#include <Spline1DSpec.h>

Inherits o2::gpu::Spline1DContainerBase< DataT, FlatObject >.

Public Member Functions
	GPUd () const int32_t *getUtoKnotMap() const
	Get a map (integer U -> corresponding knot index)

	GPUd () const Knot< DataT > *getKnots() const
	Get the array of knots.

template<SafetyLevel SafeT = SafetyLevel::kSafe>
	GPUd () const Knot< DataT > &getKnot(int32_t i) const
	Get i-th knot.

template<SafetyLevel SafeT = SafetyLevel::kSafe>
	GPUd () int32_t getLeftKnotIndexForU(DataT u) const
	Get index of an associated knot for a given U coordinate. Performs a boundary check.

	GPUd () DataT *getParameters()
	Get spline parameters.

	GPUd () const DataT *getParameters() const
	Get spline parameters const.

void	approximateFunction (double xMin, double xMax, std::function< void(double x, double f[])> F, int32_t nAuxiliaryDataPoints=4)
	approximate a function F with this spline

int32_t	writeToFile (TFile &outf, const char *name)
	write a class object to the file

void	print () const
	Print method.

void	cloneFromObject (const Spline1DContainer &obj, char *newFlatBufferPtr)

void	moveBufferTo (char *newBufferPtr)

template<class OtherFlatBase >
void	importFrom (const Spline1DContainerBase< DataT, OtherFlatBase > &src)

void	destroy ()

void	setActualBufferAddress (char *actualFlatBufferPtr)

void	setFutureBufferAddress (char *futureFlatBufferPtr)

Public Member Functions inherited from o2::gpu::Spline1DContainerBase< DataT, FlatObject >
	GPUd () static const expr int32_t getVersion()
	_____________ Version control __________________________

	GPUd () int32_t getUmax() const
	_______________ Getters ________________________

	GPUd () int32_t getYdimensions() const
	Get number of Y dimensions.

	GPUd () size_t getParameterAlignmentBytes() const
	Get minimal required alignment for the spline parameters.

	GPUd () int32_t getNumberOfParameters() const
	Number of parameters.

	GPUd () size_t getSizeOfParameters() const
	Size of the parameter array in bytes.

	GPUd () int32_t getNumberOfKnots() const
	Get a number of knots.

	GPUd () DataT convXtoU(DataT x) const
	_______________ Technical stuff ________________________

	GPUd () DataT convUtoX(DataT u) const
	Convert U coordinate to X.

	GPUd () DataT getXmin() const
	Get Xmin.

	GPUd () DataT getXmax() const
	Get Xmax.

	GPUd () DataT getXtoUscale() const
	Get XtoUscale.

	GPUd () void setXrange(DataT xMin
	Set X range.

	GPUd () int32_t calcNumberOfParameters(int32_t nYdim) const
	_______________ Expert tools _______________

	Spline1DContainerBase ()=default
	_____________ C++ constructors / destructors __________________________

	Spline1DContainerBase (const Spline1DContainerBase &)=delete
	Disable all other constructors.

	~Spline1DContainerBase ()=default
	Destructor.

Public Member Functions inherited from o2::gpu::FlatObject
	FlatObject ()=default
	_____________ Constructors / destructors __________________________

	~FlatObject ()

	FlatObject (const FlatObject &)=delete

FlatObject &	operator= (const FlatObject &)=delete

template<typename T >
T *	resizeArray (T &ptr, int32_t oldSize, int32_t newSize, T newPtr=nullptr)

template<typename T >
T **	resizeArray (T &ptr, int32_t oldSize, int32_t newSize, T newPtr=nullptr)

void	destroy ()
	_______________ Utilities _______________________________________________

	GPUdi () size_t getFlatBufferSize() const
	Gives size of the flat buffer.

	GPUdi () const char *getFlatBufferPtr() const
	Gives pointer to the flat buffer.

bool	isConstructed () const
	Tells if the object is constructed.

bool	isBufferInternal () const
	Tells if the buffer is internal.

void	adoptInternalBuffer (char *buf)

void	clearInternalBufferPtr ()

void	printC () const
	Print the content of the flat buffer.

