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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 * This file is part of Gecode, the generic constraint
12 * development environment:
13 * http://www.gecode.org
14 *
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35
36namespace Gecode { namespace Float {
37
38 /*
39 * Constructors and initialization
40 *
41 */
46 : VarImpView<FloatVar>(y.varimp()) {}
50
51 /*
52 * Value access
53 *
54 */
56 FloatView::domain(void) const {
57 return x->domain();
58 }
60 FloatView::min(void) const {
61 return x->min();
62 }
64 FloatView::max(void) const {
65 return x->max();
66 }
68 FloatView::med(void) const {
69 return x->med();
70 }
72 FloatView::val(void) const {
73 return x->val();
74 }
75
77 FloatView::size(void) const {
78 return x->size();
79 }
80
81
82 /*
83 * Domain tests
84 *
85 */
86 forceinline bool
87 FloatView::zero_in(void) const {
88 return x->zero_in();
89 }
90 forceinline bool
92 return x->in(n);
93 }
94 forceinline bool
95 FloatView::in(const FloatVal& n) const {
96 return x->in(n);
97 }
98
99
100 /*
101 * Domain update by value
102 *
103 */
105 FloatView::lq(Space& home, int n) {
106 return x->lq(home,n);
107 }
110 return x->lq(home,n);
111 }
114 return x->lq(home,n);
115 }
116
118 FloatView::gq(Space& home, int n) {
119 return x->gq(home,n);
120 }
123 return x->gq(home,n);
124 }
127 return x->gq(home,n);
128 }
129
131 FloatView::eq(Space& home, int n) {
132 return x->eq(home,n);
133 }
136 return x->eq(home,n);
137 }
139 FloatView::eq(Space& home, const FloatVal& n) {
140 return x->eq(home,n);
141 }
142
143
144
145 /*
146 * Delta information for advisors
147 *
148 */
150 FloatView::min(const Delta& d) const {
151 return FloatVarImp::min(d);
152 }
154 FloatView::max(const Delta& d) const {
155 return FloatVarImp::max(d);
156 }
157
158
163
164}}
165
166// STATISTICS: float-var
167
int n
Number of negative literals for node type.
Generic domain change information to be supplied to advisors.
Definition core.hpp:204
Float value type.
Definition float.hh:334
Float variables.
Definition float.hh:870
Float variable implementation.
Definition var-imp.hpp:76
bool zero_in(void) const
Test whether 0 is contained in domain.
Definition float.hpp:100
FloatNum min(void) const
Return minimum of domain.
Definition float.hpp:67
ModEvent eq(Space &home, FloatNum n)
Restrict domain values to be equal to n.
Definition float.hpp:185
FloatNum max(void) const
Return maximum of domain.
Definition float.hpp:71
FloatVal val(void) const
Return value of domain (only if assigned)
Definition float.hpp:75
bool in(FloatNum n) const
Test whether n is contained in domain.
Definition float.hpp:104
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
ModEvent lq(Space &home, FloatNum n)
Restrict domain values to be less or equal than n.
Definition float.hpp:159
ModEvent gq(Space &home, FloatNum n)
Restrict domain values to be greater or equal than n.
Definition float.hpp:133
FloatVal domain(void) const
Return domain.
Definition float.hpp:63
FloatVal domain(void) const
Return domain.
Definition float.hpp:56
FloatNum max(void) const
Return maximum of domain.
Definition float.hpp:64
ModEvent eq(Space &home, int n)
Restrict domain values to be equal to n.
Definition float.hpp:131
ModEvent lq(Space &home, int n)
Restrict domain values to be less or equal than n.
Definition float.hpp:105
FloatNum min(void) const
Return minimum of domain.
Definition float.hpp:60
FloatNum size(void) const
Return size of domain (distance between maximum and minimum)
Definition float.hpp:77
bool in(FloatNum n) const
Test whether n is contained in domain.
Definition float.hpp:91
FloatVal val(void) const
Return assigned value.
Definition float.hpp:72
FloatNum med(void) const
Return median of domain (closest representation)
Definition float.hpp:68
bool zero_in(void) const
Test whether 0 is contained in domain.
Definition float.hpp:87
ModEvent gq(Space &home, int n)
Restrict domain values to be greater or equal than n.
Definition float.hpp:118
FloatView(void)
Default constructor.
Definition float.hpp:43
Computation spaces.
Definition core.hpp:1742
Base-class for variable implementation views.
Definition view.hpp:133
static ModEventDelta med(ModEvent me)
Translate modification event me to modification event delta for view.
Definition view.hpp:557
static ModEvent me(const ModEventDelta &med)
Definition view.hpp:552
int ModEventDelta
Modification event deltas.
Definition core.hpp:89
double FloatNum
Floating point number base type.
Definition float.hh:106
Gecode toplevel namespace
Post propagator for SetVar SetOpType SetVar y
Definition set.hh:767
int ModEvent
Type for modification events.
Definition core.hpp:62
#define forceinline
Definition config.hpp:187