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

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 127 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 133 of file MPolynomial.h.

        : myOwner(owner)
      {}

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 144 of file MPolynomial.h.

      {
        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;
      }

References DGtal::MPolynomialEvaluatorImpl< n, TRing, TOwner, TAlloc, TX >::myEvalPoint, DGtal::MPolynomialEvaluatorImpl< n, TRing, TOwner, TAlloc, TX >::EvalFun< XX, Fun >::myOwner, DGtal::MPolynomial< n, TRing, TAlloc >::myValue, and DGtal::IVector< T, TAlloc, usePointers >::size().

Field Documentation

myOwner

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

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

private

Definition at line 129 of file MPolynomial.h.

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

• MPolynomial.h