A Discrete-Event Network Simulator
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random-variable-stream-helper.cc
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2012 University of Washington
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "ns3/random-variable-stream.h"
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#include "ns3/config.h"
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#include "ns3/pointer.h"
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#include "ns3/log.h"
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#include "ns3/assert.h"
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#include "
random-variable-stream-helper.h
"
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NS_LOG_COMPONENT_DEFINE
(
"RandomVariableStreamHelper"
);
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namespace
ns3 {
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int64_t
RandomVariableStreamHelper::AssignStreams
(std::string path, int64_t stream)
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{
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NS_LOG_FUNCTION_NOARGS
();
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NS_ASSERT
(stream >= 0);
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Config::MatchContainer
mc =
Config::LookupMatches
(path);
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int64_t i = 0;
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for
(
Config::MatchContainer::Iterator
mci = mc.
Begin
(); mci != mc.
End
(); ++mci, ++i)
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{
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PointerValue
ptr = mc.
Get
(i);
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Ptr<RandomVariableStream>
rvs = ptr.
Get
<
RandomVariableStream
> ();
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NS_LOG_DEBUG
(
"RandomVariableStream found: "
<< rvs <<
"; setting stream to "
<< (stream + i));
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rvs->
SetStream
(stream + i);
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}
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return
i;
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}
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}
// namespace ns3
ns3::PointerValue::Get
Ptr< T > Get(void) const
Definition:
pointer.h:148
ns3::Ptr< RandomVariableStream >
ns3::RandomVariableStream::SetStream
void SetStream(int64_t stream)
Specifies the stream number for this RNG stream.
Definition:
random-variable-stream.cc:92
NS_ASSERT
#define NS_ASSERT(condition)
Definition:
assert.h:64
NS_LOG_FUNCTION_NOARGS
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
Definition:
log.h:309
ns3::Config::MatchContainer::End
MatchContainer::Iterator End(void) const
Definition:
config.cc:57
ns3::Config::LookupMatches
Config::MatchContainer LookupMatches(std::string path)
Definition:
config.cc:739
ns3::RandomVariableStreamHelper::AssignStreams
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...
Definition:
random-variable-stream-helper.cc:30
NS_LOG_COMPONENT_DEFINE
NS_LOG_COMPONENT_DEFINE("RandomVariableStreamHelper")
ns3::PointerValue
hold objects of type Ptr
Definition:
pointer.h:33
ns3::Config::MatchContainer::Get
Ptr< Object > Get(uint32_t i) const
Definition:
config.cc:69
ns3::Config::MatchContainer
hold a set of objects which match a specific search string.
Definition:
config.h:127
ns3::RandomVariableStream
The Random Number Generator (RNG) that allows stream numbers to be set deterministically.
Definition:
random-variable-stream.h:87
NS_LOG_DEBUG
#define NS_LOG_DEBUG(msg)
Definition:
log.h:289
ns3::Config::MatchContainer::Iterator
std::vector< Ptr< Object > >::const_iterator Iterator
Definition:
config.h:130
ns3::Config::MatchContainer::Begin
MatchContainer::Iterator Begin(void) const
Definition:
config.cc:51
random-variable-stream-helper.h
src
core
helper
random-variable-stream-helper.cc
Generated on Sat Apr 19 2014 14:06:51 for ns-3 by
1.8.6