mfem::DiffMappedGridFunctionCoefficient Class Reference

Returns f(u(x)) - f(v(x)) where u, v are scalar GridFunctions and f:R → R. More...

#include <ex37.hpp>

Inheritance diagram for mfem::DiffMappedGridFunctionCoefficient:

Collaboration diagram for mfem::DiffMappedGridFunctionCoefficient:

Public Member Functions
	DiffMappedGridFunctionCoefficient ()
	DiffMappedGridFunctionCoefficient (const GridFunction *gf, const GridFunction *other_gf, std::function< real_t(const real_t)> fun_, int comp=1)
virtual real_t	Eval (ElementTransformation &T, const IntegrationPoint &ip)
	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.
virtual void	Project (QuadratureFunction &qf)
	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
const GridFunction *	OtherGridF
GridFunctionCoefficient	OtherGridF_cf
std::function< real_t(const real_t)>	fun
Protected Attributes inherited from mfem::Coefficient
real_t	time

Detailed Description

Returns f(u(x)) - f(v(x)) where u, v are scalar GridFunctions and f:R → R.

Definition at line 65 of file ex37.hpp.

Constructor & Destructor Documentation

DiffMappedGridFunctionCoefficient() [1/2]

mfem::DiffMappedGridFunctionCoefficient::DiffMappedGridFunctionCoefficient ( )

inline

Definition at line 72 of file ex37.hpp.

DiffMappedGridFunctionCoefficient() [2/2]

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

inline

Definition at line 77 of file ex37.hpp.

Member Function Documentation

Eval()

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

inlinevirtual

Evaluate the coefficient at ip.

Reimplemented from mfem::GridFunctionCoefficient.

Definition at line 86 of file ex37.hpp.

SetFunction()

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

inline

Definition at line 93 of file ex37.hpp.

Member Data Documentation

fun

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

protected

Definition at line 70 of file ex37.hpp.

OtherGridF

const GridFunction* mfem::DiffMappedGridFunctionCoefficient::OtherGridF

protected

Definition at line 68 of file ex37.hpp.

OtherGridF_cf

GridFunctionCoefficient mfem::DiffMappedGridFunctionCoefficient::OtherGridF_cf

protected

Definition at line 69 of file ex37.hpp.

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

• examples/ex37.hpp