#include <Spline1DHelperOld.h>

Classes
struct	DataPoint
	Helper structure for 1D spline construction. More...

Public Member Functions
	Spline1DHelperOld ()
	_____________ Constructors / destructors __________________________

	Spline1DHelperOld (const Spline1DHelperOld &)=default
	Copy constructor: disabled.

Spline1DHelperOld &	operator= (const Spline1DHelperOld &)=default
	Assignment operator: disabled.

	~Spline1DHelperOld ()=default
	Destructor.

void	bandGauss (double A[], double b[], int32_t n)
	_______________ Main functionality ________________________

void	approximateDataPoints (Spline1DContainer< DataT > &spline, double xMin, double xMax, double x[], double f[], int32_t nDataPoints)
	Create best-fit spline parameters for a given input function F.

void	approximateFunction (Spline1DContainer< DataT > &spline, double xMin, double xMax, std::function< void(double x, double f[])> F, int32_t nAuxiliaryDataPoints=4)
	Create best-fit spline parameters for a given input function F.

void	approximateFunctionGradually (Spline1DContainer< DataT > &spline, double xMin, double xMax, std::function< void(double x, double f[])> F, int32_t nAuxiliaryDataPoints=4)
	Create best-fit spline parameters gradually for a given input function F.

void	approximateFunctionClassic (Spline1DContainer< DataT > &spline, double xMin, double xMax, std::function< void(double x, double f[])> F)
	Create classic spline parameters for a given input function F.

int32_t	setSpline (const Spline1DContainer< DataT > &spline, int32_t nFdimensions, int32_t nAuxiliaryDataPoints)
	_______________ Interface for a step-wise construction of the best-fit spline ________________________

int32_t	setSpline (const Spline1DContainer< DataT > &spline, int32_t nFdimensions, double xMin, double xMax, double vx[], int32_t nDataPoints)
	precompute everything needed for the construction

void	approximateFunction (DataT *Fparameters, double xMin, double xMax, std::function< void(double x, double f[])> F) const
	approximate std::function, output in Fparameters

void	approximateFunctionGradually (DataT *Fparameters, double xMin, double xMax, std::function< void(double x, double f[])> F) const
	approximate std::function gradually, output in Fparameters

int32_t	getNumberOfDataPoints () const
	number of data points

void	approximateFunction (DataT *Fparameters, const double DataPointF[]) const
	approximate a function given as an array of values at data points

void	approximateFunctionGradually (DataT *Fparameters, const double DataPointF[]) const
	gradually approximate a function given as an array of values at data points

void	copySfromDataPoints (DataT *Fparameters, const double DataPointF[]) const
	a tool for the gradual approximation: set spline values S_i at knots == function values

void	approximateDerivatives (DataT *Fparameters, const double DataPointF[]) const

const Spline1D< double > &	getSpline () const
	_______________ Utilities ________________________

int32_t	getKnotDataPoint (int32_t iknot) const

const DataPoint &	getDataPoint (int32_t ip) const

const char *	getLastError () const
	Gives error string.

Static Public Member Functions
static void	getScoefficients (const typename Spline1D< double >::Knot &knotL, double u, double &cSl, double &cDl, double &cSr, double &cDr)

static void	getDScoefficients (const typename Spline1D< double >::Knot &knotL, double u, double &cSl, double &cDl, double &cSr, double &cDr)

static void	getDDScoefficients (const typename Spline1D< double >::Knot &knotL, double u, double &cSl, double &cDl, double &cSr, double &cDr)

static void	getDDScoefficientsLeft (const typename Spline1D< double >::Knot &knotL, double &cSl, double &cDl, double &cSr, double &cDr)

static void	getDDScoefficientsRight (const typename Spline1D< double >::Knot &knotL, double &cSl, double &cDl, double &cSr, double &cDr)

static void	getDDDScoefficients (const typename Spline1D< double >::Knot &knotL, double &cSl, double &cDl, double &cSr, double &cDr)

static int32_t	test (const bool draw=0, const bool drawDataPoints=1)
	Test the Spline1D class functionality.

Detailed Description

template<typename DataT>
class o2::gpu::Spline1DHelperOld< DataT >

The Spline1DHelperOld class is to initialize parameters for Spline1D class

Definition at line 37 of file Spline1DHelperOld.h.

Constructor & Destructor Documentation

◆ Spline1DHelperOld() [1/2]

template<typename DataT >

Spline1DHelperOld::Spline1DHelperOld ( )

_____________ Constructors / destructors __________________________

Default constructor

Definition at line 40 of file Spline1DHelperOld.cxx.

◆ Spline1DHelperOld() [2/2]

template<typename DataT >

o2::gpu::Spline1DHelperOld< DataT >::Spline1DHelperOld ( const Spline1DHelperOld< DataT > & )

default

Copy constructor: disabled.

