#include <G4INCLNDFWoodsSaxon.hh>

Inheritance diagram for G4INCL::NuclearDensityFunctions::WoodsSaxon:

Public Types
typedef G4double(*const	ManipulatorFunc) (const G4double)
	Typedef to simplify the syntax of inverseCDFTable. More...

Public Member Functions
G4double	getDiffusenessParameter ()

G4double	getRadiusParameter ()

virtual G4double	getXMaximum () const
	Return the maximum allowed value of the independent variable. More...

virtual G4double	getXMinimum () const
	Return the minimum allowed value of the independent variable. More...

virtual G4double	integrate (const G4double x0, const G4double x1, const G4double step=-1.) const
	Integrate the function between two values. More...

InterpolationTable *	inverseCDFTable (ManipulatorFunc fWrap=0, const G4int nNodes=60) const
	Return a pointer to the inverse of the CDF of this function. More...

G4double	operator() (const G4double r) const
	Compute the value of the function. More...

IFunction1D *	primitive () const
	Return a pointer to the (numerical) primitive to this function. More...

void	setDiffusenessParameter (G4double a)

void	setRadiusParameter (G4double r)

	WoodsSaxon (G4double radiusParameter, G4double maximumRadius, G4double diffusenessParameter)

Protected Attributes
G4double	theDiffusenessParameter

G4double	theRadiusParameter

G4double	xMax
	Maximum value of the independent variable. More...

G4double	xMin
	Minimum value of the independent variable. More...

Static Private Attributes
static const G4double	integrationCoefficients []
	Coefficients for numerical integration. More...

Detailed Description

Definition at line 80 of file G4INCLNDFWoodsSaxon.hh.

Member Typedef Documentation

◆ ManipulatorFunc

typedef G4double(*const G4INCL::IFunction1D::ManipulatorFunc) (const G4double)

inherited

Typedef to simplify the syntax of inverseCDFTable.

Definition at line 93 of file G4INCLIFunction1D.hh.

Constructor & Destructor Documentation

◆ WoodsSaxon()

G4INCL::NuclearDensityFunctions::WoodsSaxon::WoodsSaxon	(	G4double	radiusParameter,
		G4double	maximumRadius,
		G4double	diffusenessParameter
	)

inline

Definition at line 82 of file G4INCLNDFWoodsSaxon.hh.

                                                                                                    :
          IFunction1D(0., maximumRadius),
          theRadiusParameter(radiusParameter),
          theDiffusenessParameter(diffusenessParameter)
      {}

Member Function Documentation

◆ getDiffusenessParameter()

G4double G4INCL::NuclearDensityFunctions::WoodsSaxon::getDiffusenessParameter ( )

inline

Definition at line 93 of file G4INCLNDFWoodsSaxon.hh.

93{ return theDiffusenessParameter; };

References theDiffusenessParameter.

◆ getRadiusParameter()

G4double G4INCL::NuclearDensityFunctions::WoodsSaxon::getRadiusParameter ( )

inline

Definition at line 92 of file G4INCLNDFWoodsSaxon.hh.

92{ return theRadiusParameter; };

References theRadiusParameter.

◆ getXMaximum()

virtual G4double G4INCL::IFunction1D::getXMaximum ( ) const

inlinevirtualinherited

Return the maximum allowed value of the independent variable.

Definition at line 75 of file G4INCLIFunction1D.hh.

75{ return xMax; }

G4INCL::IFunction1D::xMax

G4double xMax

Maximum value of the independent variable.

Definition: G4INCLIFunction1D.hh:106

References G4INCL::IFunction1D::xMax.

Referenced by G4INCL::IFunction1D::inverseCDFTable(), G4INCL::InvFInterpolationTable::InvFInterpolationTable(), and G4INCL::IFunction1D::primitive().

◆ getXMinimum()

virtual G4double G4INCL::IFunction1D::getXMinimum ( ) const

inlinevirtualinherited

Return the minimum allowed value of the independent variable.

Definition at line 72 of file G4INCLIFunction1D.hh.

72{ return xMin; }

G4INCL::IFunction1D::xMin

G4double xMin

Minimum value of the independent variable.

Definition: G4INCLIFunction1D.hh:104

References G4INCL::IFunction1D::xMin.

