Collaboration diagram for DGtal::MPolynomialEvaluatorImpl< 1, TRing, TOwner, TAlloc, TX >::EvalFun:

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Public Member Functions
	EvalFun (const MPolynomialEvaluatorImpl< 1, Ring, Owner, Alloc, X > &owner)

X	operator() (const MPolynomial< 1, Ring, Alloc > &p) const

Private Attributes
const MPolynomialEvaluatorImpl< 1, Ring, Owner, Alloc, X > &	myOwner

Detailed Description

template<typename TRing, typename TOwner, typename TAlloc, typename TX>
class DGtal::MPolynomialEvaluatorImpl< 1, TRing, TOwner, TAlloc, TX >::EvalFun

Evaluates a polynomial of type MPolynomial<1, T> in myEvalPoint.

Definition at line 115 of file MPolynomial.h.

Constructor & Destructor Documentation

◆ EvalFun()

template<typename TRing , typename TOwner , typename TAlloc , typename TX >

DGtal::MPolynomialEvaluatorImpl< 1, TRing, TOwner, TAlloc, TX >::EvalFun::EvalFun ( const MPolynomialEvaluatorImpl< 1, Ring, Owner, Alloc, X > & owner )

inline

Definition at line 121 of file MPolynomial.h.

123 : myOwner(owner)

124 {}

DGtal::MPolynomialEvaluatorImpl< 1, TRing, TOwner, TAlloc, TX >::EvalFun::myOwner

const MPolynomialEvaluatorImpl< 1, Ring, Owner, Alloc, X > & myOwner

Definition: MPolynomial.h:117

Member Function Documentation

◆ operator()()

template<typename TRing , typename TOwner , typename TAlloc , typename TX >

X DGtal::MPolynomialEvaluatorImpl< 1, TRing, TOwner, TAlloc, TX >::EvalFun::operator() ( const MPolynomial< 1, Ring, Alloc > & p ) const

inline

Evalutate polynomial p at the point stored in myOwner.

Parameters

p	a monovariate polynomial.

Returns: the value of p at the point.

Definition at line 132 of file MPolynomial.h.

References DGtal::MPolynomialEvaluatorImpl< n, TRing, TOwner, TAlloc, TX >::myEvalPoint, and DGtal::MPolynomial< n, TRing, TAlloc >::myValue.

       {
         X res = (X) 0;
         X xx = (X) 1;
         for ( int i = 0; i < (int) p.myValue.size(); ++i )
           {
             res += (X)(Ring) p.myValue[i] * xx;
             xx = xx * myOwner.myEvalPoint;
           }
         return res;
       }