Generated on Thu Jan 20 2022 00:00:00 for Gecode by doxygen 1.9.1
float.hpp
Go to the documentation of this file.
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  *
15  * Permission is hereby granted, free of charge, to any person obtaining
16  * a copy of this software and associated documentation files (the
17  * "Software"), to deal in the Software without restriction, including
18  * without limitation the rights to use, copy, modify, merge, publish,
19  * distribute, sublicense, and/or sell copies of the Software, and to
20  * permit persons to whom the Software is furnished to do so, subject to
21  * the following conditions:
22  *
23  * The above copyright notice and this permission notice shall be
24  * included in all copies or substantial portions of the Software.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
30  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
31  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
32  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33  *
34  */
35 
36 namespace Gecode { namespace Float {
37 
38  /*
39  * Constructors and initialization
40  *
41  */
46  : VarImpView<FloatVar>(y.varimp()) {}
49  : VarImpView<FloatVar>(y) {}
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 
162  }
163 
164 }}
165 
166 // STATISTICS: float-var
167 
int n
Number of negative literals for node type.
Definition: bool-expr.cpp:234
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
FloatNum min(void) const
Return minimum of domain.
Definition: float.hpp:67
FloatNum max(void) const
Return maximum of domain.
Definition: float.hpp:71
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)
Return modification event for view type in med.
Definition: view.hpp:552
VarImpType * x
Pointer to variable implementation.
Definition: view.hpp:141
int ModEvent
Type for modification events.
Definition: core.hpp:62
Post propagator for SetVar SetOpType SetVar y
Definition: set.hh:767
int ModEventDelta
Modification event deltas.
Definition: core.hpp:89
double FloatNum
Floating point number base type.
Definition: float.hh:106
Gecode::IntSet d(v, 7)
#define forceinline
Definition: config.hpp:194