LUT1d< T > Class Template Reference

Data structure to hold a 1D Lookup table. More...

#include <LUT1d.h>

Public Types
using	ArrayXt = Eigen::Array<T, Eigen::Dynamic, 1>

Public Member Functions
	LUT1d ()
	Default constructor.
	LUT1d (T refValue)
	Constructor with a constant reference value.
	LUT1d (size_t size)
	Constructor with size.
	LUT1d (const std::valarray< double > &coords, const std::valarray< T > &values, bool extrapolate=false)
	Constructor with coordinates and values.
	LUT1d (const LUT1d< T > &lut)
	Copy constructor.
LUT1d &	operator= (const LUT1d< T > &lut)
	Assignment operator.
std::valarray< double > &	coords ()
	Get a reference to the coordinates.
const std::valarray< double > &	coords () const
	Get a read-only reference to the coordinates.
void	coords (const std::valarray< double > &c)
	Set the coordinates.
std::valarray< T > &	values ()
	Get a reference to the coordinates.
const std::valarray< T > &	values () const
	Get a read-only reference to the values.
void	values (const std::valarray< T > &v)
	Set the values.
bool	extrapolate () const
	Get extrapolate flag.
void	extrapolate (bool flag)
	Set extrapolate flag.
bool	haveData () const
	Get flag for having data.
T	refValue () const
	Get reference value.
size_t	size () const
	Get size of LUT.
T	eval (double x) const
	Evaluate the LUT.
ArrayXt	eval (const Eigen::Ref< const Eigen::ArrayXd > &x) const

Detailed Description

template<typename T>
class LUT1d< T >

Data structure to hold a 1D Lookup table.

Suitable for storing data of the form y = f(x)

Constructor & Destructor Documentation

LUT1d() [1/2]

template<typename T>

isce3::core::LUT1d< T >::LUT1d ( const std::valarray< double > & coords, const std::valarray< T > & values, bool extrapolate = false )

inline

Constructor with coordinates and values.

Parameters

[in]	coords	Valarray for coordinates of LUT
[in]	values	Valarray for values of LUT
[in]	extrapolate	Flag for allowing extrapolation beyond bounds

LUT1d() [2/2]

template<typename T>

isce3::core::LUT1d< T >::LUT1d ( const LUT1d< T > & lut )

inline

Copy constructor.

Parameters

[in]

lut

LUT1d object to copy from

Member Function Documentation

coords() [1/3]

template<typename T>

std::valarray< double > & isce3::core::LUT1d< T >::coords ( )

inline

Get a reference to the coordinates.

Parameters

[out]

coords

Reference to valarray for coordinates

coords() [2/3]

template<typename T>

const std::valarray< double > & isce3::core::LUT1d< T >::coords ( ) const

inline

Get a read-only reference to the coordinates.

Parameters

[out]

coords

Copy of valarray for coordinates

coords() [3/3]

template<typename T>

void isce3::core::LUT1d< T >::coords ( const std::valarray< double > & c )

inline

Set the coordinates.

Parameters

[in]

c

Input valarray for coordinates

eval()

template<typename T>

T isce3::core::LUT1d< T >::eval ( double x ) const

inline

Evaluate the LUT.

Parameters

[in]	x	Point to evaluate the LUT
[out]	result	Interpolated value

extrapolate() [1/2]

template<typename T>

bool isce3::core::LUT1d< T >::extrapolate ( ) const

inline

Get extrapolate flag.

Parameters

[out]

flag

Extrapolation flag

extrapolate() [2/2]

template<typename T>

void isce3::core::LUT1d< T >::extrapolate ( bool flag )

inline

Set extrapolate flag.

Parameters

[in]

flag

Extrapolation flag

operator=()

template<typename T>

LUT1d & isce3::core::LUT1d< T >::operator= ( const LUT1d< T > & lut )

inline

Assignment operator.

Parameters

[in]

lut

LUT1d object to assign from

size()

template<typename T>

size_t isce3::core::LUT1d< T >::size ( ) const

inline

Get size of LUT.

Parameters

[out]

size

Size (number of coordinates) of LUT

values() [1/3]

template<typename T>

std::valarray< T > & isce3::core::LUT1d< T >::values ( )

inline

Get a reference to the coordinates.

Parameters

[out]

values

Reference to valarray for values

values() [2/3]

template<typename T>

const std::valarray< T > & isce3::core::LUT1d< T >::values ( ) const

inline

Get a read-only reference to the values.

Parameters

[out]

values

Copy of valarray for values

values() [3/3]

template<typename T>

void isce3::core::LUT1d< T >::values ( const std::valarray< T > & v )

inline

Set the values.

Parameters

[in]

v

Input valarray for values

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

• /home/runner/work/isce3/isce3/cxx/isce3/core/forward.h
• /home/runner/work/isce3/isce3/cxx/isce3/core/LUT1d.h
• /home/runner/work/isce3/isce3/cxx/isce3/core/LUT1d.icc