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 ()

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

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);
  }

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~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;
  }

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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;
    }

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];
    }

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Member Data Documentation

a1

const G4int G4INCL::Ranecu3::a1

private

Definition at line 87 of file G4INCLRanecu3.hh.

a2

const G4int G4INCL::Ranecu3::a2

private

Definition at line 87 of file G4INCLRanecu3.hh.

a3

const G4int G4INCL::Ranecu3::a3

private

Definition at line 87 of file G4INCLRanecu3.hh.

i1

G4int G4INCL::Ranecu3::i1

private

Definition at line 84 of file G4INCLRanecu3.hh.

i2

G4int G4INCL::Ranecu3::i2

private

Definition at line 84 of file G4INCLRanecu3.hh.

i3

G4int G4INCL::Ranecu3::i3

private

Definition at line 84 of file G4INCLRanecu3.hh.

iseed1

G4int G4INCL::Ranecu3::iseed1

private

Definition at line 83 of file G4INCLRanecu3.hh.

iseed2

G4int G4INCL::Ranecu3::iseed2

private

Definition at line 83 of file G4INCLRanecu3.hh.

iseed3

G4int G4INCL::Ranecu3::iseed3

private

Definition at line 83 of file G4INCLRanecu3.hh.

iz

G4int G4INCL::Ranecu3::iz

private

Definition at line 84 of file G4INCLRanecu3.hh.

m1

const G4int G4INCL::Ranecu3::m1

private

Definition at line 86 of file G4INCLRanecu3.hh.

m2

const G4int G4INCL::Ranecu3::m2

private

Definition at line 86 of file G4INCLRanecu3.hh.

m3

const G4int G4INCL::Ranecu3::m3

private

Definition at line 86 of file G4INCLRanecu3.hh.

q1

const G4int G4INCL::Ranecu3::q1

private

Definition at line 88 of file G4INCLRanecu3.hh.

q2

const G4int G4INCL::Ranecu3::q2

private

Definition at line 88 of file G4INCLRanecu3.hh.

q3

const G4int G4INCL::Ranecu3::q3

private

Definition at line 88 of file G4INCLRanecu3.hh.

r1

const G4int G4INCL::Ranecu3::r1

private

Definition at line 89 of file G4INCLRanecu3.hh.

r2

const G4int G4INCL::Ranecu3::r2

private

Definition at line 89 of file G4INCLRanecu3.hh.

r3

const G4int G4INCL::Ranecu3::r3

private

Definition at line 89 of file G4INCLRanecu3.hh.

uscale

const G4double G4INCL::Ranecu3::uscale

private

Definition at line 85 of file G4INCLRanecu3.hh.

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

• G4INCLRanecu3.hh
• G4INCLRanecu3.cc