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 
36 namespace Gecode { namespace Float { namespace Branch {
37 
38   ViewSel<FloatView>*
viewsel(Space & home,const FloatVarBranch & fvb)39   viewsel(Space& home, const FloatVarBranch& fvb) {
40     switch (fvb.select()) {
41     case FloatVarBranch::SEL_NONE:
42       return new (home) ViewSelNone<FloatView>(home,fvb);
43     case FloatVarBranch::SEL_RND:
44       return new (home) ViewSelRnd<FloatView>(home,fvb);
45     default: break;
46     }
47     if (fvb.tbl() != nullptr) {
48       switch (fvb.select()) {
49       case FloatVarBranch::SEL_MERIT_MIN:
50         return new (home) ViewSelMinTbl<MeritFunction<FloatView>>(home,fvb);
51       case FloatVarBranch::SEL_MERIT_MAX:
52         return new (home) ViewSelMaxTbl<MeritFunction<FloatView>>(home,fvb);
53       case FloatVarBranch::SEL_MIN_MIN:
54         return new (home) ViewSelMinTbl<MeritMin>(home,fvb);
55       case FloatVarBranch::SEL_MIN_MAX:
56         return new (home) ViewSelMaxTbl<MeritMin>(home,fvb);
57       case FloatVarBranch::SEL_MAX_MIN:
58         return new (home) ViewSelMinTbl<MeritMax>(home,fvb);
59       case FloatVarBranch::SEL_MAX_MAX:
60         return new (home) ViewSelMaxTbl<MeritMax>(home,fvb);
61       case FloatVarBranch::SEL_SIZE_MIN:
62         return new (home) ViewSelMinTbl<MeritSize>(home,fvb);
63       case FloatVarBranch::SEL_SIZE_MAX:
64         return new (home) ViewSelMaxTbl<MeritSize>(home,fvb);
65       case FloatVarBranch::SEL_DEGREE_MIN:
66         return new (home) ViewSelMinTbl<MeritDegree<FloatView>>(home,fvb);
67       case FloatVarBranch::SEL_DEGREE_MAX:
68         return new (home) ViewSelMaxTbl<MeritDegree<FloatView>>(home,fvb);
69       case FloatVarBranch::SEL_AFC_MIN:
70         return new (home) ViewSelMinTbl<MeritAFC<FloatView>>(home,fvb);
71       case FloatVarBranch::SEL_AFC_MAX:
72         return new (home) ViewSelMaxTbl<MeritAFC<FloatView>>(home,fvb);
73       case FloatVarBranch::SEL_ACTION_MIN:
74         return new (home) ViewSelMinTbl<MeritAction<FloatView>>(home,fvb);
75       case FloatVarBranch::SEL_ACTION_MAX:
76         return new (home) ViewSelMaxTbl<MeritAction<FloatView>>(home,fvb);
77       case FloatVarBranch::SEL_CHB_MIN:
78         return new (home) ViewSelMinTbl<MeritCHB<FloatView>>(home,fvb);
79       case FloatVarBranch::SEL_CHB_MAX:
80         return new (home) ViewSelMaxTbl<MeritCHB<FloatView>>(home,fvb);
81       case FloatVarBranch::SEL_DEGREE_SIZE_MIN:
82         return new (home) ViewSelMinTbl<MeritDegreeSize>(home,fvb);
83       case FloatVarBranch::SEL_DEGREE_SIZE_MAX:
84         return new (home) ViewSelMaxTbl<MeritDegreeSize>(home,fvb);
85       case FloatVarBranch::SEL_AFC_SIZE_MIN:
86         return new (home) ViewSelMinTbl<MeritAFCSize>(home,fvb);
87       case FloatVarBranch::SEL_AFC_SIZE_MAX:
88         return new (home) ViewSelMaxTbl<MeritAFCSize>(home,fvb);
89       case FloatVarBranch::SEL_ACTION_SIZE_MIN:
90         return new (home) ViewSelMinTbl<MeritActionSize>(home,fvb);
91       case FloatVarBranch::SEL_ACTION_SIZE_MAX:
92         return new (home) ViewSelMaxTbl<MeritActionSize>(home,fvb);
93       case FloatVarBranch::SEL_CHB_SIZE_MIN:
94         return new (home) ViewSelMinTbl<MeritCHBSize>(home,fvb);
