AbcHeuristic Class Reference

Heuristic base class. More...

#include <AbcHeuristic.h>

Inheritance diagram for AbcHeuristic:

Collaboration diagram for AbcHeuristic:

Public Member Functions
	AbcHeuristic ()
	AbcHeuristic (AbcModel &model)
virtual	~AbcHeuristic ()
virtual void	setModel (AbcModel *model)
	update model (This is needed if cliques update matrix etc) More...
virtual AbcHeuristic *	clone () const =0
	Clone. More...
virtual int	solution (double &objectiveValue, double *newSolution)=0
	returns 0 if no solution, 1 if valid solution with better objective value than one passed in Sets solution values if good, sets objective value This is called after cuts have been added - so can not add cuts More...
virtual int	solution (double &objectiveValue, double *newSolution, OsiCuts &cs)
	returns 0 if no solution, 1 if valid solution, -1 if just returning an estimate of best possible solution with better objective value than one passed in Sets solution values if good, sets objective value (only if nonzero code) This is called at same time as cut generators - so can add cuts Default is do nothing More...

Protected Attributes
AbcModel *	model_
	Model. More...

Private Member Functions
AbcHeuristic &	operator= (const AbcHeuristic &rhs)
	Illegal Assignment operator. More...

Detailed Description

Heuristic base class.

Definition at line 41 of file AbcHeuristic.h.

Constructor & Destructor Documentation

AbcHeuristic::AbcHeuristic

(

)

AbcHeuristic::AbcHeuristic

(

AbcModel &

model

)

virtual AbcHeuristic::~AbcHeuristic ( )

virtual

Member Function Documentation

virtual void AbcHeuristic::setModel ( AbcModel *  model )

virtual

update model (This is needed if cliques update matrix etc)

Reimplemented in AbcRounding.

virtual AbcHeuristic* AbcHeuristic::clone ( ) const

pure virtual

Clone.

Implemented in AbcRounding.

virtual int AbcHeuristic::solution ( double &  objectiveValue, double *  newSolution  )

pure virtual

returns 0 if no solution, 1 if valid solution with better objective value than one passed in Sets solution values if good, sets objective value This is called after cuts have been added - so can not add cuts

Implemented in AbcRounding.

virtual int AbcHeuristic::solution ( double &  objectiveValue, double *  newSolution, OsiCuts &  cs  )

inlinevirtual

returns 0 if no solution, 1 if valid solution, -1 if just returning an estimate of best possible solution with better objective value than one passed in Sets solution values if good, sets objective value (only if nonzero code) This is called at same time as cut generators - so can add cuts Default is do nothing

Definition at line 72 of file AbcHeuristic.h.

AbcHeuristic& AbcHeuristic::operator= ( const AbcHeuristic &  rhs )

private

Illegal Assignment operator.

Member Data Documentation

AbcModel* AbcHeuristic::model_

protected

Model.

Definition at line 79 of file AbcHeuristic.h.

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

• /tmp/CHiPPS-Alps-1.5.6/Alps/examples/Abc/AbcHeuristic.h