# CbcFeasibilityBase.hpp

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    00001 /* $Id: CbcFeasibilityBase.hpp 1573 2011-01-05 01:12:36Z lou $ */
    00002 // Copyright (C) 2005, International Business Machines
    00003 // Corporation and others.  All Rights Reserved.
    00004 // This code is licensed under the terms of the Eclipse Public License (EPL).
    00005
    00006 #ifndef CbcFeasibilityBase_H
    00007 #define CbcFeasibilityBase_H
    00008
    00009
    00010 //#############################################################################
    00011 /*  There are cases where the user wants to control how CBC sees the problems feasibility.
    00012     The user may want to examine the problem and say :
    00013     a) The default looks OK
    00014     b) Pretend this problem is Integer feasible
    00015     c) Pretend this problem is infeasible even though it looks feasible
    00016
    00017     This simple class allows user to do that.
    00018
    00019 */
    00020
    00021 class CbcModel;
    00022 class CbcFeasibilityBase {
    00023 public:
    00024     // Default Constructor
    00025     CbcFeasibilityBase () {}
    00026
    00036     virtual int feasible(CbcModel * , int ) {
    00037         return 0;
    00038     }
    00039
    00040     virtual ~CbcFeasibilityBase() {}
    00041
    00042     // Copy constructor
    00043     CbcFeasibilityBase ( const CbcFeasibilityBase & ) {}
    00044
    00045     // Assignment operator
    00046     CbcFeasibilityBase & operator=( const CbcFeasibilityBase& ) {
    00047         return *this;
    00048     }
    00049
    00051     virtual CbcFeasibilityBase * clone() const {
    00052         return new CbcFeasibilityBase(*this);
    00053     }
    00054 };
    00055 #endif
    00056

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