◆ ~Spline1DHelperOld()

template<typename DataT >

o2::gpu::Spline1DHelperOld< DataT >::~Spline1DHelperOld ( )

default

Destructor.

Member Function Documentation

◆ approximateDataPoints()

template<typename DataT >

void Spline1DHelperOld::approximateDataPoints	(	Spline1DContainer< DataT > &	spline,
		double	xMin,
		double	xMax,
		double	x[],
		double	f[],
		int32_t	nDataPoints
	)

Create best-fit spline parameters for a given input function F.

Create best-fit spline parameters for a given input function F

Definition at line 257 of file Spline1DHelperOld.cxx.

◆ approximateDerivatives()

template<typename DataT >

void Spline1DHelperOld::approximateDerivatives	(	DataT *	Fparameters,
		const double	DataPointF[]
	)		const

a tool for the gradual approximation: calibrate spline derivatives D_i using already calibrated spline values S_i

a tool for the gradual approximation: calibrate spline derivatives D_i using already calibrated spline values S_i input and output output in Sparameters

Definition at line 801 of file Spline1DHelperOld.cxx.

◆ approximateFunction() [1/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunction	(	DataT *	Fparameters,
		const double	DataPointF[]
	)		const

approximate a function given as an array of values at data points

Approximate a function given as an array of values at data points

Definition at line 742 of file Spline1DHelperOld.cxx.

◆ approximateFunction() [2/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunction	(	DataT *	Fparameters,
		double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F
	)		const

approximate std::function, output in Fparameters

Create best-fit spline parameters for a given input function F output in Sparameters

Definition at line 292 of file Spline1DHelperOld.cxx.

◆ approximateFunction() [3/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunction	(	Spline1DContainer< DataT > &	spline,
		double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F,
		int32_t	nAuxiliaryDataPoints = `4`
	)

Create best-fit spline parameters for a given input function F.

Create best-fit spline parameters for a given input function F

Definition at line 270 of file Spline1DHelperOld.cxx.

◆ approximateFunctionClassic()

template<typename DataT >

void Spline1DHelperOld::approximateFunctionClassic	(	Spline1DContainer< DataT > &	spline,
		double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F
	)

Create classic spline parameters for a given input function F.

Create classic spline parameters for a given input function F set slopes at the knots such, that the second derivative of the spline is continious.

Definition at line 134 of file Spline1DHelperOld.cxx.

◆ approximateFunctionGradually() [1/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunctionGradually	(	DataT *	Fparameters,
		const double	DataPointF[]
	)		const

gradually approximate a function given as an array of values at data points

gradually approximate a function given as an array of values at data points output in Sparameters

Definition at line 777 of file Spline1DHelperOld.cxx.

◆ approximateFunctionGradually() [2/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunctionGradually	(	DataT *	Fparameters,
		double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F
	)		const

approximate std::function gradually, output in Fparameters

Create best-fit spline parameters gradually for a given input function F output in Sparameters

Definition at line 306 of file Spline1DHelperOld.cxx.

◆ approximateFunctionGradually() [3/3]

template<typename DataT >

void Spline1DHelperOld::approximateFunctionGradually	(	Spline1DContainer< DataT > &	spline,
		double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F,
		int32_t	nAuxiliaryDataPoints = `4`
	)

Create best-fit spline parameters gradually for a given input function F.

Create best-fit spline parameters gradually for a given input function F

Definition at line 281 of file Spline1DHelperOld.cxx.

◆ bandGauss()

template<typename DataT >

void o2::gpu::Spline1DHelperOld< DataT >::bandGauss	(	double	A[],
		double	b[],
		int32_t	n
	)

_______________ Main functionality ________________________

◆ copySfromDataPoints()

template<typename DataT >

void Spline1DHelperOld::copySfromDataPoints	(	DataT *	Fparameters,
		const double	DataPointF[]
	)		const

a tool for the gradual approximation: set spline values S_i at knots == function values

a tool for the gradual approximation: set spline values S_i at knots == function values output in Sparameters

Definition at line 787 of file Spline1DHelperOld.cxx.

◆ getDataPoint()

template<typename DataT >

const DataPoint & o2::gpu::Spline1DHelperOld< DataT >::getDataPoint ( int32_t ip ) const

inline

Definition at line 126 of file Spline1DHelperOld.h.

◆ getDDDScoefficients()

template<typename DataT >

void Spline1DHelperOld::getDDDScoefficients	(	const typename Spline1D< double >::Knot &	knotL,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Definition at line 123 of file Spline1DHelperOld.cxx.

◆ getDDScoefficients()

template<typename DataT >

void Spline1DHelperOld::getDDScoefficients	(	const typename Spline1D< double >::Knot &	knotL,
		double	u,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Definition at line 88 of file Spline1DHelperOld.cxx.

