#include <Sherpa_i.h>

Inheritance diagram for Atlas_RNG:

Collaboration diagram for Atlas_RNG:

Public Member Functions
	Atlas_RNG (CLHEP::HepRandomEngine *)

	~Atlas_RNG ()

double	Get ()

bool	CanRestoreStatus () const

void	SaveStatus ()

void	RestoreStatus ()

Private Attributes
CLHEP::HepRandomEngine *	p_engine

std::string	m_filename

Detailed Description

Definition at line 77 of file Sherpa_i.h.

Constructor & Destructor Documentation

◆ Atlas_RNG()

Atlas_RNG::Atlas_RNG ( CLHEP::HepRandomEngine * engine )

Definition at line 379 of file Sherpa_i.cxx.

                                                  :
   External_RNG(), p_engine(engine), m_filename("Config.conf")
 {
   const int nMax = 26;
   char alphabet[nMax] = { 'a', 'b', 'c', 'd', 'e', 'f', 'g',
                           'h', 'i', 'j', 'k', 'l', 'm', 'n',
                           'o', 'p', 'q', 'r', 's', 't', 'u',
                           'v', 'w', 'x', 'y', 'z' };
                                                                                  
   struct stat info;
   if ( !stat("/dev/shm", &info)) {
     m_filename = "/dev/shm/Config.conf.";
     for (size_t i = 0; i < 6; ++i)
       m_filename += alphabet[rand() % nMax];
   }
   std::cout << "RNG state being saved to: " << m_filename << std::endl;
 }

◆ ~Atlas_RNG()

Atlas_RNG::~Atlas_RNG ( )

Definition at line 397 of file Sherpa_i.cxx.

397 { std::remove(m_filename.c_str()); }

Member Function Documentation

◆ CanRestoreStatus()

bool Atlas_RNG::CanRestoreStatus ( ) const

inline

Definition at line 85 of file Sherpa_i.h.

85 { return true; }

◆ Get()

double Atlas_RNG::Get ( )

Definition at line 399 of file Sherpa_i.cxx.

                      {
  
   return CLHEP::RandFlat::shoot(p_engine);
  
 }

◆ RestoreStatus()

void Atlas_RNG::RestoreStatus ( )

Definition at line 407 of file Sherpa_i.cxx.

407 { p_engine->restoreStatus(m_filename.c_str()); }

◆ SaveStatus()

void Atlas_RNG::SaveStatus ( )

Definition at line 405 of file Sherpa_i.cxx.

405 { p_engine->saveStatus(m_filename.c_str()); }

Member Data Documentation

◆ m_filename

std::string Atlas_RNG::m_filename

private

Definition at line 79 of file Sherpa_i.h.

◆ p_engine

CLHEP::HepRandomEngine* Atlas_RNG::p_engine