Referenced by G4INCL::IFunction1D::inverseCDFTable(), G4INCL::InvFInterpolationTable::InvFInterpolationTable(), and G4INCL::IFunction1D::primitive().

◆ integrate()

G4double G4INCL::IFunction1D::integrate	(	const G4double	x0,
		const G4double	x1,
		const G4double	step = `-1.`
	)		const

virtualinherited

Integrate the function between two values.

Parameters

x0	lower integration bound
x1	upper integration bound
step	largest integration step size; if <0, 45 steps will be used

Returns: $\int_{x_0}^{x_1} f(x) dx$

Definition at line 66 of file G4INCLIFunction1D.cc.

                                                                                                 {
    G4double xi = std::max(x0, xMin);
    G4double xa = std::min(x1, xMax);
    G4double sign;
 
    if(x1 <= x0) {
      sign = -1.0;
      std::swap(xi, xa);
    } else
      sign = 1.0;
 
    const G4double interval = xa - xi;
 
    G4int nIntervals;
    if(step<0.) {
      nIntervals = 45;
    } else {
      nIntervals = G4int(interval/step);
 
      // Round up nIntervals to the closest multiple of 9
      G4int remainder = nIntervals % 9;
      if (remainder != 0)
        nIntervals += 9 - remainder;
 
      nIntervals = std::max(nIntervals, 9);
    }
 
    const G4double dx = interval/nIntervals;
    G4double result = (operator()(xi) + operator()(xa)) * integrationCoefficients[0]/2;
    for(G4int j = 1; j<nIntervals; ++j) {
      const G4double x = xi + interval*G4double(j)/G4double(nIntervals);
      const unsigned index = j%9;
      result += operator()(x) * integrationCoefficients[index];
    }
 
    return result*dx*sign;
 
  }

References G4INCL::IFunction1D::integrationCoefficients, G4INCL::Math::max(), G4INCL::Math::min(), G4INCL::IFunction1D::operator()(), G4INCL::Math::sign(), G4INCL::IFunction1D::xMax, and G4INCL::IFunction1D::xMin.

◆ inverseCDFTable()

InterpolationTable * G4INCL::IFunction1D::inverseCDFTable	(	IFunction1D::ManipulatorFunc	fWrap = `0`,
		const G4int	nNodes = `60`
	)		const

inherited

Return a pointer to the inverse of the CDF of this function.

The function parameter fWrap is wrapped around the return value of operator(). If fWrap=NULL (default), fWrap=identity.

Definition at line 123 of file G4INCLIFunction1D.cc.

                                                                                                             {
    class InverseCDF : public IFunction1D {
      public:
        InverseCDF(IFunction1D const * const f, ManipulatorFunc fw) :
          IFunction1D(f->getXMinimum(), f->getXMaximum()),
          theFunction(f),
          normalisation(1./theFunction->integrate(xMin,xMax)),
          fWrap(fw)
      {}
 
        G4double operator()(const G4double x) const {
          if(fWrap)
            return fWrap(std::min(1., normalisation * theFunction->integrate(xMin,x)));
          else
            return std::min(1., normalisation * theFunction->integrate(xMin,x));
        }
      private:
        IFunction1D const * const theFunction;
        const G4double normalisation;
        ManipulatorFunc fWrap;
    } *theInverseCDF = new InverseCDF(this, fWrap);
 
    InterpolationTable *theTable = new InvFInterpolationTable(*theInverseCDF, nNodes);
    delete theInverseCDF;
    return theTable;
  }

References G4INCL::IFunction1D::getXMaximum(), G4INCL::IFunction1D::getXMinimum(), G4INCL::IFunction1D::IFunction1D(), G4INCL::Math::min(), G4INCL::IFunction1D::operator()(), G4INCL::IFunction1D::xMax, and G4INCL::IFunction1D::xMin.

Referenced by G4INCL::NuclearDensityFactory::createPCDFTable(), G4INCL::NuclearDensityFactory::createRCDFTable(), and G4INCL::NuclearDensityFactory::createRPCorrelationTable().

◆ operator()()

G4double G4INCL::NuclearDensityFunctions::WoodsSaxon::operator() ( const G4double x ) const

inlinevirtual

Compute the value of the function.

Implements G4INCL::IFunction1D.

Definition at line 88 of file G4INCLNDFWoodsSaxon.hh.

