SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace > Class Template Reference#

DiFfRG: DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace > Class Template Reference
DiFfRG
Discretization Framework for functional Renormalization Group flows
Public Types | Public Member Functions | Static Public Attributes | Private Types | Private Member Functions | Private Attributes | Friends | List of all members
DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace > Class Template Reference

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

#include <spline_interpolator_1d_stack.hh>

Public Types

using memory_space = DefaultMemorySpace
 
using other_memory_space = other_memory_space_t< DefaultMemorySpace >
 
using ctype = typename Coordinates::ctype
 
using value_type = NT
 

Public Member Functions

 SplineInterpolator1DStack (const Coordinates &coordinates)
 Construct a SplineInterpolator1DStack with zeroed data and a coordinate system.
 
KOKKOS_FUNCTION SplineInterpolator1DStack (const SplineInterpolator1DStack &other)
 Copy constructor for SplineInterpolator1DStack. This is ONLY for usage inside Kokkos parallel loops.
 
KOKKOS_FUNCTION ~SplineInterpolator1DStack ()
 
template<typename NT2 >
void update (const NT2 *in_data, const ctype lower_y1=std::numeric_limits< ctype >::max(), const ctype upper_y1=std::numeric_limits< ctype >::max())
 
template<typename View >
requires (Kokkos::is_view<View>::value && View::rank == 2)
void update (const View &view, const ctype lower_y1=std::numeric_limits< ctype >::max(), const ctype upper_y1=std::numeric_limits< ctype >::max())
 
NT KOKKOS_FUNCTION operator() (const typename Coordinates::ctype s, const typename Coordinates::ctype x) const
 Interpolate the data at a given point.
 
NT operator[] (size_t i) const
 
auto & CPU () const
 
auto & GPU () const
 
template<typename MemorySpace >
auto & get_on () const
 
const Coordinates & get_coordinates () const
 Get the coordinate system of the data.
 
NT * data ()
 

Static Public Attributes

static constexpr size_t dim = 2
 

Private Types

using ValueViewType = Kokkos::View< NT **, DefaultMemorySpace, Kokkos::MemoryTraits< Kokkos::RandomAccess > >
 
using CoeffViewType = Kokkos::View< NT **, DefaultMemorySpace, Kokkos::MemoryTraits< Kokkos::RandomAccess > >
 
using HostValueViewType = typename ValueViewType::host_mirror_type
 
using HostCoeffViewType = typename CoeffViewType::host_mirror_type
 

Private Member Functions

void build_y2 (const size_t sidx, const ctype lower_y1, const ctype upper_y1)
 

Private Attributes

const Coordinates coordinates
 
const device::array< size_t, 2 > sizes
 
ValueViewType device_values
 
CoeffViewType device_coeffs
 
HostValueViewType host_values
 
HostCoeffViewType host_coeffs
 
SplineInterpolator1DStack< NT, Coordinates, other_memory_space > * other_instance = nullptr
 
bool owns_other_instance = false
 

Friends

class SplineInterpolator1DStack< NT, Coordinates, other_memory_space >
 

Detailed Description

template<typename NT, typename Coordinates, typename DefaultMemorySpace = CPU_memory>
class DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >

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

Template Parameters
NTinput data type
Coordinatescoordinate system of the input data

Member Typedef Documentation

◆ CoeffViewType

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::CoeffViewType = Kokkos::View<NT **, DefaultMemorySpace, Kokkos::MemoryTraits<Kokkos::RandomAccess> >
private

◆ ctype

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::ctype = typename Coordinates::ctype

◆ HostCoeffViewType

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::HostCoeffViewType = typename CoeffViewType::host_mirror_type
private

◆ HostValueViewType

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::HostValueViewType = typename ValueViewType::host_mirror_type
private

◆ memory_space

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::memory_space = DefaultMemorySpace

◆ other_memory_space

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::other_memory_space = other_memory_space_t<DefaultMemorySpace>

◆ value_type

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::value_type = NT

◆ ValueViewType

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
using DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::ValueViewType = Kokkos::View<NT **, DefaultMemorySpace, Kokkos::MemoryTraits<Kokkos::RandomAccess> >
private

Constructor & Destructor Documentation

◆ SplineInterpolator1DStack() [1/2]

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::SplineInterpolator1DStack ( const Coordinates &  coordinates)
inline

Construct a SplineInterpolator1DStack with zeroed data and a coordinate system.

Parameters
coordinatescoordinate system of the data

◆ SplineInterpolator1DStack() [2/2]

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
KOKKOS_FUNCTION DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::SplineInterpolator1DStack ( const SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace > &  other)
inline

Copy constructor for SplineInterpolator1DStack. This is ONLY for usage inside Kokkos parallel loops.

◆ ~SplineInterpolator1DStack()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
KOKKOS_FUNCTION DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::~SplineInterpolator1DStack ( )
inline

Member Function Documentation

◆ build_y2()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
void DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::build_y2 ( const size_t  sidx,
const ctype  lower_y1,
const ctype  upper_y1 
)
inlineprivate

◆ CPU()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
auto & DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::CPU ( ) const
inline

◆ data()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
NT * DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::data ( )
inline

◆ get_coordinates()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
const Coordinates & DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::get_coordinates ( ) const
inline

Get the coordinate system of the data.

Returns
const Coordinates& the coordinate system

◆ get_on()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
template<typename MemorySpace >
auto & DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::get_on ( ) const
inline

◆ GPU()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
auto & DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::GPU ( ) const
inline

◆ operator()()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
NT KOKKOS_FUNCTION DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::operator() ( const typename Coordinates::ctype  s,
const typename Coordinates::ctype  x 
) const
inline

Interpolate the data at a given point.

Parameters
xthe point at which to interpolate
Returns
NT the interpolated value

◆ operator[]()

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
NT DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::operator[] ( size_t  i) const
inline

◆ update() [1/2]

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
template<typename NT2 >
void DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::update ( const NT2 *  in_data,
const ctype  lower_y1 = std::numeric_limits<ctype>::max(),
const ctype  upper_y1 = std::numeric_limits<ctype>::max() 
)
inline

◆ update() [2/2]

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
template<typename View >
requires (Kokkos::is_view<View>::value && View::rank == 2)
void DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::update ( const View &  view,
const ctype  lower_y1 = std::numeric_limits<ctype>::max(),
const ctype  upper_y1 = std::numeric_limits<ctype>::max() 
)
inline

Friends And Related Symbol Documentation

◆ SplineInterpolator1DStack< NT, Coordinates, other_memory_space >

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
friend class SplineInterpolator1DStack< NT, Coordinates, other_memory_space >
friend

Member Data Documentation

◆ coordinates

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
const Coordinates DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::coordinates
private

◆ device_coeffs

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
CoeffViewType DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::device_coeffs
private

◆ device_values

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
ValueViewType DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::device_values
private

◆ dim

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
constexpr size_t DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::dim = 2
staticconstexpr

◆ host_coeffs

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
HostCoeffViewType DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::host_coeffs
private

◆ host_values

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
HostValueViewType DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::host_values
private

◆ other_instance

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
SplineInterpolator1DStack<NT, Coordinates, other_memory_space>* DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::other_instance = nullptr
mutableprivate

◆ owns_other_instance

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
bool DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::owns_other_instance = false
mutableprivate

◆ sizes

template<typename NT , typename Coordinates , typename DefaultMemorySpace = CPU_memory>
const device::array<size_t, 2> DiFfRG::SplineInterpolator1DStack< NT, Coordinates, DefaultMemorySpace >::sizes
private
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