A Discrete-Event Network Simulator
API
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double.cc
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1/*
2 * Copyright (c) 2008 INRIA
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation;
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
18 */
19#include "double.h"
20
21#include "log.h"
22#include "object.h"
23
24#include <sstream>
25
32namespace ns3
33{
34
36
38
40namespace internal
41{
42
53MakeDoubleChecker(double min, double max, std::string name)
54{
55 NS_LOG_FUNCTION(min << max << name);
56
57 struct Checker : public AttributeChecker
58 {
59 Checker(double minValue, double maxValue, std::string name)
60 : m_minValue(minValue),
61 m_maxValue(maxValue),
62 m_name(name)
63 {
64 }
65
66 bool Check(const AttributeValue& value) const override
67 {
68 NS_LOG_FUNCTION(&value);
69 const DoubleValue* v = dynamic_cast<const DoubleValue*>(&value);
70 if (v == nullptr)
71 {
72 return false;
73 }
74 return v->Get() >= m_minValue && v->Get() <= m_maxValue;
75 }
76
77 std::string GetValueTypeName() const override
78 {
80 return "ns3::DoubleValue";
81 }
82
83 bool HasUnderlyingTypeInformation() const override
84 {
86 return true;
87 }
88
89 std::string GetUnderlyingTypeInformation() const override
90 {
92 std::ostringstream oss;
93 oss << m_name << " " << m_minValue << ":" << m_maxValue;
94 return oss.str();
95 }
96
97 Ptr<AttributeValue> Create() const override
98 {
100 return ns3::Create<DoubleValue>();
101 }
102
103 bool Copy(const AttributeValue& source, AttributeValue& destination) const override
104 {
105 NS_LOG_FUNCTION(&source << &destination);
106 const DoubleValue* src = dynamic_cast<const DoubleValue*>(&source);
107 DoubleValue* dst = dynamic_cast<DoubleValue*>(&destination);
108 if (src == nullptr || dst == nullptr)
109 {
110 return false;
111 }
112 *dst = *src;
113 return true;
114 }
115
116 double m_minValue;
117 double m_maxValue;
118 std::string m_name;
119 }* checker = new Checker(min, max, name);
120
121 return Ptr<const AttributeChecker>(checker, false);
122}
123
124} // namespace internal
125
126} // namespace ns3
#define min(a, b)
Definition: 80211b.c:41
#define max(a, b)
Definition: 80211b.c:42
Represent the type of an attribute.
Definition: attribute.h:168
Hold a value for an Attribute.
Definition: attribute.h:70
This class can be used to hold variables of floating point type such as 'double' or 'float'.
Definition: double.h:42
double Get() const
Definition: double.cc:37
Smart pointer class similar to boost::intrusive_ptr.
Definition: ptr.h:78
ns3::DoubleValue attribute value declarations and template implementations.
Ptr< const AttributeChecker > MakeDoubleChecker()
Definition: double.h:93
#define ATTRIBUTE_VALUE_IMPLEMENT_WITH_NAME(type, name)
Define the class methods belonging to the attribute value class nameValue of the underlying class typ...
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:202
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
Ptr< T > Create(Ts &&... args)
Create class instances by constructors with varying numbers of arguments and return them by Ptr.
Definition: ptr.h:481
Debug message logging.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
Ptr< T > Copy(Ptr< T > object)
Return a deep copy of a Ptr.
Definition: ptr.h:649
ns3::Object class declaration, which is the root of the Object hierarchy and Aggregation.