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int.hpp
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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, 2002
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9  * Last modified:
10  * $Date: 2010-08-31 16:19:34 +0200 (Tue, 31 Aug 2010) $ by $Author: schulte $
11  * $Revision: 11366 $
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37 
38 namespace Gecode {
39 
40  forceinline void
41  IntVar::_init(Space& home, int min, int max) {
42  x = new (home) Int::IntVarImp(home,min,max);
43  }
44 
45  forceinline void
46  IntVar::_init(Space& home, const IntSet& ds) {
47  x = new (home) Int::IntVarImp(home,ds);
48  }
49 
51  IntVar::IntVar(void) {}
54  : VarImpVar<Int::IntVarImp>(y.varimp()) {}
57  : VarImpVar<Int::IntVarImp>(y.varimp()) {}
58 
59  forceinline int
60  IntVar::val(void) const {
61  if (!x->assigned())
62  throw Int::ValOfUnassignedVar("IntVar::val");
63  return x->val();
64  }
65  forceinline int
66  IntVar::min(void) const {
67  return x->min();
68  }
69  forceinline int
70  IntVar::med(void) const {
71  return x->med();
72  }
73  forceinline int
74  IntVar::max(void) const {
75  return x->max();
76  }
77 
78 
79  forceinline unsigned int
80  IntVar::width(void) const {
81  return x->width();
82  }
83  forceinline unsigned int
84  IntVar::size(void) const {
85  return x->size();
86  }
87  forceinline unsigned int
88  IntVar::regret_min(void) const {
89  return x->regret_min();
90  }
91  forceinline unsigned int
92  IntVar::regret_max(void) const {
93  return x->regret_max();
94  }
95 
96  forceinline bool
97  IntVar::range(void) const {
98  return x->range();
99  }
100  forceinline bool
101  IntVar::in(int n) const {
102  return x->in(n);
103  }
104 
105  /*
106  * Range iterator
107  *
108  */
111 
114  : Int::IntVarImpFwd(x.varimp()) {}
115 
116  forceinline void
119  }
120 
121 
122  /*
123  * Value iterator
124  *
125  */
126 
129 
132  IntVarRanges r(x);
134  }
135 
136  forceinline void
138  IntVarRanges r(x);
140  }
141 
142 }
143 
144 // STATISTICS: int-var
145 
IntVar(void)
Default constructor.
Definition: int.hpp:51
int med(void) const
Return median of domain (greatest element not greater than the median)
Definition: int.hpp:70
unsigned int size(void) const
Return size (cardinality) of domain.
Definition: int.hpp:257
Variables as interfaces to variable implementations.
Definition: var.hpp:51
int max(void) const
Return maximum of domain.
Definition: int.hpp:74
void init(I &i)
Initialize with values from range iterator i.
void max(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:57
unsigned int regret_min(void) const
Return regret of domain minimum (distance to next larger value)
Definition: int.hpp:88
Range iterator for integer variables
Definition: int.hh:452
int val(void) const
Return assigned value (only if assigned)
Definition: int.hpp:236
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
bool assigned(void) const
Test whether variable is assigned.
Definition: int.hpp:246
unsigned int regret_max(void) const
Return regret of domain maximum (distance to next smaller value)
Definition: int.hpp:92
IntVarValues(void)
Default constructor.
Definition: int.hpp:128
NNF * r
Right subtree.
Definition: bool-expr.cpp:246
bool range(void) const
Test whether domain is a range.
Definition: int.hpp:242
Int::IntVarImp * x
Pointer to variable implementation.
Definition: var.hpp:54
unsigned int size(void) const
Return size (cardinality) of domain.
Definition: int.hpp:84
Range iterator for ranges of integer variable implementation.
Definition: var-imp.hpp:387
unsigned int regret_max(void) const
Return regret of domain maximum (distance to next smaller value)
Definition: int.hpp:272
void init(const IntVar &x)
Initialize with ranges for integer variable x.
Definition: int.hpp:117
void min(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:75
Integer view for integer variables.
Definition: view.hpp:129
void init(const IntVar &x)
Initialize with values x.
Definition: int.hpp:137
Exception: Attempt to access value of unassigned variable
Definition: exception.hpp:126
Integer variable implementation.
Definition: var-imp.hpp:91
Node * x
Pointer to corresponding Boolean expression node.
Definition: bool-expr.cpp:253
int max(void) const
Return maximum of domain.
Definition: int.hpp:232
Integer variables.
Definition: int.hh:350
#define forceinline
Definition: config.hpp:132
int val(void) const
Return assigned value.
Definition: int.hpp:60
bool in(int n) const
Test whether n is contained in domain.
Definition: int.hpp:290
int med(void) const
Return median of domain (greatest element not greater than the median)
Definition: int.cpp:50
IntVarRanges(void)
Default constructor.
Definition: int.hpp:110
Gecode toplevel namespace
int min(void) const
Return minimum of domain.
Definition: int.hpp:66
bool in(int n) const
Test whether n is contained in domain.
Definition: int.hpp:101
unsigned int width(void) const
Return width of domain (distance between maximum and minimum)
Definition: int.hpp:80
void init(const IntVarImp *x)
Initialize with ranges from variable implementation x.
Definition: int.hpp:432
int min(void) const
Return minimum of domain.
Definition: int.hpp:228
VarImp * varimp(void) const
Return variable implementation of variable.
Definition: var.hpp:108
bool range(void) const
Test whether domain is a range.
Definition: int.hpp:97
unsigned int regret_min(void) const
Return regret of domain minimum (distance to next larger value)
Definition: int.hpp:262
unsigned int width(void) const
Return width of domain (distance between maximum and minimum)
Definition: int.hpp:252