Static Public Member Functions
static Spline1DContainer *	readFromFile (TFile &inpf, const char *name)
	read a class object from the file

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

Static Public Member Functions inherited from o2::gpu::FlatObject
static constexpr size_t	alignSize (size_t sizeBytes, size_t alignmentBytes)
	_______________ Generic utilities _______________________________________________

template<class T >
static T *	relocatePointer (const char oldBase, char newBase, const T *ptr)
	Relocates a pointer inside a buffer to the new buffer address.

template<class T , class TFile >
static int32_t	writeToFile (T &obj, TFile &outf, const char *name)
	write a child class object to the file

template<class T , class TFile >
static T *	readFromFile (TFile &inpf, const char *name)
	read a child class object from the file

template<class T >
static std::string	stressTest (T &obj)
	Test the flat object functionality for a child class T.

Protected Member Functions
void	recreate (int32_t nYdim, int32_t numberOfKnots)

void	recreate (int32_t nYdim, int32_t numberOfKnots, const int32_t knotU[])

int32_t *	getUtoKnotMap ()
	Non-const accessor to U->knots map.

Knot< DataT > *	getKnots ()
	Non-const accessor to the knots array.

	ClassDefNV (Spline1DContainer, 1)
	(transient!!) pointer to F-dependent parameters inside the mFlatBufferPtr array

Protected Member Functions inherited from o2::gpu::FlatObject
void	startConstruction ()
	_____________ Construction _________

void	finishConstruction (int32_t flatBufferSize)

void	cloneFromObject (const FlatObject &obj, char *newFlatBufferPtr)

char *	releaseInternalBuffer ()
	_____________ Methods for making the data buffer external __________________________

void	moveBufferTo (char *newBufferPtr)

void	setActualBufferAddress (char *actualFlatBufferPtr)
	_____________ Methods for moving the class with its external buffer to another location __________________________

void	setFutureBufferAddress (char *futureFlatBufferPtr)

	ClassDefNV (FlatObject, 1)
	Pointer to the flat buffer.

Protected Attributes
int32_t *	mUtoKnotMap = nullptr

DataT *	mParameters = nullptr
	(transient!!) pointer to (integer U -> knot index) map inside the mFlatBufferPtr array

Protected Attributes inherited from o2::gpu::FlatObject
int32_t	mFlatBufferSize = 0
	size of the flat buffer

uint32_t	mConstructionMask = ConstructionState::NotConstructed
	mask for constructed object members, first two bytes are used by this class

char *	mFlatBufferContainer = nullptr

char *	mFlatBufferPtr = nullptr

Additional Inherited Members
Public Attributes inherited from o2::gpu::Spline1DContainerBase< DataT, FlatObject >
DataT	xMax

int32_t	mYdim
	_____________ Data members ____________

int32_t	mNumberOfKnots
	n knots on the grid

int32_t	mUmax
	U of the last knot.

DataT	mXmin
	X of the first knot.

DataT	mXtoUscale
	a scaling factor to convert X to U

Protected Types inherited from o2::gpu::FlatObject
enum	ConstructionState : uint32_t { NotConstructed = 0x0 , Constructed = 0x1 , InProgress = 0x2 }
	GPUCA_GPUCODE. More...

Static Protected Member Functions inherited from o2::gpu::FlatObject
static constexpr size_t	getClassAlignmentBytes ()
	GPUCA_GPUCODE.

static constexpr size_t	getBufferAlignmentBytes ()
	Gives minimal alignment in bytes required for the flat buffer.

Detailed Description

template<typename DataT>
class o2::gpu::Spline1DContainer< DataT, FlatObject >

Definition at line 138 of file Spline1DSpec.h.

Member Function Documentation

◆ approximateFunction()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::approximateFunction	(	double	xMin,
		double	xMax,
		std::function< void(double x, double f[])>	F,
		int32_t	nAuxiliaryDataPoints = `4`
	)

approximate a function F with this spline

◆ ClassDefNV()

template<typename DataT >

o2::gpu::Spline1DContainer< DataT, FlatObject >::ClassDefNV	(	Spline1DContainer< DataT, FlatObject >	,
		1
	)

protected

(transient!!) pointer to F-dependent parameters inside the mFlatBufferPtr array

◆ cloneFromObject()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::cloneFromObject	(	const Spline1DContainer< DataT, FlatObject > &	obj,
		char *	newFlatBufferPtr
	)

◆ destroy()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::destroy ( )

◆ getKnots()

template<typename DataT >

Knot< DataT > * o2::gpu::Spline1DContainer< DataT, FlatObject >::getKnots ( )

inlineprotected

Non-const accessor to the knots array.

Definition at line 208 of file Spline1DSpec.h.

