Couenne::InitHeuristic Class Reference

A heuristic that stores the initial solution of the NLP. More...

#include <BonInitHeuristic.hpp>

Inheritance diagram for Couenne::InitHeuristic:

Collaboration diagram for Couenne::InitHeuristic:

Public Member Functions
	InitHeuristic (double objValue, const double *sol, CouenneProblem &cp)
	Constructor with model and Ipopt problems. More...
	InitHeuristic (const InitHeuristic &other)
	Copy constructor. More...
virtual	~InitHeuristic ()
	Destructor. More...
virtual CbcHeuristic *	clone () const
	Clone. More...
InitHeuristic &	operator= (const InitHeuristic &rhs)
	Assignment operator. More...
virtual void	resetModel (CbcModel *model)
virtual int	solution (double &objectiveValue, double *newSolution)
	Run heuristic, return 1 if a better solution than the one passed is found and 0 otherwise. More...

Private Member Functions
	InitHeuristic ()
	Default constructor. More...

Private Attributes
double	objValue_
	objective function value from initial solve More...
double *	sol_
	point from initial solve More...
int	nVars_
	Size of array sol. More...

Detailed Description

A heuristic that stores the initial solution of the NLP.

This is computed before Cbc is started, and in this way we can tell Cbc about this.

Definition at line 24 of file BonInitHeuristic.hpp.

Constructor & Destructor Documentation

InitHeuristic::InitHeuristic	(	double	objValue,
		const double *	sol,
		CouenneProblem &	cp
	)

Constructor with model and Ipopt problems.

Definition at line 17 of file BonInitHeuristic.cpp.

InitHeuristic::InitHeuristic

(

const InitHeuristic &

other

)

Copy constructor.

Definition at line 50 of file BonInitHeuristic.cpp.

InitHeuristic::~InitHeuristic ( )

virtual

Destructor.

Definition at line 89 of file BonInitHeuristic.cpp.

Couenne::InitHeuristic::InitHeuristic ( )

private

Default constructor.

Member Function Documentation

CbcHeuristic * InitHeuristic::clone ( ) const

virtual

Clone.

Definition at line 66 of file BonInitHeuristic.cpp.

InitHeuristic & InitHeuristic::operator=

(

const InitHeuristic &

rhs

)

Assignment operator.

Definition at line 71 of file BonInitHeuristic.cpp.

virtual void Couenne::InitHeuristic::resetModel ( CbcModel *  model )

inlinevirtual

Definition at line 42 of file BonInitHeuristic.hpp.

int InitHeuristic::solution ( double &  objectiveValue, double *  newSolution  )

virtual

Run heuristic, return 1 if a better solution than the one passed is found and 0 otherwise.

objectiveValue Best known solution in input and value of solution found in output newSolution Solution found by heuristic.

Todo:

Find a quicker way to get to Couenne objects, store them or something

Definition at line 95 of file BonInitHeuristic.cpp.

Member Data Documentation

double Couenne::InitHeuristic::objValue_

private

objective function value from initial solve

Definition at line 56 of file BonInitHeuristic.hpp.

double* Couenne::InitHeuristic::sol_

private

point from initial solve

Definition at line 59 of file BonInitHeuristic.hpp.

int Couenne::InitHeuristic::nVars_

private

Size of array sol.

Definition at line 62 of file BonInitHeuristic.hpp.

---

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

• /tmp/OS-2.10.2/Couenne/src/heuristics/BonInitHeuristic.hpp
• /tmp/OS-2.10.2/Couenne/src/heuristics/BonInitHeuristic.cpp