	Destructor. More...

void	startupLog ()
	Initialize the DecompApp data. More...

int	createModel ()

virtual void	APPcreateModel (double &objCoeff, map< int, DecompConstraintSet > &modelCore, map< int, DecompConstraintSet * > &modelRelax)=0

virtual bool	APPisUserFeasible (const double *x, const int n_cols, const double tolZero)

virtual int	APPheuristics (const double xhat, vector< DecompSolution > &xhatIPFeas)

virtual int	generateInitVars (DecompVarList &initVars, int whichModel)

virtual int	generateCuts (const double *x, const DecompConstraintSet &modelCore, const DecompConstraintSet &modelRelax, DecompCutList &newCuts)

virtual decompStat	APPsolveRelaxed (const int whichModel, const double redCostX, const double origCost, const double alpha, const int n_origCols, const bool checkRC, const bool checkDup, OsiSolverInterface m_subprobSI, list< DecompVar > &vars)

virtual void	printOriginalColumn (const int index, ostream *os=&cout) const

virtual void	printOriginalSolution (const int n_cols, const double solution, ostream os=&cout) const

	DecompApp (UtilParameters &utilParam)

virtual	~DecompApp ()

void	preprocess ()
	Preprocess (standard ): on the TODO list. More...

void	startupLog ()
	Print startup message to log. More...

int	createModel ()
	Preprocess (standard ): on the TODO list. More...

const double	getBestKnownLB () const
	Preprocess (standard ): on the TODO list. More...

const double	getBestKnownUB () const
	Preprocess (standard ): on the TODO list. More...

void	setBestKnownLB (const double bestKnownLB)
	Preprocess (standard ): on the TODO list. More...

void	setBestKnownUB (const double bestKnownUB)
	Preprocess (standard ): on the TODO list. More...

void	setModelObjective (const double *objective, const int length)
	Set the model objective function. More...

void	setModelCore (DecompConstraintSet *model, const std::string modelName)
	Set the model core constraint matrix. More...

void	setModelRelax (DecompConstraintSet *model, const std::string modelName="", const int blockId=0)
	Set the model relaxed constraint matrix (for a particular block). More...

void	setModelRelaxNest (DecompConstraintSet *model, const std::string modelName, const int blockId=0)
	Set the model relaxed (nested) constraint matrix (for a particular block). More...

DecompAlgo *	getDecompAlgo () const
	Get a pointer to the base algorithm class. More...

virtual void	initDualVector (std::vector< double > &dualVector)
	Initialize the dual vector for PhaseII of PC. More...

virtual bool	APPisUserFeasible (const double *x, const int numCols, const double tolZero)
	Method to determine if the solution (x) is feasible to the original model. More...

virtual int	APPheuristics (const double xhat, const double origCost, std::vector< DecompSolution * > &xhatIPFeas)
	Initialize the dual vector for PhaseII of PC. More...

virtual const double *	getDualForGenerateVars (const double *dual)
	This function allows the user to return their own dual vector to be used in the generation of new variables (in the reduced-cost calculation). More...

virtual int	generateCuts (const double *x, DecompCutList &newCuts)
	Initialize the dual vector for PhaseII of PC. More...

virtual void	solveRelaxedWhich (std::vector< int > &blocksToSolve, std::map< int, std::vector< double > > &userDualsByBlock)
	Initialize the dual vector for PhaseII of PC. More...

virtual DecompSolverStatus	solveRelaxed (const int whichBlock, const double *redCostX, const double target, DecompVarList &varList)
	Initialize the dual vector for PhaseII of PC. More...

virtual DecompSolverStatus	solveRelaxedNest (const int whichBlock, const double *redCostX, const double target, DecompVarList &varList)
	Initialize the dual vector for PhaseII of PC. More...

virtual void	printOriginalColumn (const int index, std::ostream *os=&std::cout) const
	Initialize the dual vector for PhaseII of PC. More...

virtual void	printOriginalSolution (const int n_cols, const std::vector< std::string > &colNames, const double solution, std::ostream os=&std::cout) const
	Initialize the dual vector for PhaseII of PC. More...

