Blis 0.95.0
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BlisBranchStrategyRel.h
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1/*===========================================================================*
2 * This file is part of the BiCePS Linear Integer Solver (BLIS). *
3 * *
4 * ALPS is distributed under the Eclipse Public License as part of the *
5 * COIN-OR repository (http://www.coin-or.org). *
6 * *
7 * Authors: *
8 * *
9 * Yan Xu, Lehigh University *
10 * Ted Ralphs, Lehigh University *
11 * *
12 * Conceptual Design: *
13 * *
14 * Yan Xu, Lehigh University *
15 * Ted Ralphs, Lehigh University *
16 * Laszlo Ladanyi, IBM T.J. Watson Research Center *
17 * Matthew Saltzman, Clemson University *
18 * *
19 * *
20 * Copyright (C) 2001-2023, Lehigh University, Yan Xu, and Ted Ralphs. *
21 * All Rights Reserved. *
22 *===========================================================================*/
23
24
25//#############################################################################
26// NOTE: Borrow ideas from COIN/Cbc
27//#############################################################################
28
29
30#ifndef BlisBranchStrategyRel_h_
31#define BlisBranchStrategyRel_h_
32
33#include "BcpsBranchObject.h"
34#include "BcpsBranchStrategy.h"
35#include "BlisConfig.h"
36#include "BlisModel.h"
37
38
41class BLISLIB_EXPORT BlisBranchStrategyRel : public BcpsBranchStrategy {
42
43 private:
45 BlisBranchStrategyRel& operator=(const BlisBranchStrategyRel& rhs);
46
47 protected:
48
50
51 public:
52
55 relibility_ = 1;
56 type_ = static_cast<int>(BlisBranchingStrategyReliability);
57 }
58
61 : BcpsBranchStrategy(model) {
62 relibility_ = 1;
63 type_ = static_cast<int>(BlisBranchingStrategyReliability);
64 }
65
68
71
73 void setRelibility(int rel) { relibility_ = rel; }
74
76 virtual BcpsBranchStrategy * clone() const {
77 return new BlisBranchStrategyRel(*this);
78 }
79
85 virtual int betterBranchObject(BcpsBranchObject * thisOne,
86 BcpsBranchObject * bestSoFar);
87
89 virtual int createCandBranchObjects(int numPassesLeft, double ub);
90};
91
92#endif
@ BlisBranchingStrategyReliability
Definition Blis.h:105
Blis branching strategy.
virtual BcpsBranchStrategy * clone() const
Clone a brancing strategy.
virtual int createCandBranchObjects(int numPassesLeft, double ub)
Create a set of candidate branching objects.
BlisBranchStrategyRel(BlisModel *model, int rel)
Useful Constructor.
BlisBranchStrategyRel()
Default Constructor.
BlisBranchStrategyRel(const BlisBranchStrategyRel &)
Copy constructor.
virtual ~BlisBranchStrategyRel()
Destructor.
virtual int betterBranchObject(BcpsBranchObject *thisOne, BcpsBranchObject *bestSoFar)
Compare branching object thisOne to bestSoFar.
void setRelibility(int rel)
Set relibility.
#define BLISLIB_EXPORT
Definition config.h:5