G4MPIrandomSeedGenerator Class Reference

#include <G4MPIrandomSeedGenerator.hh>

Inheritance diagram for G4MPIrandomSeedGenerator:

Collaboration diagram for G4MPIrandomSeedGenerator:

Public Member Functions
	G4MPIrandomSeedGenerator ()
	~G4MPIrandomSeedGenerator ()
Public Member Functions inherited from G4VMPIseedGenerator
	G4VMPIseedGenerator ()
virtual	~G4VMPIseedGenerator ()
void	SetMasterSeed (G4long aseed)
G4long	GetMasterSeed () const
const std::vector< G4long > &	GetSeedList () const

Protected Member Functions
G4bool	CheckDoubleCount ()
virtual void	GenerateSeeds ()

Additional Inherited Members
Protected Attributes inherited from G4VMPIseedGenerator
G4long	master_seed_
std::vector< G4long >	seed_list_

Detailed Description

Definition at line 33 of file G4MPIrandomSeedGenerator.hh.

Constructor & Destructor Documentation

G4MPIrandomSeedGenerator::G4MPIrandomSeedGenerator

(

)

Definition at line 34 of file G4MPIrandomSeedGenerator.cc.

  : G4VMPIseedGenerator()
{
  GenerateSeeds();
}

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G4MPIrandomSeedGenerator::~G4MPIrandomSeedGenerator

(

)

Definition at line 41 of file G4MPIrandomSeedGenerator.cc.

{
}

Member Function Documentation

G4bool G4MPIrandomSeedGenerator::CheckDoubleCount ( )

protected

Definition at line 46 of file G4MPIrandomSeedGenerator.cc.

{
  G4MPImanager* g4mpi = G4MPImanager::GetManager();

  G4int nsize = g4mpi-> GetSize();

  for ( G4int i = 0; i < nsize; i++ ) {
    for ( G4int j = 0; j < nsize; j++ ) {
      if( (i != j) && (seed_list_[i] == seed_list_[j]) ) {
        G4double x = G4UniformRand();
        seed_list_[j] = G4long(x*LONG_MAX);
        return false;
      }
    }
  }

  return true;
}

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void G4MPIrandomSeedGenerator::GenerateSeeds ( )

protectedvirtual

Implements G4VMPIseedGenerator.

Definition at line 66 of file G4MPIrandomSeedGenerator.cc.

{
  G4MPImanager* g4mpi = G4MPImanager::GetManager();

  G4int nsize = g4mpi-> GetSize();

  seed_list_.clear();

  for ( G4int i = 0; i < nsize; i++ ) {
    G4double x = G4UniformRand();
    G4int seed = G4long(x*LONG_MAX);
    seed_list_.push_back(seed);
  }

  while(! CheckDoubleCount()) {
    continue;
  }
}

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

• source/geant4.10.03.p02/examples/extended/parallel/MPI/source/include/G4MPIrandomSeedGenerator.hh
• source/geant4.10.03.p02/examples/extended/parallel/MPI/source/src/G4MPIrandomSeedGenerator.cc