/[escript]/trunk/paso/src/Solver.h
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revision 430 by gross, Wed Jan 11 06:40:50 2006 UTC revision 633 by dhawcroft, Thu Mar 23 05:37:00 2006 UTC
# Line 1  Line 1 
1  /* $Id$ */  /* $Id$ */
2    
3    /*
4    ********************************************************************************
5    *               Copyright   2006 by ACcESS MNRF                                *
6    *                                                                              *
7    *                 http://www.access.edu.au                                     *
8    *           Primary Business: Queensland, Australia                            *
9    *     Licensed under the Open Software License version 3.0             *
10    *        http://www.opensource.org/licenses/osl-3.0.php                        *
11    ********************************************************************************
12    */
13    
14  #ifndef INC_SOLVER  #ifndef INC_SOLVER
15  #define INC_SOLVER  #define INC_SOLVER
16    
17  #include "SystemMatrix.h"  #include "SystemMatrix.h"
18    #include "performance.h"
19    
20  #define FINLEY_SOLVER_TRACE  #define FINLEY_SOLVER_TRACE
21  /* error codes used in the solver */  /* error codes used in the solver */
# Line 19  static double TOLERANCE_FOR_SCALARS=0.; Line 31  static double TOLERANCE_FOR_SCALARS=0.;
31    
32  /* ILU preconditioner */  /* ILU preconditioner */
33  struct Paso_Solver_ILU {  struct Paso_Solver_ILU {
   dim_t n;  
34    dim_t n_block;    dim_t n_block;
35    dim_t n_F;    dim_t n;
36    dim_t n_C;    index_t num_colors;
37    double* inv_A_FF;    index_t* colorOf;
38    index_t* A_FF_pivot;    index_t* main_iptr;
39    Paso_SystemMatrix * A_FC;    double* factors;
40    Paso_SystemMatrix * A_CF;    Paso_SystemMatrixPattern* pattern;
   index_t* rows_in_F;  
   index_t* rows_in_C;  
   index_t* mask_F;  
   index_t* mask_C;  
   double* x_F;  
   double* b_F;  
   double* x_C;  
   double* b_C;  
   struct Paso_Solver_ILU * ILU_of_Schur;  
41  };  };
42  typedef struct Paso_Solver_ILU Paso_Solver_ILU;  typedef struct Paso_Solver_ILU Paso_Solver_ILU;
43    
# Line 83  typedef struct Paso_Solver_Preconditione Line 85  typedef struct Paso_Solver_Preconditione
85    Paso_Solver_RILU* rilu;    Paso_Solver_RILU* rilu;
86  } Paso_Solver_Preconditioner;  } Paso_Solver_Preconditioner;
87    
88  void Paso_Solver(Paso_SystemMatrix*,double*,double*,Paso_Options*);  void Paso_Solver(Paso_SystemMatrix*,double*,double*,Paso_Options*,Paso_Performance* pp);
89  void Paso_Solver_free(Paso_SystemMatrix*);  void Paso_Solver_free(Paso_SystemMatrix*);
90  err_t Paso_Solver_BiCGStab( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance);  err_t Paso_Solver_BiCGStab( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance,Paso_Performance* pp);
91  err_t Paso_Solver_PCG( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance);  err_t Paso_Solver_PCG( Paso_SystemMatrix * A, double* B, double * X, dim_t *iter, double * tolerance,Paso_Performance* pp);
92  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);  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);
93  void Paso_Preconditioner_free(Paso_Solver_Preconditioner*);  void Paso_Preconditioner_free(Paso_Solver_Preconditioner*);
94  void Paso_Solver_setPreconditioner(Paso_SystemMatrix* A,Paso_Options* options);  void Paso_Solver_setPreconditioner(Paso_SystemMatrix* A,Paso_Options* options);
95  void Paso_Solver_solvePreconditioner(Paso_SystemMatrix* A,double*,double*);  void Paso_Solver_solvePreconditioner(Paso_SystemMatrix* A,double*,double*);
96  void Paso_Solver_applyBlockDiagonalMatrix(dim_t n_block,dim_t n,double* D,index_t* pivot,double* x,double* b);  void Paso_Solver_applyBlockDiagonalMatrix(dim_t n_block,dim_t n,double* D,index_t* pivot,double* x,double* b);
97    
98  void Paso_Solver_ILU_free(Paso_Solver_ILU * in);  void Paso_Solver_ILU_free(Paso_Solver_ILU * in);
99  Paso_Solver_ILU* Paso_Solver_getILU(Paso_SystemMatrix * A_p,bool_t verbose);  Paso_Solver_ILU* Paso_Solver_getILU(Paso_SystemMatrix * A_p,bool_t verbose);
100  void Paso_Solver_solveILU(Paso_Solver_ILU * ilu, double * x, double * b);  void Paso_Solver_solveILU(Paso_Solver_ILU * ilu, double * x, double * b);
101  void Paso_Solver_updateIncompleteSchurComplement(Paso_SystemMatrix* A_CC,Paso_SystemMatrix *A_CF,double* invA_FF,index_t* A_FF_pivot,Paso_SystemMatrix *A_FC);  
102    void Paso_Solver_RILU_free(Paso_Solver_RILU * in);
103    Paso_Solver_RILU* Paso_Solver_getRILU(Paso_SystemMatrix * A_p,bool_t verbose);
104    void Paso_Solver_solveRILU(Paso_Solver_RILU * rilu, double * x, double * b);
105    
106    void Paso_Solver_updateIncompleteSchurComplement(Paso_SystemMatrix* A_CC,Paso_SystemMatrix *A_CF,double*
107    invA_FF,index_t* A_FF_pivot,Paso_SystemMatrix *A_FC);
108  Paso_Solver_Jacobi* Paso_Solver_getJacobi(Paso_SystemMatrix * A_p);  Paso_Solver_Jacobi* Paso_Solver_getJacobi(Paso_SystemMatrix * A_p);
109  void Paso_Solver_solveJacobi(Paso_Solver_Jacobi * prec, double * x, double * b);  void Paso_Solver_solveJacobi(Paso_Solver_Jacobi * prec, double * x, double * b);
110  void Paso_Solver_Jacobi_free(Paso_Solver_Jacobi * in);  void Paso_Solver_Jacobi_free(Paso_Solver_Jacobi * in);

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