Actual source code: stimpl.h
1: /*
2: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3: SLEPc - Scalable Library for Eigenvalue Problem Computations
4: Copyright (c) 2002-2009, Universidad Politecnica de Valencia, Spain
6: This file is part of SLEPc.
7:
8: SLEPc is free software: you can redistribute it and/or modify it under the
9: terms of version 3 of the GNU Lesser General Public License as published by
10: the Free Software Foundation.
12: SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
13: WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14: FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
15: more details.
17: You should have received a copy of the GNU Lesser General Public License
18: along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
19: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
20: */
22: #ifndef _STIMPL
23: #define _STIMPL
25: #include slepceps.h
30: typedef struct _STOps *STOps;
32: struct _STOps {
33: PetscErrorCode (*setup)(ST);
34: PetscErrorCode (*apply)(ST,Vec,Vec);
35: PetscErrorCode (*getbilinearform)(ST,Mat*);
36: PetscErrorCode (*applytrans)(ST,Vec,Vec);
37: PetscErrorCode (*setshift)(ST,PetscScalar);
38: PetscErrorCode (*setfromoptions)(ST);
39: PetscErrorCode (*postsolve)(ST);
40: PetscErrorCode (*backtr)(ST,PetscScalar*,PetscScalar*);
41: PetscErrorCode (*destroy)(ST);
42: PetscErrorCode (*view)(ST,PetscViewer);
43: };
45: struct _p_ST {
46: PETSCHEADER(struct _STOps);
47: /*------------------------- User parameters --------------------------*/
48: Mat A,B; /* Matrices which define the eigensystem */
49: PetscScalar sigma; /* Value of the shift */
50: STMatMode shift_matrix;
51: MatStructure str; /* whether matrices have the same pattern or not */
52: Mat mat;
54: /*------------------------- Misc data --------------------------*/
55: KSP ksp;
56: Vec w;
57: void *data;
58: PetscInt setupcalled;
59: PetscInt lineariterations;
60: PetscInt applys;
61: PetscErrorCode (*checknullspace)(ST,PetscInt,const Vec[]);
62:
63: };
65: EXTERN PetscErrorCode STRegisterAll(char*);
67: EXTERN PetscErrorCode STGetBilinearForm_Default(ST,Mat*);
68: EXTERN PetscErrorCode STView_Default(ST,PetscViewer);
69: EXTERN PetscErrorCode STAssociatedKSPSolve(ST,Vec,Vec);
70: EXTERN PetscErrorCode STAssociatedKSPSolveTranspose(ST,Vec,Vec);
71: EXTERN PetscErrorCode STCheckNullSpace_Default(ST,PetscInt,const Vec[]);
72: EXTERN PetscErrorCode STMatShellCreate(ST st,Mat *mat);
74: #endif