#include <CbcTree.hpp>
Public Member Functions | |
CbcTree () | |
CbcTree (const CbcTree &rhs) | |
CbcTree & | operator= (const CbcTree &rhs) |
virtual | ~CbcTree () |
virtual CbcTree * | clone () const |
Clone. | |
virtual void | generateCpp (FILE *fp) |
Create C++ lines to get to current state. | |
Heap access and maintenance methods | |
void | setComparison (CbcCompareBase &compare) |
Set comparison function and resort heap. | |
virtual CbcNode * | top () const |
Return the top node of the heap. | |
virtual void | push (CbcNode *x) |
Add a node to the heap. | |
virtual void | pop () |
Remove the top node from the heap. | |
virtual CbcNode * | bestNode (double cutoff) |
Gets best node and takes off heap. | |
vector methods | |
virtual bool | empty () |
Test if empty *** note may be overridden. | |
virtual int | size () const |
Return size. | |
CbcNode * | operator[] (int i) const |
[] operator | |
CbcNode * | nodePointer (int i) const |
Return a node pointer. | |
Search tree maintenance | |
virtual void | cleanTree (CbcModel *model, double cutoff, double &bestPossibleObjective) |
Prune the tree using an objective function cutoff. | |
CbcNode * | bestAlternate () |
Get best on list using alternate method. | |
virtual void | endSearch () |
We may have got an intelligent tree so give it one more chance. | |
virtual double | getBestPossibleObjective () |
Get best possible objective function in the tree. | |
void | resetNodeNumbers () |
Reset maximum node number. | |
void | setNumberBranching (int value) |
Set number of branches. | |
int | getNumberBranching () const |
Get number of branches. | |
void | setMaximumBranching (int value) |
Set maximum branches. | |
int | getMaximumBranching () const |
Get maximum branches. | |
unsigned int * | branched () const |
Get branched variables. | |
int * | newBounds () const |
Get bounds. | |
void | addBranchingInformation (const CbcModel *model, const CbcNodeInfo *nodeInfo, const double *currentLower, const double *currentUpper) |
Adds branching information to complete state. | |
void | increaseSpace () |
Increase space for data. | |
Protected Attributes | |
std::vector< CbcNode * > | nodes_ |
CbcCompare | comparison_ |
int | maximumNodeNumber_ |
> Sort function for heap ordering. | |
int | numberBranching_ |
Size of variable list. | |
int | maximumBranching_ |
Maximum size of variable list. | |
unsigned int * | branched_ |
Integer variables branched or bounded top bit set if new upper bound next bit set if a branch. | |
int * | newBound_ |
New bound. |
Definition at line 23 of file CbcTree.hpp.
CbcTree::CbcTree | ( | ) |
CbcTree::CbcTree | ( | const CbcTree & | rhs | ) |
virtual CbcTree::~CbcTree | ( | ) | [virtual] |
Reimplemented in CbcTreeArray, CbcNewTree, and CbcTreeLocal.
virtual CbcTree* CbcTree::clone | ( | ) | const [virtual] |
Clone.
Reimplemented in CbcTreeArray, CbcNewTree, and CbcTreeLocal.
virtual void CbcTree::generateCpp | ( | FILE * | fp | ) | [inline, virtual] |
Create C++ lines to get to current state.
Reimplemented in CbcTreeArray, CbcNewTree, and CbcTreeLocal.
Definition at line 40 of file CbcTree.hpp.
void CbcTree::setComparison | ( | CbcCompareBase & | compare | ) |
Set comparison function and resort heap.
Reimplemented in CbcTreeArray, and CbcNewTree.
virtual CbcNode* CbcTree::top | ( | ) | const [virtual] |
Return the top node of the heap.
Reimplemented in CbcNewTree, and CbcTreeLocal.
virtual void CbcTree::push | ( | CbcNode * | x | ) | [virtual] |
Add a node to the heap.
Reimplemented in CbcTreeArray, CbcNewTree, and CbcTreeLocal.
virtual void CbcTree::pop | ( | ) | [virtual] |
Remove the top node from the heap.
