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/* $Id$ */ |
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/******************************************************* |
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* |
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* Copyright 2003-2007 by ACceSS MNRF |
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* Copyright 2007 by University of Queensland |
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* |
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* http://esscc.uq.edu.au |
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* Primary Business: Queensland, Australia |
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* Licensed under the Open Software License version 3.0 |
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* http://www.opensource.org/licenses/osl-3.0.php |
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* |
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*******************************************************/ |
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#ifndef INC_SOLVER |
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#define INC_SOLVER |
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#include "SystemMatrix.h" |
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#include "performance.h" |
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|
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#define PASO_TRACE |
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/* error codes used in the solver */ |
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#define SOLVER_NO_ERROR 0 |
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#define SOLVER_MAXITER_REACHED 1 |
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#define SOLVER_INPUT_ERROR -1 |
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#define SOLVER_MEMORY_ERROR -9 |
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#define SOLVER_BREAKDOWN -10 |
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|
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static double ONE=1.; |
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static double ZERO=0.; |
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static double TOLERANCE_FOR_SCALARS=0.; |
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|
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/* ILU preconditioner */ |
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struct Paso_Solver_ILU { |
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dim_t n_block; |
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dim_t n; |
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index_t num_colors; |
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index_t* colorOf; |
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index_t* main_iptr; |
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double* factors; |
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Paso_Pattern* pattern; |
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}; |
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typedef struct Paso_Solver_ILU Paso_Solver_ILU; |
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|
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/* RILU preconditioner */ |
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struct Paso_Solver_RILU { |
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dim_t n; |
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dim_t n_block; |
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dim_t n_F; |
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dim_t n_C; |
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double* inv_A_FF; |
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index_t* A_FF_pivot; |
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Paso_SparseMatrix * A_FC; |
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Paso_SparseMatrix * A_CF; |
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index_t* rows_in_F; |
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index_t* rows_in_C; |
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index_t* mask_F; |
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index_t* mask_C; |
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double* x_F; |
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double* b_F; |
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double* x_C; |
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double* b_C; |
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struct Paso_Solver_RILU * RILU_of_Schur; |
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}; |
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typedef struct Paso_Solver_RILU Paso_Solver_RILU; |
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/* jacobi preconditioner */ |
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typedef struct Paso_Solver_Jacobi { |
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dim_t n_block; |
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dim_t n; |
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double* values; |
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index_t* pivot; |
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} Paso_Solver_Jacobi; |
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|
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/* general preconditioner interface */ |
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typedef struct Paso_Solver_Preconditioner { |
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dim_t type; |
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/* jacobi preconditioner */ |
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Paso_Solver_Jacobi* jacobi; |
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/* ilu preconditioner */ |
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Paso_Solver_ILU* ilu; |
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/* ilu preconditioner */ |
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Paso_Solver_RILU* rilu; |
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} Paso_Solver_Preconditioner; |
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void Paso_Solver(Paso_SystemMatrix*,double*,double*,Paso_Options*,Paso_Performance* pp); |
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void Paso_Solver_free(Paso_SystemMatrix*); |
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err_t Paso_Solver_BiCGStab( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance, Paso_Performance* pp); |
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err_t Paso_Solver_PCG( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance, Paso_Performance* pp); |
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err_t Paso_Solver_GMRES(Paso_SystemMatrix * A, double * r, double * x, dim_t *num_iter, double * tolerance,dim_t length_of_recursion,dim_t restart, Paso_Performance* pp); |
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void Paso_Preconditioner_free(Paso_Solver_Preconditioner*); |
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void Paso_Solver_setPreconditioner(Paso_SystemMatrix* A,Paso_Options* options); |
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void Paso_Solver_solvePreconditioner(Paso_SystemMatrix* A,double*,double*); |
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void Paso_Solver_applyBlockDiagonalMatrix(dim_t n_block,dim_t n,double* D,index_t* pivot,double* x,double* b); |
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void Paso_Solver_ILU_free(Paso_Solver_ILU * in); |
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Paso_Solver_ILU* Paso_Solver_getILU(Paso_SparseMatrix * A_p,bool_t verbose); |
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void Paso_Solver_solveILU(Paso_Solver_ILU * ilu, double * x, double * b); |
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void Paso_Solver_RILU_free(Paso_Solver_RILU * in); |
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Paso_Solver_RILU* Paso_Solver_getRILU(Paso_SparseMatrix * A_p,bool_t verbose); |
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void Paso_Solver_solveRILU(Paso_Solver_RILU * rilu, double * x, double * b); |
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void Paso_Solver_updateIncompleteSchurComplement(Paso_SparseMatrix* A_CC, Paso_SparseMatrix *A_CF,double* invA_FF,index_t* A_FF_pivot, Paso_SparseMatrix *A_FC); |
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Paso_Solver_Jacobi* Paso_Solver_getJacobi(Paso_SparseMatrix * A_p); |
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void Paso_Solver_solveJacobi(Paso_Solver_Jacobi * prec, double * x, double * b); |
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void Paso_Solver_Jacobi_free(Paso_Solver_Jacobi * in); |
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#endif /* #ifndef INC_SOLVER */ |
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