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val-sel-commit.cpp
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37 
38 #include <gecode/float/branch.hh>
39 
40 namespace Gecode { namespace Float { namespace Branch {
41 
42  ValSelCommitBase<FloatView,FloatNumBranch>*
43  valselcommit(Space& home, const FloatValBranch& fvb) {
44  switch (fvb.select()) {
46  return new (home) ValSelCommit<ValSelLq,ValCommitLqGq>(home,fvb);
48  return new (home) ValSelCommit<ValSelGq,ValCommitLqGq>(home,fvb);
50  return new (home) ValSelCommit<ValSelRnd,ValCommitLqGq>(home,fvb);
52  if (!fvb.commit()) {
53  return new (home)
55  } else {
56  return new (home)
58  }
59  default:
60  throw UnknownBranching("Float::branch");
61  }
62  }
63 
65  valselcommit(Space& home, const FloatAssign& fa) {
66  switch (fa.select()) {
68  return new (home) ValSelCommit<ValSelLq,ValCommitLqGq>(home,fa);
70  return new (home) ValSelCommit<ValSelGq,ValCommitLqGq>(home,fa);
72  return new (home) ValSelCommit<ValSelRnd,ValCommitLqGq>(home,fa);
74  if (!fa.commit()) {
75  return new (home)
77  } else {
78  return new (home)
80  }
81  default:
82  throw UnknownBranching("Float::assign");
83  }
84  }
85 
86 }}}
87 
88 // STATISTICS: float-branch
89 
Select values greater than mean of smallest and largest value.
Definition: float.hh:1762
Which values to select for branching first.
Definition: float.hh:1757
Class for value selection and commit.
User-defined value selection.
Select select(void) const
Return selection strategy.
Definition: assign.hpp:53
Select median value of a randomly chosen part.
Definition: float.hh:1817
Value commit class for less or equal or greater or equal.
Definition: branch.hh:302
Select values randomly which are not greater or not smaller than mean of largest and smallest value...
Definition: float.hh:1763
Computation spaces.
Definition: core.hpp:1748
Base class for value selection and commit.
Exception: Unknown value or variable selection passed as argument
Definition: exception.hpp:106
Select values not greater than mean of smallest and largest value.
Definition: float.hh:1761
Select median value of the upper part.
Definition: float.hh:1816
Select select(void) const
Return selection strategy.
Definition: val.hpp:53
BranchCommit commit(void) const
Return commit function.
Definition: branch-val.hpp:106
Which values to select for assignment.
Definition: float.hh:1811
Select median value of the lower part.
Definition: float.hh:1815
Class for user-defined value commit.
Gecode toplevel namespace
ValSelCommitBase< FloatView, FloatNumBranch > * valselcommit(Space &home, const FloatValBranch &fvb)
Return value and commit for float views.
Select value according to user-defined functions.
Definition: float.hh:1764
Select value according to user-defined functions.
Definition: float.hh:1818