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Pliris
Development
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Pliris: An Obect-Oriented Interface to a Dense LU Solver. More...
#include <Pliris.h>
Public Member Functions | |
| Pliris (Epetra_Vector *A, Epetra_MultiVector *X, Epetra_MultiVector *B) | |
| Pliris () | |
| Pliris Default constructor. | |
| int | SetLHS (Epetra_MultiVector *X) |
| Pliris LHS Set. More... | |
| int | SetRHS (Epetra_MultiVector *B) |
| Pliris RHS Set. More... | |
| int | SetMatrix (Epetra_Vector *A) |
| Pliris Matrix Set. More... | |
| int | SetMatrix (Epetra_SerialDenseVector *A) |
| Pliris Matrix Set. More... | |
| int | GetDistribution (int *nprocs_row, int *number_of_unknowns, int *nrhs, int *my_rows, int *my_cols, int *my_first_row, int *my_first_col, int *my_rhs, int *my_row, int *my_col) |
| Pliris GetDistirbution. More... | |
| int | FactorSolve (Epetra_Vector *A, int my_rows, int my_cols, int *matrix_size, int *num_procsr, int *num_rhs, double *secs) |
| Pliris FactorSolve. More... | |
| int | FactorSolve (Epetra_SerialDenseVector *AA, int my_rows, int my_cols, int *matrix_size, int *num_procsr, int *num_rhs, double *secs) |
| Pliris FactorSolve. More... | |
| int | Factor (Epetra_Vector *A, int *matrix_size, int *num_procsr, int *permute, double *secs) |
| Pliris Factor. More... | |
| int | Solve (int *permute, int *num_rhs) |
| Pliris Solve. More... | |
| virtual | ~Pliris (void) |
| Pliris Default Destructor. More... | |
Protected Attributes | |
| double * | x_ |
| double * | a_ |
| double * | b_ |
| int | x_LDA_ |
| int | b_LDA_ |
| bool | inConstructor_ |
| Epetra_MultiVector * | X_ |
| Epetra_MultiVector * | B_ |
| Epetra_Vector * | A_ |
| Epetra_SerialDenseVector * | AA_ |
Pliris: An Obect-Oriented Interface to a Dense LU Solver.
The Pliris class : Provides the functionality to interface to a dense LU
| int Pliris::Factor | ( | Epetra_Vector * | A, |
| int * | matrix_size, | ||
| int * | num_procsr, | ||
| int * | permute, | ||
| double * | secs | ||
| ) |
Pliris Factor.
Factors the dense matrix
| A(In) | – Epetra Vector that has the matrix packed |
| matrix_size(In) | – order of the dense matrix |
| num_procsr(In) | – number of processors for a row |
| permute(In) | – permutation matrix |
| secs(Out) | – factor and solve time in seconds |
References SetMatrix().
| int Pliris::FactorSolve | ( | Epetra_Vector * | A, |
| int | my_rows, | ||
| int | my_cols, | ||
| int * | matrix_size, | ||
| int * | num_procsr, | ||
| int * | num_rhs, | ||
| double * | secs | ||
| ) |
Pliris FactorSolve.
Factors and solves the dense matrix
| A(InOut) | – Epetra Vector that has the matrix and rhs packed( Note: matrix is overwritten) |
| my_rows(In) | – number of rows of the matrix on this processor |
| my_cols(In) | – number of columns of the matrix on this processor |
| matrix_size(In) | – order of the dense matrix |
| num_procsr(In) | – number of processors for a row |
| num_rhs(In) | – number of right hand sides |
| secs(Out) | – factor and solve time in seconds |
References SetMatrix().
| int Pliris::FactorSolve | ( | Epetra_SerialDenseVector * | AA, |
| int | my_rows, | ||
| int | my_cols, | ||
| int * | matrix_size, | ||
| int * | num_procsr, | ||
| int * | num_rhs, | ||
| double * | secs | ||
| ) |
Pliris FactorSolve.
Factors and solves the dense matrix
| AA(In) | – Epetra Serial Dense Vector that has the matrix and rhs packed |
| my_rows(In) | – number of rows of the matrix on this processor |
| my_cols(In) | – number of columns of the matrix on this processor |
| matrix_size(In) | – order of the dense matrix |
| num_procsr(In) | – number of processors for a row |
| num_rhs(In) | – number of right hand sides |
| secs(Out) | – factor and solve time in seconds |
References SetMatrix().
| int Pliris::GetDistribution | ( | int * | nprocs_row, |
| int * | number_of_unknowns, | ||
| int * | nrhs, | ||
| int * | my_rows, | ||
| int * | my_cols, | ||
| int * | my_first_row, | ||
| int * | my_first_col, | ||
| int * | my_rhs, | ||
| int * | my_row, | ||
| int * | my_col | ||
| ) |
Pliris GetDistirbution.
Gives the distribution information that is required by the dense solver
| nprocs_row(In) | - number of processors for a row |
| number_of_unknowns(In) | - order of the dense matrix |
| nrhs(In) | - number of right hand sides |
| my_rows(Out) | - number of rows of the matrix on this processor |
| my_cols | (Out) - number of columns of the matrix on this processor |
| my_first_row(Out) | - first (global) row number on this processor (array starts at index 1) |
| my_first_col | (Out) - first (global) column number on this processor (array starts at index 1) |
| my_rhs(Out) | - number of Right hand sides on this processor |
| my_row(Out) | - row number in processor mesh, 0 to the number of processors for a column -1 |
| my_col(Out) | - column number in processor mesh, 0 to the number of processors for a row -1 |
| int Pliris::SetLHS | ( | Epetra_MultiVector * | X | ) |
Pliris LHS Set.
Associates an already defined Epetra_MultiVector (or Epetra_Vector) as the initial guess and location where the solution will be return.
| int Pliris::SetMatrix | ( | Epetra_Vector * | A | ) |
Pliris Matrix Set.
Associates an already defined Epetra_Vector as the matrix (column ordered) of the linear system.
Referenced by Factor(), and FactorSolve().
| int Pliris::SetMatrix | ( | Epetra_SerialDenseVector * | A | ) |
Pliris Matrix Set.
Associates an already defined Epetra_SerialDenseVector as the matrix (column ordered) of the linear system.
| int Pliris::SetRHS | ( | Epetra_MultiVector * | B | ) |
Pliris RHS Set.
Associates an already defined Epetra_MultiVector (or Epetra_Vector) as the right-hand-side of the linear system.
| int Pliris::Solve | ( | int * | permute, |
| int * | num_rhs | ||
| ) |
Pliris Solve.
Solves the previously factored dense matrix
| permute(In) | – permutation matrix |
| num_rhs(In) | – factor and solve time in seconds \ Note that the matrix has been previously factored by Factor \ The RHS has been set by SetRHS(Epetra_MultiVector * B) \ On output the result is in the RHS |
1.8.5
