mfem::eltrans::Lagrange Class Reference

1D Lagrange basis from [0, 1] More...

#include <eltrans_basis.hpp>

Public Member Functions
real_t MFEM_HOST_DEVICE	eval (real_t x, int i) const
	Evaluates the i'th Lagrange polynomial at x
void MFEM_HOST_DEVICE	eval_d1 (real_t &p, real_t &d1, real_t x, int i) const
void MFEM_HOST_DEVICE	eval_d2 (real_t &p, real_t &d1, real_t &d2, real_t x, int i) const

Public Attributes
const real_t *	z
	interpolant node locations, in reference space
int	pN
	number of points

Detailed Description

1D Lagrange basis from [0, 1]

Definition at line 108 of file eltrans_basis.hpp.

Member Function Documentation

eval()

real_t MFEM_HOST_DEVICE mfem::eltrans::Lagrange::eval ( real_t x, int i ) const

inline

Evaluates the i'th Lagrange polynomial at x

Definition at line 118 of file eltrans_basis.hpp.

eval_d1()

void MFEM_HOST_DEVICE mfem::eltrans::Lagrange::eval_d1 ( real_t & p, real_t & d1, real_t x, int i ) const

inline

Evaluates the i'th Lagrange polynomial and its first derivative at x

Definition at line 137 of file eltrans_basis.hpp.

eval_d2()

void MFEM_HOST_DEVICE mfem::eltrans::Lagrange::eval_d2 ( real_t & p, real_t & d1, real_t & d2, real_t x, int i ) const

inline

Evaluates the i'th Lagrange polynomial and its first and second derivatives at x

Definition at line 159 of file eltrans_basis.hpp.

Member Data Documentation

pN

int mfem::eltrans::Lagrange::pN

number of points

Definition at line 115 of file eltrans_basis.hpp.

z

const real_t* mfem::eltrans::Lagrange::z

interpolant node locations, in reference space

Definition at line 112 of file eltrans_basis.hpp.

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

• fem/eltrans/eltrans_basis.hpp