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val-commit.hpp
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7 * Christian Schulte, 2012
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33
34namespace Gecode { namespace Int { namespace Branch {
35
36 template<class View>
39 (Space& home, const ValBranch<ValCommitEq<View>::Var>& vb)
40 : ValCommit<View,int>(home,vb) {}
41 template<class View>
45 template<class View>
47 ValCommitEq<View>::commit(Space& home, unsigned int a, View x, int, int n) {
48 return (a == 0) ? x.eq(home,n) : x.nq(home,n);
49 }
50 template<class View>
52 ValCommitEq<View>::ngl(Space& home, unsigned int a, View x, int n) const {
53 if (a == 0)
54 return new (home) EqNGL<View>(home,x,n);
55 else
56 return NULL;
57 }
58 template<class View>
59 forceinline void
60 ValCommitEq<View>::print(const Space&, unsigned int a, View, int i,
61 int n, std::ostream& o) const {
62 o << "var[" << i << "] "
63 << ((a == 0) ? "=" : "!=") << " " << n;
64 }
65
66 template<class View>
69 (Space& home, const ValBranch<ValCommitLq<View>::Var>& vb)
70 : ValCommit<View,int>(home,vb) {}
71 template<class View>
75 template<class View>
77 ValCommitLq<View>::commit(Space& home, unsigned int a, View x, int, int n) {
78 return (a == 0) ? x.lq(home,n) : x.gr(home,n);
79 }
80 template<class View>
82 ValCommitLq<View>::ngl(Space& home, unsigned int a, View x, int n) const {
83 if (a == 0)
84 return new (home) LqNGL<View>(home,x,n);
85 else
86 return NULL;
87 }
88 template<class View>
89 forceinline void
90 ValCommitLq<View>::print(const Space&, unsigned int a, View, int i,
91 int n, std::ostream& o) const {
92 o << "var[" << i << "] "
93 << ((a == 0) ? "<=" : ">") << " " << n;
94 }
95
96 template<class View>
99 (Space& home, const ValBranch<ValCommitGq<View>::Var>& vb)
100 : ValCommit<View,int>(home,vb) {}
101 template<class View>
105 template<class View>
107 ValCommitGq<View>::commit(Space& home, unsigned int a, View x, int, int n) {
108 return (a == 0) ? x.gq(home,n) : x.le(home,n);
109 }
110 template<class View>
112 ValCommitGq<View>::ngl(Space& home, unsigned int a, View x, int n) const {
113 if (a == 0)
114 return new (home) GqNGL<View>(home,x,n);
115 else
116 return NULL;
117 }
118 template<class View>
119 forceinline void
120 ValCommitGq<View>::print(const Space&, unsigned int a, View, int i,
121 int n, std::ostream& o) const {
122 o << "var[" << i << "] "
123 << ((a == 0) ? ">=" : "<") << " " << n;
124 }
125
126 template<class View>
129 (Space& home, const ValBranch<ValCommitGr<View>::Var>& vb)
130 : ValCommit<View,int>(home,vb) {}
131 template<class View>
135 template<class View>
137 ValCommitGr<View>::commit(Space& home, unsigned int a, View x, int, int n) {
138 return (a == 0) ? x.gr(home,n) : x.lq(home,n);
139 }
140 template<class View>
142 ValCommitGr<View>::ngl(Space& home, unsigned int a, View x, int n) const {
143 if (a == 0)
144 return new (home) GqNGL<View>(home,x,n+1);
145 else
146 return NULL;
147 }
148 template<class View>
149 forceinline void
150 ValCommitGr<View>::print(const Space&, unsigned int a, View, int i,
151 int n, std::ostream& o) const {
152 o << "var[" << i << "] "
153 << ((a == 0) ? ">" : "<=") << " " << n;
154 }
155
156}}}
157
158// STATISTICS: int-branch
159
No-good literal for equality.
Definition branch.hh:411
No-good literal for greater or equal.
Definition branch.hh:465
No-good literal for less or equal.
Definition branch.hh:447
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
ModEvent commit(Space &home, unsigned int a, View x, int i, int n)
Commit view x at position i to value n for alternative a.
void print(const Space &home, unsigned int a, View x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
ValCommitEq(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
void print(const Space &home, unsigned int a, View x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
ValCommitGq(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
ModEvent commit(Space &home, unsigned int a, View x, int i, int n)
Commit view x at position i to value n for alternative a.
ValCommitGr(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
ModEvent commit(Space &home, unsigned int a, View x, int i, int n)
Commit view x at position i to value n for alternative a.
void print(const Space &home, unsigned int a, View x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
void print(const Space &home, unsigned int a, View x, int i, int n, std::ostream &o) const
Print on o the alternative with view x at position i and value n.
NGL * ngl(Space &home, unsigned int a, View x, int n) const
Create no-good literal for alternative a.
ValCommitLq(Space &home, const ValBranch< Var > &vb)
Constructor for initialization.
ModEvent commit(Space &home, unsigned int a, View x, int i, int n)
Commit view x at position i to value n for alternative a.
No-good literal recorded during search.
Definition core.hpp:1342
Computation spaces.
Definition core.hpp:1744
Value branching information.
Definition val.hpp:41
Base class for value commit.
ValCommit(Space &home, const ValBranch< Var > &vb)
Integer branchers.
Finite domain integers.
Gecode toplevel namespace
Post propagator for SetVar x
Definition set.hh:773
int ModEvent
Type for modification events.
Definition core.hpp:62
#define forceinline
Definition config.hpp:194