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val-sel-commit.cpp
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3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2012
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33 
34 #include <gecode/set/branch.hh>
35 
36 namespace 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 
@ SEL_MED_INC
Include median element (rounding downwards)
Definition: set.hh:1523
ValSelCommitBase< SetView, int > * valselcommit(Space &home, const SetValBranch &svb)
Return value and commit for set views.
Return selection strategy Select select(void) const
Definition: val.hpp:49
Which values to select for branching first.
Definition: set.hh:1447
@ SEL_MED_EXC
Exclude median element (rounding downwards)
Definition: set.hh:1524
@ SEL_MED_INC
Include median element (rounding downwards)
Definition: set.hh:1453
Computation spaces.
Definition: core.hpp:1742
@ SEL_RND_EXC
Exclude random element.
Definition: set.hh:1528
Which value to select for assignment.
Definition: set.hh:1517
BranchCommit commit(void) const
Return commit function.
Definition: val.hpp:102
@ SEL_MAX_INC
Include largest element.
Definition: set.hh:1455
Exception: Unknown value or variable selection passed as argument
Definition: exception.hpp:108
Return selection strategy Select select(void) const
Definition: assign.hpp:49
@ SEL_MIN_INC
Include smallest element.
Definition: set.hh:1521
Gecode toplevel namespace
User-defined value selection.
Definition: val-sel.hpp:65
@ SEL_MAX_EXC
Exclude largest element.
Definition: set.hh:1526
Class for value selection and commit.
@ SEL_MAX_EXC
Exclude largest element.
Definition: set.hh:1456
@ SEL_VAL_COMMIT
Select value according to user-defined functions.
Definition: set.hh:1529
@ SEL_MIN_EXC
Exclude smallest element.
Definition: set.hh:1522
@ SEL_MED_EXC
Exclude median element (rounding downwards)
Definition: set.hh:1454
@ SEL_RND_INC
Include random element.
Definition: set.hh:1457
@ SEL_MIN_INC
Include smallest element.
Definition: set.hh:1451
Base class for value selection and commit.
Value commit class for inclusion.
Definition: branch.hh:360
@ SEL_MAX_INC
Include largest element.
Definition: set.hh:1525
@ SEL_VAL_COMMIT
Select value according to user-defined functions.
Definition: set.hh:1459
Class for user-defined value commit.
Definition: val-commit.hpp:65
@ SEL_MIN_EXC
Exclude smallest element.
Definition: set.hh:1452
@ SEL_RND_EXC
Exclude random element.
Definition: set.hh:1458
@ SEL_RND_INC
Include random element.
Definition: set.hh:1527