MFEM
v4.3.0
Finite element discretization library
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Scalar coefficient defined as the linear combination of two scalar coefficients or a scalar and a scalar coefficient. More...
#include <coefficient.hpp>
Public Member Functions | |
SumCoefficient (double A, Coefficient &B, double alpha_=1.0, double beta_=1.0) | |
Constructor with one coefficient. Result is alpha_ * A + beta_ * B. More... | |
SumCoefficient (Coefficient &A, Coefficient &B, double alpha_=1.0, double beta_=1.0) | |
Constructor with two coefficients. Result is alpha_ * A + beta_ * B. More... | |
void | SetAConst (double A) |
Reset the first term in the linear combination as a constant. More... | |
double | GetAConst () const |
Return the first term in the linear combination. More... | |
void | SetACoef (Coefficient &A) |
Reset the first term in the linear combination. More... | |
Coefficient * | GetACoef () const |
Return the first term in the linear combination. More... | |
void | SetBCoef (Coefficient &B) |
Reset the second term in the linear combination. More... | |
Coefficient * | GetBCoef () const |
Return the second term in the linear combination. More... | |
void | SetAlpha (double alpha_) |
Reset the factor in front of the first term in the linear combination. More... | |
double | GetAlpha () const |
Return the factor in front of the first term in the linear combination. More... | |
void | SetBeta (double beta_) |
Reset the factor in front of the second term in the linear combination. More... | |
double | GetBeta () const |
Return the factor in front of the second term in the linear combination. 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 () |
Additional Inherited Members | |
Protected Attributes inherited from mfem::Coefficient | |
double | time |
Scalar coefficient defined as the linear combination of two scalar coefficients or a scalar and a scalar coefficient.
Coefficients based on sums, products, or other functions of coefficients.
Definition at line 893 of file coefficient.hpp.
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Constructor with one coefficient. Result is alpha_ * A + beta_ * B.
Definition at line 905 of file coefficient.hpp.
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Constructor with two coefficients. Result is alpha_ * A + beta_ * B.
Definition at line 910 of file coefficient.hpp.
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Evaluate the coefficient at ip.
Implements mfem::Coefficient.
Definition at line 940 of file coefficient.hpp.
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Return the first term in the linear combination.
Definition at line 922 of file coefficient.hpp.
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Return the first term in the linear combination.
Definition at line 917 of file coefficient.hpp.
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Return the factor in front of the first term in the linear combination.
Definition at line 932 of file coefficient.hpp.
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Return the second term in the linear combination.
Definition at line 927 of file coefficient.hpp.
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Return the factor in front of the second term in the linear combination.
Definition at line 937 of file coefficient.hpp.
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Reset the first term in the linear combination.
Definition at line 920 of file coefficient.hpp.
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Reset the first term in the linear combination as a constant.
Definition at line 915 of file coefficient.hpp.
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Reset the factor in front of the first term in the linear combination.
Definition at line 930 of file coefficient.hpp.
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Reset the second term in the linear combination.
Definition at line 925 of file coefficient.hpp.
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Reset the factor in front of the second term in the linear combination.
Definition at line 935 of file coefficient.hpp.