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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>
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6  * Copyright:
7  * Christian Schulte, 2012
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10  * $Date: 2012-09-18 18:07:37 +0200 (Tue, 18 Sep 2012) $ by $Author: schulte $
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37 
38 #include <gecode/set/branch.hh>
39 
40 namespace Gecode { namespace Set { namespace Branch {
41 
42  ValSelCommitBase<SetView,int>*
43  valselcommit(Space& home, const SetValBranch& svb) {
44  switch (svb.select()) {
46  return new (home) ValSelCommit<ValSelMin,ValCommitInc>(home,svb);
48  return new (home) ValSelCommit<ValSelMin,ValCommitExc>(home,svb);
50  return new (home) ValSelCommit<ValSelMed,ValCommitInc>(home,svb);
52  return new (home) ValSelCommit<ValSelMed,ValCommitExc>(home,svb);
54  return new (home) ValSelCommit<ValSelMax,ValCommitInc>(home,svb);
56  return new (home) ValSelCommit<ValSelMax,ValCommitExc>(home,svb);
58  return new (home) ValSelCommit<ValSelRnd,ValCommitInc>(home,svb);
60  return new (home) ValSelCommit<ValSelRnd,ValCommitExc>(home,svb);
62  if (svb.commit() == NULL) {
63  return new (home)
65  } else {
66  return new (home)
68  }
69  default:
70  throw UnknownBranching("Set::branch");
71  }
72  }
73 
75  valselcommit(Space& home, const SetAssign& sa) {
76  switch (sa.select()) {
78  return new (home) ValSelCommit<ValSelMin,ValCommitInc>(home,sa);
80  return new (home) ValSelCommit<ValSelMin,ValCommitExc>(home,sa);
82  return new (home) ValSelCommit<ValSelMed,ValCommitInc>(home,sa);
84  return new (home) ValSelCommit<ValSelMed,ValCommitExc>(home,sa);
86  return new (home) ValSelCommit<ValSelMax,ValCommitInc>(home,sa);
88  return new (home) ValSelCommit<ValSelMax,ValCommitExc>(home,sa);
90  return new (home) ValSelCommit<ValSelRnd,ValCommitInc>(home,sa);
92  return new (home) ValSelCommit<ValSelRnd,ValCommitExc>(home,sa);
94  if (sa.commit() == NULL) {
95  return new (home)
97  } else {
98  return new (home)
100  }
101  default:
102  throw UnknownBranching("Set::assign");
103  }
104  }
105 
106 }}}
107 
108 // STATISTICS: set-branch
109 
Which values to select for branching first.
Definition: set.hh:1382
Include random element.
Definition: set.hh:1392
Class for value selection and commit.
Include largest element.
Definition: set.hh:1460
Select value according to user-defined functions.
Definition: set.hh:1394
User-defined value selection.
Include smallest element.
Definition: set.hh:1456
Include median element (rounding downwards)
Definition: set.hh:1458
Select select(void) const
Return selection strategy.
Definition: val.hpp:53
Include smallest element.
Definition: set.hh:1386
Computation spaces.
Definition: core.hpp:1362
Exclude median element (rounding downwards)
Definition: set.hh:1459
Base class for value selection and commit.
Exclude largest element.
Definition: set.hh:1461
Exclude median element (rounding downwards)
Definition: set.hh:1389
Include largest element.
Definition: set.hh:1390
Exception: Unknown value or variable selection passed as argument
Definition: exception.hpp:112
Exclude smallest element.
Definition: set.hh:1457
Exclude largest element.
Definition: set.hh:1391
ValSelCommitBase< SetView, int > * valselcommit(Space &home, const SetValBranch &svb)
Return value and commit for set views.
Exclude random element.
Definition: set.hh:1393
Include median element (rounding downwards)
Definition: set.hh:1388
Exclude smallest element.
Definition: set.hh:1387
Value commit class for inclusion.
Definition: branch.hh:341
Select value according to user-defined functions.
Definition: set.hh:1464
VoidFunction commit(void) const
Return commit function.
Definition: branch-val.hpp:94
Exclude random element.
Definition: set.hh:1463
Class for user-defined value commit.
Which value to select for assignment.
Definition: set.hh:1452
Gecode toplevel namespace
Select select(void) const
Return selection strategy.
Definition: assign.hpp:53
Include random element.
Definition: set.hh:1462