MFEM  v4.3.0 Finite element discretization library
mfem::ProductCoefficient Class Reference

Scalar coefficient defined as the product of two scalar coefficients or a scalar and a scalar coefficient. More...

#include <coefficient.hpp>

Inheritance diagram for mfem::ProductCoefficient:
[legend]
Collaboration diagram for mfem::ProductCoefficient:
[legend]

## Public Member Functions

ProductCoefficient (double A, Coefficient &B)
Constructor with one coefficient. Result is A * B. More...

ProductCoefficient (Coefficient &A, Coefficient &B)
Constructor with two coefficients. Result is A * B. More...

void SetAConst (double A)
Reset the first term in the product as a constant. More...

double GetAConst () const
Return the first term in the product. More...

void SetACoef (Coefficient &A)
Reset the first term in the product. More...

CoefficientGetACoef () const
Return the first term in the product. More...

void SetBCoef (Coefficient &B)
Reset the second term in the product. More...

CoefficientGetBCoef () const
Return the second term in the product. More...

virtual double Eval (ElementTransformation &T, const IntegrationPoint &ip)
Evaluate the coefficient at ip. More...

Public Member Functions inherited from mfem::Coefficient
Coefficient ()

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 ()

Protected Attributes inherited from mfem::Coefficient
double time

## Detailed Description

Scalar coefficient defined as the product of two scalar coefficients or a scalar and a scalar coefficient.

Definition at line 1050 of file coefficient.hpp.

## Constructor & Destructor Documentation

 mfem::ProductCoefficient::ProductCoefficient ( double A, Coefficient & B )
inline

Constructor with one coefficient. Result is A * B.

Definition at line 1059 of file coefficient.hpp.

 mfem::ProductCoefficient::ProductCoefficient ( Coefficient & A, Coefficient & B )
inline

Constructor with two coefficients. Result is A * B.

Definition at line 1063 of file coefficient.hpp.

## Member Function Documentation

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

Evaluate the coefficient at ip.

Implements mfem::Coefficient.

Definition at line 1082 of file coefficient.hpp.

 Coefficient* mfem::ProductCoefficient::GetACoef ( ) const
inline

Return the first term in the product.

Definition at line 1074 of file coefficient.hpp.

 double mfem::ProductCoefficient::GetAConst ( ) const
inline

Return the first term in the product.

Definition at line 1069 of file coefficient.hpp.

 Coefficient* mfem::ProductCoefficient::GetBCoef ( ) const
inline

Return the second term in the product.

Definition at line 1079 of file coefficient.hpp.

 void mfem::ProductCoefficient::SetACoef ( Coefficient & A )
inline

Reset the first term in the product.

Definition at line 1072 of file coefficient.hpp.

 void mfem::ProductCoefficient::SetAConst ( double A )
inline

Reset the first term in the product as a constant.

Definition at line 1067 of file coefficient.hpp.

 void mfem::ProductCoefficient::SetBCoef ( Coefficient & B )
inline

Reset the second term in the product.

Definition at line 1077 of file coefficient.hpp.

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