Base class for distributions that do not have a closed integral form for the cumulative density function (CDF) for some or all effective size exponents. More...

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Public Member Functions
	unintegrable (const word &name, const unitConversion &units, const dictionary &dict, const label sampleQ, randomGenerator &&rndGen)
	Construct from a dictionary. More...

	unintegrable (const label Q, const label sampleQ, randomGenerator &&rndGen, const label n)
	Construct from components. More...

	unintegrable (const unintegrable &d, const label sampleQ)
	Construct copy. More...

virtual	~unintegrable ()
	Destructor. More...

scalar	sample () const
	Sample the distribution. More...

virtual scalar	mean () const
	Return the mean value. More...

virtual void	write (Ostream &os, const unitConversion &units) const
	Write to a stream. More...

virtual tmp< scalarField >	PDF (const scalarField &x) const
	Return the distribution probability density function. More...

virtual scalar	sample () const=0
	Sample the distribution. More...

template<class Type >
Type	sample () const
	Sample the distribution. More...

virtual tmp< scalarField >	sample (const label n) const=0
	Sample the distribution. More...

virtual tmp< scalarField >	x (const label n) const
	Return coordinates to plot across the range of the distribution. More...

Public Member Functions inherited from distribution
	TypeName ("distribution")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, distribution, dictionary,(const unitConversion &units, const dictionary &dict, const label sampleQ, randomGenerator &&rndGen),(units, dict, sampleQ, std::move(rndGen)))
	Declare runtime constructor selection table. More...

	distribution (const word &name, const unitConversion &units, const dictionary &dict, const label sampleQ, randomGenerator &&rndGen)
	Construct from dictionary. More...

	distribution (const label Q, const label sampleQ, randomGenerator &&rndGen)
	Construct from components. More...

	distribution (const distribution &d, const label sampleQ)
	Construct copy. More...

virtual autoPtr< distribution >	clone (const label sampleQ) const =0
	Construct and return a clone. More...

autoPtr< distribution >	clone () const
	Construct and return a clone. More...

virtual	~distribution ()
	Destructor. More...

template<class Type >
Type	sample () const
	Sample the distribution into components of a primitive type. More...

virtual tmp< scalarField >	sample (const label n) const =0
	Sample the distribution into a field. More...

virtual scalar	min () const =0
	Return the minimum value. More...

virtual scalar	max () const =0
	Return the maximum value. More...

virtual void	writeState (Ostream &os) const
	Write the state to a stream. More...

virtual tmp< scalarField >	x (const label n) const
	Return coordinates to plot across the range of the distribution. More...

Static Public Member Functions
static tmp< scalarField >	integrate (const scalarField &x, const scalarField &y)
	Integrate the values y with respect to the coordinates x. More...

static tmp< scalarField >	integrateX (const scalarField &x, const scalarField &y)
	Integrate the values x*y with respect to the coordinates x. More...

static scalar	sampleInterval (const Pair< scalar > &x, const Pair< scalar > &Phi, const scalar s)
	Sample an interval, given the interval's bounding x-coordinates,. More...

static scalar	sampleInterval (const Pair< scalar > &x, const Pair< scalar > &phi, const Pair< scalar > &Phi, const scalar s)
	Sample an interval, given the interval's bounding x-coordinates,. More...

static scalar	sample (const scalarField &x, const scalarField &Phi, const scalar s)
	Sample a discretised distribution, given the x-coordinates,. More...

static scalar	sample (const scalarField &x, const scalarField &phi, const scalarField &Phi, const scalar s)
	Sample a discretised distribution, given the x-coordinates, values. More...

Static Public Member Functions inherited from distribution
static autoPtr< distribution >	New (const unitConversion &units, const dictionary &dict, const label sampleQ, randomGenerator &&rndGen, const bool report=true)
	Select from dictionary and a random generator. More...

static autoPtr< distribution >	New (const unitConversion &units, const dictionary &dict, const label sampleQ, const randomGenerator::seed &s, const bool global=false, const bool report=true)
	Select from a dictionary and a random generator seed and global flag. More...

static autoPtr< distribution >	New (autoPtr< distribution > &dPtr, const label sampleQ)
	Re-select with a different sample size exponent. More...

