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MFEM
v4.6.0
Finite element discretization library
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Represent a ConvectionIntegrator with AssemblyLevel::Partial using libCEED. More...
#include <convection.hpp>
Public Member Functions | |
PAConvectionIntegrator (const mfem::FiniteElementSpace &fes, const mfem::IntegrationRule &ir, mfem::VectorCoefficient *Q, const double alpha) | |
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PAIntegrator () | |
template<typename CeedOperatorInfo , typename CoeffType > | |
void | Assemble (CeedOperatorInfo &info, const mfem::FiniteElementSpace &fes, const mfem::IntegrationRule &ir, CoeffType *Q) |
This method assembles the PAIntegrator with the given CeedOperatorInfo info, an mfem::FiniteElementSpace fes, an mfem::IntegrationRule ir, and mfem::Coefficient or mfem::VectorCoefficient Q. The CeedOperatorInfo type is expected to inherit from OperatorInfo , and contain a Context type relevant to the qFunctions. More... | |
template<typename CeedOperatorInfo , typename CoeffType > | |
void | Assemble (CeedOperatorInfo &info, const mfem::FiniteElementSpace &fes, const mfem::IntegrationRule &ir, int nelem, const int *indices, CoeffType *Q) |
This method assembles the PAIntegrator with the given CeedOperatorInfo info, an mfem::FiniteElementSpace fes, an mfem::IntegrationRule ir, and mfem::Coefficient or mfem::VectorCoefficient Q for the elements given by the indices indices. The CeedOperatorInfo type is expected to inherit from OperatorInfo , and contain a Context type relevant to the qFunctions. More... | |
template<typename CeedOperatorInfo , typename CoeffType > | |
void | Assemble (CeedOperatorInfo &info, const mfem::FiniteElementSpace &trial_fes, const mfem::FiniteElementSpace &test_fes, const mfem::IntegrationRule &ir, CoeffType *Q) |
template<typename CeedOperatorInfo , typename CoeffType > | |
void | Assemble (CeedOperatorInfo &info, const mfem::FiniteElementSpace &trial_fes, const mfem::FiniteElementSpace &test_fes, const mfem::IntegrationRule &ir, int nelem, const int *indices, CoeffType *Q) |
virtual | ~PAIntegrator () |
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Operator (CeedOperator op) | |
This class takes ownership of op and will delete it. More... | |
void | Mult (const mfem::Vector &x, mfem::Vector &y) const override |
Operator application: y=A(x) . More... | |
void | AddMult (const mfem::Vector &x, mfem::Vector &y, const double a=1.0) const override |
Operator application: y+=A(x) (default) or y+=a*A(x) . More... | |
void | GetDiagonal (mfem::Vector &diag) const |
virtual | ~Operator () |
Virtual destructor. More... | |
CeedOperator & | GetCeedOperator () |
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void | InitTVectors (const Operator *Po, const Operator *Ri, const Operator *Pi, Vector &x, Vector &b, Vector &X, Vector &B) const |
Initializes memory for true vectors of linear system. More... | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0). More... | |
Operator (int h, int w) | |
Construct an Operator with the given height (output size) and width (input size). More... | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows(). More... | |
int | NumRows () const |
Get the number of rows (size of output) of the Operator. Synonym with Height(). More... | |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols(). More... | |
int | NumCols () const |
Get the number of columns (size of input) of the Operator. Synonym with Width(). More... | |
virtual MemoryClass | GetMemoryClass () const |
Return the MemoryClass preferred by the Operator. More... | |
virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator: y=A^t(x) . The default behavior in class Operator is to generate an error. More... | |
virtual void | AddMultTranspose (const Vector &x, Vector &y, const double a=1.0) const |
Operator transpose application: y+=A^t(x) (default) or y+=a*A^t(x) . More... | |
virtual void | ArrayMult (const Array< const Vector *> &X, Array< Vector *> &Y) const |
Operator application on a matrix: Y=A(X) . More... | |
virtual void | ArrayMultTranspose (const Array< const Vector *> &X, Array< Vector *> &Y) const |
Action of the transpose operator on a matrix: Y=A^t(X) . More... | |
virtual void | ArrayAddMult (const Array< const Vector *> &X, Array< Vector *> &Y, const double a=1.0) const |
Operator application on a matrix: Y+=A(X) (default) or Y+=a*A(X) . More... | |
virtual void | ArrayAddMultTranspose (const Array< const Vector *> &X, Array< Vector *> &Y, const double a=1.0) const |
Operator transpose application on a matrix: Y+=A^t(X) (default) or Y+=a*A^t(X) . More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More... | |
