#include <GLPKWrapper.h>

Collaboration diagram for irafhy::GLPKWrapper:

Public Member Functions
	GLPKWrapper ()
	constructor More...

void	init (const Eigen::VectorXd &objectCoefficients, double objectConstantTerm, const Eigen::MatrixXd &constraintMatrix, const std::vector< capd::interval > &constraintRowBounds, const std::vector< capd::interval > &constraintColBounds, LINEPROG_DIRECTION direction)
	initialize the problem with given information More...

	~GLPKWrapper ()
	destructor More...

void	solve (bool isExact)
	solve the problem with wrapped GLPK library More...

Evaluation	result (const Eigen::VectorXd &objectCoefficients, const Eigen::MatrixXd &constraintMatrix, const std::vector< capd::interval > &constraintRowBounds) const
	get the resulting of the solving More...

Private Member Functions
void	createArrays (std::size_t size)
	allocate memory for the GLPK array More...

void	fillArrays (const Eigen::VectorXd &objectCoefficients, double objectConstantTerm, const Eigen::MatrixXd &constraintMatrix, const std::vector< capd::interval > &constraintRowBounds, const std::vector< capd::interval > &constraintColBounds)
	fill the GLPK array with given information More...

void	deleteArrays ()
	release the memory More...

Private Attributes
glp_prob *	glpProb_ = nullptr
	pointer to the GLPK problem More...

glp_smcp	param_
	GLPK related parameters. More...

int *	ia_ = nullptr
	pointer to the ia array of GLPK problem More...

int *	ja_ = nullptr
	pointer to the ja array of GLPK problem More...

std::size_t	rowCnt_
	number of the rows of constraints More...

std::size_t	colCnt_
	number of the variables More...

double *	array_ = nullptr
	GLPK data array. More...

bool	isExact_
	solve LP problem in exact arithmetic or not More...

LINEPROG_DIRECTION	direction_
	optimizing direction of the problem More...

bool	isReady_
	is data prepared More...

bool	solved_
	is the problem solved by GLPK More...

bool	isArrayCreated_ = false
	is the GLPK array created More...

Constructor & Destructor Documentation

◆ GLPKWrapper()

irafhy::GLPKWrapper::GLPKWrapper ( )

inline

constructor

References init(), result(), solve(), and ~GLPKWrapper().

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◆ ~GLPKWrapper()

irafhy::GLPKWrapper::~GLPKWrapper ( )

destructor

References deleteArrays(), glpProb_, isReady_, and solved_.

Referenced by GLPKWrapper().

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Member Function Documentation

◆ createArrays()

void irafhy::GLPKWrapper::createArrays ( std::size_t size )

private

allocate memory for the GLPK array

Parameters

size	size of the array

References array_, deleteArrays(), ia_, isArrayCreated_, and ja_.

Referenced by init().

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◆ deleteArrays()

void irafhy::GLPKWrapper::deleteArrays ( )

private

release the memory

References array_, ia_, isArrayCreated_, and ja_.

Referenced by createArrays(), and ~GLPKWrapper().

◆ fillArrays()

void irafhy::GLPKWrapper::fillArrays	(	const Eigen::VectorXd &	objectCoefficients,
		double	objectConstantTerm,
		const Eigen::MatrixXd &	constraintMatrix,
		const std::vector< capd::interval > &	constraintRowBounds,
		const std::vector< capd::interval > &	constraintColBounds
	)

private

fill the GLPK array with given information

Parameters

objectCoefficients	coefficients of the object function
objectConstantTerm	constant item of the object function
constraintMatrix	linear constraints
constraintRowBounds	bounds of the linear constraints
constraintColBounds	bounds of variables

References array_, colCnt_, glpProb_, ia_, isArrayCreated_, ja_, and rowCnt_.

Referenced by init().

◆ init()

void irafhy::GLPKWrapper::init	(	const Eigen::VectorXd &	objectCoefficients,
		double	objectConstantTerm,
		const Eigen::MatrixXd &	constraintMatrix,
		const std::vector< capd::interval > &	constraintRowBounds,
		const std::vector< capd::interval > &	constraintColBounds,
		LINEPROG_DIRECTION	direction
	)

initialize the problem with given information

Parameters

objectCoefficients	coefficients of object function
objectConstantTerm	constant term of object function
constraintMatrix	linear constraints
constraintRowBounds	bounds of linear constraints
constraintColBounds	bounds of variables
direction	direction of the linear programming

References createArrays(), direction_, fillArrays(), glpProb_, isReady_, irafhy::MAX, irafhy::MIN, and param_.

