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dekker.one
1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2009
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
13 * Permission is hereby granted, free of charge, to any person obtaining
14 * a copy of this software and associated documentation files (the
15 * "Software"), to deal in the Software without restriction, including
16 * without limitation the rights to use, copy, modify, merge, publish,
17 * distribute, sublicense, and/or sell copies of the Software, and to
18 * permit persons to whom the Software is furnished to do so, subject to
19 * the following conditions:
20 *
21 * The above copyright notice and this permission notice shall be
22 * included in all copies or substantial portions of the Software.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 *
32 */
33
34namespace Gecode { namespace Int {
35
36 /*
37 * Task mapper: map forward task to view to backward task View
38 */
39 template<class TaskView>
40 forceinline int
41 FwdToBwd<TaskView>::est(void) const {
42 return -TaskView::lct();
43 }
44 template<class TaskView>
45 forceinline int
46 FwdToBwd<TaskView>::ect(void) const {
47 return -TaskView::lst();
48 }
49 template<class TaskView>
50 forceinline int
51 FwdToBwd<TaskView>::lst(void) const {
52 return -TaskView::ect();
53 }
54 template<class TaskView>
55 forceinline int
56 FwdToBwd<TaskView>::lct(void) const {
57 return -TaskView::est();
58 }
59 template<class TaskView>
60 forceinline int
61 FwdToBwd<TaskView>::pmin(void) const {
62 return TaskView::pmin();
63 }
64 template<class TaskView>
65 forceinline int
66 FwdToBwd<TaskView>::pmax(void) const {
67 return TaskView::pmax();
68 }
69
70 template<class TaskView>
71 forceinline ModEvent
72 FwdToBwd<TaskView>::est(Space& home, int n) {
73 return TaskView::lct(home,-n);
74 }
75 template<class TaskView>
76 forceinline ModEvent
77 FwdToBwd<TaskView>::ect(Space& home, int n) {
78 return TaskView::lst(home,-n);
79 }
80 template<class TaskView>
81 forceinline ModEvent
82 FwdToBwd<TaskView>::lst(Space& home, int n) {
83 return TaskView::ect(home,-n);
84 }
85 template<class TaskView>
86 forceinline ModEvent
87 FwdToBwd<TaskView>::lct(Space& home, int n) {
88 return TaskView::est(home,-n);
89 }
90 template<class TaskView>
91 forceinline ModEvent
92 FwdToBwd<TaskView>::norun(Space& home, int e, int l) {
93 return TaskView::norun(home,-l,-e);
94 }
95
96}}
97
98// STATISTICS: int-var