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authorGeorgey2017-07-05 11:40:43 +0530
committerGeorgey2017-07-05 11:40:43 +0530
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Added linux shared libraries and header files for int and ecos functions
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+// Copyright (C) 2000, International Business Machines
+// Corporation and others. All Rights Reserved.
+// This code is licensed under the terms of the Eclipse Public License (EPL).
+
+#ifndef OsiSolverParameters_H
+#define OsiSolverParameters_H
+
+enum OsiIntParam {
+ /*! \brief 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.
+ */
+ OsiMaxNumIteration = 0,
+ /*! \brief 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.
+ */
+ OsiMaxNumIterationHotStart,
+ /*! \brief 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.
+ */
+ OsiNameDiscipline,
+ /*! \brief End marker.
+
+ Used by OsiSolverInterface to allocate a fixed-sized array to store
+ integer parameters.
+ */
+ OsiLastIntParam
+} ;
+
+enum OsiDblParam {
+ /*! \brief 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).
+ */
+ OsiDualObjectiveLimit = 0,
+ /*! \brief Primal objective limit.
+
+ This is to be used as a termination criteria in algorithms where the
+ primal objective changes monotonically (e.g., primal simplex)
+ */
+ OsiPrimalObjectiveLimit,
+ /*! \brief Dual feasibility tolerance.
+
+ The maximum amount a dual constraint can be violated and still be
+ considered feasible.
+ */
+ OsiDualTolerance,
+ /*! \brief Primal feasibility tolerance.
+
+ The maximum amount a primal constraint can be violated and still be
+ considered feasible.
+ */
+ OsiPrimalTolerance,
+ /** The value of any constant term in the objective function. */
+ OsiObjOffset,
+ /*! \brief End marker.
+
+ Used by OsiSolverInterface to allocate a fixed-sized array to store
+ double parameters.
+ */
+ OsiLastDblParam
+};
+
+
+enum OsiStrParam {
+ /*! \brief The name of the loaded problem.
+
+ This is the string specified on the Name card of an mps file.
+ */
+ OsiProbName = 0,
+ /*! \brief The name of the solver.
+
+ This parameter is read-only.
+ */
+ OsiSolverName,
+ /*! \brief End marker.
+
+ Used by OsiSolverInterface to allocate a fixed-sized array to store
+ string parameters.
+ */
+ OsiLastStrParam
+};
+
+enum OsiHintParam {
+ /** Whether to do a presolve in initialSolve */
+ OsiDoPresolveInInitial = 0,
+ /** Whether to use a dual algorithm in initialSolve.
+ The reverse is to use a primal algorithm */
+ OsiDoDualInInitial,
+ /** Whether to do a presolve in resolve */
+ OsiDoPresolveInResolve,
+ /** Whether to use a dual algorithm in resolve.
+ The reverse is to use a primal algorithm */
+ OsiDoDualInResolve,
+ /** Whether to scale problem */
+ OsiDoScale,
+ /** Whether to create a non-slack basis (only in initialSolve) */
+ OsiDoCrash,
+ /** Whether to reduce amount of printout, e.g., for branch and cut */
+ OsiDoReducePrint,
+ /** Whether we are in branch and cut - so can modify behavior */
+ OsiDoInBranchAndCut,
+ /** Just a marker, so that OsiSolverInterface can allocate a static sized
+ array to store parameters. */
+ OsiLastHintParam
+};
+
+enum OsiHintStrength {
+ /** Ignore hint (default) */
+ OsiHintIgnore = 0,
+ /** This means it is only a hint */
+ OsiHintTry,
+ /** This means do hint if at all possible */
+ OsiHintDo,
+ /** And this means throw an exception if not possible */
+ OsiForceDo
+};
+
+#endif