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random-variable-stream-helper.cc
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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
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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 
26 NS_LOG_COMPONENT_DEFINE ("RandomVariableStreamHelper");
27 
28 namespace ns3 {
29 
30 int64_t RandomVariableStreamHelper::AssignStreams (std::string path, int64_t stream)
31 {
33  NS_ASSERT (stream >= 0);
35  int64_t i = 0;
36  for (Config::MatchContainer::Iterator mci = mc.Begin (); mci != mc.End (); ++mci, ++i)
37  {
38  PointerValue ptr = mc.Get (i);
40  NS_LOG_DEBUG ("RandomVariableStream found: " << rvs << "; setting stream to " << (stream + i));
41  rvs->SetStream (stream + i);
42  }
43  return i;
44 }
45 
46 } // namespace ns3
Ptr< T > Get(void) const
Definition: pointer.h:148
void SetStream(int64_t stream)
Specifies the stream number for this RNG stream.
#define NS_ASSERT(condition)
Definition: assert.h:64
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
Definition: log.h:309
MatchContainer::Iterator End(void) const
Definition: config.cc:57
Config::MatchContainer LookupMatches(std::string path)
Definition: config.cc:739
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...
NS_LOG_COMPONENT_DEFINE("RandomVariableStreamHelper")
hold objects of type Ptr
Definition: pointer.h:33
Ptr< Object > Get(uint32_t i) const
Definition: config.cc:69
hold a set of objects which match a specific search string.
Definition: config.h:127
The Random Number Generator (RNG) that allows stream numbers to be set deterministically.
#define NS_LOG_DEBUG(msg)
Definition: log.h:289
std::vector< Ptr< Object > >::const_iterator Iterator
Definition: config.h:130
MatchContainer::Iterator Begin(void) const
Definition: config.cc:51