◆ getUtoKnotMap()

template<typename DataT >

int32_t * o2::gpu::Spline1DContainer< DataT, FlatObject >::getUtoKnotMap ( )

inlineprotected

Non-const accessor to U->knots map.

Definition at line 205 of file Spline1DSpec.h.

◆ GPUd() [1/6]

template<typename DataT >

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( ) const

inline

Get spline parameters const.

Definition at line 165 of file Spline1DSpec.h.

◆ GPUd() [2/6]

template<typename DataT >

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( ) const

inline

Get a map (integer U -> corresponding knot index)

Definition at line 142 of file Spline1DSpec.h.

◆ GPUd() [3/6]

template<typename DataT >

template<SafetyLevel SafeT = SafetyLevel::kSafe>

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( ) const &

inline

Get i-th knot.

Definition at line 149 of file Spline1DSpec.h.

◆ GPUd() [4/6]

template<typename DataT >

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( ) const

inline

Get the array of knots.

Definition at line 145 of file Spline1DSpec.h.

◆ GPUd() [5/6]

template<typename DataT >

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( )

inline

Get spline parameters.

Definition at line 162 of file Spline1DSpec.h.

◆ GPUd() [6/6]

template<typename DataT >

template<SafetyLevel SafeT = SafetyLevel::kSafe>

o2::gpu::Spline1DContainer< DataT, FlatObject >::GPUd ( ) const

Get index of an associated knot for a given U coordinate. Performs a boundary check.

◆ importFrom()

template<typename DataT >

template<class OtherFlatBase >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::importFrom ( const Spline1DContainerBase< DataT, OtherFlatBase > & src )

Copy schema fields from a spline with a different FlatBase. mUtoKnotMap and mParameters are set to nullptr; call setActualBufferAddress() afterward.

◆ moveBufferTo()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::moveBufferTo ( char * newBufferPtr )

◆ print()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::print ( ) const

Print method.

◆ readFromFile()

template<typename DataT >

static Spline1DContainer * o2::gpu::Spline1DContainer< DataT, FlatObject >::readFromFile	(	TFile &	inpf,
		const char *	name
	)

static

read a class object from the file

◆ recreate() [1/2]

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::recreate	(	int32_t	nYdim,
		int32_t	numberOfKnots
	)

protected

◆ recreate() [2/2]

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::recreate	(	int32_t	nYdim,
		int32_t	numberOfKnots,
		const int32_t	knotU[]
	)

protected

◆ setActualBufferAddress()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::setActualBufferAddress ( char * actualFlatBufferPtr )

◆ setFutureBufferAddress()

template<typename DataT >

void o2::gpu::Spline1DContainer< DataT, FlatObject >::setFutureBufferAddress ( char * futureFlatBufferPtr )

◆ test()

template<typename DataT >

static int32_t o2::gpu::Spline1DContainer< DataT, FlatObject >::test	(	const bool	draw = `0`,
		const bool	drawDataPoints = `1`
	)

static

Test the class functionality.

◆ writeToFile()

template<typename DataT >

int32_t o2::gpu::Spline1DContainer< DataT, FlatObject >::writeToFile	(	TFile &	outf,
		const char *	name
	)

write a class object to the file

Member Data Documentation

◆ mParameters

template<typename DataT >

DataT* o2::gpu::Spline1DContainer< DataT, FlatObject >::mParameters = nullptr

protected

(transient!!) pointer to (integer U -> knot index) map inside the mFlatBufferPtr array

Definition at line 211 of file Spline1DSpec.h.

◆ mUtoKnotMap

template<typename DataT >

int32_t* o2::gpu::Spline1DContainer< DataT, FlatObject >::mUtoKnotMap = nullptr

protected

Definition at line 210 of file Spline1DSpec.h.

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

/home/runner/work/AliceO2/AliceO2/GPU/Utils/Spline1DSpec.h

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ approximateFunction()

◆ ClassDefNV()

◆ cloneFromObject()

◆ destroy()

◆ getKnots()

◆ getUtoKnotMap()

◆ GPUd() [1/6]

◆ GPUd() [2/6]

◆ GPUd() [3/6]

◆ GPUd() [4/6]

◆ GPUd() [5/6]

◆ GPUd() [6/6]

◆ importFrom()

◆ moveBufferTo()

◆ print()

◆ readFromFile()

◆ recreate() [1/2]

◆ recreate() [2/2]

◆ setActualBufferAddress()

◆ setFutureBufferAddress()

◆ test()

◆ writeToFile()

Member Data Documentation

◆ mParameters

◆ mUtoKnotMap