Private Member Functions
virtual int	generateInitVars (DecompVarList &initVars)
	Generate init columns. More...

Private Attributes
const string	m_classTag
	Class id tag (for log / debugging). More...

CoinMpsIO	m_mpsIO
	MPS object for reading MILPBlock instances. More...

MILPBlock_Param	m_appParam
	Application specific parameters. More...

double *	m_objective
	The model objective coefficients (original space). More...

DecompConstraintSet *	m_modelC
	The model constraint systems used for different algos. More...

map< int, DecompConstraintSet * >	m_modelR

map< int, vector< int > >	m_blocks
	Definition of blocks (by rows). More...

Helper functions (private).
void	initializeApp ()
	Initialize application. More...

void	createModels ()
	Create model parts. More...

DecompConstraintSet *	createModelPart (const int nRowsPart, const int *rowsPart)
	Initialize application. More...

void	createModelPart (DecompConstraintSet model, const int nRowsPart, const int rowsPart)
	Initialize application. More...

void	createModelPartSparse (DecompConstraintSet model, const int nRowsPart, const int rowsPart)
	Initialize application. More...

void	createModelMasterOnlys (vector< int > &masterOnlyCols)
	Initialize application. More...

void	readInitSolutionFile (DecompVarList &initVars)
	Initialize application. More...

void	readBlockFile ()
	Read block file. More...

void	findActiveColumns (const vector< int > &rowsPart, set< int > &activeColsSet)
	Find the active columns for some block. More...

const string	getInstanceName ()
	User access methods. More...

Additional Inherited Members
Public Attributes inherited from DecompApp
int	NumBlocks
	Number of Blocks defalut value 0 set by BlockNumInput parameter. More...

DecompParam	m_param
	Parameters. More...

UtilParameters *	m_utilParam

const double *	m_objective
	Model data: objective function. More...

DecompModel	m_modelCore
	Model data: the core model (A'') More...

std::map< int, DecompModel >	m_modelRelax
	Model data: the relaxed model(s) (A') More...

std::map< int, std::vector < DecompModel > >	m_modelRelaxNest
	Model data: the relaxed (nested) model(s) (A') More...

DecompAlgo *	m_decompAlgo
	Pointer to the base algorithmic object. More...

CoinMpsIO	m_mpsIO
	MPS object for reading instances. More...

CoinLpIO	m_lpIO
	LP object for reading instances. More...

const CoinPackedMatrix *	m_matrix
	Original constraint matrix for the instance. More...

DecompConstraintSet *	m_modelC
	The model constraint systems used for different algos. More...

std::map< int, DecompConstraintSet * >	m_modelR

std::map< int, std::vector< int > >	m_blocks
	Definition of blocks (by rows) More...

int	m_threadIndex
	serves as an index to track different DecompApp object during Concurrent process, where when m_threadIndex is 0, problem is solved by cutting plance from standalone solver, when it is greater than 0, it is solved by branch-and-price, More...

double	m_infinity
	The value of infinity. More...

DecompModel	m_model

map< int, DecompConstraintSet * >	m_modelCore

map< int, DecompConstraintSet * >	m_modelRelax

Protected Attributes inherited from DecompApp
std::ostream *	m_osLog
	Log file. More...

double	m_bestKnownLB
	The best known LB/UB for this application (if known, for debugging). More...

double	m_bestKnownUB

ostream *	m_osLog

Detailed Description

A DecompApp to illustrate a basic usage of Decomp.

See Also: DecompApp

Definition at line 33 of file MILPBlock_DecompApp.h.

Constructor & Destructor Documentation

MILPBlock_DecompApp::MILPBlock_DecompApp ( UtilParameters & utilParam )

inline

Definition at line 97 of file MILPBlock_DecompApp.h.

