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

Scalar coefficient defined as a cross product of two vectors in the xy-plane. More...

#include <coefficient.hpp>

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

## Public Member Functions

VectorRotProductCoefficient (VectorCoefficient &A, VectorCoefficient &B)
Constructor with two vector coefficients. Result is $$A_x B_y - A_y * B_x;$$. More...

void SetACoef (VectorCoefficient &A)
Reset the first vector in the product. More...

VectorCoefficientGetACoef () const
Return the first vector of the product. More...

void SetBCoef (VectorCoefficient &B)
Reset the second vector in the product. More...

VectorCoefficientGetBCoef () const
Return the second vector of 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 a cross product of two vectors in the xy-plane.

Definition at line 1200 of file coefficient.hpp.

## Constructor & Destructor Documentation

 mfem::VectorRotProductCoefficient::VectorRotProductCoefficient ( VectorCoefficient & A, VectorCoefficient & B )

Constructor with two vector coefficients. Result is $$A_x B_y - A_y * B_x;$$.

Definition at line 475 of file coefficient.cpp.

## Member Function Documentation

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

Evaluate the coefficient at ip.

Implements mfem::Coefficient.

Definition at line 484 of file coefficient.cpp.

 VectorCoefficient* mfem::VectorRotProductCoefficient::GetACoef ( ) const
inline

Return the first vector of the product.

Definition at line 1216 of file coefficient.hpp.

 VectorCoefficient* mfem::VectorRotProductCoefficient::GetBCoef ( ) const
inline

Return the second vector of the product.

Definition at line 1221 of file coefficient.hpp.

 void mfem::VectorRotProductCoefficient::SetACoef ( VectorCoefficient & A )
inline

Reset the first vector in the product.

Definition at line 1214 of file coefficient.hpp.

 void mfem::VectorRotProductCoefficient::SetBCoef ( VectorCoefficient & B )
inline

Reset the second vector in the product.

Definition at line 1219 of file coefficient.hpp.

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