casa::SPolynomial< T > Class Template Reference

A one dimensional scaled polynomial class. More...

#include <SPolynomial.h>

Inheritance diagram for casa::SPolynomial< T >:

List of all members.

Public Member Functions
	SPolynomial ()
	Constructs a zero'th order polynomial, with a coeficcient of 0.0.
	SPolynomial (uInt order)
	Makes a polynomial of the given order, with all coeficcients set to zero, and height, center, width to 1,0,1.
	SPolynomial (const SPolynomial< T > &other)
	Copy constructor/assignment (deep copy)
template<class W >
	SPolynomial (const SPolynomial< W > &other)
SPolynomial< T > &	operator= (const SPolynomial< T > &other)
virtual	~SPolynomial ()
	Destructor.
virtual T	eval (typename Function< T >::FunctionArg x) const
	Evaluate the polynomial at x.
virtual Function< T > *	clone () const
	Return a copy of this object from the heap.
virtual Function< typename FunctionTraits< T >::DiffType > *	cloneAD () const
virtual Function< typename FunctionTraits< T >::BaseType > *	cloneNonAD () const

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Detailed Description

template<class T>
class casa::SPolynomial< T >

A one dimensional scaled polynomial class.

Review Status

Test programs:

tSPolynomial

Prerequisite

• Function

Synopsis

A SPolynomial<T> contains a set of coefficients; its fundamental operations is evaluating itself at some "x". The number of coefficients is the order of the polynomial plus one, plus an additional 3 as height, center, width.

Example

     SPolynomial<Float> pf(3); // Third order polynomial - coeffs 0 by default
     pf.setCoefficient(1, 1.0);
     pf[5] = 2.0;
     pf.setCoefficient(3, 3.0);  // 3x^3 + 2x^2 + x
     pf(2); // == 34

Template Type Argument Requirements (T)

• T should have standard numerical operators. Current implementation only tested for real types (and their AutoDiffs).

Thrown Exceptions

• Assertion in debug mode if attempt is made to address incorrect coefficients

To Do

• Nothing I know of

Definition at line 84 of file SPolynomial.h.

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Constructor & Destructor Documentation

template<class T>

casa::SPolynomial< T >::SPolynomial

(

)

[inline]

Constructs a zero'th order polynomial, with a coeficcient of 0.0.

Definition at line 91 of file SPolynomial.h.

template<class T>

casa::SPolynomial< T >::SPolynomial

(

uInt

order

)

[inline, explicit]

Makes a polynomial of the given order, with all coeficcients set to zero, and height, center, width to 1,0,1.

Definition at line 94 of file SPolynomial.h.

template<class T>

casa::SPolynomial< T >::SPolynomial

(

const SPolynomial< T > &

other

)

[inline]

Copy constructor/assignment (deep copy)

Definition at line 97 of file SPolynomial.h.

template<class T>

template<class W >

casa::SPolynomial< T >::SPolynomial

(

const SPolynomial< W > &

other

)

[inline]

Definition at line 99 of file SPolynomial.h.

template<class T>

virtual casa::SPolynomial< T >::~SPolynomial

(

)

[inline, virtual]

Destructor.

Definition at line 105 of file SPolynomial.h.

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Member Function Documentation

template<class T>

virtual Function<T>* casa::SPolynomial< T >::clone

(

)

const [inline, virtual]

Return a copy of this object from the heap.

The caller is responsible for deleting the pointer.

Implements casa::Function< T >.

Definition at line 116 of file SPolynomial.h.

template<class T>

virtual Function<typename FunctionTraits<T>::DiffType>* casa::SPolynomial< T >::cloneAD

(

)

const [inline, virtual]

Reimplemented from casa::Function< T >.

Definition at line 117 of file SPolynomial.h.

template<class T>

virtual Function<typename FunctionTraits<T>::BaseType>* casa::SPolynomial< T >::cloneNonAD

(

)

const [inline, virtual]

Reimplemented from casa::Function< T >.

Definition at line 119 of file SPolynomial.h.

template<class T>

virtual T casa::SPolynomial< T >::eval

(

typename Function< T >::FunctionArg

x

)

const [virtual]

Evaluate the polynomial at x.

template<class T>

SPolynomial<T>& casa::SPolynomial< T >::operator=

(

const SPolynomial< T > &

other

)

[inline]

Definition at line 100 of file SPolynomial.h.

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

• casacore/scimath/Functionals/SPolynomial.h