12 #include "CoinWarmStartBasis.hpp"
13 #include "CoinSearchTree.hpp"
19 class OsiSolverInterface;
20 class OsiSolverBranch;
24 class OsiRowCutDebugger;
25 class CoinWarmStartBasis;
30 class CbcGeneralBranchingObject;
86 const CoinWarmStartBasis *lastws,
87 const double * lastLower,
const double * lastUpper,
88 int numberOldActiveCuts,
int numberNewCuts);
112 int numberPassesLeft);
140 OsiSolverBranch * & branches,
141 int numberPassesLeft);
170 OsiBranchingInformation * usefulInfo,
209 int branch(OsiSolverInterface * solver);
222 return objectiveValue_;
225 objectiveValue_ = value;
230 return (branch_->numberBranches()) ;
252 return numberUnsatisfied_;
256 numberUnsatisfied_ = value;
260 return sumInfeasibilities_;
264 sumInfeasibilities_ = value;
268 return guessedObjectiveValue_;
271 guessedObjectiveValue_ = value;
294 return (state_&1) != 0;
298 if (yesNo) state_ |= 1;
303 return (state_&2) != 0;
307 if (yesNo) state_ |= 2;
315 branch_->numberBranchesLeft());
323 double objectiveValue_;
325 double guessedObjectiveValue_;
327 double sumInfeasibilities_;
329 OsiBranchingObject * branch_;
333 int numberUnsatisfied_;
void setObjectiveValue(double value)
void createInfo(CbcModel *model, CbcNode *lastNode, const CoinWarmStartBasis *lastws, const double *lastLower, const double *lastUpper, int numberOldActiveCuts, int numberNewCuts)
Create a description of the subproblem at this node.
void initializeInfo()
Initialize reference counts in attached CbcNodeInfo.
void setActive(bool yesNo)
Sets true if active.
void checkInfo() const
Debug.
void setNumberUnsatisfied(int value)
Set the number of objects unsatisfied at this node.
void setOnTree(bool yesNo)
Sets true if on tree.
void setSumInfeasibilities(double value)
Set sum of "infeasibilities" reported by each object.
void nullNodeInfo()
Nulls out node info.
int numberBranches() const
Number of arms defined for the attached OsiBranchingObject.
void decrementParentCuts(CbcModel *model, int change=1)
Decrement all active cut counts in chain starting at parent.
int numberUnsatisfied() const
Get the number of objects unsatisfied at this node.
int depth() const
Depth in branch-and-cut search tree.
bool onTree() const
Returns true if on tree.
double guessedObjectiveValue() const
void setNodeNumber(int node)
const OsiBranchingObject * branchingObject() const
Branching object for this node.
int chooseDynamicBranch(CbcModel *model, CbcNode *lastNode, OsiSolverBranch *&branches, int numberPassesLeft)
Create a branching object for the node - when dynamic pseudo costs.
int chooseOsiBranch(CbcModel *model, CbcNode *lastNode, OsiBranchingInformation *usefulInfo, int branchState)
Create a branching object for the node.
CbcNode()
Default Constructor.
CbcNode & operator=(const CbcNode &rhs)
Assignment operator.
OsiBranchingObject * modifiableBranchingObject() const
Modifiable branching object for this node.
double objectiveValue() const
OsiRowCut augmented with bookkeeping.
Information required while the node is live.
CbcNodeInfo * nodeInfo() const
double sumInfeasibilities() const
Get sum of "infeasibilities" reported by each object.
void setDepth(int value)
Set depth in branch-and-cut search tree.
int branch(OsiSolverInterface *solver)
Does next branch and updates state.
bool active() const
Returns true if active.
int analyze(CbcModel *model, double *results)
int nodeNumber() const
The node number.
Information required to recreate the subproblem at this node.
double checkIsCutoff(double cutoff)
Double checks in case node can change its mind! Returns objective value Can change objective etc...
void setBranchingObject(OsiBranchingObject *branchingObject)
Set branching object for this node (takes ownership)
void print() const
Print.
int chooseClpBranch(CbcModel *model, CbcNode *lastNode)
Create a branching object for the node.
int numberBranchesLeft() const
Return number of branches left in object.
Simple Branch and bound class.
void setGuessedObjectiveValue(double value)
int chooseBranch(CbcModel *model, CbcNode *lastNode, int numberPassesLeft)
Create a branching object for the node.
void decrementCuts(int change=1)
Decrement active cut counts.