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author | Harpreet | 2016-09-03 00:36:51 +0530 |
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committer | Harpreet | 2016-09-03 00:36:51 +0530 |
commit | a0d9443af147e949c1e6a01ac24749d12593ec5b (patch) | |
tree | 1a1955c5482ae608fd7f618b06f4ecc6a0d39a23 /thirdparty/linux/include/coin/CbcFeasibilityBase.hpp | |
parent | 4b64cf486f5c999fd8167758cae27839f3b50848 (diff) | |
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cbcintlinprog added
Diffstat (limited to 'thirdparty/linux/include/coin/CbcFeasibilityBase.hpp')
-rw-r--r-- | thirdparty/linux/include/coin/CbcFeasibilityBase.hpp | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/thirdparty/linux/include/coin/CbcFeasibilityBase.hpp b/thirdparty/linux/include/coin/CbcFeasibilityBase.hpp new file mode 100644 index 0000000..fe8181f --- /dev/null +++ b/thirdparty/linux/include/coin/CbcFeasibilityBase.hpp @@ -0,0 +1,56 @@ +/* $Id: CbcFeasibilityBase.hpp 1573 2011-01-05 01:12:36Z lou $ */ +// Copyright (C) 2005, International Business Machines +// Corporation and others. All Rights Reserved. +// This code is licensed under the terms of the Eclipse Public License (EPL). + +#ifndef CbcFeasibilityBase_H +#define CbcFeasibilityBase_H + + +//############################################################################# +/* There are cases where the user wants to control how CBC sees the problems feasibility. + The user may want to examine the problem and say : + a) The default looks OK + b) Pretend this problem is Integer feasible + c) Pretend this problem is infeasible even though it looks feasible + + This simple class allows user to do that. + +*/ + +class CbcModel; +class CbcFeasibilityBase { +public: + // Default Constructor + CbcFeasibilityBase () {} + + /** + On input mode: + 0 - called after a solve but before any cuts + -1 - called after strong branching + Returns : + 0 - no opinion + -1 pretend infeasible + 1 pretend integer solution + */ + virtual int feasible(CbcModel * , int ) { + return 0; + } + + virtual ~CbcFeasibilityBase() {} + + // Copy constructor + CbcFeasibilityBase ( const CbcFeasibilityBase & ) {} + + // Assignment operator + CbcFeasibilityBase & operator=( const CbcFeasibilityBase& ) { + return *this; + } + + /// Clone + virtual CbcFeasibilityBase * clone() const { + return new CbcFeasibilityBase(*this); + } +}; +#endif + |