This is the class in which we are finally able to concretely define the bounding procedure. More...
#include <BlisSubTree.h>
Public Member Functions | |
BlisTreeNode () | |
Default constructor. | |
BlisTreeNode (BlisModel *m) | |
Useful constructor. | |
BlisTreeNode (AlpsNodeDesc *&desc) | |
Useful constructor. | |
virtual | ~BlisTreeNode () |
Destructor. | |
void | init () |
Initilize member data when constructing a node. | |
AlpsTreeNode * | createNewTreeNode (AlpsNodeDesc *&desc) const |
Create a new node based on given desc. | |
virtual int | installSubProblem (BcpsModel *mode) |
intall subproblem | |
virtual int | process (bool isRoot=false, bool rampUp=false) |
Performing the bounding operation. | |
virtual int | bound (BcpsModel *model) |
Bounding procedure. | |
virtual std::vector < CoinTriple< AlpsNodeDesc *, AlpsNodeStatus, double > > | branch () |
Takes the explicit description of the current active node and creates the children's descriptions, which contain information about how the branching is to be done. | |
int | selectBranchObject (BlisModel *model, bool &foundSol, int numPassesLeft) |
Select a branching object based on give branching strategy. | |
virtual int | chooseBranchingObject (BcpsModel *) |
To be defined. | |
int | generateConstraints (BlisModel *model, OsiCuts &cutPool) |
Generate constraints. | |
int | applyConstraints (BlisModel *model, OsiCuts &cutPool, const double *solution) |
Select and apply constraints. | |
int | reducedCostFix (BlisModel *model) |
Fix and tighten varaibles based optimality conditions. | |
virtual AlpsEncoded * | encode () const |
Return constraint pool. | |
virtual AlpsKnowledge * | decode (AlpsEncoded &) const |
Decode a node from an encoded object. | |
BlisTreeNode () | |
Default constructor. | |
BlisTreeNode (BlisModel *m) | |
Useful constructor. | |
BlisTreeNode (AlpsNodeDesc *&desc) | |
Useful constructor. | |
virtual | ~BlisTreeNode () |
Destructor. | |
void | init () |
Initilize member data when constructing a node. | |
AlpsTreeNode * | createNewTreeNode (AlpsNodeDesc *&desc) const |
Create a new node based on given desc. | |
virtual int | installSubProblem (BcpsModel *mode) |
intall subproblem | |
virtual int | process (bool isRoot=false, bool rampUp=false) |
Performing the bounding operation. | |
virtual int | bound (BcpsModel *model) |
Bounding procedure. | |
virtual std::vector < CoinTriple< AlpsNodeDesc *, AlpsNodeStatus, double > > | branch () |
Takes the explicit description of the current active node and creates the children's descriptions, which contain information about how the branching is to be done. | |
int | selectBranchObject (BlisModel *model, bool &foundSol, int numPassesLeft) |
Select a branching object based on give branching strategy. | |
virtual int | chooseBranchingObject (BcpsModel *) |
To be defined. | |
int | generateConstraints (BlisModel *model, OsiCuts &cutPool) |
Generate constraints. | |
int | applyConstraints (BlisModel *model, OsiCuts &cutPool, const double *solution) |
Select and apply constraints. | |
int | reducedCostFix (BlisModel *model) |
Fix and tighten varaibles based optimality conditions. | |
virtual AlpsEncoded * | encode () const |
Return constraint pool. | |
virtual AlpsKnowledge * | decode (AlpsEncoded &) const |
Decode a node from an encoded object. | |
virtual void | convertToExplicit () |
Convert explicit description to difference, and vise-vesa. | |
virtual void | convertToRelative () |
Convert explicit description to difference, and vise-vesa. | |
virtual void | convertToExplicit () |
Convert explicit description to difference, and vise-vesa. | |
virtual void | convertToRelative () |
Convert explicit description to difference, and vise-vesa. | |
Private Member Functions | |
virtual void | process () |
void | branch (AlpsTreeNode &explicitNode) |
Takes the explicit description of the current active node and creates the children, adds them to the priority queue, etc. | |
virtual bool | fathom () |
Takes the explicit description of the current active node and decides whether or not it should be fathomed. | |
BlisTreeNode (const BlisTreeNode &) | |
No copy constructor, assignment operator. | |
BlisTreeNode & | operator= (const BlisTreeNode &) |
bool | parallel (BlisModel *model, OsiCuts *newCutSet, int lastNew, OsiRowCut *rowCut) |
Constraint pool. | |
virtual void | process () |
void | branch (AlpsTreeNode &explicitNode) |
Takes the explicit description of the current active node and creates the children, adds them to the priority queue, etc. | |
virtual bool | fathom () |
Takes the explicit description of the current active node and decides whether or not it should be fathomed. | |
BlisTreeNode (const BlisTreeNode &) | |
No copy constructor, assignment operator. | |
BlisTreeNode & | operator= (const BlisTreeNode &) |
bool | parallel (BlisModel *model, OsiCuts *newCutSet, int lastNew, OsiRowCut *rowCut) |
Constraint pool. |
This is the class in which we are finally able to concretely define the bounding procedure.
