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geant4/source/global/HEPRandom/include/G4MTRandGauss.hh
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2016-06-10 11:51:14 +02:00

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//
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//
// $Id:$
//
// Class G4MTRandGauss
//
// Modified version with MT extensions
// of corresponding CLHEP class RandGauss
// --------------------------------------------------------------------
#ifndef G4MTRandGauss_h
#define G4MTRandGauss_h 1
#include "G4MTHepRandom.hh"
class G4MTRandGauss : public G4MTHepRandom
{
public:
inline G4MTRandGauss ( CLHEP::HepRandomEngine& anEngine, G4double mean=0.0,
G4double stdDev=1.0 );
inline G4MTRandGauss ( CLHEP::HepRandomEngine* anEngine, G4double mean=0.0,
G4double stdDev=1.0 );
// These constructors should be used to instantiate a G4MTRandGauss
// distribution object defining a local engine for it.
// The static generator will be skipped using the non-static methods
// defined below.
// If the engine is passed by pointer the corresponding engine object
// will be deleted by the G4MTRandGauss destructor.
// If the engine is passed by reference the corresponding engine object
// will not be deleted by the G4MTRandGauss destructor.
virtual ~G4MTRandGauss();
// Destructor
// Static methods to shoot random values using the static generator
static G4double shoot();
static inline G4double shoot( G4double mean, G4double stdDev );
static void shootArray ( const G4int size, G4double* vect,
G4double mean=0.0, G4double stdDev=1.0 );
// Static methods to shoot random values using a given engine
// by-passing the static generator.
static G4double shoot( CLHEP::HepRandomEngine* anEngine );
static inline G4double shoot( CLHEP::HepRandomEngine* anEngine,
G4double mean, G4double stdDev );
static void shootArray ( CLHEP::HepRandomEngine* anEngine, const G4int size,
G4double* vect, G4double mean=0.0,
G4double stdDev=1.0 );
// Methods using the localEngine to shoot random values, by-passing
// the static generator.
G4double fire();
inline G4double fire( G4double mean, G4double stdDev );
void fireArray ( const G4int size, G4double* vect);
void fireArray ( const G4int size, G4double* vect,
G4double mean, G4double stdDev );
virtual G4double operator()();
virtual G4double operator()( G4double mean, G4double stdDev );
// values.
static G4bool getFlag() {return set_st;}
static void setFlag( G4bool val ) {set_st = val;}
G4bool getF() const {return set;}
void setF( G4bool val ) {set = val;}
// Methods overriding the base class static saveEngineStatus ones,
// by adding extra data so that save in one program, then further gaussians,
// will produce the identical sequence to restore in another program, then
// generating gaussian randoms there
static G4double getVal() {return nextGauss_st;}
static void setVal( G4double nextVal ) {nextGauss_st = nextVal;}
G4double normal();
G4double defaultMean;
G4double defaultStdDev;
CLHEP::HepRandomEngine* localEngine;
private:
G4bool deleteEngine, set;
G4double nextGauss;
// static data
static G4ThreadLocal G4bool set_st;
static G4ThreadLocal G4double nextGauss_st;
};
#include "G4MTRandGauss.icc"
#endif