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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Guido Tack <tack@gecode.org>
5 *
6 * Contributing authors:
7 * Gabor Szokoli <szokoli@gecode.org>
8 *
9 * Copyright:
10 * Guido Tack, 2004, 2005
11 *
12 * This file is part of Gecode, the generic constraint
13 * development environment:
14 * http://www.gecode.org
15 *
16 * Permission is hereby granted, free of charge, to any person obtaining
17 * a copy of this software and associated documentation files (the
18 * "Software"), to deal in the Software without restriction, including
19 * without limitation the rights to use, copy, modify, merge, publish,
20 * distribute, sublicense, and/or sell copies of the Software, and to
21 * permit persons to whom the Software is furnished to do so, subject to
22 * the following conditions:
23 *
24 * The above copyright notice and this permission notice shall be
25 * included in all copies or substantial portions of the Software.
26 *
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
31 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
32 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
33 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 *
35 */
36
37#include <gecode/set/rel-op.hh>
38
39namespace Gecode {
40 using namespace Gecode::Set;
41 using namespace Gecode::Set::Rel;
42 using namespace Gecode::Set::RelOp;
43
44 void
45 rel(Home home, SetOpType op, const IntVarArgs& x, SetVar y) {
46 GECODE_POST;
47 ViewArray<SingletonView> xa(home,x.size());
48 for (int i=x.size(); i--;) {
49 Int::IntView iv(x[i]);
50 SingletonView sv(iv);
51 xa[i] = sv;
52 }
53
54 switch (op) {
55 case SOT_UNION:
56 GECODE_ES_FAIL((RelOp::UnionN<SingletonView,SetView>
57 ::post(home, xa, y)));
58 break;
59 case SOT_DUNION:
60 GECODE_ES_FAIL((RelOp::PartitionN<SingletonView,SetView>
61 ::post(home, xa, y)));
62 break;
63 case SOT_INTER:
64 GECODE_ES_FAIL(
65 (RelOp::IntersectionN<SingletonView,SetView>
66 ::post(home, xa, y)));
67 break;
68 case SOT_MINUS:
69 throw IllegalOperation("Set::rel");
70 break;
71 default:
72 throw UnknownOperation("Set::rel");
73 }
74 }
75
76 void
77 rel(Home home, SetOpType op, const IntVarArgs& x, const IntSet& z,
78 SetVar y) {
79 GECODE_POST;
80 Set::Limits::check(z, "Set::rel");
81 ViewArray<SingletonView> xa(home,x.size());
82 for (int i=x.size(); i--;) {
83 Int::IntView iv(x[i]);
84 SingletonView sv(iv);
85 xa[i] = sv;
86 }
87
88 switch (op) {
89 case SOT_UNION:
90 GECODE_ES_FAIL((RelOp::UnionN<SingletonView,SetView>
91 ::post(home, xa, z, y)));
92 break;
93 case SOT_DUNION:
94 GECODE_ES_FAIL((RelOp::PartitionN<SingletonView,SetView>
95 ::post(home, xa, z, y)));
96 break;
97 case SOT_INTER:
98 GECODE_ES_FAIL(
99 (RelOp::IntersectionN<SingletonView,SetView>
100 ::post(home, xa, z, y)));
101 break;
102 case SOT_MINUS:
103 throw IllegalOperation("set::rel");
104 break;
105 default:
106 throw UnknownOperation("Set::rel");
107 }
108 }
109}
110
111// STATISTICS: set-post