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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#define GECODE_SET_ME_CHECK_VAL(p,f) { \
41 ModEvent gecode_me_ ## __LINE__ = (p); \
42 if (me_failed(gecode_me_ ## __LINE__)) return ES_FAILED; \
43 if (ME_GEN_ASSIGNED==(gecode_me_ ## __LINE__))f=true; }
44
45#define GECODE_SET_ME_CHECK_VAL_B(modified, tell, f) \
46 { \
47 ModEvent me = (tell); \
48 modified |= me_modified(me); \
49 if (ME_GEN_ASSIGNED==(me)) f=true; \
50 GECODE_ME_CHECK(me); \
51 }
52
53namespace Gecode { namespace Set { namespace Rel {
54
55 template<class VX, class VY>
56 forceinline bool
57 same(VX, VY) {
58 return false;
59 }
60
61 template<>
62 forceinline bool
63 same(SetView x, SetView y) {
64 return x == y;
65 }
66
67 forceinline bool
68 subsumesME(ModEvent me0, ModEvent me1, ModEvent me2, ModEvent me) {
69 ModEvent cme = SetVarImp::me_combine(me0,SetVarImp::me_combine(me1, me2));
70 return SetVarImp::me_combine(cme, me)==cme;
71 }
72 forceinline bool
73 subsumesME(ModEvent me0, ModEvent me1, ModEvent me) {
74 ModEvent cme = SetVarImp::me_combine(me0, me1);
75 return SetVarImp::me_combine(cme, me)==cme;
76 }
77 forceinline bool
78 subsumesME(ModEvent me0, ModEvent me) {
79 return SetVarImp::me_combine(me0, me)==me0;
80 }
81
82 forceinline bool
83 testSetEventLB(ModEvent me0, ModEvent me1, ModEvent me2) {
84 return subsumesME(me0, me1, me2, ME_SET_GLB);
85 }
86 forceinline bool
87 testSetEventUB(ModEvent me0, ModEvent me1, ModEvent me2) {
88 return subsumesME(me0, me1, me2, ME_SET_LUB);
89 }
90 forceinline bool
91 testSetEventAnyB(ModEvent me0, ModEvent me1, ModEvent me2) {
92 return ( me0!=ME_SET_CARD || me1!=ME_SET_CARD || me2!=ME_SET_CARD );
93 }
94 forceinline bool
95 testSetEventCard(ModEvent me0, ModEvent me1, ModEvent me2) {
96 return subsumesME(me0, me1, me2, ME_SET_CARD);
97 }
98 forceinline bool
99 testSetEventLB(ModEvent me0, ModEvent me1) {
100 return subsumesME(me0, me1, ME_SET_GLB);
101 }
102 forceinline bool
103 testSetEventUB(ModEvent me0, ModEvent me1) {
104 return subsumesME(me0, me1, ME_SET_LUB);
105 }
106 forceinline bool
107 testSetEventAnyB(ModEvent me0, ModEvent me1) {
108 return ( me0!=ME_SET_CARD || me1!=ME_SET_CARD );
109 }
110 forceinline bool
111 testSetEventCard(ModEvent me0, ModEvent me1) {
112 return subsumesME(me0, me1, ME_SET_CARD);
113 }
114 forceinline bool
115 testSetEventLB(ModEvent me0) {
116 return subsumesME(me0, ME_SET_GLB);
117 }
118 forceinline bool
119 testSetEventUB(ModEvent me0) {
120 return subsumesME(me0, ME_SET_LUB);
121 }
122 forceinline bool
123 testSetEventAnyB(ModEvent me0) {
124 return ( me0!=ME_SET_CARD );
125 }
126 forceinline bool
127 testSetEventCard(ModEvent me0) {
128 return subsumesME(me0, ME_SET_CARD);
129 }
130
131}}}
132
133// STATISTICS: set-prop