G4INCL::Ranecu3 Class Reference

Extended Ranecu-type RNG class. More...

#include <G4INCLRanecu3.hh>

Inheritance diagram for G4INCL::Ranecu3:

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

Private Attributes
const G4int	a1
const G4int	a2
const G4int	a3
G4int	i1
G4int	i2
G4int	i3
G4int	iseed1
G4int	iseed2
G4int	iseed3
G4int	iz
const G4int	m1
const G4int	m2
const G4int	m3
const G4int	q1
const G4int	q2
const G4int	q3
const G4int	r1
const G4int	r2
const G4int	r3
const G4double	uscale

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

Ranecu3() [1/2]

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)
  {
  }

Ranecu3() [2/2]

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);
  }

References setSeeds().

~Ranecu3()

G4INCL::Ranecu3::~Ranecu3 ( )

virtual

Definition at line 73 of file G4INCLRanecu3.cc.

{}

Member Function Documentation

flat()

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;
  }

References a1, a2, a3, i1, i2, i3, iseed1, iseed2, iseed3, iz, m1, m2, m3, q1, q2, q3, r1, r2, r3, and uscale.

getSeeds()

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;
    }

References iseed1, iseed2, and iseed3.

setSeeds()

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];
    }

References iseed1, iseed2, and iseed3.

Referenced by Ranecu3().

Field Documentation

a1

const G4int G4INCL::Ranecu3::a1

private

Definition at line 87 of file G4INCLRanecu3.hh.

Referenced by flat().

a2

const G4int G4INCL::Ranecu3::a2

private

Definition at line 87 of file G4INCLRanecu3.hh.

Referenced by flat().

a3

const G4int G4INCL::Ranecu3::a3

private

Definition at line 87 of file G4INCLRanecu3.hh.

Referenced by flat().

i1

G4int G4INCL::Ranecu3::i1

private

Definition at line 84 of file G4INCLRanecu3.hh.

Referenced by flat().

i2

G4int G4INCL::Ranecu3::i2

private

Definition at line 84 of file G4INCLRanecu3.hh.

Referenced by flat().

i3

G4int G4INCL::Ranecu3::i3

private

Definition at line 84 of file G4INCLRanecu3.hh.

Referenced by flat().

iseed1

G4int G4INCL::Ranecu3::iseed1

private

Definition at line 83 of file G4INCLRanecu3.hh.

Referenced by flat(), getSeeds(), and setSeeds().

iseed2

G4int G4INCL::Ranecu3::iseed2

private

Definition at line 83 of file G4INCLRanecu3.hh.

Referenced by flat(), getSeeds(), and setSeeds().

iseed3

G4int G4INCL::Ranecu3::iseed3

private

Definition at line 83 of file G4INCLRanecu3.hh.

Referenced by flat(), getSeeds(), and setSeeds().

iz

G4int G4INCL::Ranecu3::iz

private

Definition at line 84 of file G4INCLRanecu3.hh.

Referenced by flat().

m1

const G4int G4INCL::Ranecu3::m1

private

Definition at line 86 of file G4INCLRanecu3.hh.

Referenced by flat().

m2

const G4int G4INCL::Ranecu3::m2

private

Definition at line 86 of file G4INCLRanecu3.hh.

Referenced by flat().

m3

const G4int G4INCL::Ranecu3::m3

private

Definition at line 86 of file G4INCLRanecu3.hh.

Referenced by flat().

q1

const G4int G4INCL::Ranecu3::q1

private

Definition at line 88 of file G4INCLRanecu3.hh.

Referenced by flat().

q2

const G4int G4INCL::Ranecu3::q2

private

Definition at line 88 of file G4INCLRanecu3.hh.

Referenced by flat().

q3

const G4int G4INCL::Ranecu3::q3

private

Definition at line 88 of file G4INCLRanecu3.hh.

Referenced by flat().

r1

const G4int G4INCL::Ranecu3::r1

private

Definition at line 89 of file G4INCLRanecu3.hh.

Referenced by flat().

r2

const G4int G4INCL::Ranecu3::r2

private

Definition at line 89 of file G4INCLRanecu3.hh.

Referenced by flat().

r3

const G4int G4INCL::Ranecu3::r3

private

Definition at line 89 of file G4INCLRanecu3.hh.

Referenced by flat().

uscale

const G4double G4INCL::Ranecu3::uscale

private

Definition at line 85 of file G4INCLRanecu3.hh.

Referenced by flat().

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

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