mx::math::gslInterpolator< interpT > Class Template Reference

template<typename interpT>
class mx::math::gslInterpolator< interpT >

Class to manage interpolation using the GSL interpolation library.

Template Parameters

interpT

is the interpolation type, which also specifies the floating point precision.

Definition at line 81 of file gslInterpolator.hpp.

#include <math/gslInterpolator.hpp>

Public Member Functions
	gslInterpolator ()
	Default constructor.
	gslInterpolator (realT *xin, realT *yin, size_t Nin)
	Raw pointer constructor.
	gslInterpolator (std::vector< realT > &xin, std::vector< realT > &yin)
	Vector constructor.
	~gslInterpolator ()
	Destructor.
void	setup (realT *xin, realT *yin, size_t Nin)
	Setup the interpolator for the supplied data pointers.
void	setup (std::vector< realT > &xin, std::vector< realT > &yin)
	Setup the interpolator for the supplied data vectors.
realT	operator() (const realT &x)
	Calculate the interpolated function value at a point.

Protected Attributes
gsl_interp *	m_interp { nullptr }
	the gsl interpolator structure
gsl_interp_accel *	m_acc { nullptr }
	the gsl interpolation accelerator structure
realT *	m_xin
	the input x data
realT *	m_yin
	the input y data

Constructor & Destructor Documentation

gslInterpolator() [1/3]

template<typename interpT>

mx::math::gslInterpolator< interpT >::gslInterpolator

(

)

Default constructor.

Definition at line 148 of file gslInterpolator.hpp.

gslInterpolator() [2/3]

template<typename interpT>

mx::math::gslInterpolator< interpT >::gslInterpolator	(	realT *	xin,
		realT *	yin,
		size_t	Nin )

Raw pointer constructor.

Parameters

[in]	xin	the input x data, this pointer is stored and must remain valid
[in]	yin	the input y data, this pointer is stored and must remain valid
[in]	Nin	the size of data vectors

Definition at line 153 of file gslInterpolator.hpp.

References setup().

gslInterpolator() [3/3]

template<typename interpT>

mx::math::gslInterpolator< interpT >::gslInterpolator	(	std::vector< realT > &	xin,
		std::vector< realT > &	yin )

Vector constructor.

Parameters

[in]	xin	the input x data, the pointer to xin.data() is stored and xin must remain unchanged
[in]	yin	the input y data, the pointer to yin.data() is stored and yin must remain unchanged

Definition at line 159 of file gslInterpolator.hpp.

References setup().

~gslInterpolator()

template<typename interpT>

mx::math::gslInterpolator< interpT >::~gslInterpolator

(

)

Destructor.

Deallocates working memory.

Definition at line 165 of file gslInterpolator.hpp.

References m_acc, and m_interp.

Member Function Documentation

operator()()

template<typename interpT>

interpT::realT mx::math::gslInterpolator< interpT >::operator()

(

const realT &

x

)

Calculate the interpolated function value at a point.

Returns

the interpolated value at x

Parameters

[in]

x

the point at which to interpolate

Definition at line 220 of file gslInterpolator.hpp.

References mx::liberr, m_acc, m_interp, m_xin, and m_yin.

setup() [1/2]

template<typename interpT>

void mx::math::gslInterpolator< interpT >::setup	(	realT *	xin,
		realT *	yin,
		size_t	Nin )

Setup the interpolator for the supplied data pointers.

Exceptions

mx::err::allocerr	if allocation fails
mx::err::liberr	if GSL initialization fails

Parameters

[in]	xin	the input x data, this pointer is stored and must remain valid
[in]	yin	the input y data, this pointer is stored and must remain valid
[in]	Nin	the size of data vectors

Definition at line 174 of file gslInterpolator.hpp.

References mx::allocerr, mx::liberr, m_acc, m_interp, m_xin, and m_yin.

Referenced by gslInterpolator(), gslInterpolator(), and setup().

setup() [2/2]

template<typename interpT>

void mx::math::gslInterpolator< interpT >::setup	(	std::vector< realT > &	xin,
		std::vector< realT > &	yin )

Setup the interpolator for the supplied data vectors.

Exceptions

mx::err::sizeerr	if the vectors are not the same size
mx::err::allocerr	if allocation fails
mx::err::liberr	if GSL initialization fails

Parameters

[in]	xin	the input x data, the pointer to xin.data() is stored and xin must remain unchanged
[in]	yin	the input y data, the pointer to yin.data() is stored and yin must remain unchanged

Definition at line 210 of file gslInterpolator.hpp.

References setup(), and mx::sizeerr.

Member Data Documentation

m_acc

template<typename interpT>

gsl_interp_accel* mx::math::gslInterpolator< interpT >::m_acc { nullptr }

protected

the gsl interpolation accelerator structure

Definition at line 91 of file gslInterpolator.hpp.

Referenced by ~gslInterpolator(), operator()(), and setup().

m_interp

template<typename interpT>

gsl_interp* mx::math::gslInterpolator< interpT >::m_interp { nullptr }

protected

the gsl interpolator structure

Definition at line 90 of file gslInterpolator.hpp.

Referenced by ~gslInterpolator(), operator()(), and setup().

m_xin

template<typename interpT>

realT* mx::math::gslInterpolator< interpT >::m_xin

protected

the input x data

Definition at line 93 of file gslInterpolator.hpp.

Referenced by operator()(), and setup().

m_yin

template<typename interpT>

realT* mx::math::gslInterpolator< interpT >::m_yin

protected

the input y data

Definition at line 94 of file gslInterpolator.hpp.

Referenced by operator()(), and setup().

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

• math/gslInterpolator.hpp