CLHEP::StaticRandomStates Class Reference

#include <StaticRandomStates.h>

Static Public Member Functions
static std::ostream &	save (std::ostream &os)
static std::istream &	restore (std::istream &is)

Detailed Description

Author

mf@fn.nosp@m.al.g.nosp@m.ov

Definition at line 27 of file StaticRandomStates.h.

Member Function Documentation

std::istream & CLHEP::StaticRandomStates::restore ( std::istream &  is )

static

Definition at line 51 of file StaticRandomStates.cc.

References CLHEP::HepRandom::getTheEngine(), CLHEP::HepRandomEngine::name(), CLHEP::HepRandomEngine::newEngine(), CLHEP::RandGauss::restoreDistState(), CLHEP::RandFlat::restoreDistState(), and CLHEP::HepRandom::setTheEngine().

Referenced by CLHEP::HepRandom::restoreStaticRandomStates().

                                                        {
  HepRandomEngine * e = HepRandom::getTheEngine();
  HepRandomEngine *ne = HepRandomEngine::newEngine(is);
  if ( !is ) return is;
  if ( !ne ) return is;
  if (ne->name() == e->name()) {
    // Because e has const data members, cannot simply do *e = *ne
    std::ostringstream os;
    os << *ne;
    std::istringstream istst(os.str());
    istst >> *e;
    if (!istst) {
      std::cerr << "???? Unexpected behavior in StaticRandomStates::restore:\n"
        << "The new engine, which had been input successfully from istream\n"
    << "has encountered a problem when used to set state of theEngine\n";
      is.clear(std::ios::badbit | is.rdstate());
      return is;
    }
  } else {
    HepRandom::setTheEngine(ne);
  }
  RandGauss::restoreDistState(is);
  RandFlat::restoreDistState(is);
  return is;
}

std::ostream & CLHEP::StaticRandomStates::save ( std::ostream &  os )

static

Definition at line 37 of file StaticRandomStates.cc.

References CLHEP::RandFlat::saveDistState(), and CLHEP::RandGauss::saveFullState().

Referenced by CLHEP::HepRandom::saveStaticRandomStates().

                                                    {
  RandGauss::saveFullState(os);
  RandFlat::saveDistState(os);
  return os;
}

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The documentation for this class was generated from the following files:

• StaticRandomStates.h
• StaticRandomStates.cc