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

// This file is fully docified.

enum BCP_message_tag{
   BCP_CONFIG_CHANGE = 1,       // config -> TM
   BCP_CONFIG_ERROR = 2,        // TM ->config
   BCP_CONFIG_OK = 3,           // TM ->config
   BCP_ARE_YOU_TREEMANAGER = 4, // config -> all 
   BCP_I_AM_TREEMANAGER = 5,    // TM ->config
   BCP_Msg_NoMessage,
   BCP_Msg_AnyMessage,
   BCP_Msg_User,
   BCP_Msg_SomethingDied, 
   BCP_Msg_UpperBound,        
   BCP_Msg_FinishedBCP,       // TM -> slaves
   BCP_Msg_ProcessType,       // TM -> slaves
   BCP_Msg_ProcessParameters, // TM -> slaves
   BCP_Msg_CoreDescription,   // TM -> slaves
   BCP_Msg_InitialUserInfo,   // TM -> slaves
   BCP_Msg_RootToPrice,       // TM -> LP
   BCP_Msg_ActiveNodeData,    // TM -> LP
   BCP_Msg_NextPhaseStarts,   // TM -> LP
   BCP_Msg_DivingInfo,        // TM -> LP
   BCP_Msg_CutIndexSet,        // TM -> LP
   BCP_Msg_VarIndexSet,        // TM -> LP
   BCP_Msg_NodeDescription_Discarded,        // LP -> TM
   BCP_Msg_NodeDescription_OverUB,           // LP -> TM
   BCP_Msg_NodeDescription_Infeas,           // LP -> TM
   BCP_Msg_NodeDescription_OverUB_Pruned,    // LP -> TM
   BCP_Msg_NodeDescription_Infeas_Pruned,    // LP -> TM
   BCP_Msg_NodeDescriptionWithBranchingInfo, // LP -> TM
   BCP_Msg_PricedRoot,                       // LP -> TM
   BCP_Msg_FeasibleSolution,                 // LP -> TM
   BCP_Msg_LpStatistics,                     // LP -> TM

   BCP_Msg_RequestCutIndexSet, // LP -> TM
   BCP_Msg_RequestVarIndexSet, // LP -> TM
   BCP_Msg_ForCG_PrimalNonzeros,     // LP -> CG / CP
   BCP_Msg_ForCG_PrimalFractions,    // LP -> CG / CP
   BCP_Msg_ForCG_PrimalFull,         // LP -> CG / CP
   BCP_Msg_ForCG_User,               // LP -> CG / CP
   BCP_Msg_CutsToCutPool,      // LP -> CP
   BCP_Msg_ForVG_DualNonzeros,     // LP -> VG / VP
   BCP_Msg_ForVG_DualFull,         // LP -> VG / VP
   BCP_Msg_ForVG_User,             // LP -> VG / VP
   BCP_Msg_VarsToVarPool,          // LP -> VP
   BCP_Msg_CutDescription,     // CG / CP -> LP
   BCP_Msg_NoMoreCuts,         // CG / CP -> LP
   BCP_Msg_VarDescription,     // VG / VP -> LP
   BCP_Msg_NoMoreVars          // VG / VP -> LP
   //    BCP_Msg_UserPacked,
   //    BCP_Msg_NoMoreMessage
};

#endif

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