MFEM
v4.6.0
Finite element discretization library

A coefficient that depends on 1 or 2 parent coefficients and a transformation rule represented by a Cfunction. More...
#include <coefficient.hpp>
Public Member Functions  
TransformedCoefficient (Coefficient *q, double(*F)(double))  
TransformedCoefficient (Coefficient *q1, Coefficient *q2, double(*F)(double, double))  
void  SetTime (double t) 
Set the time for internally stored coefficients. More...  
virtual double  Eval (ElementTransformation &T, const IntegrationPoint &ip) 
Evaluate the coefficient at ip. More...  
Public Member Functions inherited from mfem::Coefficient  
Coefficient ()  
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 void  Project (QuadratureFunction &qf) 
Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. More...  
virtual  ~Coefficient () 
Additional Inherited Members  
Protected Attributes inherited from mfem::Coefficient  
double  time 
A coefficient that depends on 1 or 2 parent coefficients and a transformation rule represented by a Cfunction.
\( C(x,t) = T(Q1(x,t)) \) or \( C(x,t) = T(Q1(x,t), Q2(x,t)) \)
where T is the transformation rule, and Q1/Q2 are the parent coefficients.
Definition at line 420 of file coefficient.hpp.

inline 
Definition at line 429 of file coefficient.hpp.

inline 
Definition at line 431 of file coefficient.hpp.

virtual 
Evaluate the coefficient at ip.
Implements mfem::Coefficient.
Definition at line 218 of file coefficient.cpp.

virtual 
Set the time for internally stored coefficients.
Reimplemented from mfem::Coefficient.
Definition at line 211 of file coefficient.cpp.