MFEM  v4.5.2
Finite element discretization library
Public Member Functions | Public Attributes | List of all members
mfem::ConstantCoefficient Class Reference

A coefficient that is constant across space and time. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::ConstantCoefficient:
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Collaboration diagram for mfem::ConstantCoefficient:
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Public Member Functions

 ConstantCoefficient (double c=1.0)
 c is value of constant function More...
 
virtual double Eval (ElementTransformation &T, const IntegrationPoint &ip)
 Evaluate the coefficient at ip. More...
 
void Project (QuadratureFunction &qf)
 Fill the QuadratureFunction qf with the constant value. More...
 
- Public Member Functions inherited from mfem::Coefficient
 Coefficient ()
 
virtual void SetTime (double t)
 Set the time for time dependent coefficients. More...
 
double GetTime ()
 Get the time for time dependent coefficients. More...
 
double Eval (ElementTransformation &T, const IntegrationPoint &ip, double t)
 Evaluate the coefficient in the element described by T at the point ip at time t. More...
 
virtual ~Coefficient ()
 

Public Attributes

double constant
 

Additional Inherited Members

- Protected Attributes inherited from mfem::Coefficient
double time
 

Detailed Description

A coefficient that is constant across space and time.

Definition at line 84 of file coefficient.hpp.

Constructor & Destructor Documentation

◆ ConstantCoefficient()

mfem::ConstantCoefficient::ConstantCoefficient ( double  c = 1.0)
inlineexplicit

c is value of constant function

Definition at line 90 of file coefficient.hpp.

Member Function Documentation

◆ Eval()

virtual double mfem::ConstantCoefficient::Eval ( ElementTransformation T,
const IntegrationPoint ip 
)
inlinevirtual

Evaluate the coefficient at ip.

Implements mfem::Coefficient.

Definition at line 93 of file coefficient.hpp.

◆ Project()

void mfem::ConstantCoefficient::Project ( QuadratureFunction qf)
virtual

Fill the QuadratureFunction qf with the constant value.

Reimplemented from mfem::Coefficient.

Definition at line 71 of file coefficient.cpp.

Member Data Documentation

◆ constant

double mfem::ConstantCoefficient::constant

Definition at line 87 of file coefficient.hpp.


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