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stopbrancher.cpp
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3  * Main authors:
4  * Guido Tack <tack@gecode.org>
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7  * Guido Tack, 2006
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37 
39 
40 namespace Gecode { namespace Gist {
41 
43  void
45  Choice::archive(e);
46  }
47 
48  StopBrancher::StopBrancher(Home home) : Brancher(home), done(false) {}
49 
51  : Brancher(home,b), done(b.done) {}
52 
53  bool
54  StopBrancher::status(const Space&) const {
55  return !done;
56  }
57 
58  Choice*
60  return new StopChoice(*this);
61  }
62  Choice*
64  return new StopChoice(*this);
65  }
67  StopBrancher::commit(Space&, const Choice&, unsigned int) {
68  done = true;
69  return ES_OK;
70  }
71 
72  void
74  unsigned int, std::ostream&) const {
75  }
76 
77  Actor*
79  return new (home) StopBrancher(home, *this);
80  }
81  void
83  (void) new (home) StopBrancher(home);
84  }
85  size_t
87  return sizeof(*this);
88  }
89 
90 }}
91 
92 // STATISTICS: gist-any
StopChoice(const Brancher &b)
Initialize choice for brancher b.
StopBrancher(Home home)
Construct brancher.
Computation spaces.
Definition: core.hpp:1668
virtual Actor * copy(Space &home)
Copy brancher.
Base-class for both propagators and branchers.
Definition: core.hpp:620
virtual ExecStatus commit(Space &, const Choice &, unsigned int)
Perform commit for choice _c and alternative a.
Base-class for branchers.
Definition: core.hpp:1368
virtual void archive(Archive &e) const
Archive into e.
struct Gecode::@585::NNF::@62::@63 b
For binary nodes (and, or, eqv)
Choice for StopBrancher
Definition: stopbrancher.hh:44
virtual void archive(Archive &e) const
Archive into e.
Definition: core.cpp:857
Choice for performing commit
Definition: core.hpp:1338
virtual Choice * choice(Space &)
Return choice.
Archive representation
Definition: archive.hpp:46
ExecStatus
Definition: core.hpp:464
Brancher that stops exploration in Gist
Definition: stopbrancher.hh:53
virtual bool status(const Space &) const
Check status of brancher, return true if alternatives left.
Execution is okay.
Definition: core.hpp:468
Gecode toplevel namespace
virtual size_t dispose(Space &)
Delete brancher and return its size.
Home class for posting propagators
Definition: core.hpp:846
virtual void print(const Space &home, const Gecode::Choice &c, unsigned int, std::ostream &o) const
Print explanation.
static void post(Home home)
Post brancher.
bool done
Flag whether brancher has been executed.
Definition: stopbrancher.hh:56