ILU(0) Preconditioner for matrices of CRDoubleMatrix Format. More...
#include <general_purpose_preconditioners.h>
 Inheritance diagram for oomph::ILUZeroPreconditioner< CRDoubleMatrix >:
 Inheritance diagram for oomph::ILUZeroPreconditioner< CRDoubleMatrix >:| Public Member Functions | |
| ILUZeroPreconditioner () | |
| Constructor (empty)  More... | |
| ILUZeroPreconditioner (const ILUZeroPreconditioner &) | |
| Broken copy constructor.  More... | |
| void | operator= (const ILUZeroPreconditioner &) | 
| Broken assignment operator.  More... | |
| ~ILUZeroPreconditioner () | |
| Destructor (empty)  More... | |
| void | preconditioner_solve (const DoubleVector &r, DoubleVector &z) | 
| Apply preconditioner to r.  More... | |
| void | setup () | 
| Setup the preconditioner (store diagonal) from the fully assembled matrix. Problem pointer is ignored.  More... | |
|  Public Member Functions inherited from oomph::Preconditioner | |
| Preconditioner () | |
| Constructor.  More... | |
| Preconditioner (const Preconditioner &) | |
| Broken copy constructor.  More... | |
| void | operator= (const Preconditioner &) | 
| Broken assignment operator.  More... | |
| virtual | ~Preconditioner () | 
| Destructor (empty)  More... | |
| void | setup (DoubleMatrixBase *matrix_pt) | 
| Setup the preconditioner: store the matrix pointer and the communicator pointer then call preconditioner specific setup() function.  More... | |
| void | setup (const Problem *problem_pt, DoubleMatrixBase *matrix_pt) | 
| Compatability layer for old preconditioners where problem pointers were needed. The problem pointer is only used to get a communicator pointer.  More... | |
| virtual void | clean_up_memory () | 
| Clean up memory (empty). Generic interface function.  More... | |
| virtual DoubleMatrixBase * | matrix_pt () const | 
| Get function for matrix pointer.  More... | |
| virtual void | set_matrix_pt (DoubleMatrixBase *matrix_pt) | 
| Set the matrix pointer.  More... | |
| virtual const OomphCommunicator * | comm_pt () const | 
| Get function for comm pointer.  More... | |
| virtual void | set_comm_pt (const OomphCommunicator *const comm_pt) | 
| Set the communicator pointer.  More... | |
| double | setup_time () const | 
| Returns the time to setup the preconditioner.  More... | |
| virtual void | turn_into_subsidiary_block_preconditioner (BlockPreconditioner< CRDoubleMatrix > *master_block_prec_pt, const Vector< unsigned > &doftype_in_master_preconditioner_coarse) | 
| virtual void | turn_into_subsidiary_block_preconditioner (BlockPreconditioner< CRDoubleMatrix > *master_block_prec_pt, const Vector< unsigned > &doftype_in_master_preconditioner_coarse, const Vector< Vector< unsigned > > &doftype_coarsen_map_coarse) | 
|  Public Member Functions inherited from oomph::DistributableLinearAlgebraObject | |
| DistributableLinearAlgebraObject () | |
| Default constructor - create a distribution.  More... | |
| DistributableLinearAlgebraObject (const DistributableLinearAlgebraObject &matrix) | |
| Broken copy constructor.  More... | |
| void | operator= (const DistributableLinearAlgebraObject &) | 
| Broken assignment operator.  More... | |
| virtual | ~DistributableLinearAlgebraObject () | 
| Destructor.  More... | |
| LinearAlgebraDistribution * | distribution_pt () const | 
| access to the LinearAlgebraDistribution  More... | |
| unsigned | nrow () const | 
| access function to the number of global rows.  More... | |
| unsigned | nrow_local () const | 
| access function for the num of local rows on this processor.  More... | |
| unsigned | nrow_local (const unsigned &p) const | 
| access function for the num of local rows on this processor.  More... | |
| unsigned | first_row () const | 
| access function for the first row on this processor  More... | |
| unsigned | first_row (const unsigned &p) const | 
| access function for the first row on this processor  More... | |
| bool | distributed () const | 
| distribution is serial or distributed  More... | |
