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rel-op.cpp
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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 *
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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 SetVarArgs& x, SetVar y) {
47 ViewArray<SetView> xa(home,x);
48 switch (op) {
49 case SOT_UNION:
51 break;
52 case SOT_DUNION:
55 break;
56 case SOT_INTER:
57 {
60 ::post(home, xa, y)));
61 }
62 break;
63 case SOT_MINUS:
64 throw IllegalOperation("Set::rel");
65 break;
66 default:
67 throw UnknownOperation("Set::rel");
68 }
69 }
70
71 void
72 rel(Home home, SetOpType op, const SetVarArgs& x, const IntSet& z, SetVar y) {
74 Set::Limits::check(z, "Set::rel");
75 ViewArray<SetView> xa(home,x);
76 switch (op) {
77 case SOT_UNION:
79 break;
80 case SOT_DUNION:
83 break;
84 case SOT_INTER:
85 {
88 ::post(home, xa, z, y)));
89 }
90 break;
91 case SOT_MINUS:
92 throw IllegalOperation("Set::rel");
93 break;
94 default:
95 throw UnknownOperation("Set::rel");
96 }
97 }
98
99}
100
101// STATISTICS: set-post
Home class for posting propagators
Definition core.hpp:856
Integer sets.
Definition int.hh:174
Exception: Illegal operation passed as argument
Exception: Unknown operation passed as argument
Definition exception.hpp:94
Passing set variables.
Definition set.hh:491
Set variables
Definition set.hh:127
Propagator for nary intersection
Definition rel-op.hh:183
static ExecStatus post(Home home, ViewArray< View0 > &y, View1 x)
Post propagator .
Definition partition.hpp:79
static ExecStatus post(Home home, ViewArray< View0 > &y, View1 x)
Post propagator .
Definition union.hpp:235
View arrays.
Definition array.hpp:253
#define GECODE_POST
Check for failure in a constraint post function.
Definition macros.hpp:40
#define GECODE_ES_FAIL(es)
Check whether execution status es is failed, and fail space home.
Definition macros.hpp:103
void rel(Home home, FloatVar x0, FloatRelType frt, FloatVar x1)
Post propagator for .
Definition rel.cpp:68
SetOpType
Common operations for sets.
Definition set.hh:666
@ SOT_MINUS
Difference.
Definition set.hh:670
@ SOT_DUNION
Disjoint union.
Definition set.hh:668
@ SOT_UNION
Union.
Definition set.hh:667
@ SOT_INTER
Intersection
Definition set.hh:669
void check(int n, const char *l)
Check whether integer n is in range, otherwise throw overflow exception with information l.
Definition limits.hpp:37
Gecode toplevel namespace
Post propagator for SetVar SetOpType SetVar SetRelType SetVar z
Definition set.hh:773
Post propagator for SetVar SetOpType SetVar y
Definition set.hh:773
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.
Definition filter.cpp:138
Post propagator for SetVar x
Definition set.hh:773
Post propagator for SetVar SetOpType op
Definition set.hh:773