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val-sel-commit.cpp
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4  * Christian Schulte <schulte@gecode.org>
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7  * Christian Schulte, 2012
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33 
34 #include <gecode/int/branch.hh>
35 
36 namespace Gecode { namespace Int { namespace Branch {
37 
38  ValSelCommitBase<IntView,int>*
39  valselcommit(Space& home, const IntValBranch& ivb) {
40  assert((ivb.select() != IntValBranch::SEL_VALUES_MIN) &&
42  switch (ivb.select()) {
44  return new (home)
47  return new (home)
50  return new (home)
53  return new (home)
56  return new (home)
59  return new (home)
62  return new (home)
65  return new (home)
68  if (!ivb.commit()) {
69  return new (home)
71  } else {
72  return new (home)
74  }
75  default:
76  throw UnknownBranching("Int::branch");
77  }
78  }
79 
81  valselcommit(Space& home, const IntAssign& ia) {
82  switch (ia.select()) {
83  case IntAssign::SEL_MIN:
84  return new (home)
86  case IntAssign::SEL_MED:
87  return new (home)
89  case IntAssign::SEL_MAX:
90  return new (home)
92  case IntAssign::SEL_RND:
93  return new (home)
96  if (!ia.commit()) {
97  return new (home)
99  } else {
100  return new (home)
102  }
103  default:
104  throw UnknownBranching("Int::assign");
105  }
106  }
107 
109  valselcommit(Space& home, const BoolValBranch& bvb) {
110  switch (bvb.select()) {
112  return new (home)
115  return new (home)
118  return new (home)
121  if (!bvb.commit()) {
122  return new (home)
124  } else {
125  return new (home)
127  }
128  default:
129  throw UnknownBranching("Int::branch");
130  }
131  }
132 
134  valselcommit(Space& home, const BoolAssign& ba) {
135  switch (ba.select()) {
136  case BoolAssign::SEL_MIN:
137  return new (home)
139  case BoolAssign::SEL_MAX:
140  return new (home)
142  case BoolAssign::SEL_RND:
143  return new (home)
146  if (!ba.commit()) {
147  return new (home)
149  } else {
150  return new (home)
152  }
153  default:
154  throw UnknownBranching("Int::assign");
155  }
156  }
157 
158 }}}
159 
160 
161 // STATISTICS: int-branch
162 
Select select(void) const
Return selection strategy.
Definition: assign.hpp:94
Select value according to user-defined functions.
Definition: int.hh:4689
Class for value selection and commit.
User-defined value selection.
Definition: val-sel.hpp:65
Select random value.
Definition: int.hh:4688
Which values to select for branching first.
Definition: int.hh:4682
Select smallest value.
Definition: int.hh:4686
Which values to select for branching first.
Definition: int.hh:4647
Select smallest value.
Definition: int.hh:4651
Which values to select for assignment.
Definition: int.hh:4793
Select the smallest range of the variable domain if it has several ranges, otherwise select values no...
Definition: int.hh:4657
Select largest value.
Definition: int.hh:4798
Value commit class for less or equal.
Definition: branch.hh:525
Computation spaces.
Definition: core.hpp:1701
Base class for value selection and commit.
Select smallest value.
Definition: int.hh:4768
Value commit class for greater.
Definition: branch.hh:571
Value selection class for mimimum of view.
Definition: branch.hh:277
Value selection class for average of view.
Definition: branch.hh:331
Value selection class for random value of view.
Definition: branch.hh:349
Exception: Unknown value or variable selection passed as argument
Definition: exception.hpp:108
Value selection class for minimum range of integer view.
Definition: branch.hh:373
Select random value.
Definition: int.hh:4771
Select all values starting from largest.
Definition: int.hh:4661
Select greatest value not greater than the median.
Definition: int.hh:4652
Select random value.
Definition: int.hh:4799
Select select(void) const
Return selection strategy.
Definition: val.hpp:49
Value selection class for maximum of view.
Definition: branch.hh:295
Select smallest value.
Definition: int.hh:4797
Value commit class for greater or equal.
Definition: branch.hh:548
ValSelCommitBase< IntView, int > * valselcommit(Space &home, const IntValBranch &ivb)
Return value and commit for integer views.
Select value according to user-defined functions.
Definition: int.hh:4772
Select values greater than mean of smallest and largest value.
Definition: int.hh:4656
Value commit class for equality.
Definition: branch.hh:502
IntPropLevel ba(IntPropLevel ipl)
Extract basic or advanced from propagation level.
Definition: ipl.hpp:43
Select the largest range of the variable domain if it has several ranges, otherwise select values gre...
Definition: int.hh:4658
Select values not greater than mean of smallest and largest value.
Definition: int.hh:4655
Value selection class for median of view.
Definition: branch.hh:313
Select random value.
Definition: int.hh:4654
Which values to select for assignment.
Definition: int.hh:4764
Select value according to user-defined functions.
Definition: int.hh:4800
BranchCommit commit(void) const
Return commit function.
Definition: val.hpp:102
Select greatest value not greater than the median.
Definition: int.hh:4769
Select select(void) const
Return selection strategy.
Definition: assign.hpp:49
Class for user-defined value commit.
Definition: val-commit.hpp:65
Gecode toplevel namespace
Select largest value.
Definition: int.hh:4653
Value selection class for maximum range of integer view.
Definition: branch.hh:389
Select value according to user-defined functions.
Definition: int.hh:4659
Select largest value.
Definition: int.hh:4687
Select largest value.
Definition: int.hh:4770
Select select(void) const
Return selection strategy.
Definition: val.hpp:124
Select all values starting from smallest.
Definition: int.hh:4660