virtual void | AssembleDiagonal (Vector &diag) const |
Computes the diagonal entries into diag. Typically, this operation only makes sense for linear Operators. In some cases, only an approximation of the diagonal is computed. More... | |
virtual const Operator * | GetProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. NULL means identity. More... | |
virtual const Operator * | GetRestriction () const |
Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
virtual const Operator * | GetOutputProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to output vectors for the operator. NULL means identity. More... | |
virtual const Operator * | GetOutputRestrictionTranspose () const |
Transpose of GetOutputRestriction, directly available in this form to facilitate matrix-free RAP-type operators. More... | |
virtual const Operator * | GetOutputRestriction () const |
Restriction operator from output vectors for the operator to linear algebra (linear system) vectors. NULL means identity. More... | |
void | FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0) |
Form a constrained linear system using a matrix-free approach. More... | |
void | FormRectangularLinearSystem (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B) |
Form a column-constrained linear system using a matrix-free approach. More... | |
virtual void | RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x) |
Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem() or Operator::FormRectangularLinearSystem(). More... | |
void | FormSystemOperator (const Array< int > &ess_tdof_list, Operator *&A) |
Return in A a parallel (on truedofs) version of this square operator. More... | |
void | FormRectangularSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Operator *&A) |
Return in A a parallel (on truedofs) version of this rectangular operator (including constraints). More... | |
void | FormDiscreteOperator (Operator *&A) |
Return in A a parallel (on truedofs) version of this rectangular operator. More... | |
void | PrintMatlab (std::ostream &out, int n, int m=0) const |
Prints operator with input size n and output size m in Matlab format. More... | |
virtual void | PrintMatlab (std::ostream &out) const |
Prints operator in Matlab format. More... | |
Type | GetType () const |
Return the type ID of the Operator class. More... | |
Additional Inherited Members | |
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enum | DiagonalPolicy { DIAG_ZERO, DIAG_ONE, DIAG_KEEP } |
Defines operator diagonal policy upon elimination of rows and/or columns. More... | |
enum | Type { ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC, Complex_Operator, MFEM_ComplexSparseMat, Complex_Hypre_ParCSR, Complex_DenseMat, MFEM_Block_Matrix, MFEM_Block_Operator } |
Enumeration defining IDs for some classes derived from Operator. More... | |
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Operator () | |
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void | FormConstrainedSystemOperator (const Array< int > &ess_tdof_list, ConstrainedOperator *&Aout) |
see FormSystemOperator() More... | |
void | FormRectangularConstrainedSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, RectangularConstrainedOperator *&Aout) |
see FormRectangularSystemOperator() More... | |
Operator * | SetupRAP (const Operator *Pi, const Operator *Po) |
Returns RAP Operator of this, using input/output Prolongation matrices Pi corresponds to "P", Po corresponds to "Rt". More... | |
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CeedBasis | trial_basis |
CeedBasis | test_basis |
CeedBasis | mesh_basis |
CeedElemRestriction | trial_restr |
CeedElemRestriction | test_restr |
CeedElemRestriction | mesh_restr |
CeedElemRestriction | restr_i |
CeedQFunction | build_qfunc |
CeedQFunction | apply_qfunc |
CeedVector | node_coords |
CeedVector | qdata |
Coefficient * | coeff |
CeedQFunctionContext | build_ctx |
CeedOperator | build_oper |
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CeedOperator | oper |
CeedVector | u |
CeedVector | v |
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int | height |
Dimension of the output / number of rows in the matrix. More... | |
int | width |
Dimension of the input / number of columns in the matrix. More... | |
Represent a ConvectionIntegrator with AssemblyLevel::Partial using libCEED.
Definition at line 26 of file convection.hpp.
mfem::ceed::PAConvectionIntegrator::PAConvectionIntegrator | ( | const mfem::FiniteElementSpace & | fes, |
const mfem::IntegrationRule & | ir, | ||
mfem::VectorCoefficient * | Q, | ||
const double | alpha | ||
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Definition at line 50 of file convection.cpp.