/usr/include/ns3/rng-stream.h is in libns3-dev 3.13+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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//
// Copyright (C) 2001 Pierre L'Ecuyer (lecuyer@iro.umontreal.ca)
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation;
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Modified for ns-3 by: Rajib Bhattacharjea<raj.b@gatech.edu>
#ifndef RNGSTREAM_H
#define RNGSTREAM_H
#include <string>
#include <stdint.h>
namespace ns3 {
/**
* \ingroup core
* \ingroup randomvariable
*
* \brief Combined Multiple-Recursive Generator MRG32k3a
*
* This class is the combined multiple-recursive random number
* generator called MRG32k3a. The ns3::RandomVariableBase class
* holds a static instance of this class. The details of this
* class are explained in:
* http://www.iro.umontreal.ca/~lecuyer/myftp/papers/streams00.pdf
*/
class RngStream {
public: //public api
RngStream ();
RngStream (const RngStream&);
void InitializeStream (); // Separate initialization
void ResetStartStream ();
void ResetStartSubstream ();
void ResetNextSubstream ();
void ResetNthSubstream (uint32_t N);
void SetAntithetic (bool a);
void IncreasedPrecis (bool incp);
bool SetSeeds (const uint32_t seed[6]);
void AdvanceState (int32_t e, int32_t c);
void GetState (uint32_t seed[6]) const;
double RandU01 ();
int32_t RandInt (int32_t i, int32_t j);
public: //public static api
static bool SetPackageSeed (uint32_t seed);
static bool SetPackageSeed (const uint32_t seed[6]);
static void GetPackageSeed (uint32_t seed[6]);
static void SetPackageRun (uint32_t run);
static uint32_t GetPackageRun (void);
static bool CheckSeed (const uint32_t seed[6]);
static bool CheckSeed (uint32_t seed);
private: //members
double Cg[6], Bg[6], Ig[6];
bool anti, incPrec;
double U01 ();
double U01d ();
static uint32_t EnsureGlobalInitialized (void);
private: //static data
static double nextSeed[6];
};
} // namespace ns3
#endif
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