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stopbrancher.cpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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3  * Main authors:
4  * Guido Tack <tack@gecode.org>
5  *
6  * Copyright:
7  * Guido Tack, 2006
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33 
35 
36 namespace Gecode { namespace Gist {
37 
39  void
41  Choice::archive(e);
42  }
43 
44  StopBrancher::StopBrancher(Home home) : Brancher(home), done(false) {}
45 
47  : Brancher(home,b), done(b.done) {}
48 
49  bool
50  StopBrancher::status(const Space&) const {
51  return !done;
52  }
53 
54  Choice*
56  return new StopChoice(*this);
57  }
58  Choice*
60  return new StopChoice(*this);
61  }
63  StopBrancher::commit(Space&, const Choice&, unsigned int) {
64  done = true;
65  return ES_OK;
66  }
67 
68  void
70  unsigned int, std::ostream&) const {
71  }
72 
73  Actor*
75  return new (home) StopBrancher(home, *this);
76  }
77  void
79  (void) new (home) StopBrancher(home);
80  }
81  size_t
83  return sizeof(*this);
84  }
85 
86 }}
87 
88 // STATISTICS: gist-any
virtual Choice * choice(Space &)
Return choice.
virtual void print(const Space &home, const Gecode::Choice &c, unsigned int, std::ostream &o) const
Print explanation.
bool done
Flag whether brancher has been executed.
Definition: stopbrancher.hh:52
Archive representation
Definition: archive.hpp:42
Computation spaces.
Definition: core.hpp:1742
Base-class for both propagators and branchers.
Definition: core.hpp:628
virtual size_t dispose(Space &)
Delete brancher and return its size.
Gecode toplevel namespace
virtual ExecStatus commit(Space &, const Choice &, unsigned int)
Perform commit for choice _c and alternative a.
Base-class for branchers.
Definition: core.hpp:1442
virtual bool status(const Space &) const
Check status of brancher, return true if alternatives left.
Home class for posting propagators
Definition: core.hpp:856
StopChoice(const Brancher &b)
Initialize choice for brancher b.
Choice for StopBrancher
Definition: stopbrancher.hh:40
struct Gecode::@602::NNF::@65::@66 b
For binary nodes (and, or, eqv)
static void post(Home home)
Post brancher.
virtual Actor * copy(Space &home)
Copy brancher.
Brancher that stops exploration in Gist
Definition: stopbrancher.hh:49
virtual void archive(Archive &e) const
Archive into e.
StopBrancher(Home home)
Construct brancher.
Choice for performing commit
Definition: core.hpp:1412
@ ES_OK
Execution is okay.
Definition: core.hpp:476
virtual void archive(Archive &e) const
Archive into e.
Definition: core.cpp:891
ExecStatus
Definition: core.hpp:472