GridHandler< D, N > Class Template Reference

A generic class for \(\mathbb{R}^D\mapsto\mathbb{R}^N\) grid interpolation. More...

#include <include/CepGen/Utils/GridHandler.h>

Inheritance diagram for GridHandler< D, N >:

Public Types
using	coord_t = std::vector<double>
	Coordinates container.
using	values_t = std::array<double, N>
	Value(s) at a given coordinate.

Public Member Functions
	GridHandler (const GridType &grid_type)
	Build a grid interpolator from a grid type.
virtual	~GridHandler ()=default
values_t	eval (const coord_t &in_coords) const
	Interpolate a point to a given coordinate.
void	insert (const coord_t &coord, values_t value)
	Insert a new value in the grid.
std::map< coord_t, values_t >	values () const
	List of values in the grid.
void	initialise ()
	Initialise the grid and all useful interpolators/accelerators.
std::array< Limits, D >	boundaries () const
	Grid boundaries (collection of (min,max))
std::array< double, D >	min () const
	Lowest bound of the grid coordinates.
std::array< double, D >	max () const
	Highest bound of the grid coordinates.

Protected Attributes
const GridType	grid_type_
	Type of interpolation for the grid members.
std::map< coord_t, values_t >	values_raw_
	List of coordinates and associated value(s) in the grid Grid interpolation accelerator.
std::vector< std::unique_ptr< gsl_interp_accel, void(*)(gsl_interp_accel *)> >	accelerators_
std::vector< std::unique_ptr< gsl_spline, void(*)(gsl_spline *)> >	splines_1d_
	Splines for linear interpolations.
std::array< coord_t, D >	coordinates_
	Coordinates building up the grid.
std::array< std::unique_ptr< double[]>, N >	values_
	Values for all points in the grid.

Detailed Description

template<size_t D, size_t N = 1>
class cepgen::GridHandler< D, N >

Template Parameters

D	Number of variables in the grid (dimension)
N	Number of values handled per point

Definition at line 43 of file GridHandler.h.

Member Typedef Documentation

coord_t

template<size_t D, size_t N = 1>

using coord_t = std::vector<double>

Definition at line 48 of file GridHandler.h.

values_t

template<size_t D, size_t N = 1>

using values_t = std::array<double, N>

Definition at line 49 of file GridHandler.h.

Constructor & Destructor Documentation

GridHandler()

template<size_t D, size_t N = 1>

GridHandler ( const GridType & grid_type )

explicit

~GridHandler()

template<size_t D, size_t N = 1>

virtual ~GridHandler ( )

virtualdefault

Member Function Documentation

boundaries()

template<size_t D, size_t N = 1>

std::array< Limits, D > boundaries

(

)

const

eval()

template<size_t D, size_t N = 1>

values_t eval

(

const coord_t &

in_coords

)

const

initialise()

template<size_t D, size_t N = 1>

void initialise

(

)

insert()

template<size_t D, size_t N = 1>

void insert	(	const coord_t &	coord,
		values_t	value )

max()

template<size_t D, size_t N = 1>

std::array< double, D > max

(

)

const

min()

template<size_t D, size_t N = 1>

std::array< double, D > min

(

)

const

values()

template<size_t D, size_t N = 1>

std::map< coord_t, values_t > values

(

)

const

Definition at line 54 of file GridHandler.h.

Member Data Documentation

accelerators_

template<size_t D, size_t N = 1>

std::vector<std::unique_ptr<gsl_interp_accel, void (*)(gsl_interp_accel*)> > accelerators_

protected

Definition at line 65 of file GridHandler.h.

coordinates_

template<size_t D, size_t N = 1>

std::array<coord_t, D> coordinates_

protected

Definition at line 71 of file GridHandler.h.

grid_type_

template<size_t D, size_t N = 1>

const GridType grid_type_

protected

Definition at line 62 of file GridHandler.h.

splines_1d_

template<size_t D, size_t N = 1>

std::vector<std::unique_ptr<gsl_spline, void (*)(gsl_spline*)> > splines_1d_

protected

Definition at line 66 of file GridHandler.h.

values_

template<size_t D, size_t N = 1>

std::array<std::unique_ptr<double[]>, N> values_

protected

Definition at line 72 of file GridHandler.h.

values_raw_

template<size_t D, size_t N = 1>

std::map<coord_t, values_t> values_raw_

protected

Definition at line 63 of file GridHandler.h.