/usr/include/ns3.17/ns3/rng-seed-manager.h is in libns3-dev 3.17+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | #ifndef RNG_SEED_MANAGER_H
#define RNG_SEED_MANAGER_H
#include <stdint.h>
namespace ns3 {
class RngSeedManager
{
public:
/**
* \brief set the seed
* it will duplicate the seed value 6 times
* \code
* RngSeedManger::SetSeed(15);
* UniformVariable x(2,3); //these will give the same output everytime
* ExponentialVariable y(120); //as long as the seed stays the same
* \endcode
* \param seed
*
* Note, while the underlying RNG takes six integer values as a seed;
* it is sufficient to set these all to the same integer, so we provide
* a simpler interface here that just takes one integer.
*/
static void SetSeed (uint32_t seed);
/**
* \brief Get the seed value
* \return the seed value
*
* Note: returns the first of the six seed values used in the underlying RNG
*/
static uint32_t GetSeed (void);
/**
* \brief Set the run number of simulation
*
* \code
* RngSeedManager::SetSeed(12);
* int N = atol(argv[1]); //read in run number from command line
* RngSeedManager::SetRun(N);
* UniformVariable x(0,10);
* ExponentialVariable y(2902);
* \endcode
* In this example, N could successivly be equal to 1,2,3, etc. and the user
* would continue to get independent runs out of the single simulation. For
* this simple example, the following might work:
* \code
* ./simulation 0
* ...Results for run 0:...
*
* ./simulation 1
* ...Results for run 1:...
* \endcode
*/
static void SetRun (uint64_t run);
/**
* \returns the current run number
* @sa SetRun
*/
static uint64_t GetRun (void);
static uint64_t GetNextStreamIndex(void);
};
// for compatibility
typedef RngSeedManager SeedManager;
} // namespace ns3
#endif /* RNG_SEED_MANAGER_H */
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