Class for calculating Legendre basis functions. More...

#include "src/approximation/LegendrePolynomial.hpp"

Inheritance diagram for MoFEM::LegendrePolynomial:

Collaboration diagram for MoFEM::LegendrePolynomial:

Public Member Functions
MoFEMErrorCode	query_interface (boost::typeindex::type_index type_index, UnknownInterface **iface) const

	LegendrePolynomial ()

	~LegendrePolynomial ()

MoFEMErrorCode	getValue (MatrixDouble &pts, boost::shared_ptr< BaseFunctionCtx > ctx_ptr)
	Evaluate Legendre basis functions at given points.

Public Member Functions inherited from MoFEM::BaseFunction
virtual MoFEMErrorCode	getValue (MatrixDouble &pts_x, MatrixDouble &pts_t, boost::shared_ptr< BaseFunctionCtx > ctx_ptr)

Public Member Functions inherited from MoFEM::BaseFunctionUnknownInterface
virtual	~BaseFunctionUnknownInterface ()=default

Public Member Functions inherited from MoFEM::UnknownInterface
template<class IFACE >
MoFEMErrorCode	registerInterface (bool error_if_registration_failed=true)
	Register interface.

template<class IFACE >
MoFEMErrorCode	getInterface (IFACE *&iface) const
	Get interface reference to pointer of interface.

template<class IFACE >
MoFEMErrorCode	getInterface (IFACE **const iface) const
	Get interface pointer to pointer of interface.

template<class IFACE , typename boost::enable_if< boost::is_pointer< IFACE >, int >::type = 0>
IFACE	getInterface () const
	Get interface pointer to pointer of interface.

template<class IFACE , typename boost::enable_if< boost::is_reference< IFACE >, int >::type = 0>
IFACE	getInterface () const
	Get reference to interface.

template<class IFACE >
IFACE *	getInterface () const
	Function returning pointer to interface.

virtual	~UnknownInterface ()=default

Additional Inherited Members
Public Types inherited from MoFEM::BaseFunction
using	DofsSideMap = multi_index_container< DofsSideMapData, indexed_by< ordered_non_unique< tag< TypeSide_mi_tag >, composite_key< DofsSideMapData, member< DofsSideMapData, EntityType, &DofsSideMapData::type >, member< DofsSideMapData, int, &DofsSideMapData::side > > >, ordered_unique< tag< EntDofIdx_mi_tag >, member< DofsSideMapData, int, &DofsSideMapData::dof > > > >
	Map entity stype and side to element/entity dof index.

Static Public Member Functions inherited from MoFEM::UnknownInterface
static MoFEMErrorCode	getLibVersion (Version &version)
	Get library version.

static MoFEMErrorCode	getFileVersion (moab::Interface &moab, Version &version)
	Get database major version.

static MoFEMErrorCode	setFileVersion (moab::Interface &moab, Version version=Version(MoFEM_VERSION_MAJOR, MoFEM_VERSION_MINOR, MoFEM_VERSION_BUILD))
	Get database major version.

static MoFEMErrorCode	getInterfaceVersion (Version &version)
	Get database major version.

Detailed Description

Class for calculating Legendre basis functions.

This class implements the BaseFunction interface to provide Legendre polynomial evaluation capabilities for finite element approximations.

Definition at line 130 of file LegendrePolynomial.hpp.

Constructor & Destructor Documentation

◆ LegendrePolynomial()

MoFEM::LegendrePolynomial::LegendrePolynomial ( )

inline

Definition at line 135 of file LegendrePolynomial.hpp.

135{}

◆ ~LegendrePolynomial()

MoFEM::LegendrePolynomial::~LegendrePolynomial ( )

inline

Definition at line 136 of file LegendrePolynomial.hpp.

136{}

Member Function Documentation

◆ getValue()

MoFEMErrorCode MoFEM::LegendrePolynomial::getValue	(	MatrixDouble &	pts,
		boost::shared_ptr< BaseFunctionCtx >	ctx_ptr
	)

virtual

Evaluate Legendre basis functions at given points.

Parameters

pts	matrix of evaluation points
ctx_ptr	context containing evaluation parameters

Returns: error code

Reimplemented from MoFEM::BaseFunction.

Reimplemented in MoFEM::LobattoPolynomial.

Definition at line 22 of file LegendrePolynomial.cpp.

                                                                       {
 
  MoFEMFunctionBeginHot;
  auto ctx = ctx_ptr->getInterface<LegendrePolynomialCtx>();
  ctx->baseFunPtr->resize(pts.size2(), ctx->P + 1, false);
  ctx->baseDiffFunPtr->resize(pts.size2(), ctx->dIm * (ctx->P + 1), false);
  double *l = NULL;
  double *diff_l = NULL;
  for (unsigned int gg = 0; gg < pts.size2(); gg++) {
    if (ctx->baseFunPtr)
      l = &((*ctx->baseFunPtr)(gg, 0));
    if (ctx->baseDiffFunPtr)
      diff_l = &((*ctx->baseDiffFunPtr)(gg, 0));
    ierr = (ctx->basePolynomialsType0)(ctx->P, pts(0, gg), ctx->diffS, l,
                                       diff_l, ctx->dIm);
    CHKERRG(ierr);
  }
  MoFEMFunctionReturnHot(0);
}

◆ query_interface()

MoFEMErrorCode MoFEM::LegendrePolynomial::query_interface	(	boost::typeindex::type_index	type_index,
		UnknownInterface **	iface
	)		const