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val-sel-commit.cpp
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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
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33
34#include <gecode/set/branch.hh>
35
36namespace Gecode { namespace Set { namespace Branch {
37
38 ValSelCommitBase<SetView,int>*
39 valselcommit(Space& home, const SetValBranch& svb) {
40 switch (svb.select()) {
42 return new (home) ValSelCommit<ValSelMin,ValCommitInc>(home,svb);
44 return new (home) ValSelCommit<ValSelMin,ValCommitExc>(home,svb);
46 return new (home) ValSelCommit<ValSelMed,ValCommitInc>(home,svb);
48 return new (home) ValSelCommit<ValSelMed,ValCommitExc>(home,svb);
50 return new (home) ValSelCommit<ValSelMax,ValCommitInc>(home,svb);
52 return new (home) ValSelCommit<ValSelMax,ValCommitExc>(home,svb);
54 return new (home) ValSelCommit<ValSelRnd,ValCommitInc>(home,svb);
56 return new (home) ValSelCommit<ValSelRnd,ValCommitExc>(home,svb);
58 if (!svb.commit()) {
59 return new (home)
61 } else {
62 return new (home)
64 }
65 default:
66 throw UnknownBranching("Set::branch");
67 }
68 }
69
71 valselcommit(Space& home, const SetAssign& sa) {
72 switch (sa.select()) {
74 return new (home) ValSelCommit<ValSelMin,ValCommitInc>(home,sa);
76 return new (home) ValSelCommit<ValSelMin,ValCommitExc>(home,sa);
78 return new (home) ValSelCommit<ValSelMed,ValCommitInc>(home,sa);
80 return new (home) ValSelCommit<ValSelMed,ValCommitExc>(home,sa);
82 return new (home) ValSelCommit<ValSelMax,ValCommitInc>(home,sa);
84 return new (home) ValSelCommit<ValSelMax,ValCommitExc>(home,sa);
86 return new (home) ValSelCommit<ValSelRnd,ValCommitInc>(home,sa);
88 return new (home) ValSelCommit<ValSelRnd,ValCommitExc>(home,sa);
90 if (!sa.commit()) {
91 return new (home)
93 } else {
94 return new (home)
96 }
97 default:
98 throw UnknownBranching("Set::assign");
99 }
100 }
101
102}}}
103
104// STATISTICS: set-branch
105
Exception: Unknown value or variable selection passed as argument
Which value to select for assignment.
Definition set.hh:1517
@ SEL_MED_EXC
Exclude median element (rounding downwards)
Definition set.hh:1524
@ SEL_MIN_EXC
Exclude smallest element.
Definition set.hh:1522
@ SEL_RND_EXC
Exclude random element.
Definition set.hh:1528
@ SEL_MIN_INC
Include smallest element.
Definition set.hh:1521
@ SEL_VAL_COMMIT
Select value according to user-defined functions.
Definition set.hh:1529
@ SEL_MAX_INC
Include largest element.
Definition set.hh:1525
@ SEL_MAX_EXC
Exclude largest element.
Definition set.hh:1526
@ SEL_MED_INC
Include median element (rounding downwards)
Definition set.hh:1523
@ SEL_RND_INC
Include random element.
Definition set.hh:1527
Return selection strategy Select select(void) const
Definition assign.hpp:49
Which values to select for branching first.
Definition set.hh:1447
@ SEL_VAL_COMMIT
Select value according to user-defined functions.
Definition set.hh:1459
@ SEL_MAX_INC
Include largest element.
Definition set.hh:1455
@ SEL_MIN_EXC
Exclude smallest element.
Definition set.hh:1452
@ SEL_RND_EXC
Exclude random element.
Definition set.hh:1458
@ SEL_MIN_INC
Include smallest element.
Definition set.hh:1451
@ SEL_MAX_EXC
Exclude largest element.
Definition set.hh:1456
@ SEL_MED_EXC
Exclude median element (rounding downwards)
Definition set.hh:1454
@ SEL_RND_INC
Include random element.
Definition set.hh:1457
@ SEL_MED_INC
Include median element (rounding downwards)
Definition set.hh:1453
Return selection strategy Select select(void) const
Definition val.hpp:49
Value commit class for inclusion.
Definition branch.hh:360
Computation spaces.
Definition core.hpp:1742
BranchCommit commit(void) const
Return commit function.
Definition val.hpp:102
Class for user-defined value commit.
Base class for value selection and commit.
Class for value selection and commit.
User-defined value selection.
Definition val-sel.hpp:67
ValSelCommitBase< IntView, int > * valselcommit(Space &home, const IntValBranch &ivb)
Return value and commit for integer views.
Gecode toplevel namespace