mfem::MappedGridFunctionCoefficient Class Reference

Returns f(u(x)) where u is a scalar GridFunction and f:R → R. More...

#include <ex37.hpp>

Inheritance diagram for mfem::MappedGridFunctionCoefficient:

Collaboration diagram for mfem::MappedGridFunctionCoefficient:

Public Member Functions
	MappedGridFunctionCoefficient ()
	MappedGridFunctionCoefficient (const GridFunction *gf, std::function< real_t(const real_t)> fun_, int comp=1)
real_t	Eval (ElementTransformation &T, const IntegrationPoint &ip) override
	Evaluate the coefficient at ip.
void	SetFunction (std::function< real_t(const real_t)> fun_)
Public Member Functions inherited from mfem::GridFunctionCoefficient
	GridFunctionCoefficient ()
	GridFunctionCoefficient (const GridFunction *gf, int comp=1)
void	SetGridFunction (const GridFunction *gf)
	Set the internal GridFunction.
const GridFunction *	GetGridFunction () const
	Get the internal GridFunction.
void	Project (QuadratureFunction &qf) override
	Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points.
Public Member Functions inherited from mfem::Coefficient
	Coefficient ()
virtual void	SetTime (real_t t)
	Set the time for time dependent coefficients.
real_t	GetTime ()
	Get the time for time dependent coefficients.
real_t	Eval (ElementTransformation &T, const IntegrationPoint &ip, real_t t)
	Evaluate the coefficient in the element described by T at the point ip at time t.
virtual	~Coefficient ()

Protected Attributes
std::function< real_t(const real_t)>	fun
Protected Attributes inherited from mfem::Coefficient
real_t	time

Detailed Description

Returns f(u(x)) where u is a scalar GridFunction and f:R → R.

Definition at line 40 of file ex37.hpp.

Constructor & Destructor Documentation

MappedGridFunctionCoefficient() [1/2]

mfem::MappedGridFunctionCoefficient::MappedGridFunctionCoefficient ( )

inline

Definition at line 45 of file ex37.hpp.

MappedGridFunctionCoefficient() [2/2]

mfem::MappedGridFunctionCoefficient::MappedGridFunctionCoefficient ( const GridFunction * gf, std::function< real_t(const real_t)> fun_, int comp = 1 )

inline

Definition at line 48 of file ex37.hpp.

Member Function Documentation

Eval()

real_t mfem::MappedGridFunctionCoefficient::Eval ( ElementTransformation & T, const IntegrationPoint & ip )

inlineoverridevirtual

Evaluate the coefficient at ip.

Reimplemented from mfem::GridFunctionCoefficient.

Definition at line 55 of file ex37.hpp.

SetFunction()

void mfem::MappedGridFunctionCoefficient::SetFunction ( std::function< real_t(const real_t)> fun_ )

inline

Definition at line 60 of file ex37.hpp.

Member Data Documentation

fun

std::function<real_t(const real_t)> mfem::MappedGridFunctionCoefficient::fun

protected

Definition at line 43 of file ex37.hpp.

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

• examples/ex37.hpp