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Enumerations
enum	OsiIntParam { OsiMaxNumIteration = 0, OsiMaxNumIterationHotStart, OsiNameDiscipline, OsiLastIntParam }

enum	OsiDblParam { OsiDualObjectiveLimit = 0, OsiPrimalObjectiveLimit, OsiDualTolerance, OsiPrimalTolerance, OsiObjOffset, OsiLastDblParam }

enum	OsiStrParam { OsiProbName = 0, OsiSolverName, OsiLastStrParam }

enum	OsiHintParam { OsiDoPresolveInInitial = 0, OsiDoDualInInitial, OsiDoPresolveInResolve, OsiDoDualInResolve, OsiDoScale, OsiDoCrash, OsiDoReducePrint, OsiDoInBranchAndCut, OsiLastHintParam }

enum	OsiHintStrength { OsiHintIgnore = 0, OsiHintTry, OsiHintDo, OsiForceDo }

Enumeration Type Documentation

◆ OsiIntParam

enum OsiIntParam

Enumerator
OsiMaxNumIteration	Iteration limit for initial solve and resolve. The maximum number of iterations (whatever that means for the given solver) the solver can execute in the OsiSolverinterface::initialSolve() and OsiSolverinterface::resolve() methods before terminating.
OsiMaxNumIterationHotStart	Iteration limit for hot start. The maximum number of iterations (whatever that means for the given solver) the solver can execute in the OsiSolverinterface::solveFromHotStart() method before terminating.
OsiNameDiscipline	Handling of row and column names. The name discipline specifies how the solver will handle row and column names: 0: Auto names: Names cannot be set by the client. Names of the form Rnnnnnnn or Cnnnnnnn are generated on demand when a name for a specific row or column is requested; nnnnnnn is derived from the row or column index. Requests for a vector of names return a vector with zero entries. 1: Lazy names: Names supplied by the client are retained. Names of the form Rnnnnnnn or Cnnnnnnn are generated on demand if no name has been supplied by the client. Requests for a vector of names return a vector sized to the largest index of a name supplied by the client; some entries in the vector may be null strings. 2: Full names: Names supplied by the client are retained. Names of the form Rnnnnnnn or Cnnnnnnn are generated on demand if no name has been supplied by the client. Requests for a vector of names return a vector sized to match the constraint system, and all entries will contain either the name specified by the client or a generated name.
OsiLastIntParam	End marker. Used by OsiSolverInterface to allocate a fixed-sized array to store integer parameters.

Definition at line 8 of file OsiSolverParameters.hpp.

◆ OsiDblParam

enum OsiDblParam

Enumerator
OsiDualObjectiveLimit	Dual objective limit. This is to be used as a termination criteria in algorithms where the dual objective changes monotonically (e.g., dual simplex, volume algorithm).
OsiPrimalObjectiveLimit	Primal objective limit. This is to be used as a termination criteria in algorithms where the primal objective changes monotonically (e.g., primal simplex)
OsiDualTolerance	Dual feasibility tolerance. The maximum amount a dual constraint can be violated and still be considered feasible.
OsiPrimalTolerance	Primal feasibility tolerance. The maximum amount a primal constraint can be violated and still be considered feasible.
OsiObjOffset	The value of any constant term in the objective function.
OsiLastDblParam	End marker. Used by OsiSolverInterface to allocate a fixed-sized array to store double parameters.

Definition at line 52 of file OsiSolverParameters.hpp.

◆ OsiStrParam

enum OsiStrParam

Enumerator

OsiProbName

The name of the loaded problem.

This is the string specified on the Name card of an mps file.

OsiSolverName

The name of the solver.

This parameter is read-only.

OsiLastStrParam

End marker.

Used by OsiSolverInterface to allocate a fixed-sized array to store string parameters.

Definition at line 87 of file OsiSolverParameters.hpp.

◆ OsiHintParam

enum OsiHintParam

Enumerator
OsiDoPresolveInInitial	Whether to do a presolve in initialSolve.
OsiDoDualInInitial	Whether to use a dual algorithm in initialSolve. The reverse is to use a primal algorithm
OsiDoPresolveInResolve	Whether to do a presolve in resolve.
OsiDoDualInResolve	Whether to use a dual algorithm in resolve. The reverse is to use a primal algorithm
OsiDoScale	Whether to scale problem.
OsiDoCrash	Whether to create a non-slack basis (only in initialSolve)
OsiDoReducePrint	Whether to reduce amount of printout, e.g., for branch and cut.
OsiDoInBranchAndCut	Whether we are in branch and cut - so can modify behavior.
OsiLastHintParam	Just a marker, so that OsiSolverInterface can allocate a static sized array to store parameters.

Definition at line 106 of file OsiSolverParameters.hpp.

◆ OsiHintStrength

enum OsiHintStrength

Enumerator
OsiHintIgnore	Ignore hint (default)
OsiHintTry	This means it is only a hint.
OsiHintDo	This means do hint if at all possible.
OsiForceDo	And this means throw an exception if not possible.

Definition at line 130 of file OsiSolverParameters.hpp.