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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
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14  * http://www.gecode.org
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36 
37 #include <gecode/set/rel-op.hh>
38 
39 namespace 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
Propagator for nary intersection
Definition: rel-op.hh:183
Post propagator for SetVar x
Definition: set.hh:767
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
#define GECODE_ES_FAIL(es)
Check whether execution status es is failed, and fail space home.
Definition: macros.hpp:103
Exception: Unknown operation passed as argument
Definition: exception.hpp:94
Post propagator for SetVar SetOpType SetVar SetRelType SetVar z
Definition: set.hh:767
Passing set variables.
Definition: set.hh:488
Standard set relation propagators.
Definition: common.hpp:53
SetOpType
Common operations for sets.
Definition: set.hh:660
Standard set operation propagators.
Definition: common.hpp:76
Propagator for nary partition
Definition: rel-op.hh:256
@ SOT_INTER
Intersection
Definition: set.hh:663
Gecode toplevel namespace
Integer sets.
Definition: int.hh:174
Home class for posting propagators
Definition: core.hpp:856
Exception: Illegal operation passed as argument
Definition: exception.hpp:101
@ SOT_UNION
Union.
Definition: set.hh:661
Propagator for nary union
Definition: rel-op.hh:219
TFE post(PropagatorGroup g)
Only post functions (but not propagators) from g are considered.
Definition: filter.cpp:138
Set variables
Definition: set.hh:127
@ SOT_DUNION
Disjoint union.
Definition: set.hh:662
void rel(Home home, FloatVar x0, FloatRelType frt, FloatVal n)
Propagates .
Definition: rel.cpp:43
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
#define GECODE_POST
Check for failure in a constraint post function.
Definition: macros.hpp:40
Post propagator for SetVar SetOpType op
Definition: set.hh:767
@ SOT_MINUS
Difference.
Definition: set.hh:664
Finite integer sets.
Definition: var-imp.hpp:137