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float.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  * Vincent Barichard <Vincent.Barichard@univ-angers.fr>
6  *
7  * Copyright:
8  * Christian Schulte, 2002
9  * Vincent Barichard, 2012
10  *
11  * Last modified:
12  * $Date: 2012-04-06 13:04:47 +0200 (Fri, 06 Apr 2012) $ by $Author: schulte $
13  * $Revision: 12711 $
14  *
15  * This file is part of Gecode, the generic constraint
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39 
40 namespace Gecode {
41 
42  forceinline void
43  FloatVar::_init(Space& home, FloatNum min, FloatNum max) {
44  x = new (home) Float::FloatVarImp(home,FloatVal(min,max));
45  }
46 
51  : VarImpVar<Float::FloatVarImp>(y.varimp()) {}
54  : VarImpVar<Float::FloatVarImp>(y.varimp()) {}
55 
57  FloatVar::val(void) const {
58  if (!x->assigned())
59  throw Float::ValOfUnassignedVar("FloatVar::val");
60  return x->val();
61  }
63  FloatVar::min(void) const {
64  return x->min();
65  }
67  FloatVar::med(void) const {
68  return x->med();
69  }
71  FloatVar::max(void) const {
72  return x->max();
73  }
74 
76  FloatVar::domain(void) const {
77  return x->domain();
78  }
79 
81  FloatVar::size(void) const {
82  return x->size();
83  }
84 
85  forceinline bool
86  FloatVar::in(const FloatVal& n) const {
87  return x->in(n);
88  }
89 
90 }
91 
92 // STATISTICS: float-var
93 
FloatNum min(void) const
Return minimum of domain.
Definition: float.hpp:71
Variables as interfaces to variable implementations.
Definition: var.hpp:51
bool assigned(void) const
Test whether variable is assigned.
Definition: float.hpp:88
FloatNum med(void) const
Return median of domain.
Definition: float.hpp:67
void max(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:57
FloatVar(void)
Default constructor.
Definition: float.hpp:48
FloatNum size(void) const
Return size of domain (distance between maximum and minimum)
Definition: float.hpp:81
FloatNum max(void) const
Return maximum of domain.
Definition: float.hpp:71
FloatNum size(void) const
Return width of domain (distance between maximum and minimum)
Definition: float.hpp:93
FloatVal domain(void) const
Return domain.
Definition: float.hpp:76
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:238
FloatNum med(void) const
Return median of domain (closest representation)
Definition: float.hpp:83
bool in(FloatNum n) const
Test whether n is contained in domain.
Definition: float.hpp:108
Float::FloatVarImp * x
Pointer to variable implementation.
Definition: var.hpp:54
Float view for float variables.
Definition: view.hpp:56
FloatVal val(void) const
Return value of domain (only if assigned)
Definition: float.hpp:79
void min(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:75
bool in(const FloatVal &n) const
Test whether n is contained in domain.
Definition: float.hpp:86
Float value type.
Definition: float.hh:321
FloatNum min(void) const
Return minimum of domain.
Definition: float.hpp:63
FloatVal domain(void) const
Return domain.
Definition: float.hpp:67
FloatVal val(void) const
Return assigned value.
Definition: float.hpp:57
#define forceinline
Definition: config.hpp:132
Float variables.
Definition: float.hh:857
Gecode toplevel namespace
FloatNum max(void) const
Return maximum of domain.
Definition: float.hpp:75
Exception: Attempt to access value of unassigned variable
Definition: exception.hpp:113
double FloatNum
Floating point number base type.
Definition: float.hh:108