Lagrange1D Class Reference

Class representing 1D Lagrange polynomials. More...

Collaboration diagram for Lagrange1D:

Public Member Functions
	Lagrange1D (const RealArray &p)
	Constructor initializing the reference to natural coordinates. More...
bool	eval (int polnum, double xi, double &retval, bool deriv=false) const
	Evaluates a 1D Lagrange polynomial or its derivatives. More...

Private Attributes
const RealArray &	points
	Natural coordinates of the interpolation points.

Detailed Description

Class representing 1D Lagrange polynomials.

Constructor & Destructor Documentation

Lagrange1D()

Lagrange1D::Lagrange1D ( const RealArray &  p )

inlineexplicit

Constructor initializing the reference to natural coordinates.

Parameters

[in]

p

Natural interpolation point coordinates in range [-1,1]

Member Function Documentation

eval()

bool Lagrange1D::eval ( int  polnum, double  xi, double &  retval, bool  deriv = false  ) const

inline

Evaluates a 1D Lagrange polynomial or its derivatives.

Parameters

[in]	polnum	Which polynomial of the basis to evaluate
[in]	xi	Natural coordinate of the evaluation point
[out]	retval	The computed polynomial value
[in]	deriv	If true, evaluate the first derivatives

References points.

Referenced by Lagrange::computeBasis().

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

• src/ASM/Lagrange.C