References MILPBlock_Param::dumpSettings(), MILPBlock_Param::getSettings(), initializeApp(), MILPBlock_Param::LogLevel, and m_appParam.

virtual MILPBlock_DecompApp::~MILPBlock_DecompApp ( )

inlinevirtual

Definition at line 111 of file MILPBlock_DecompApp.h.

References m_modelC, m_modelR, m_objective, UTIL_DELARR, UTIL_DELPTR, and UtilDeleteMapPtr().

Member Function Documentation

virtual int MILPBlock_DecompApp::generateInitVars ( DecompVarList & initVars )

privatevirtual

Generate init columns.

Reimplemented from DecompApp.

void MILPBlock_DecompApp::initializeApp ( )

privatevirtual

Initialize application.

Reimplemented from DecompApp.

Referenced by MILPBlock_DecompApp().

void MILPBlock_DecompApp::createModels ( )

private

Create model parts.

DecompConstraintSet* MILPBlock_DecompApp::createModelPart	(	const int	nRowsPart,
		const int *	rowsPart
	)

private

Initialize application.

void MILPBlock_DecompApp::createModelPart	(	DecompConstraintSet *	model,
		const int	nRowsPart,
		const int *	rowsPart
	)

private

Initialize application.

void MILPBlock_DecompApp::createModelPartSparse	(	DecompConstraintSet *	model,
		const int	nRowsPart,
		const int *	rowsPart
	)

private

Initialize application.

void MILPBlock_DecompApp::createModelMasterOnlys ( vector< int > & masterOnlyCols )

private

Initialize application.

void MILPBlock_DecompApp::readInitSolutionFile ( DecompVarList & initVars )

private

Initialize application.

void MILPBlock_DecompApp::readBlockFile ( )

private

Read block file.

void MILPBlock_DecompApp::findActiveColumns	(	const vector< int > &	rowsPart,
		set< int > &	activeColsSet
	)

private

Find the active columns for some block.

const string MILPBlock_DecompApp::getInstanceName ( )

inline

User access methods.

Get instance name.

Definition at line 91 of file MILPBlock_DecompApp.h.

References MILPBlock_Param::Instance, and m_appParam.

Member Data Documentation

const string MILPBlock_DecompApp::m_classTag

private

Class id tag (for log / debugging).

Definition at line 36 of file MILPBlock_DecompApp.h.

CoinMpsIO MILPBlock_DecompApp::m_mpsIO

private

MPS object for reading MILPBlock instances.

Definition at line 39 of file MILPBlock_DecompApp.h.

MILPBlock_Param MILPBlock_DecompApp::m_appParam

private

Application specific parameters.

Definition at line 42 of file MILPBlock_DecompApp.h.

Referenced by getInstanceName(), and MILPBlock_DecompApp().

double* MILPBlock_DecompApp::m_objective

private

The model objective coefficients (original space).

Definition at line 45 of file MILPBlock_DecompApp.h.

Referenced by ~MILPBlock_DecompApp().

DecompConstraintSet* MILPBlock_DecompApp::m_modelC

private

The model constraint systems used for different algos.

Definition at line 48 of file MILPBlock_DecompApp.h.

Referenced by ~MILPBlock_DecompApp().

map<int, DecompConstraintSet*> MILPBlock_DecompApp::m_modelR

private

Definition at line 49 of file MILPBlock_DecompApp.h.

Referenced by ~MILPBlock_DecompApp().

map<int, vector<int> > MILPBlock_DecompApp::m_blocks

private

Definition of blocks (by rows).

Definition at line 52 of file MILPBlock_DecompApp.h.

The documentation for this class was generated from the following file:

/tmp/Dip-0.92.4/Dip/examples/MILPBlock/MILPBlock_DecompApp.h

Public Member Functions

Private Member Functions

Private Attributes

Helper functions (private).

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation