BCP_enum.hpp

// Copyright (C) 2000, International Business Machines
// Corporation and others.  All Rights Reserved.
#ifndef _BCP_ENUM_H
#define _BCP_ENUM_H

// This file is fully docified.

//-----------------------------------------------------------------------------

enum BCP_slack_cut_discarding{
   BCP_DiscardSlackCutsAtNewNode,
   BCP_DiscardSlackCutsAtNewIteration
};

//-----------------------------------------------------------------------------

enum BCP_CutViolationNorm {
   BCP_CutViolationNorm_Plain,
   BCP_CutViolationNorm_Distance,
   BCP_CutViolationNorm_Directional
};

//-----------------------------------------------------------------------------

enum BCP_object_t{
   BCP_CoreObj,
   BCP_IndexedObj,
   BCP_AlgoObj,
   BCP_NoObj
};

//-----------------------------------------------------------------------------

enum BCP_column_generation{
   BCP_DoNotGenerateColumns_Fathom,
   BCP_DoNotGenerateColumns_Send,
   BCP_GenerateColumns
};

//-----------------------------------------------------------------------------

enum BCP_storage_t{
   BCP_Storage_NoData,
   BCP_Storage_Explicit,
   BCP_Storage_WrtParent,
   BCP_Storage_WrtCore
};

//-----------------------------------------------------------------------------

enum BCP_obj_status{
   BCP_ObjNoInfo = 0x00,
   BCP_ObjDoNotSendToPool = 0x01,
   BCP_ObjCannotBeBranchedOn = 0x02,
   BCP_ObjNotRemovable = 0x04,
   BCP_ObjToBeRemoved = 0x08,
   BCP_ObjInactive = 0x10 // fixed for vars, free for cuts
};

//-----------------------------------------------------------------------------

enum BCP_primal_solution_description{
   BCP_PrimalSolution_Nonzeros,
   BCP_PrimalSolution_Fractions,
   BCP_PrimalSolution_Full
};

enum BCP_dual_solution_description{
   BCP_DualSolution_Nonzeros,
   BCP_DualSolution_Full
};

//-----------------------------------------------------------------------------

enum BCP_var_t{
   BCP_BinaryVar,
   BCP_IntegerVar,
   BCP_ContinuousVar
};

//-----------------------------------------------------------------------------

enum BCP_IneffectiveConstraints{
   BCP_IneffConstr_None,
   BCP_IneffConstr_NonzeroSlack,
   BCP_IneffConstr_ZeroDualValue
};

//-----------------------------------------------------------------------------

enum BCP_feasibility{
   BCP_NotFeasible,
   BCP_Feasible,
   BCP_HeuristicFeasible
};

enum BCP_feasibility_test{
   BCP_Binary_Feasible,
   BCP_Integral_Feasible,
   BCP_FullTest_Feasible
};

//-----------------------------------------------------------------------------
// The possible return values of price_variables
// *FIXME*: missing documentation 

enum BCP_dual_status{
   BCP_TotalDualFeasible = 1,
   BCP_TotalDualFeasible_HasAllIndexed = 1,
   BCP_TotalDualFeasible_NotAllIndexed = 2,
   BCP_NotTotalDualFeasible = 0
};

//-----------------------------------------------------------------------------
// *FIXME*: missing documentation 

enum BCP_pricing_status{
   BCP_PriceNothing = 0x00,
   BCP_PriceAlgoVars = 0x01,
   BCP_PriceUntilLastIndexedToPrice = 0x02,
   BCP_PriceAfterLastIndexedToPrice = 0x04,
   BCP_PriceIndexedVars = ( BCP_PriceUntilLastIndexedToPrice |
                            BCP_PriceAfterLastIndexedToPrice )
};

//-----------------------------------------------------------------------------
enum BCP_object_origin{
   BCP_Object_Leftover,
   BCP_Object_Branching,
   BCP_Object_FromGenerator,
   BCP_Object_FromPool,
   BCP_Object_FromTreeManager
};

//-----------------------------------------------------------------------------
enum BCP_object_compare_result{
   BCP_ObjsAreSame,
   BCP_FirstObjIsBetter,
   BCP_SecondObjIsBetter,
   BCP_DifferentObjs
};

#endif

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