Protected Member Functions
virtual tmp< scalarField >	phi (const label q, const scalarField &x) const =0
	Return values of the un-normalised PDF for the given size exponent. More...

virtual tmp< scalarField >	Phi (const label q, const scalarField &x) const
	Return values of the un-normalised CDF for the given size exponent. More...

virtual Pair< scalar >	Phi01 (const label q) const
	Return values of the un-normalised CDF at the minimum and maximum. More...

const Pair< scalar > &	Phi01 () const
	Access cached values of the un-normalised CDF at the minimum and. More...

Protected Member Functions inherited from distribution
virtual void	validateBounds (const dictionary &dict) const
	Validate that the bounds are monotonic. More...

virtual void	validatePositive (const dictionary &dict) const
	Validate that the lower bound is positive. More...

tmp< scalarField >	clipPDF (const scalarField &x, const tmp< scalarField > &pdf) const
	Clip the PDF values to zero outside the bounds. More...

label	q () const
	Return the effective distribution size exponent. More...

	FOR_ALL_FIELD_TYPES (VIRTUAL_SAMPLE_TYPE)

Additional Inherited Members
Protected Attributes inherited from distribution
const label	Q_
	Distribution size exponent. More...

const label	sampleQ_
	Sample size exponent. More...

randomGenerator	rndGen_
	Random number generator. More...

Detailed Description

Base class for distributions that do not have a closed integral form for the cumulative density function (CDF) for some or all effective size exponents.

Source files

See also: Foam::distribution

Definition at line 55 of file unintegrable.H.

Constructor & Destructor Documentation

◆ unintegrable() [1/3]

unintegrable	(	const word &	name,
		const unitConversion &	units,
		const dictionary &	dict,
		const label	sampleQ,
		randomGenerator &&	rndGen
	)

Construct from a dictionary.

Definition at line 305 of file unintegrable.C.

◆ unintegrable() [2/3]

unintegrable	(	const label	Q,
		const label	sampleQ,
		randomGenerator &&	rndGen,
		const label	n
	)

Construct from components.

Definition at line 319 of file unintegrable.C.

◆ unintegrable() [3/3]

unintegrable	(	const unintegrable &	d,
		const label	sampleQ
	)

Construct copy.

Definition at line 332 of file unintegrable.C.

◆ ~unintegrable()

~unintegrable ( )

virtual

Destructor.

Definition at line 345 of file unintegrable.C.

Member Function Documentation

◆ phi()

virtual tmp<scalarField> phi	(	const label	q,
		const scalarField &	x
	)		const

protectedpure virtual

Return values of the un-normalised PDF for the given size exponent.

and x-coordinates. Must be provided by derivations.

◆ Phi()

Foam::tmp< Foam::scalarField > Phi	(	const label	q,
		const scalarField &	x
	)		const

protectedvirtual

Return values of the un-normalised CDF for the given size exponent.

and x-coordinates. Can be overloaded by derivations, for example, if there is a simpler analytic solution for certain effective size exponents (probably zero).

Definition at line 253 of file unintegrable.C.

References x.

Referenced by RosinRammler::Phi().

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◆ Phi01() [1/2]

Foam::Pair< Foam::scalar > Phi01 ( const label q ) const

protectedvirtual

Return values of the un-normalised CDF at the minimum and maximum.

x-coordinates for the given size exponent. Can be overloaded by derivations, for example, if there is a simpler analytic solution for certain effective size exponents (probably zero).

Reimplemented in unintegrableForNonZeroQ.

Definition at line 263 of file unintegrable.C.

References UList< T >::first(), UList< T >::last(), and x.

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◆ Phi01() [2/2]

const Foam::Pair< Foam::scalar > & Phi01 ( ) const

protected

Access cached values of the un-normalised CDF at the minimum and.

maximum x-coordinates.

Definition at line 293 of file unintegrable.C.

Referenced by unintegrableForNonZeroQ::Phi01().

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◆ integrate()

Foam::tmp< Foam::scalarField > integrate	(	const scalarField &	x,
		const scalarField &	y
	)

static

Integrate the values y with respect to the coordinates x.

Definition at line 33 of file unintegrable.C.

References tmp< T >::ref(), x, and y.

Referenced by waveSpectrum::integralS(), tabulatedCumulative::mean(), tabulatedDensity::tabulatedDensity(), and tabulatedDensity::write().

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◆ integrateX()

Foam::tmp< Foam::scalarField > integrateX	(	const scalarField &	x,
		const scalarField &	y
	)

static

Integrate the values x*y with respect to the coordinates x.

