aims::FastBSpline Class Reference

*Centered and *scaled B-Spline function, evaluated at run time. More...

#include <aims/math/bspline.h>

Inheritance diagram for aims::FastBSpline:

Collaboration diagram for aims::FastBSpline:

Public Member Functions
	FastBSpline (unsigned order=3, float scale=1., bool shifted=false)
	FastBSpline (const FastBSpline &other)
virtual	~FastBSpline ()
FastBSpline &	operator= (const FastBSpline &other)
virtual double	at (double x) const
	Compute valuespline value at point x.
virtual double	derivative (double x, unsigned n=1) const
	n-th derivative of the spline at point x
Public Member Functions inherited from aims::BSpline
	BSpline (unsigned order=3, float scale=1., bool shifted=false)
	BSpline (const BSpline &other)
virtual	~BSpline ()
BSpline &	operator= (const BSpline &other)
virtual void	reset (unsigned order=3, float scale=1., bool shifted=false)
	Set parameters @ { (Re)set all parameters.
virtual void	setOrder (unsigned order)
	order
virtual void	setScale (float scale)
	scale
virtual void	setShifted (bool shifted)
	shifted
virtual void	setCentered (bool centered)
	centered
unsigned	order () const
	Get parameters @ { spline order.
float	scale () const
	spline scale
bool	shifted () const
	is shifted ?
bool	centered () const
	is centered ?
virtual double	operator() (double x) const
	Compute value.
virtual const Point2dd &	support () const
	Get the inferior and superior boundaries of the function support (i.e.

Additional Inherited Members
Protected Member Functions inherited from aims::BSpline
double	dO () const
virtual void	setSupport ()
Protected Attributes inherited from aims::BSpline
unsigned	_order
float	_scale
bool	_shift
Point2dd	_support

Detailed Description

*Centered and *scaled B-Spline function, evaluated at run time.

Here, analytical expression are hard coded for orders 0 to 7.

In this implementation, unshifted centered B-Spline are evaluated at value x/m (+ .5).

Definition at line 216 of file bspline.h.

Constructor & Destructor Documentation

FastBSpline() [1/2]

aims::FastBSpline::FastBSpline	(	unsigned	order = 3,
		float	scale = 1.,
		bool	shifted = false )

References aims::BSpline::order(), aims::BSpline::scale(), and aims::BSpline::shifted().

Referenced by FastBSpline(), and operator=().

FastBSpline() [2/2]

aims::FastBSpline::FastBSpline

(

const FastBSpline &

other

)

References FastBSpline().

~FastBSpline()

virtual aims::FastBSpline::~FastBSpline ( )

virtual

Member Function Documentation

at()

virtual double aims::FastBSpline::at ( double x ) const

virtual

Compute valuespline value at point x.

Implemented for orders 0 to 7

Reimplemented from aims::BSpline.

derivative()

virtual double aims::FastBSpline::derivative ( double x, unsigned n = 1 ) const

virtual

n-th derivative of the spline at point x

Implemented for orders 0 to 3

Reimplemented from aims::BSpline.

operator=()

FastBSpline & aims::FastBSpline::operator=

(

const FastBSpline &

other

)

References FastBSpline().

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

• aims/math/bspline.h