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bool.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 $
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37 
38 namespace Gecode {
39 
40  forceinline void
41  BoolVar::_init(Space& home, int min, int max) {
42  assert((min >= 0) && (max <= 1) && (min <= max));
43  if (min > 0)
44  x = &Int::BoolVarImp::s_one;
45  else if (max == 0)
46  x = &Int::BoolVarImp::s_zero;
47  else
48  x = new (home) Int::BoolVarImp(home,0,1);
49  }
50 
55  : VarImpVar<Int::BoolVarImp>(y.varimp()) {}
58  : VarImpVar<Int::BoolVarImp>(y.varimp()) {}
59 
60  forceinline int
61  BoolVar::val(void) const {
62  if (!x->assigned())
63  throw Int::ValOfUnassignedVar("BoolVar::val");
64  return x->val();
65  }
66  forceinline int
67  BoolVar::min(void) const {
68  return x->min();
69  }
70  forceinline int
71  BoolVar::med(void) const {
72  return x->med();
73  }
74  forceinline int
75  BoolVar::max(void) const {
76  return x->max();
77  }
78 
79 
80  forceinline unsigned int
81  BoolVar::width(void) const {
82  return x->width();
83  }
84  forceinline unsigned int
85  BoolVar::size(void) const {
86  return x->size();
87  }
88  forceinline unsigned int
89  BoolVar::regret_min(void) const {
90  return x->regret_min();
91  }
92  forceinline unsigned int
93  BoolVar::regret_max(void) const {
94  return x->regret_max();
95  }
96 
97  forceinline bool
98  BoolVar::range(void) const {
99  return x->range();
100  }
101  forceinline bool
102  BoolVar::in(int n) const {
103  return x->in(n);
104  }
105 
106  forceinline bool
107  BoolVar::zero(void) const {
108  return x->zero();
109  }
110  forceinline bool
111  BoolVar::one(void) const {
112  return x->one();
113  }
114  forceinline bool
115  BoolVar::none(void) const {
116  return x->none();
117  }
118 
119 }
120 
121 // STATISTICS: int-var
bool assigned(void) const
Test whether variable is assigned.
Definition: bool.hpp:89
Variables as interfaces to variable implementations.
Definition: var.hpp:51
int med(void) const
Return median of domain (greatest element not greater than the median)
Definition: bool.hpp:71
unsigned int width(void) const
Return width of domain (distance between maximum and minimum)
Definition: bool.hpp:95
unsigned int regret_max(void) const
Return regret of domain maximum (distance to next smaller value)
Definition: bool.hpp:109
unsigned int regret_min(void) const
Return regret of domain minimum (distance to next larger value)
Definition: bool.hpp:105
int med(void) const
Return median of domain (greatest element not greater than the median)
Definition: bool.hpp:74
bool zero(void) const
Test whether domain is zero.
Definition: bool.hpp:107
void max(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:57
unsigned int size(void) const
Return size (cardinality) of domain.
Definition: bool.hpp:85
int min(void) const
Return minimum of domain.
Definition: bool.hpp:66
bool zero(void) const
Test whether variable is assigned to zero.
Definition: bool.hpp:135
bool range(void) const
Test whether domain is a range.
Definition: bool.hpp:85
bool range(void) const
Test whether domain is a range.
Definition: bool.hpp:98
int val(void) const
Return assigned value.
Definition: bool.hpp:61
Boolean variable implementation.
Definition: var-imp.hpp:486
bool one(void) const
Test whether variable is assigned to one.
Definition: bool.hpp:139
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
BoolVar(void)
Default constructor.
Definition: bool.hpp:52
Int::BoolVarImp * x
Pointer to variable implementation.
Definition: var.hpp:54
bool one(void) const
Test whether domain is one.
Definition: bool.hpp:111
bool none(void) const
Test whether variable is not yet assigned.
Definition: bool.hpp:143
int max(void) const
Return maximum of domain.
Definition: bool.hpp:75
bool in(int n) const
Test whether n is contained in domain.
Definition: bool.hpp:102
bool in(int n) const
Test whether n is contained in domain.
Definition: bool.hpp:121
Boolean integer variables.
Definition: int.hh:491
void min(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:75
Exception: Attempt to access value of unassigned variable
Definition: exception.hpp:126
unsigned int regret_max(void) const
Return regret of domain maximum (distance to next smaller value)
Definition: bool.hpp:93
#define forceinline
Definition: config.hpp:132
int val(void) const
Return assigned value (only if assigned)
Definition: bool.hpp:79
unsigned int size(void) const
Return size (cardinality) of domain.
Definition: bool.hpp:100
Gecode toplevel namespace
bool none(void) const
Test whether domain is neither zero nor one.
Definition: bool.hpp:115
int max(void) const
Return maximum of domain.
Definition: bool.hpp:70
int min(void) const
Return minimum of domain.
Definition: bool.hpp:67
unsigned int width(void) const
Return width of domain (distance between maximum and minimum)
Definition: bool.hpp:81
unsigned int regret_min(void) const
Return regret of domain minimum (distance to next larger value)
Definition: bool.hpp:89
Boolean view for Boolean variables.
Definition: view.hpp:1315