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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2012
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34namespace Gecode { namespace Int { namespace Branch {
35
36 template<class View>
37 forceinline
38 ValCommitEq<View>::ValCommitEq
39 (Space& home, const ValBranch<typename ValCommitEq<View>::Var>& vb)
40 : ValCommit<View,int>(home,vb) {}
41 template<class View>
42 forceinline
43 ValCommitEq<View>::ValCommitEq(Space& home, ValCommitEq& vc)
44 : ValCommit<View,int>(home,vc) {}
45 template<class View>
46 forceinline ModEvent
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>
51 forceinline NGL*
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 nullptr;
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>
67 forceinline
68 ValCommitLq<View>::ValCommitLq
69 (Space& home, const ValBranch<typename ValCommitLq<View>::Var>& vb)
70 : ValCommit<View,int>(home,vb) {}
71 template<class View>
72 forceinline
73 ValCommitLq<View>::ValCommitLq(Space& home, ValCommitLq& vc)
74 : ValCommit<View,int>(home,vc) {}
75 template<class View>
76 forceinline ModEvent
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>
81 forceinline NGL*
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 nullptr;
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>
97 forceinline
98 ValCommitGq<View>::ValCommitGq
99 (Space& home, const ValBranch<typename ValCommitGq<View>::Var>& vb)
100 : ValCommit<View,int>(home,vb) {}
101 template<class View>
102 forceinline
103 ValCommitGq<View>::ValCommitGq(Space& home, ValCommitGq& vc)
104 : ValCommit<View,int>(home,vc) {}
105 template<class View>
106 forceinline ModEvent
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>
111 forceinline NGL*
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 nullptr;
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>
127 forceinline
128 ValCommitGr<View>::ValCommitGr
129 (Space& home, const ValBranch<typename ValCommitGr<View>::Var>& vb)
130 : ValCommit<View,int>(home,vb) {}
131 template<class View>
132 forceinline
133 ValCommitGr<View>::ValCommitGr(Space& home, ValCommitGr& vc)
134 : ValCommit<View,int>(home,vc) {}
135 template<class View>
136 forceinline ModEvent
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>
141 forceinline NGL*
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 nullptr;
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