Here we can assume that we have an LP solver and that the objects are cuts and variables, etc.
Definition at line 34 of file BlisSubTree.h.
BlisTreeNode::BlisTreeNode | ( | const BlisTreeNode & | ) | [private] |
No copy constructor, assignment operator.
BlisTreeNode::BlisTreeNode | ( | ) | [inline] |
Default constructor.
Definition at line 75 of file BlisTreeNode.h.
BlisTreeNode::BlisTreeNode | ( | BlisModel * | m | ) | [inline] |
Useful constructor.
Definition at line 81 of file BlisTreeNode.h.
BlisTreeNode::BlisTreeNode | ( | AlpsNodeDesc *& | desc | ) | [inline] |
Useful constructor.
Definition at line 87 of file BlisTreeNode.h.
virtual BlisTreeNode::~BlisTreeNode | ( | ) | [inline, virtual] |
Destructor.
Definition at line 94 of file BlisTreeNode.h.
BlisTreeNode::BlisTreeNode | ( | const BlisTreeNode & | ) | [private] |
No copy constructor, assignment operator.
BlisTreeNode::BlisTreeNode | ( | ) | [inline] |
Default constructor.
Definition at line 75 of file BlisTreeNode.h.
BlisTreeNode::BlisTreeNode | ( | BlisModel * | m | ) | [inline] |
Useful constructor.
Definition at line 81 of file BlisTreeNode.h.
BlisTreeNode::BlisTreeNode | ( | AlpsNodeDesc *& | desc | ) | [inline] |
Useful constructor.
Definition at line 87 of file BlisTreeNode.h.
virtual BlisTreeNode::~BlisTreeNode | ( | ) | [inline, virtual] |
Destructor.
Definition at line 94 of file BlisTreeNode.h.
virtual void BlisTreeNode::process | ( | ) | [private, virtual] |
void BlisTreeNode::branch | ( | AlpsTreeNode & | explicitNode | ) | [private] |
Takes the explicit description of the current active node and creates the children, adds them to the priority queue, etc.
Most likely, the node description will contain information about how the branching is to be done.
virtual bool BlisTreeNode::fathom | ( | ) | [private, virtual] |
Takes the explicit description of the current active node and decides whether or not it should be fathomed.
BlisTreeNode& BlisTreeNode::operator= | ( | const BlisTreeNode & | ) | [private] |
bool BlisTreeNode::parallel | ( | BlisModel * | model, |
OsiCuts * | newCutSet, | ||
int | lastNew, | ||
OsiRowCut * | rowCut | ||
) | [private] |
Constraint pool.
Variable pool. Save an explicit node description.
void BlisTreeNode::init | ( | ) | [inline] |
Initilize member data when constructing a node.
Definition at line 100 of file BlisTreeNode.h.
AlpsTreeNode* BlisTreeNode::createNewTreeNode | ( | AlpsNodeDesc *& | desc | ) | const |
Create a new node based on given desc.
virtual void BlisTreeNode::convertToExplicit | ( | ) | [virtual] |
Convert explicit description to difference, and vise-vesa.
virtual void BlisTreeNode::convertToRelative | ( | ) | [virtual] |
Convert explicit description to difference, and vise-vesa.
virtual int BlisTreeNode::installSubProblem | ( | BcpsModel * | mode | ) | [virtual] |
intall subproblem
Implements BcpsTreeNode.
virtual int BlisTreeNode::process | ( | bool | isRoot = false , |
bool | rampUp = false |
||
) | [virtual] |
Performing the bounding operation.
Reimplemented from BcpsTreeNode.
virtual int BlisTreeNode::bound | ( | BcpsModel * | model | ) | [virtual] |
Bounding procedure.
Implements BcpsTreeNode.
virtual std::vector< CoinTriple<AlpsNodeDesc*, AlpsNodeStatus, double> > BlisTreeNode::branch | ( | ) | [virtual] |
Takes the explicit description of the current active node and creates the children's descriptions, which contain information about how the branching is to be done.
