MFEM
v3.2
Finite element discretization library
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Base class for solvers. More...
#include <operator.hpp>
Public Member Functions | |
Solver (int s=0, bool iter_mode=false) | |
Solver (int h, int w, bool iter_mode=false) | |
Initialize a Solver with height 'h' and width 'w'. More... | |
virtual void | SetOperator (const Operator &op)=0 |
Set/update the solver for the given operator. More... | |
Public Member Functions inherited from mfem::Operator | |
Operator (int s=0) | |
Construct a square Operator with given size s (default 0) More... | |
Operator (int h, int w) | |
int | Height () const |
Get the height (size of output) of the Operator. Synonym with NumRows. More... | |
int | NumRows () const |
int | Width () const |
Get the width (size of input) of the Operator. Synonym with NumCols. More... | |
int | NumCols () const |
virtual void | Mult (const Vector &x, Vector &y) const =0 |
Operator application. More... | |
virtual void | MultTranspose (const Vector &x, Vector &y) const |
Action of the transpose operator. More... | |
virtual Operator & | GetGradient (const Vector &x) const |
Evaluate the gradient operator at the point x. More... | |
void | PrintMatlab (std::ostream &out, int n=0, int m=0) const |
Prints operator with input size n and output size m in matlab format. More... | |
virtual | ~Operator () |
Public Attributes | |
bool | iterative_mode |
If true, use the second argument of Mult as an initial guess. More... | |
Additional Inherited Members | |
Protected Attributes inherited from mfem::Operator | |
int | height |
int | width |
Base class for solvers.
Definition at line 102 of file operator.hpp.
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inlineexplicit |
Initialize a square Solver with size 's'. WARNING: use a boolean expression for the second parameter (not an int) to distinguish this call from the general rectangular constructor.
Definition at line 111 of file operator.hpp.
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inline |
Initialize a Solver with height 'h' and width 'w'.
Definition at line 115 of file operator.hpp.
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pure virtual |
Set/update the solver for the given operator.
Implemented in mfem::HypreBoomerAMG, mfem::HypreSolver, mfem::HypreSmoother, mfem::DenseMatrixInverse, mfem::KLUSolver, mfem::UMFPackSolver, mfem::SLBQPOptimizer, mfem::NewtonSolver, mfem::MINRESSolver, mfem::BiCGSTABSolver, mfem::BlockDiagonalPreconditioner, mfem::CGSolver, mfem::SuperLUSolver, mfem::SLISolver, mfem::IterativeSolver, and mfem::SparseSmoother.
bool mfem::Solver::iterative_mode |
If true, use the second argument of Mult as an initial guess.
Definition at line 106 of file operator.hpp.