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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  * Last modified:
16  * $Date: 2013-07-04 17:03:13 +0200 (Thu, 04 Jul 2013) $ by $Author: schulte $
17  * $Revision: 13801 $
18  *
19  * This file is part of Gecode, the generic constraint
20  * development environment:
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43 
44 namespace Gecode { namespace Set { namespace Branch {
45 
48  : ValCommit<SetView,int>(home,vb) {}
51  : ValCommit<SetView,int>(home,shared,vc) {}
53  ValCommitInc::commit(Space& home, unsigned int a, SetView x, int, int n) {
54  return (a == 0) ? x.include(home,n) : x.exclude(home,n);
55  }
57  ValCommitInc::ngl(Space& home, unsigned int a, SetView x, int n) const {
58  if (a == 0)
59  return new (home) IncNGL(home,x,n);
60  else
61  return NULL;
62  }
63  forceinline void
64  ValCommitInc::print(const Space&, unsigned int a, SetView, int i, int n,
65  std::ostream& o) const {
66  o << "var[" << i << "]."
67  << ((a == 0) ? "include" : "exclude") << "(" << n << ")";
68  }
69 
72  : ValCommit<SetView,int>(home,vb) {}
75  : ValCommit<SetView,int>(home,shared,vc) {}
77  ValCommitExc::commit(Space& home, unsigned int a, SetView x, int, int n) {
78  return (a == 0) ? x.exclude(home,n) : x.include(home,n);
79  }
81  ValCommitExc::ngl(Space& home, unsigned int a, SetView x, int n) const {
82  if (a == 0)
83  return new (home) ExcNGL(home,x,n);
84  else
85  return NULL;
86  }
87  forceinline void
88  ValCommitExc::print(const Space&, unsigned int a, SetView, int i, int n,
89  std::ostream& o) const {
90  o << "var[" << i << "]."
91  << ((a == 0) ? "exclude" : "include") << "(" << n << ")";
92  }
93 
94 }}}
95 
96 // STATISTICS: set-branch
97 
No-good literal for inclusion.
Definition: branch.hh:282
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:64
ModEvent include(Space &home, int i, int j)
Update greatest lower bound to include all elements between and including i and j.
Definition: set.hpp:130
Value commit class for exclusion.
Definition: branch.hh:362
int ModEvent
Type for modification events.
Definition: core.hpp:146
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:88
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
Definition: val-commit.hpp:57
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
Definition: val-commit.hpp:81
Computation spaces.
Definition: core.hpp:1362
ValCommitInc(Space &home, const ValBranch &vb)
Constructor for initialization.
Definition: val-commit.hpp:47
Base class for value commit.
Gecode::IntArgs i(4, 1, 2, 3, 4)
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
No-good literal for exclusion.
Definition: branch.hh:300
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:53
Set view for set variables
Definition: view.hpp:60
Value branching information.
Definition: branch-val.hpp:44
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
Value commit class for inclusion.
Definition: branch.hh:341
#define forceinline
Definition: config.hpp:132
bool shared(const ConstView< ViewA > &, const ConstView< ViewB > &)
Test whether views share same variable.
Definition: view.hpp:662
ValCommitExc(Space &home, const ValBranch &vb)
Constructor for initialization.
Definition: val-commit.hpp:71
ModEvent exclude(Space &home, int i, int j)
Restrict least upper bound to not contain all elements between and including i and j...
Definition: set.hpp:160
Gecode toplevel namespace
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:77
struct Gecode::@518::NNF::@57::@59 a
For atomic nodes.
No-good literal recorded during search.
Definition: core.hpp:971