The stati of the children are AlpsNodeStatusCandidate.
Implements BcpsTreeNode.
int BlisTreeNode::selectBranchObject | ( | BlisModel * | model, |
bool & | foundSol, | ||
int | numPassesLeft | ||
) |
Select a branching object based on give branching strategy.
virtual int BlisTreeNode::chooseBranchingObject | ( | BcpsModel * | ) | [inline, virtual] |
int BlisTreeNode::generateConstraints | ( | BlisModel * | model, |
OsiCuts & | cutPool | ||
) |
Generate constraints.
int BlisTreeNode::applyConstraints | ( | BlisModel * | model, |
OsiCuts & | cutPool, | ||
const double * | solution | ||
) |
Select and apply constraints.
int BlisTreeNode::reducedCostFix | ( | BlisModel * | model | ) |
Fix and tighten varaibles based optimality conditions.
virtual AlpsEncoded* BlisTreeNode::encode | ( | ) | const [virtual] |
Return constraint pool.
Return variable pool. Encode this node for message passing.
virtual AlpsKnowledge* BlisTreeNode::decode | ( | AlpsEncoded & | ) | const [virtual] |
Decode a node from an encoded object.
virtual void BlisTreeNode::process | ( | ) | [private, virtual] |
void BlisTreeNode::branch | ( | AlpsTreeNode & | explicitNode | ) | [private] |
Takes the explicit description of the current active node and creates the children, adds them to the priority queue, etc.
Most likely, the node description will contain information about how the branching is to be done.
virtual bool BlisTreeNode::fathom | ( | ) | [private, virtual] |
Takes the explicit description of the current active node and decides whether or not it should be fathomed.
BlisTreeNode& BlisTreeNode::operator= | ( | const BlisTreeNode & | ) | [private] |
bool BlisTreeNode::parallel | ( | BlisModel * | model, |
OsiCuts * | newCutSet, | ||
int | lastNew, | ||
OsiRowCut * | rowCut | ||
) | [private] |
Constraint pool.
Variable pool. Save an explicit node description.
void BlisTreeNode::init | ( | ) | [inline] |
Initilize member data when constructing a node.
Definition at line 100 of file BlisTreeNode.h.
AlpsTreeNode* BlisTreeNode::createNewTreeNode | ( | AlpsNodeDesc *& | desc | ) | const |
Create a new node based on given desc.
virtual void BlisTreeNode::convertToExplicit | ( | ) | [virtual] |
Convert explicit description to difference, and vise-vesa.
virtual void BlisTreeNode::convertToRelative | ( | ) | [virtual] |
Convert explicit description to difference, and vise-vesa.
virtual int BlisTreeNode::installSubProblem | ( | BcpsModel * | mode | ) | [virtual] |
intall subproblem
Implements BcpsTreeNode.
virtual int BlisTreeNode::process | ( | bool | isRoot = false , |
bool | rampUp = false |
||
) | [virtual] |
Performing the bounding operation.
Reimplemented from BcpsTreeNode.
virtual int BlisTreeNode::bound | ( | BcpsModel * | model | ) | [virtual] |
Bounding procedure.
Implements BcpsTreeNode.
virtual std::vector< CoinTriple<AlpsNodeDesc*, AlpsNodeStatus, double> > BlisTreeNode::branch | ( | ) | [virtual] |
Takes the explicit description of the current active node and creates the children's descriptions, which contain information about how the branching is to be done.
The stati of the children are AlpsNodeStatusCandidate.
Implements BcpsTreeNode.
int BlisTreeNode::selectBranchObject | ( | BlisModel * | model, |
bool & | foundSol, | ||
int | numPassesLeft | ||
) |
Select a branching object based on give branching strategy.
virtual int BlisTreeNode::chooseBranchingObject | ( | BcpsModel * | ) | [inline, virtual] |
int BlisTreeNode::generateConstraints | ( | BlisModel * | model, |
OsiCuts & | cutPool | ||
) |
Generate constraints.
int BlisTreeNode::applyConstraints | ( | BlisModel * | model, |
OsiCuts & | cutPool, | ||
const double * | solution | ||
) |
Select and apply constraints.
int BlisTreeNode::reducedCostFix | ( | BlisModel * | model | ) |
Fix and tighten varaibles based optimality conditions.
virtual AlpsEncoded* BlisTreeNode::encode | ( | ) | const [virtual] |
Return constraint pool.
Return variable pool. Encode this node for message passing.
virtual AlpsKnowledge* BlisTreeNode::decode | ( | AlpsEncoded & | ) | const [virtual] |
Decode a node from an encoded object.