95       case FloatVarBranch::SEL_CHB_SIZE_MAX:
96         return new (home) ViewSelMaxTbl<MeritCHBSize>(home,fvb);
97       default:
98         throw UnknownBranching("Float::branch");
99       }
100     } else {
101       switch (fvb.select()) {
102       case FloatVarBranch::SEL_MERIT_MIN:
103         return new (home) ViewSelMin<MeritFunction<FloatView>>(home,fvb);
104       case FloatVarBranch::SEL_MERIT_MAX:
105         return new (home) ViewSelMax<MeritFunction<FloatView>>(home,fvb);
106       case FloatVarBranch::SEL_MIN_MIN:
107         return new (home) ViewSelMin<MeritMin>(home,fvb);
108       case FloatVarBranch::SEL_MIN_MAX:
109         return new (home) ViewSelMax<MeritMin>(home,fvb);
110       case FloatVarBranch::SEL_MAX_MIN:
111         return new (home) ViewSelMin<MeritMax>(home,fvb);
112       case FloatVarBranch::SEL_MAX_MAX:
113         return new (home) ViewSelMax<MeritMax>(home,fvb);
114       case FloatVarBranch::SEL_SIZE_MIN:
115         return new (home) ViewSelMin<MeritSize>(home,fvb);
116       case FloatVarBranch::SEL_SIZE_MAX:
117         return new (home) ViewSelMax<MeritSize>(home,fvb);
118       case FloatVarBranch::SEL_DEGREE_MIN:
119         return new (home) ViewSelMin<MeritDegree<FloatView>>(home,fvb);
120       case FloatVarBranch::SEL_DEGREE_MAX:
121         return new (home) ViewSelMax<MeritDegree<FloatView>>(home,fvb);
122       case FloatVarBranch::SEL_AFC_MIN:
123         return new (home) ViewSelMin<MeritAFC<FloatView>>(home,fvb);
124       case FloatVarBranch::SEL_AFC_MAX:
125         return new (home) ViewSelMax<MeritAFC<FloatView>>(home,fvb);
126       case FloatVarBranch::SEL_ACTION_MIN:
127         return new (home) ViewSelMin<MeritAction<FloatView>>(home,fvb);
128       case FloatVarBranch::SEL_ACTION_MAX:
129         return new (home) ViewSelMax<MeritAction<FloatView>>(home,fvb);
130       case FloatVarBranch::SEL_CHB_MIN:
131         return new (home) ViewSelMin<MeritCHB<FloatView>>(home,fvb);
132       case FloatVarBranch::SEL_CHB_MAX:
133         return new (home) ViewSelMax<MeritCHB<FloatView>>(home,fvb);
134       case FloatVarBranch::SEL_DEGREE_SIZE_MIN:
135         return new (home) ViewSelMin<MeritDegreeSize>(home,fvb);
136       case FloatVarBranch::SEL_DEGREE_SIZE_MAX:
137         return new (home) ViewSelMax<MeritDegreeSize>(home,fvb);
138       case FloatVarBranch::SEL_AFC_SIZE_MIN:
139         return new (home) ViewSelMin<MeritAFCSize>(home,fvb);
140       case FloatVarBranch::SEL_AFC_SIZE_MAX:
141         return new (home) ViewSelMax<MeritAFCSize>(home,fvb);
142       case FloatVarBranch::SEL_ACTION_SIZE_MIN:
143         return new (home) ViewSelMin<MeritActionSize>(home,fvb);
144       case FloatVarBranch::SEL_ACTION_SIZE_MAX:
145         return new (home) ViewSelMax<MeritActionSize>(home,fvb);
146       case FloatVarBranch::SEL_CHB_SIZE_MIN:
147         return new (home) ViewSelMin<MeritCHBSize>(home,fvb);
148       case FloatVarBranch::SEL_CHB_SIZE_MAX:
149         return new (home) ViewSelMax<MeritCHBSize>(home,fvb);
150       default:
151         throw UnknownBranching("Float::branch");
152       }
153     }
154     GECODE_NEVER;
155     return nullptr;
156   }
157 
158 }}}
159 
160 
161 // STATISTICS: float-branch
162 
163