Definition at line 53 of file unintegrable.C.

References tmp< T >::ref(), x, y, Foam::y0(), and Foam::y1().

Referenced by waveSpectrum::integralFS(), and tabulatedDensity::mean().

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◆ sampleInterval() [1/2]

Foam::scalar sampleInterval	(	const Pair< scalar > &	x,
		const Pair< scalar > &	Phi,
		const scalar	s
	)

static

Sample an interval, given the interval's bounding x-coordinates,.

values Phi (the un-normalised CDF), and a random sample. First order interpolation.

Definition at line 77 of file unintegrable.C.

References f(), s(), and x.

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◆ sampleInterval() [2/2]

Foam::scalar sampleInterval	(	const Pair< scalar > &	x,
		const Pair< scalar > &	phi,
		const Pair< scalar > &	Phi,
		const scalar	s
	)

static

Sample an interval, given the interval's bounding x-coordinates,.

values phi and Phi (the un-normalised PDF and CDF), and a random sample. Second order interpolation.

Definition at line 92 of file unintegrable.C.

References b, Foam::constant::universal::c, f(), forAll, Foam::real, quadraticEqn::roots(), s(), Roots< N >::type(), and x.

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◆ sample() [1/6]

Foam::scalar sample	(	const scalarField &	x,
		const scalarField &	Phi,
		const scalar	s
	)

static

Sample a discretised distribution, given the x-coordinates,.

values Phi (the un-normalised CDF), and a random sample. First order interpolation.

Definition at line 127 of file unintegrable.C.

References s(), and x.

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◆ sample() [2/6]

Foam::scalar sample	(	const scalarField &	x,
		const scalarField &	phi,
		const scalarField &	Phi,
		const scalar	s
	)

static

Sample a discretised distribution, given the x-coordinates, values.

phi and Phi (the un-normalised PDF and CDF), and a random sample. Second order interpolation.

Definition at line 149 of file unintegrable.C.

References s(), and x.

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◆ sample() [3/6]

Foam::scalar sample ( ) const

virtual

Sample the distribution.

Implements distribution.

Definition at line 351 of file unintegrable.C.

References s(), and x.

Referenced by waveSpectrum::fFraction(), exponential::sample(), multiNormal::sample(), normal::sample(), RosinRammler::sample(), tabulatedCumulative::sample(), and tabulatedDensity::sample().

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◆ mean()

Foam::scalar mean ( ) const

virtual

Return the mean value.

Implements distribution.

Definition at line 368 of file unintegrable.C.

References UList< T >::first(), UList< T >::last(), and x.

Referenced by normal::mean().

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◆ write()

void write	(	Ostream &	os,
		const unitConversion &	units
	)		const

virtual

Write to a stream.

Reimplemented from distribution.

Definition at line 377 of file unintegrable.C.

References n, Foam::units(), distribution::write(), and Foam::writeEntryIfDifferent().

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◆ PDF()

Foam::tmp< Foam::scalarField > PDF ( const scalarField & x ) const

virtual

Return the distribution probability density function.

Implements distribution.

Definition at line 393 of file unintegrable.C.

References x.

◆ sample() [4/6]

virtual scalar sample

Sample the distribution.

◆ sample() [5/6]

Type sample ( class Type )

Sample the distribution.

◆ sample() [6/6]

virtual tmp<scalarField> sample

Sample the distribution.

◆ x()

Foam::tmp< Foam::scalarField > x

Return coordinates to plot across the range of the distribution.

Definition at line 237 of file distribution.C.

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

src/OpenFOAM/distributions/unintegrable/unintegrable.H
src/OpenFOAM/distributions/unintegrable/unintegrable.C

Public Member Functions

Static Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ unintegrable() [1/3]

◆ unintegrable() [2/3]

◆ unintegrable() [3/3]

◆ ~unintegrable()

Member Function Documentation

◆ phi()

◆ Phi()

◆ Phi01() [1/2]

◆ Phi01() [2/2]

◆ integrate()

◆ integrateX()

◆ sampleInterval() [1/2]

◆ sampleInterval() [2/2]

◆ sample() [1/6]

◆ sample() [2/6]

◆ sample() [3/6]

◆ mean()

◆ write()

◆ PDF()

◆ sample() [4/6]

◆ sample() [5/6]

◆ sample() [6/6]

◆ x()