8 #ifndef CbcBranchToFixLots_H 9 #define CbcBranchToFixLots_H 13 #include "OsiRowCut.hpp" 14 #include "CoinPackedMatrix.hpp" 37 double fractionFixed,
int depth,
39 const char * mark = NULL,
40 bool alwaysCreate =
false);
61 virtual double infeasibility(
const OsiBranchingInformation * info,
int depth_
Do if depth multiple of this.
CbcBranchToFixLots & operator=(const CbcBranchToFixLots &rhs)
virtual bool canDoHeuristics() const
Return true if object can take part in normal heuristics.
virtual CbcObject * clone() const
Clone.
Define a cut branching class.
int shallWe() const
Does a lot of the work, Returns 0 if no good, 1 if dj, 2 if clean, 3 if both FIXME: should use enum o...
bool alwaysCreate_
If true then always create branch.
virtual double infeasibility(const OsiBranchingInformation *info, int &preferredWay) const
Infeasibility for an integer variable - large is 0.5, but also can be infinity when known infeasible...
double fractionFixed_
We only need to make sure this fraction fixed.
int numberClean_
number of ==1 rows which need to be clean
virtual CbcBranchingObject * createCbcBranch(OsiSolverInterface *solver, const OsiBranchingInformation *info, int way)
Creates a branching object.
CoinPackedMatrix matrixByRow_
Matrix by row.
Abstract branching object base class Now just difference with OsiBranchingObject. ...
Define a branch class that branches so that one way variables are fixed while the other way cuts off ...
char * mark_
Never fix ones marked here.
CbcModel * model() const
Return model.
Simple Branch and bound class.
virtual void redoSequenceEtc(CbcModel *model, int numberColumns, const int *originalColumns)
Redoes data when sequence numbers change.
int preferredWay() const
If -1 down always chosen first, +1 up always, 0 normal.