A Discrete-Event Network Simulator
API
random-variable-stream-helper.cc
Go to the documentation of this file.
1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2012 University of Washington
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation;
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17  *
18  */
19 #include "ns3/random-variable-stream.h"
20 #include "ns3/config.h"
21 #include "ns3/pointer.h"
22 #include "ns3/log.h"
23 #include "ns3/assert.h"
25 
33 namespace ns3 {
34 
35 NS_LOG_COMPONENT_DEFINE ("RandomVariableStreamHelper");
36 
37 int64_t RandomVariableStreamHelper::AssignStreams (std::string path, int64_t stream)
38 {
40  NS_ASSERT (stream >= 0);
42 
43  std::size_t i = 0;
44  for ( ; i < mc.GetN (); ++i)
45  {
46  PointerValue ptr = mc.Get (i);
48  NS_LOG_DEBUG ("RandomVariableStream found: " << rvs << "; setting stream to " << (stream + i));
49  rvs->SetStream (stream + i);
50  }
51  return i;
52 }
53 
54 } // namespace ns3
hold a set of objects which match a specific search string.
Definition: config.h:193
Ptr< Object > Get(std::size_t i) const
Definition: config.cc:75
std::size_t GetN(void) const
Definition: config.cc:69
Hold objects of type Ptr<T>.
Definition: pointer.h:37
Ptr< T > Get(void) const
Definition: pointer.h:201
static int64_t AssignStreams(std::string path, int64_t stream)
This helper method can be used to configure the stream number for one or more RNG streams.
The basic uniform Random Number Generator (RNG).
void SetStream(int64_t stream)
Specifies the stream number for the RngStream.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Definition: assert.h:67
MatchContainer LookupMatches(std::string path)
Definition: config.cc:940
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
Definition: log.h:205
#define NS_LOG_DEBUG(msg)
Use NS_LOG to output a message of level LOG_DEBUG.
Definition: log.h:273
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
ns3::RandomVariableStreamHelper declaration.