Reimplemented in CbcNewTree, and CbcTreeLocal.
virtual CbcNode* CbcTree::bestNode | ( | double | cutoff | ) | [virtual] |
Gets best node and takes off heap.
Reimplemented in CbcTreeArray, and CbcNewTree.
virtual bool CbcTree::empty | ( | ) | [virtual] |
Test if empty *** note may be overridden.
Reimplemented in CbcTreeArray, CbcNewTree, and CbcTreeLocal.
virtual int CbcTree::size | ( | ) | const [inline, virtual] |
CbcNode* CbcTree::operator[] | ( | int | i | ) | const [inline] |
CbcNode* CbcTree::nodePointer | ( | int | i | ) | const [inline] |
virtual void CbcTree::cleanTree | ( | CbcModel * | model, | |
double | cutoff, | |||
double & | bestPossibleObjective | |||
) | [virtual] |
Prune the tree using an objective function cutoff.
This routine removes all nodes with objective worst than the specified cutoff value. It also sets bestPossibleObjective to best of all on tree before deleting.
Reimplemented in CbcTreeArray, and CbcNewTree.
CbcNode* CbcTree::bestAlternate | ( | ) |
Get best on list using alternate method.
Reimplemented in CbcNewTree.
virtual void CbcTree::endSearch | ( | ) | [inline, virtual] |
We may have got an intelligent tree so give it one more chance.
Reimplemented in CbcNewTree, and CbcTreeLocal.
Definition at line 97 of file CbcTree.hpp.
virtual double CbcTree::getBestPossibleObjective | ( | ) | [virtual] |
Get best possible objective function in the tree.
Reimplemented in CbcTreeArray.
void CbcTree::resetNodeNumbers | ( | ) | [inline] |
Reset maximum node number.
Definition at line 102 of file CbcTree.hpp.
void CbcTree::setNumberBranching | ( | int | value | ) | [inline] |
Set number of branches.
Definition at line 105 of file CbcTree.hpp.
int CbcTree::getNumberBranching | ( | ) | const [inline] |
Get number of branches.
Definition at line 108 of file CbcTree.hpp.
void CbcTree::setMaximumBranching | ( | int | value | ) | [inline] |
Set maximum branches.
Definition at line 111 of file CbcTree.hpp.
int CbcTree::getMaximumBranching | ( | ) | const [inline] |
Get maximum branches.
Definition at line 114 of file CbcTree.hpp.
unsigned int* CbcTree::branched | ( | ) | const [inline] |
Get branched variables.
Definition at line 117 of file CbcTree.hpp.
int* CbcTree::newBounds | ( | ) | const [inline] |
Get bounds.
Definition at line 120 of file CbcTree.hpp.
void CbcTree::addBranchingInformation | ( | const CbcModel * | model, | |
const CbcNodeInfo * | nodeInfo, | |||
const double * | currentLower, | |||
const double * | currentUpper | |||
) |
Adds branching information to complete state.
void CbcTree::increaseSpace | ( | ) |
Increase space for data.
std::vector<CbcNode *> CbcTree::nodes_ [protected] |
Definition at line 130 of file CbcTree.hpp.
CbcCompare CbcTree::comparison_ [protected] |
Definition at line 131 of file CbcTree.hpp.
int CbcTree::maximumNodeNumber_ [protected] |
> Sort function for heap ordering.
Maximum "node" number so far to split ties
Definition at line 133 of file CbcTree.hpp.
int CbcTree::numberBranching_ [protected] |
Size of variable list.
Definition at line 135 of file CbcTree.hpp.
int CbcTree::maximumBranching_ [protected] |
Maximum size of variable list.
Definition at line 137 of file CbcTree.hpp.
unsigned int* CbcTree::branched_ [protected] |
Integer variables branched or bounded top bit set if new upper bound next bit set if a branch.
Definition at line 142 of file CbcTree.hpp.
int* CbcTree::newBound_ [protected] |
New bound.
Definition at line 144 of file CbcTree.hpp.