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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 * Christian Schulte <schulte@gecode.org>
6 *
7 * Contributing authors:
8 * Gabor Szokoli <szokoli@gecode.org>
9 *
10 * Copyright:
11 * Guido Tack, 2004
12 * Christian Schulte, 2004
13 * Gabor Szokoli, 2004
14 *
15 * This file is part of Gecode, the generic constraint
16 * development environment:
17 * http://www.gecode.org
18 *
19 * Permission is hereby granted, free of charge, to any person obtaining
20 * a copy of this software and associated documentation files (the
21 * "Software"), to deal in the Software without restriction, including
22 * without limitation the rights to use, copy, modify, merge, publish,
23 * distribute, sublicense, and/or sell copies of the Software, and to
24 * permit persons to whom the Software is furnished to do so, subject to
25 * the following conditions:
26 *
27 * The above copyright notice and this permission notice shall be
28 * included in all copies or substantial portions of the Software.
29 *
30 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
31 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
32 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
33 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
34 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
35 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
36 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
37 *
38 */
39
40#ifndef GECODE_SET_CONVEX_HH
41#define GECODE_SET_CONVEX_HH
42
43#include <gecode/set.hh>
44
45namespace Gecode { namespace Set { namespace Convex {
46
47 /**
48 * \namespace Gecode::Set::Convex
49 * \brief Propagators for convexity
50 */
51
52 /**
53 * \brief %Propagator for the convex constraint
54 *
55 * Requires \code #include <gecode/set/convex.hh> \endcode
56 * \ingroup FuncSetProp
57 */
58 class Convex : public UnaryPropagator<SetView,PC_SET_ANY> {
59 protected:
60 /// Constructor for cloning \a p
61 Convex(Space& home, Convex& p);
62 /// Constructor for posting
63 Convex(Home home, SetView);
64 public:
65 /// Copy propagator during cloning
66 GECODE_SET_EXPORT virtual Actor* copy(Space& home);
67 /// Perform propagation
68 GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
69 /// Post propagator that propagates that \a x is convex
70 static ExecStatus post(Home home,SetView x);
71 };
72
73 /**
74 * \brief %Propagator for the convex hull constraint
75 *
76 * Requires \code #include <gecode/set/convex.hh> \endcode
77 * \ingroup FuncSetProp
78 */
79
80 class ConvexHull : public BinaryPropagator<SetView,PC_SET_ANY> {
81 protected:
82 /// Constructor for cloning \a p
83 ConvexHull(Space& home, ConvexHull&);
84 /// Constructor for posting
85 ConvexHull(Home home, SetView, SetView);
86 public:
87 /// Copy propagator during cloning
88 GECODE_SET_EXPORT virtual Actor* copy(Space& home);
89 /// Perform propagation
90 GECODE_SET_EXPORT virtual ExecStatus propagate(Space& home, const ModEventDelta& med);
91 /// Post propagator that propagates that \a y is the convex hull of \a x
92 static ExecStatus post(Home home,SetView x,SetView y);
93 };
94
95
96}}}
97
98#include <gecode/set/convex/conv.hpp>
99#include <gecode/set/convex/hull.hpp>
100
101#endif
102
103// STATISTICS: set-prop