                                                           {
          return r * r / (1.0 + std::exp((r - theRadiusParameter)/theDiffusenessParameter));
        }

References theDiffusenessParameter, and theRadiusParameter.

◆ primitive()

IFunction1D * G4INCL::IFunction1D::primitive ( ) const

inherited

Return a pointer to the (numerical) primitive to this function.

Definition at line 105 of file G4INCLIFunction1D.cc.

                                            {
    class Primitive : public IFunction1D {
      public:
        Primitive(IFunction1D const * const f) :
          IFunction1D(f->getXMinimum(), f->getXMaximum()),
          theFunction(f)
      {}
 
        G4double operator()(const G4double x) const {
          return theFunction->integrate(xMin,x);
        }
      private:
        IFunction1D const * const theFunction;
    } *thePrimitive = new Primitive(this);
 
    return thePrimitive;
  }

References G4INCL::IFunction1D::getXMaximum(), G4INCL::IFunction1D::getXMinimum(), G4INCL::IFunction1D::IFunction1D(), G4INCL::IFunction1D::operator()(), Primitive, and G4INCL::IFunction1D::xMin.

◆ setDiffusenessParameter()

void G4INCL::NuclearDensityFunctions::WoodsSaxon::setDiffusenessParameter ( G4double a )

inline

Definition at line 96 of file G4INCLNDFWoodsSaxon.hh.

96{ theDiffusenessParameter = a; };

References theDiffusenessParameter.

◆ setRadiusParameter()

void G4INCL::NuclearDensityFunctions::WoodsSaxon::setRadiusParameter ( G4double r )

inline

Definition at line 95 of file G4INCLNDFWoodsSaxon.hh.

95{ theRadiusParameter = r; };

References theRadiusParameter.

Field Documentation

◆ integrationCoefficients

const G4double G4INCL::IFunction1D::integrationCoefficients

staticprivateinherited

Initial value:

= {
*95.0/288.0,
0/240.0,
0/30.0,
0/720.0,
0/160.0,
0/160.0,
0/720.0,
0/30.0,
0/240.0,
  }

Coefficients for numerical integration.

Definition at line 110 of file G4INCLIFunction1D.hh.

Referenced by G4INCL::IFunction1D::integrate().

◆ theDiffusenessParameter

G4double G4INCL::NuclearDensityFunctions::WoodsSaxon::theDiffusenessParameter

protected

Definition at line 99 of file G4INCLNDFWoodsSaxon.hh.

Referenced by getDiffusenessParameter(), operator()(), and setDiffusenessParameter().

◆ theRadiusParameter

G4double G4INCL::NuclearDensityFunctions::WoodsSaxon::theRadiusParameter

protected

Definition at line 99 of file G4INCLNDFWoodsSaxon.hh.

Referenced by getRadiusParameter(), operator()(), and setRadiusParameter().

◆ xMax

G4double G4INCL::IFunction1D::xMax

protectedinherited

Maximum value of the independent variable.

Definition at line 106 of file G4INCLIFunction1D.hh.

Referenced by G4INCL::IFunction1D::getXMaximum(), G4INCL::IFunction1D::integrate(), and G4INCL::IFunction1D::inverseCDFTable().

◆ xMin

G4double G4INCL::IFunction1D::xMin

protectedinherited

Minimum value of the independent variable.

Definition at line 104 of file G4INCLIFunction1D.hh.

Referenced by G4INCL::IFunction1D::getXMinimum(), G4INCL::IFunction1D::integrate(), G4INCL::IFunction1D::inverseCDFTable(), and G4INCL::IFunction1D::primitive().

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

source/processes/hadronic/models/inclxx/incl_physics/include/G4INCLNDFWoodsSaxon.hh

Public Types

Public Member Functions

Protected Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

◆ ManipulatorFunc

Constructor & Destructor Documentation

◆ WoodsSaxon()

Member Function Documentation

◆ getDiffusenessParameter()

◆ getRadiusParameter()

◆ getXMaximum()

◆ getXMinimum()

◆ integrate()

◆ inverseCDFTable()

◆ operator()()

◆ primitive()

◆ setDiffusenessParameter()

◆ setRadiusParameter()

Field Documentation

◆ integrationCoefficients

◆ theDiffusenessParameter

◆ theRadiusParameter

◆ xMax

◆ xMin