G4INCL::Ranecu3 Class Reference

Extended Ranecu-type RNG class. More...

#include <G4INCLRanecu3.hh>

Inheritance diagram for G4INCL::Ranecu3:

Collaboration diagram for G4INCL::Ranecu3:

Public Member Functions
	Ranecu3 ()
	Ranecu3 (const Random::SeedVector &sv)
virtual	~Ranecu3 ()
Random::SeedVector	getSeeds ()
void	setSeeds (const Random::SeedVector &sv)
G4double	flat ()
Public Member Functions inherited from G4INCL::IRandomGenerator
	IRandomGenerator ()
virtual	~IRandomGenerator ()

Detailed Description

Extended Ranecu-type RNG class.

This generator implements the C++ version of the generator suggested by Badal and Sempau, Comp. Phys. Comm. 175 (2006) 440. It uses three 32-bit seeds and has a period of ~5E27.

Definition at line 59 of file G4INCLRanecu3.hh.

Constructor & Destructor Documentation

G4INCL::Ranecu3::Ranecu3

(

)

Definition at line 49 of file G4INCLRanecu3.cc.

                   :
    iseed1(666),
    iseed2(777),
    iseed3(1234),
    i1(0), i2(0), i3(0), iz(0),
    uscale(1.0/2.147483563e9),
    m1(2147483563), m2(2147483399), m3(2147482739),
    a1(40014), a2(40692), a3(45742),
    q1(m1/a1), q2(m2/a2), q3(m3/a3),
    r1(m1%a1), r2(m2%a2), r3(m3%a3)
  {
  }

G4INCL::Ranecu3::Ranecu3

(

const Random::SeedVector &

sv

)

Definition at line 62 of file G4INCLRanecu3.cc.

                                             :
    i1(0), i2(0), i3(0), iz(0),
    uscale(1.0/2.147483563e9),
    m1(2147483563), m2(2147483399), m3(2147482739),
    a1(53668), a2(52774), a3(46947),
    q1(m1/a1), q2(m2/a2), q3(m3/a3),
    r1(m1%a1), r2(m2%a2), r3(m3%a3)
  {
    setSeeds(sv);
  }

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G4INCL::Ranecu3::~Ranecu3 ( )

virtual

Definition at line 73 of file G4INCLRanecu3.cc.

{}

Member Function Documentation

G4double G4INCL::Ranecu3::flat ( )

virtual

Implements G4INCL::IRandomGenerator.

Definition at line 75 of file G4INCLRanecu3.cc.

  {
    i1=iseed1/q1;
    iseed1=a1*(iseed1-i1*q1)-i1*r1;
    if(iseed1 < 0) iseed1 = iseed1 + m1;

    i2=iseed2/q2;
    iseed2=a2*(iseed2-i2*q2)-i2*r2;
    if(iseed2 < 0) iseed2 = iseed2 + m2;

    i3=iseed3/q3;
    iseed3=a3*(iseed3-i3*q3)-i3*r3;
    if(iseed3 < 0) iseed3 = iseed3 + m3;

    iz = iseed1 - iseed2 + iseed3;
    if(iz < 1) iz = iz + 2147483562;

    return iz*uscale;
  }

Random::SeedVector G4INCL::Ranecu3::getSeeds ( )

inlinevirtual

Implements G4INCL::IRandomGenerator.

Definition at line 65 of file G4INCLRanecu3.hh.

                                {
      Random::SeedVector sv;
      sv.push_back(iseed1);
      sv.push_back(iseed2);
      sv.push_back(iseed3);
      return sv;
    }

void G4INCL::Ranecu3::setSeeds ( const Random::SeedVector &  sv )

inlinevirtual

Implements G4INCL::IRandomGenerator.

Definition at line 73 of file G4INCLRanecu3.hh.

                                              {
// assert(sv.size()>=3);
      iseed1 = sv[0];
      iseed2 = sv[1];
      iseed3 = sv[2];
    }

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

• geant4.10.03.p01/source/processes/hadronic/models/inclxx/utils/include/G4INCLRanecu3.hh
• geant4.10.03.p01/source/processes/hadronic/models/inclxx/utils/src/G4INCLRanecu3.cc