| bool | distribution_built () const | 
| void | build_distribution (const LinearAlgebraDistribution *const dist_pt) | 
| setup the distribution of this distributable linear algebra object  More... | |
| void | build_distribution (const LinearAlgebraDistribution &dist) | 
| setup the distribution of this distributable linear algebra object  More... | |
| Private Attributes | |
| Vector< unsigned > | U_row_start | 
| Row start for upper triangular matrix.  More... | |
| Vector< CompressedMatrixCoefficient > | U_row_entry | 
| column entry for the upper triangular matrix (each element of the vector contains the column index and coefficient)  More... | |
| Vector< unsigned > | L_row_start | 
| Row start for lower triangular matrix.  More... | |
| Vector< CompressedMatrixCoefficient > | L_row_entry | 
| column entry for the lower triangular matrix (each element of the vector contains the column index and coefficient)  More... | |
| Additional Inherited Members | |
|  Protected Member Functions inherited from oomph::DistributableLinearAlgebraObject | |
| void | clear_distribution () | 
| clear the distribution of this distributable linear algebra object  More... | |
ILU(0) Preconditioner for matrices of CRDoubleMatrix Format.
Definition at line 340 of file general_purpose_preconditioners.h.
| 
 | inline | 
Constructor (empty)
Definition at line 346 of file general_purpose_preconditioners.h.
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 | inline | 
Broken copy constructor.
Definition at line 350 of file general_purpose_preconditioners.h.
References oomph::BrokenCopy::broken_copy().
| 
 | inline | 
Destructor (empty)
Definition at line 362 of file general_purpose_preconditioners.h.
References oomph::MatrixBasedDiagPreconditioner::preconditioner_solve(), and oomph::MatrixBasedDiagPreconditioner::setup().
| 
 | inline | 
Broken assignment operator.
Definition at line 356 of file general_purpose_preconditioners.h.
References oomph::BrokenCopy::broken_assign().
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 | virtual | 
Apply preconditioner to r.
Apply ILU(0) preconditioner for CRDoubleMatrix: Solve Ly=r then Uz=y and return z.
Implements oomph::Preconditioner.
Definition at line 677 of file general_purpose_preconditioners.cc.
References oomph::DoubleVector::built(), oomph::LinearAlgebraDistribution::distributed(), oomph::DistributableLinearAlgebraObject::distribution_pt(), i, oomph::DistributableLinearAlgebraObject::nrow(), and t.
| 
 | virtual | 
Setup the preconditioner (store diagonal) from the fully assembled matrix. Problem pointer is ignored.
setup ILU(0) preconditioner for Matrices of CRDoubleMatrix Type
Implements oomph::Preconditioner.
Definition at line 472 of file general_purpose_preconditioners.cc.
References oomph::DistributableLinearAlgebraObject::build_distribution(), oomph::CRDoubleMatrix::column_index(), oomph::DistributableLinearAlgebraObject::distributed(), oomph::DistributableLinearAlgebraObject::distribution_pt(), oomph::CRDoubleMatrix::global_matrix(), i, oomph::Preconditioner::matrix_pt(), oomph::CRDoubleMatrix::nrow(), oomph::CRDoubleMatrix::row_start(), and oomph::CRDoubleMatrix::value().
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 | private | 
column entry for the lower triangular matrix (each element of the vector contains the column index and coefficient)
Definition at line 387 of file general_purpose_preconditioners.h.
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 | private | 
Row start for lower triangular matrix.
Definition at line 383 of file general_purpose_preconditioners.h.
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 | private | 
column entry for the upper triangular matrix (each element of the vector contains the column index and coefficient)
Definition at line 380 of file general_purpose_preconditioners.h.
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 | private | 
Row start for upper triangular matrix.
Definition at line 376 of file general_purpose_preconditioners.h.