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val-commit.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Contributing authors:
7  * Gabor Szokoli <szokoli@gecode.org>
8  * Guido Tack <tack@gecode.org>
9  *
10  * Copyright:
11  * Christian Schulte, 2012
12  * Gabor Szokoli, 2004
13  * Guido Tack, 2004
14  *
15  * This file is part of Gecode, the generic constraint
16  * development environment:
17  * http://www.gecode.org
18  *
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21  * "Software"), to deal in the Software without restriction, including
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24  * permit persons to whom the Software is furnished to do so, subject to
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38  */
39 
40 namespace Gecode { namespace Set { namespace Branch {
41 
44  : ValCommit<SetView,int>(home,vb) {}
47  : ValCommit<SetView,int>(home,vc) {}
49  ValCommitInc::commit(Space& home, unsigned int a, SetView x, int, int n) {
50  return (a == 0) ? x.include(home,n) : x.exclude(home,n);
51  }
53  ValCommitInc::ngl(Space& home, unsigned int a, SetView x, int n) const {
54  if (a == 0)
55  return new (home) IncNGL(home,x,n);
56  else
57  return NULL;
58  }
59  forceinline void
60  ValCommitInc::print(const Space&, unsigned int a, SetView, int i, int n,
61  std::ostream& o) const {
62  o << "var[" << i << "]."
63  << ((a == 0) ? "include" : "exclude") << "(" << n << ")";
64  }
65 
68  : ValCommit<SetView,int>(home,vb) {}
71  : ValCommit<SetView,int>(home,vc) {}
73  ValCommitExc::commit(Space& home, unsigned int a, SetView x, int, int n) {
74  return (a == 0) ? x.exclude(home,n) : x.include(home,n);
75  }
77  ValCommitExc::ngl(Space& home, unsigned int a, SetView x, int n) const {
78  if (a == 0)
79  return new (home) ExcNGL(home,x,n);
80  else
81  return NULL;
82  }
83  forceinline void
84  ValCommitExc::print(const Space&, unsigned int a, SetView, int i, int n,
85  std::ostream& o) const {
86  o << "var[" << i << "]."
87  << ((a == 0) ? "exclude" : "include") << "(" << n << ")";
88  }
89 
90 }}}
91 
92 // STATISTICS: set-branch
93 
Post propagator for SetVar x
Definition: set.hh:767
ValCommitExc(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
Definition: val-commit.hpp:67
void print(const Space &home, unsigned int a, SetView x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
Definition: val-commit.hpp:84
No-good literal for inclusion.
Definition: branch.hh:301
Value commit class for exclusion.
Definition: branch.hh:381
Base class for value commit.
Definition: val-commit.hpp:44
Computation spaces.
Definition: core.hpp:1742
Gecode toplevel namespace
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
Definition: val-commit.hpp:77
void print(const Space &home, unsigned int a, SetView x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
Definition: val-commit.hpp:60
ModEvent commit(Space &home, unsigned int a, SetView x, int i, int n)
Commit view x at position i to value n for alternative a.
Definition: val-commit.hpp:49
Value branching information.
Definition: val.hpp:41
ModEvent commit(Space &home, unsigned int a, SetView x, int i, int n)
Commit view x at position i to value n for alternative a.
Definition: val-commit.hpp:73
No-good literal for exclusion.
Definition: branch.hh:319
struct Gecode::@602::NNF::@65::@67 a
For atomic nodes.
int ModEvent
Type for modification events.
Definition: core.hpp:62
Set view for set variables
Definition: view.hpp:56
Value commit class for inclusion.
Definition: branch.hh:360
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
Definition: val-commit.hpp:53
ValCommitInc(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
Definition: val-commit.hpp:43
#define forceinline
Definition: config.hpp:185
No-good literal recorded during search.
Definition: core.hpp:1340
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:234
Gecode::IntArgs i({1, 2, 3, 4})