ShyLU
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Main header file of ShyLU (Include main user calls) More...
#include "Epetra_CrsMatrix.h"
#include "Epetra_Map.h"
#include "Epetra_MultiVector.h"
#include "Epetra_LinearProblem.h"
#include "Epetra_SerialComm.h"
#include "Amesos_BaseSolver.h"
#include "Ifpack.h"
#include "Ifpack_Preconditioner.h"
#include "AztecOO.h"
#include "Isorropia_EpetraProber.hpp"
#include "shylu_symbolic.h"
#include "shylu_config.h"
#include "shylu_probing_operator.h"
#include "shylu_amesos_schur_operator.h"
#include <IQRSolver.h>
Go to the source code of this file.
Classes | |
struct | shylu_data |
Main data structure holding needed offset and temp variables. More... | |
Macros | |
#define | MIN(a, b) (((a) < (b)) ? a : b) |
#define | MAX(a, b) (((a) > (b)) ? a : b) |
Functions | |
int | shylu_factor (Epetra_CrsMatrix *A, shylu_symbolic *ssym, shylu_data *data, shylu_config *config) |
Main function call into ShylU. More... | |
int | shylu_symbolic_factor (Epetra_CrsMatrix *A, shylu_symbolic *ssym, shylu_data *data, shylu_config *config) |
Call symbolic factorization on matrix. More... | |
int | shylu_solve (shylu_symbolic *ssym, shylu_data *data, shylu_config *config, const Epetra_MultiVector &X, Epetra_MultiVector &Y) |
Call solve on multiple RHS. More... | |
Teuchos::RCP< Epetra_CrsMatrix > | computeApproxSchur (shylu_config *config, shylu_symbolic *ssym, Epetra_CrsMatrix *G, Epetra_CrsMatrix *R, Epetra_LinearProblem *LP, Amesos_BaseSolver *solver, Ifpack_Preconditioner *ifSolver, Epetra_CrsMatrix *C, Epetra_Map *localDRowMap) |
Compute an approximate Schur Complement (Narrow Sep) More... | |
Teuchos::RCP< Epetra_CrsMatrix > | computeApproxWideSchur (shylu_config *config, shylu_symbolic *ssym, Epetra_CrsMatrix *G, Epetra_CrsMatrix *R, Epetra_LinearProblem *LP, Amesos_BaseSolver *solver, Ifpack_Preconditioner *ifSolver, Epetra_CrsMatrix *C, Epetra_Map *localDRowMap) |
Compute an approximate Shur Complete (Wide Sep) More... | |
Teuchos::RCP< Epetra_CrsMatrix > | computeSchur_GuidedProbing (shylu_config *config, shylu_symbolic *ssym, shylu_data *data, Epetra_Map *localDRowMap) |
Compute an approximate Schur Complement using the option of Guided Probing. More... | |
Main header file of ShyLU (Include main user calls)
Definition in file shylu.h.
int shylu_factor | ( | Epetra_CrsMatrix * | A, |
shylu_symbolic * | ssym, | ||
shylu_data * | data, | ||
shylu_config * | config | ||
) |
Main function call into ShylU.
How to use?
Definition at line 842 of file shylu_factor.cpp.
References computeApproxSchur(), computeApproxWideSchur(), and computeSchur_GuidedProbing().
Referenced by Ifpack_ShyLU::Compute().
int shylu_symbolic_factor | ( | Epetra_CrsMatrix * | A, |
shylu_symbolic * | ssym, | ||
shylu_data * | data, | ||
shylu_config * | config | ||
) |
Call symbolic factorization on matrix.
Definition at line 525 of file shylu_factor.cpp.
Referenced by Ifpack_ShyLU::Initialize().
int shylu_solve | ( | shylu_symbolic * | ssym, |
shylu_data * | data, | ||
shylu_config * | config, | ||
const Epetra_MultiVector & | X, | ||
Epetra_MultiVector & | Y | ||
) |
Call solve on multiple RHS.
Definition at line 382 of file shylu_solve.cpp.
Referenced by Ifpack_ShyLU::ApplyInverse().
Teuchos::RCP<Epetra_CrsMatrix> computeApproxSchur | ( | shylu_config * | config, |
shylu_symbolic * | ssym, | ||
Epetra_CrsMatrix * | G, | ||
Epetra_CrsMatrix * | R, | ||
Epetra_LinearProblem * | LP, | ||
Amesos_BaseSolver * | solver, | ||
Ifpack_Preconditioner * | ifSolver, | ||
Epetra_CrsMatrix * | C, | ||
Epetra_Map * | localDRowMap | ||
) |
Compute an approximate Schur Complement (Narrow Sep)
Computate an approximate Schur Complement either using ...
Definition at line 56 of file shylu_schur.cpp.
Referenced by shylu_factor().
Teuchos::RCP<Epetra_CrsMatrix> computeApproxWideSchur | ( | shylu_config * | config, |
shylu_symbolic * | ssym, | ||
Epetra_CrsMatrix * | G, | ||
Epetra_CrsMatrix * | R, | ||
Epetra_LinearProblem * | LP, | ||
Amesos_BaseSolver * | solver, | ||
Ifpack_Preconditioner * | ifSolver, | ||
Epetra_CrsMatrix * | C, | ||
Epetra_Map * | localDRowMap | ||
) |
Compute an approximate Shur Complete (Wide Sep)
Compute an approximate Schur Complement based on a wide seperator. Options include ...
Definition at line 249 of file shylu_schur.cpp.
References computeSchur_GuidedProbing().
Referenced by shylu_factor().
Teuchos::RCP<Epetra_CrsMatrix> computeSchur_GuidedProbing | ( | shylu_config * | config, |
shylu_symbolic * | ssym, | ||
shylu_data * | data, | ||
Epetra_Map * | localDRowMap | ||
) |
Compute an approximate Schur Complement using the option of Guided Probing.
Compute an approximate Schur Complement based on probing of important nonzero values.
Definition at line 534 of file shylu_schur.cpp.
Referenced by computeApproxWideSchur(), and shylu_factor().