DiFfRG::TexLinearInterpolator1D< NT, Coordinates > Class Template Reference

A linear interpolator for 1D data, using texture memory on the GPU and floating point arithmetic on the CPU. More...

#include <tex_linear_interpolation_1D.hh>

Public Types
using	ReturnType = typename internal::__TLITypes<NT>::ReturnType

Public Member Functions
	TexLinearInterpolator1D (const std::vector< NT > &data, const Coordinates &coordinates)
	Construct a TexLinearInterpolator1D object from a vector of data and a coordinate system.
	TexLinearInterpolator1D (const NT *data, const Coordinates &coordinates)
	Construct a TexLinearInterpolator1D object from a pointer to data and a coordinate system.
	TexLinearInterpolator1D (const Coordinates &coordinates)
	Construct a TexLinearInterpolator1D with internal, zeroed data and a coordinate system.
	TexLinearInterpolator1D (const TexLinearInterpolator1D &other)
	Construct a copy of a TexLinearInterpolator1D object.
	~TexLinearInterpolator1D ()
template<typename NT2 >
void	update (const NT2 *data)
void	update ()
float *	data () const
float *	data_AD () const
__device__ __host__ ReturnType	operator() (const float x) const
	Interpolate the data at a given point.
ReturnType &	operator[] (const uint i)
const ReturnType &	operator[] (const uint i) const
const Coordinates &	get_coordinates () const
	Get the coordinate system of the data.

Private Attributes
const uint	size
const Coordinates	coordinates
std::shared_ptr< float[]>	m_data
std::vector< cudaArray_t >	device_array
cudaTextureObject_t	texture [max_device_count]
std::shared_ptr< float[]>	m_data_AD
std::vector< cudaArray_t >	device_array_AD
cudaTextureObject_t	texture_AD [max_device_count]
const bool	owner
int	n_devices

Static Private Attributes
static constexpr int	max_device_count = 4

Detailed Description

template<typename NT, typename Coordinates>
class DiFfRG::TexLinearInterpolator1D< NT, Coordinates >

A linear interpolator for 1D data, using texture memory on the GPU and floating point arithmetic on the CPU.

Template Parameters

NT	input data type
Coordinates	coordinate system of the input data

Member Typedef Documentation

ReturnType

template<typename NT , typename Coordinates >

using DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::ReturnType = typename internal::__TLITypes<NT>::ReturnType

Constructor & Destructor Documentation

TexLinearInterpolator1D() [1/4]

template<typename NT , typename Coordinates >

DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::TexLinearInterpolator1D	(	const std::vector< NT > &	data,
		const Coordinates &	coordinates )

Construct a TexLinearInterpolator1D object from a vector of data and a coordinate system.

Parameters

data	vector containing the data
coordinates	coordinate system of the data

TexLinearInterpolator1D() [2/4]

template<typename NT , typename Coordinates >

DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::TexLinearInterpolator1D	(	const NT *	data,
		const Coordinates &	coordinates )

Construct a TexLinearInterpolator1D object from a pointer to data and a coordinate system.

Parameters

data	pointer to the data
coordinates	coordinate system of the data

TexLinearInterpolator1D() [3/4]

template<typename NT , typename Coordinates >

DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::TexLinearInterpolator1D

(

const Coordinates &

coordinates

)

Construct a TexLinearInterpolator1D with internal, zeroed data and a coordinate system.

Parameters

coordinates

coordinate system of the data

TexLinearInterpolator1D() [4/4]

template<typename NT , typename Coordinates >

DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::TexLinearInterpolator1D

(

const TexLinearInterpolator1D< NT, Coordinates > &

other

)

Construct a copy of a TexLinearInterpolator1D object.

Parameters

other

the object to copy

~TexLinearInterpolator1D()

template<typename NT , typename Coordinates >

DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::~TexLinearInterpolator1D

(

)

Member Function Documentation

data()

template<typename NT , typename Coordinates >

float * DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::data

(

)

const

data_AD()

template<typename NT , typename Coordinates >

float * DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::data_AD

(

)

const

get_coordinates()

template<typename NT , typename Coordinates >

const Coordinates & DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::get_coordinates ( ) const

inline

Get the coordinate system of the data.

Returns

const Coordinates& the coordinate system

operator()()

template<typename NT , typename Coordinates >

__device__ __host__ ReturnType DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::operator() ( const float x ) const

inline

Interpolate the data at a given point.

Parameters

x	the point at which to interpolate

Returns

ReturnType the interpolated value

operator[]() [1/2]

template<typename NT , typename Coordinates >

ReturnType & DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::operator[]

(

const uint

i

)

operator[]() [2/2]

template<typename NT , typename Coordinates >

const ReturnType & DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::operator[]

(

const uint

i

)

const

update() [1/2]

template<typename NT , typename Coordinates >

void DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::update

(

)

update() [2/2]

template<typename NT , typename Coordinates >

template<typename NT2 >

void DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::update ( const NT2 * data )

inline

Member Data Documentation

coordinates

template<typename NT , typename Coordinates >

const Coordinates DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::coordinates

private

device_array

template<typename NT , typename Coordinates >

std::vector<cudaArray_t> DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::device_array

private

device_array_AD

template<typename NT , typename Coordinates >

std::vector<cudaArray_t> DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::device_array_AD

private

m_data

template<typename NT , typename Coordinates >

std::shared_ptr<float[]> DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::m_data

private

m_data_AD

template<typename NT , typename Coordinates >

std::shared_ptr<float[]> DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::m_data_AD

private

max_device_count

template<typename NT , typename Coordinates >

int DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::max_device_count = 4

staticconstexprprivate

n_devices

template<typename NT , typename Coordinates >

int DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::n_devices

private

owner

template<typename NT , typename Coordinates >

const bool DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::owner

private

size

template<typename NT , typename Coordinates >

const uint DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::size

private

texture

template<typename NT , typename Coordinates >

cudaTextureObject_t DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::texture[max_device_count]

private

texture_AD

template<typename NT , typename Coordinates >

cudaTextureObject_t DiFfRG::TexLinearInterpolator1D< NT, Coordinates >::texture_AD[max_device_count]

private

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

• /home/runner/work/DiFfRG/DiFfRG/DiFfRG/include/DiFfRG/physics/interpolation/tex_linear_interpolation_1D.hh