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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, 2012
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
34#include <gecode/float/branch.hh>
35
36namespace Gecode { namespace Float { namespace Branch {
37
38 ValSelCommitBase<FloatView,FloatNumBranch>*
39 valselcommit(Space& home, const FloatValBranch& fvb) {
40 switch (fvb.select()) {
41 case FloatValBranch::SEL_SPLIT_MIN:
42 return new (home) ValSelCommit<ValSelLq,ValCommitLqGq>(home,fvb);
43 case FloatValBranch::SEL_SPLIT_MAX:
44 return new (home) ValSelCommit<ValSelGq,ValCommitLqGq>(home,fvb);
45 case FloatValBranch::SEL_SPLIT_RND:
46 return new (home) ValSelCommit<ValSelRnd,ValCommitLqGq>(home,fvb);
47 case FloatValBranch::SEL_VAL_COMMIT:
48 if (!fvb.commit()) {
49 return new (home)
50 ValSelCommit<ValSelFunction<FloatView>,ValCommitLqGq>(home,fvb);
51 } else {
52 return new (home)
53 ValSelCommit<ValSelFunction<FloatView>,ValCommitFunction<FloatView> >(home,fvb);
54 }
55 default:
56 throw UnknownBranching("Float::branch");
57 }
58 }
59
60 ValSelCommitBase<FloatView,FloatNumBranch>*
61 valselcommit(Space& home, const FloatAssign& fa) {
62 switch (fa.select()) {
63 case FloatAssign::SEL_MIN:
64 return new (home) ValSelCommit<ValSelLq,ValCommitLqGq>(home,fa);
65 case FloatAssign::SEL_MAX:
66 return new (home) ValSelCommit<ValSelGq,ValCommitLqGq>(home,fa);
67 case FloatAssign::SEL_RND:
68 return new (home) ValSelCommit<ValSelRnd,ValCommitLqGq>(home,fa);
69 case FloatAssign::SEL_VAL_COMMIT:
70 if (!fa.commit()) {
71 return new (home)
72 ValSelCommit<ValSelFunction<FloatView>,ValCommitLqGq>(home,fa);
73 } else {
74 return new (home)
75 ValSelCommit<ValSelFunction<FloatView>,ValCommitFunction<FloatView> >(home,fa);
76 }
77 default:
78 throw UnknownBranching("Float::assign");
79 }
80 }
81
82}}}
83
84// STATISTICS: float-branch
85