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branch-val.hpp
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37 
38 namespace Gecode {
39 
44  template<class Var>
45  class ValBranch {
46  public:
51  protected:
53  Rnd r;
58  public:
60  ValBranch(void);
62  ValBranch(Rnd r);
66  Rnd rnd(void) const;
68  BranchVal val(void) const;
70  BranchCommit commit(void) const;
71  };
72 
73 
74  template<class Var>
75  inline
77  : vf(nullptr), cf(nullptr) {}
78 
79  template<class Var>
80  inline
82  : r(r0), vf(nullptr), cf(nullptr) {
83  if (!r)
84  throw UninitializedRnd("ValBranch::ValBranch");
85  }
86 
87  template<class Var>
88  inline
90  : vf(v), cf(c) {}
91 
92  template<class Var>
93  inline Rnd
94  ValBranch<Var>::rnd(void) const {
95  return r;
96  }
97 
98  template<class Var>
99  inline typename ValBranch<Var>::BranchVal
100  ValBranch<Var>::val(void) const {
101  return vf;
102  }
103 
104  template<class Var>
105  inline typename ValBranch<Var>::BranchCommit
107  return cf;
108  }
109 
110 }
111 
112 // STATISTICS: kernel-branch
BranchVal vf
Value function.
Definition: branch-val.hpp:55
Rnd rnd(void) const
Return random number generator.
Definition: branch-val.hpp:94
Gecode::FloatVal c(-8, 8)
NNF * r
Right subtree.
Definition: bool-expr.cpp:246
Exception: uninitialized random number generator
Definition: exception.hpp:146
ValBranch(void)
Initialize.
Definition: branch-val.hpp:76
BranchTraits< Var >::Val BranchVal
The corresponding branching value function.
Definition: branch-val.hpp:48
BranchVal val(void) const
Return value function.
Definition: branch-val.hpp:100
BranchTraits< Var >::Commit BranchCommit
The corresponding branching commit function.
Definition: branch-val.hpp:50
const int v[7]
Definition: distinct.cpp:263
Value branching information.
Definition: branch-val.hpp:45
Rnd r
Random number generator.
Definition: branch-val.hpp:53
BranchCommit commit(void) const
Return commit function.
Definition: branch-val.hpp:106
Gecode toplevel namespace
BranchCommit cf
Commit function.
Definition: branch-val.hpp:57
Random number generator.
Definition: rnd.hpp:46
Traits for branching.