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    GEOS
    
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Common interface for null (zero) preconditioning operator. More...
#include <PreconditionerNull.hpp>

Public Types | |
| using | Base = PreconditionerBase< LAI > | 
| Alias for base type.  | |
| using | Vector = typename Base::Vector | 
| Alias for vector type.  | |
| using | Matrix = typename Base::Matrix | 
| Alias for matrix type.  | |
  Public Types inherited from geos::PreconditionerBase< LAI > | |
| using | Base = LinearOperator< typename LAI::ParallelVector > | 
| Alias for base type.  | |
| using | Vector = typename Base::Vector | 
| Alias for vector type.  | |
| using | Matrix = typename LAI::ParallelMatrix | 
| Alias for matrix type.  | |
  Public Types inherited from geos::LinearOperator< LAI::ParallelVector > | |
| using | Vector = LAI::ParallelVector | 
| Alias for template parameter.  | |
Public Member Functions | |
| virtual void | apply (Vector const &src, Vector &dst) const override | 
| Apply operator to a vector.  More... | |
  Public Member Functions inherited from geos::PreconditionerBase< LAI > | |
| virtual void | setup (Matrix const &mat) | 
| Compute the preconditioner from a matrix.  More... | |
| virtual void | clear () | 
| Clean up the preconditioner setup.  More... | |
| virtual globalIndex | numGlobalRows () const override | 
| Get the number of global rows.  More... | |
| virtual globalIndex | numGlobalCols () const override | 
| Get the number of global columns.  More... | |
| virtual localIndex | numLocalRows () const override | 
| Get the number of local rows.  More... | |
| virtual localIndex | numLocalCols () const override | 
| Get the number of local columns.  More... | |
| virtual MPI_Comm | comm () const override | 
| Get the MPI communicator the matrix was created with.  More... | |
| bool | ready () const | 
| Chech if preconditioner is ready to use.  More... | |
| Matrix const & | matrix () const | 
| Access the matrix the preconditioner was computed from.  More... | |
| virtual bool | hasPreconditionerMatrix () const | 
| Check whether the preconditioner is available in matrix (explicit) form.  More... | |
| virtual Matrix const & | preconditionerMatrix () const | 
| Access the preconditioner in matrix form (whenever available). It must be overridden by the specific preconditioner.  More... | |
  Public Member Functions inherited from geos::LinearOperator< LAI::ParallelVector > | |
| LinearOperator ()=default | |
| Constructor.  | |
| virtual | ~LinearOperator ()=default | 
| Destructor.  | |
| virtual void | apply (Vector const &src, Vector &dst) const=0 | 
Apply operator to a vector, dst = this(src).  More... | |
| virtual void | residual (Vector const &x, Vector const &b, Vector &r) const | 
Compute residual r = b - this(x).  More... | |
| virtual globalIndex | numGlobalNonzeros () const | 
| virtual localIndex | numLocalNonzeros () const | 
Common interface for null (zero) preconditioning operator.
| LAI | linear algebra interface providing vectors, matrices and solvers | 
Definition at line 32 of file PreconditionerNull.hpp.
      
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  inlineoverridevirtual | 
Apply operator to a vector.
| src | Input vector (src). | 
| dst | Output vector (dst). | 
Definition at line 51 of file PreconditionerNull.hpp.