PchipSpline Class Reference¶

Splines: Splines::PchipSpline Class Reference

Splines

Pchip (Piecewise Cubic Hermite Interpolating Polynomial) spline class. More...

#include <SplinePchip.hxx>

Inheritance diagram for Splines::PchipSpline:

Public Member Functions
	PchipSpline (string const &name="PchipSpline")

	~PchipSpline () override

SplineType1D	type () const override
	Return spline type (as number)

void	build () override
	Build a Monotone spline from previously inserted points.

void	setup (GenericContainer const &gc) override

Public Member Functions inherited from Splines::CubicSplineBase
void	copy_spline (CubicSplineBase const &S)

real_type	yp_node (integer i) const

void	set_range (real_type xmin, real_type xmax)

void	reserve_external (integer n, real_type &p_x, real_type &p_y, real_type *&p_dy)

void	y_min_max (integer &i_min_pos, real_type &x_min_pos, real_type &y_min, integer &i_max_pos, real_type &x_max_pos, real_type &y_max) const override

void	y_min_max (vector< integer > &i_min_pos, vector< real_type > &x_min_pos, vector< real_type > &y_min, vector< integer > &i_max_pos, vector< real_type > &x_max_pos, vector< real_type > &y_max) const override

void	write_to_stream (ostream_type &s) const override

void	clear () override

integer	coeffs (real_type cfs[], real_type nodes[], bool transpose=false) const override

integer	order () const override

	CubicSplineBase (string const &name="CubicSplineBase")

real_type	eval (real_type x) const override

real_type	D (real_type x) const override

real_type	DD (real_type x) const override

real_type	DDD (real_type x) const override

real_type	DDDD (real_type) const override

real_type	DDDDD (real_type) const override

real_type	id_eval (integer ni, real_type x) const override

real_type	id_D (integer ni, real_type x) const override

real_type	id_DD (integer ni, real_type x) const override

real_type	id_DDD (integer ni, real_type x) const override

real_type	id_DDDD (integer, real_type) const override

real_type	id_DDDDD (integer, real_type) const override

void	build (real_type const x[], integer incx, real_type const y[], integer incy, real_type const yp[], integer incyp, integer n)

void	build (real_type const x[], real_type const y[], real_type const yp[], integer n)

void	build (vector< real_type > const &x, vector< real_type > const &y, vector< real_type > const &yp)

void	reserve (integer npts) override

Public Member Functions inherited from Splines::Spline
void	search (std::pair< integer, real_type > &res) const

	Spline (string const &name="Spline")

virtual	~Spline ()

string const &	name () const

bool	is_closed () const

void	make_closed ()

void	make_opened ()

bool	is_bounded () const

void	make_unbounded ()

void	make_bounded ()

bool	is_extended_constant () const

void	make_extended_constant ()

void	make_extended_not_constant ()

integer	num_points () const

real_type	x_node (integer i) const

real_type	y_node (integer i) const

real_type	x_begin () const

real_type	y_begin () const

real_type	x_end () const

real_type	y_end () const

real_type	x_min () const

real_type	x_max () const

real_type	y_min () const

real_type	y_max () const

void	build (GenericContainer const &gc)

virtual void	build (real_type const x[], integer incx, real_type const y[], integer incy, integer n)

void	build (real_type const x[], real_type const y[], integer n)

void	build (vector< real_type > const &x, vector< real_type > const &y)

void	push_back (real_type x, real_type y)

void	drop_back ()

void	set_origin (real_type x0)

void	set_range (real_type xmin, real_type xmax)

void	dump (ostream_type &s, integer nintervals, char const header[]="x\ty") const

void	dump (char const fname[], integer nintervals, char const header[]="x\ty") const

real_type	operator() (real_type x) const

real_type	eval_D (real_type x) const

real_type	eval_DD (real_type x) const

real_type	eval_DDD (real_type x) const

real_type	eval_DDDD (real_type x) const

real_type	eval_DDDDD (real_type x) const

char const *	type_name () const

string	info () const

void	info (ostream_type &stream) const

Detailed Description

Pchip (Piecewise Cubic Hermite Interpolating Polynomial) spline class.

Constructor & Destructor Documentation

◆ PchipSpline()

Splines::PchipSpline::PchipSpline ( string const & name = "PchipSpline" )

inline

Build an empty spline of PchipSpline type

Parameters

name	the name of the spline

◆ ~PchipSpline()

Splines::PchipSpline::~PchipSpline ( )

inlineoverride

Spline destructor.

Member Function Documentation

◆ build()

void Splines::PchipSpline::build ( )

overridevirtual

Build a Monotone spline from previously inserted points.

Implements Splines::Spline.

◆ setup()

void Splines::PchipSpline::setup ( GenericContainer const & gc )

overridevirtual

Setup a spline using a GenericContainer

gc("xdata") vector with the x coordinate of the data
gc("ydata") vector with the y coordinate of the data

Reimplemented from Splines::Spline.

◆ type()

SplineType1D Splines::PchipSpline::type ( ) const

inlineoverridevirtual

Return spline type (as number)