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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>
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7  * Copyright:
8  * Christian Schulte, 2002
9  * Vincent Barichard, 2012
10  *
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35 
36 namespace Gecode {
37 
38  forceinline void
39  FloatVar::_init(Space& home, FloatNum min, FloatNum max) {
40  x = new (home) Float::FloatVarImp(home,FloatVal(min,max));
41  }
42 
47  : VarImpVar<Float::FloatVarImp>(y.varimp()) {}
50  : VarImpVar<Float::FloatVarImp>(y.varimp()) {}
51 
53  FloatVar::val(void) const {
54  if (!x->assigned())
55  throw Float::ValOfUnassignedVar("FloatVar::val");
56  return x->val();
57  }
59  FloatVar::min(void) const {
60  return x->min();
61  }
63  FloatVar::med(void) const {
64  return x->med();
65  }
67  FloatVar::max(void) const {
68  return x->max();
69  }
70 
72  FloatVar::domain(void) const {
73  return x->domain();
74  }
75 
77  FloatVar::size(void) const {
78  return x->size();
79  }
80 
81  forceinline bool
82  FloatVar::in(const FloatVal& n) const {
83  return x->in(n);
84  }
85 
86 }
87 
88 // STATISTICS: float-var
89 
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
void max(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:49
FloatVal val(void) const
Return assigned value.
Definition: float.hpp:53
bool assigned(void) const
Test whether variable is assigned.
Definition: float.hpp:84
FloatNum max(void) const
Return maximum of domain.
Definition: float.hpp:67
FloatNum max(void) const
Return maximum of domain.
Definition: float.hpp:71
Gecode toplevel namespace
Float::FloatVarImp * x
Pointer to variable implementation.
Definition: var.hpp:50
Float view for float variables.
Definition: view.hpp:52
double FloatNum
Floating point number base type.
Definition: float.hh:106
FloatNum min(void) const
Return minimum of domain.
Definition: float.hpp:59
Exception: Attempt to access value of unassigned variable
Definition: exception.hpp:116
FloatNum size(void) const
Return size of domain (distance between maximum and minimum)
Definition: float.hpp:77
FloatNum min(void) const
Return minimum of domain.
Definition: float.hpp:67
FloatNum size(void) const
Return width of domain (distance between maximum and minimum)
Definition: float.hpp:89
FloatNum med(void) const
Return median of domain (closest representation)
Definition: float.hpp:79
FloatVal domain(void) const
Return domain.
Definition: float.hpp:72
Float value type.
Definition: float.hh:334
Float variables.
Definition: float.hh:870
FloatNum med(void) const
Return median of domain.
Definition: float.hpp:63
Variables as interfaces to variable implementations.
Definition: var.hpp:47
bool in(FloatNum n) const
Test whether n is contained in domain.
Definition: float.hpp:104
bool in(const FloatVal &n) const
Test whether n is contained in domain.
Definition: float.hpp:82
#define forceinline
Definition: config.hpp:185
void min(Home home, FloatVar x0, FloatVar x1, FloatVar x2)
Post propagator for .
Definition: arithmetic.cpp:67
FloatVal domain(void) const
Return domain.
Definition: float.hpp:63
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:234
FloatVal val(void) const
Return value of domain (only if assigned)
Definition: float.hpp:75
FloatVar(void)
Default constructor.
Definition: float.hpp:44