Referenced by GLPKWrapper().

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◆ result()

Evaluation irafhy::GLPKWrapper::result	(	const Eigen::VectorXd &	objectCoefficients,
		const Eigen::MatrixXd &	constraintMatrix,
		const std::vector< capd::interval > &	constraintRowBounds
	)		const

get the resulting of the solving

Parameters

objectCoefficients	coefficients of object function
constraintMatrix	linear constraints
constraintRowBounds	bounds of linear constraints

Returns: result of the linear programming

References colCnt_, irafhy::FEASIBLE, glpProb_, irafhy::INFEASIBLE, irafhy::NO_FEASIBLE, irafhy::OPTIMAL, rowCnt_, solved_, irafhy::UNBOUNDED, and irafhy::UNDEFINED.

Referenced by GLPKWrapper().

◆ solve()

void irafhy::GLPKWrapper::solve ( bool isExact )

solve the problem with wrapped GLPK library

Parameters

isExact using exact arithmetic or not

References array_, colCnt_, glpProb_, ia_, isReady_, ja_, rowCnt_, and solved_.

Referenced by GLPKWrapper().

Member Data Documentation

◆ array_

double* irafhy::GLPKWrapper::array_ = nullptr

private

GLPK data array.

Referenced by createArrays(), deleteArrays(), fillArrays(), and solve().

◆ colCnt_

std::size_t irafhy::GLPKWrapper::colCnt_

private

number of the variables

Referenced by fillArrays(), result(), and solve().

◆ direction_

LINEPROG_DIRECTION irafhy::GLPKWrapper::direction_

private

optimizing direction of the problem

Referenced by init().

◆ glpProb_

glp_prob* irafhy::GLPKWrapper::glpProb_ = nullptr

private

pointer to the GLPK problem

Referenced by fillArrays(), init(), result(), solve(), and ~GLPKWrapper().

◆ ia_

int* irafhy::GLPKWrapper::ia_ = nullptr

private

pointer to the ia array of GLPK problem

Referenced by createArrays(), deleteArrays(), fillArrays(), and solve().

◆ isArrayCreated_

bool irafhy::GLPKWrapper::isArrayCreated_ = false

mutableprivate

is the GLPK array created

Referenced by createArrays(), deleteArrays(), and fillArrays().

◆ isExact_

bool irafhy::GLPKWrapper::isExact_

private

solve LP problem in exact arithmetic or not

◆ isReady_

bool irafhy::GLPKWrapper::isReady_

mutableprivate

is data prepared

Referenced by init(), solve(), and ~GLPKWrapper().

◆ ja_

int* irafhy::GLPKWrapper::ja_ = nullptr

private

pointer to the ja array of GLPK problem

Referenced by createArrays(), deleteArrays(), fillArrays(), and solve().

◆ param_

glp_smcp irafhy::GLPKWrapper::param_

private

GLPK related parameters.

Referenced by init().

◆ rowCnt_

std::size_t irafhy::GLPKWrapper::rowCnt_

private

number of the rows of constraints

Referenced by fillArrays(), result(), and solve().

◆ solved_

bool irafhy::GLPKWrapper::solved_

mutableprivate

is the problem solved by GLPK

Referenced by result(), solve(), and ~GLPKWrapper().

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

/home/jianqiang/CLionProjects/irafhy/include/irafhy/utility/optimizer/linearProg/GLPKWrapper.h
/home/jianqiang/CLionProjects/irafhy/src/utility/optimizer/linearProg/GLPKWrapper.cpp

Public Member Functions

Private Member Functions

Private Attributes

Constructor & Destructor Documentation

◆ GLPKWrapper()

◆ ~GLPKWrapper()

Member Function Documentation

◆ createArrays()

◆ deleteArrays()

◆ fillArrays()

◆ init()

◆ result()

◆ solve()

Member Data Documentation

◆ array_

◆ colCnt_

◆ direction_

◆ glpProb_

◆ ia_

◆ isArrayCreated_

◆ isExact_

◆ isReady_

◆ ja_

◆ param_

◆ rowCnt_

◆ solved_