◆ getDDScoefficientsLeft()

template<typename DataT >

void Spline1DHelperOld::getDDScoefficientsLeft	(	const typename Spline1D< double >::Knot &	knotL,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Definition at line 101 of file Spline1DHelperOld.cxx.

◆ getDDScoefficientsRight()

template<typename DataT >

void Spline1DHelperOld::getDDScoefficientsRight	(	const typename Spline1D< double >::Knot &	knotL,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Definition at line 112 of file Spline1DHelperOld.cxx.

◆ getDScoefficients()

template<typename DataT >

void Spline1DHelperOld::getDScoefficients	(	const typename Spline1D< double >::Knot &	knotL,
		double	u,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Definition at line 72 of file Spline1DHelperOld.cxx.

◆ getKnotDataPoint()

template<typename DataT >

int32_t o2::gpu::Spline1DHelperOld< DataT >::getKnotDataPoint ( int32_t iknot ) const

inline

Definition at line 124 of file Spline1DHelperOld.h.

◆ getLastError()

template<typename DataT >

const char * o2::gpu::Spline1DHelperOld< DataT >::getLastError ( ) const

inline

Gives error string.

Definition at line 148 of file Spline1DHelperOld.h.

◆ getNumberOfDataPoints()

template<typename DataT >

int32_t o2::gpu::Spline1DHelperOld< DataT >::getNumberOfDataPoints ( ) const

inline

number of data points

Definition at line 105 of file Spline1DHelperOld.h.

◆ getScoefficients()

template<typename DataT >

void Spline1DHelperOld::getScoefficients	(	const typename Spline1D< double >::Knot &	knotL,
		double	u,
		double &	cSl,
		double &	cDl,
		double &	cSr,
		double &	cDr
	)

static

Get derivatives of the interpolated value {S(u): 1D -> nYdim} at the segment [knotL, next knotR] over the spline values Sl, Sr and the slopes Dl, Dr

Definition at line 52 of file Spline1DHelperOld.cxx.

◆ getSpline()

template<typename DataT >

const Spline1D< double > & o2::gpu::Spline1DHelperOld< DataT >::getSpline ( ) const

inline

_______________ Utilities ________________________

Definition at line 122 of file Spline1DHelperOld.h.

◆ operator=()

template<typename DataT >

Spline1DHelperOld & o2::gpu::Spline1DHelperOld< DataT >::operator= ( const Spline1DHelperOld< DataT > & )

default

Assignment operator: disabled.

◆ setSpline() [1/2]

template<typename DataT >

int32_t Spline1DHelperOld::setSpline	(	const Spline1DContainer< DataT > &	spline,
		int32_t	nFdimensions,
		double	xMin,
		double	xMax,
		double	vx[],
		int32_t	nDataPoints
	)

precompute everything needed for the construction

Definition at line 467 of file Spline1DHelperOld.cxx.

◆ setSpline() [2/2]

template<typename DataT >

int32_t Spline1DHelperOld::setSpline	(	const Spline1DContainer< DataT > &	spline,
		int32_t	nFdimensions,
		int32_t	nAuxiliaryDataPoints
	)

_______________ Interface for a step-wise construction of the best-fit spline ________________________

precompute everything needed for the construction

Definition at line 320 of file Spline1DHelperOld.cxx.

◆ test()

template<typename DataT >

int32_t Spline1DHelperOld::test	(	const bool	draw = `0`,
		const bool	drawDataPoints = `1`
	)

static

Test the Spline1D class functionality.

Definition at line 861 of file Spline1DHelperOld.cxx.

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

/home/runner/work/AliceO2/AliceO2/GPU/TPCFastTransformation/Spline1DHelperOld.h
/home/runner/work/AliceO2/AliceO2/GPU/TPCFastTransformation/Spline1DHelperOld.cxx

Classes

Public Member Functions

Static Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ Spline1DHelperOld() [1/2]

◆ Spline1DHelperOld() [2/2]

◆ ~Spline1DHelperOld()

Member Function Documentation

◆ approximateDataPoints()

◆ approximateDerivatives()

◆ approximateFunction() [1/3]

◆ approximateFunction() [2/3]

◆ approximateFunction() [3/3]

◆ approximateFunctionClassic()

◆ approximateFunctionGradually() [1/3]

◆ approximateFunctionGradually() [2/3]

◆ approximateFunctionGradually() [3/3]

◆ bandGauss()

◆ copySfromDataPoints()

◆ getDataPoint()

◆ getDDDScoefficients()

◆ getDDScoefficients()

◆ getDDScoefficientsLeft()

◆ getDDScoefficientsRight()

◆ getDScoefficients()

◆ getKnotDataPoint()

◆ getLastError()

◆ getNumberOfDataPoints()

◆ getScoefficients()

◆ getSpline()

◆ operator=()

◆ setSpline() [1/2]

◆ setSpline() [2/2]

◆ test()