Actual source code: slepcst.h
slepc-3.7.0 2016-05-16
1: /*
2: Spectral transformation module for eigenvalue problems.
4: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
5: SLEPc - Scalable Library for Eigenvalue Problem Computations
6: Copyright (c) 2002-2016, Universitat Politecnica de Valencia, Spain
8: This file is part of SLEPc.
10: SLEPc is free software: you can redistribute it and/or modify it under the
11: terms of version 3 of the GNU Lesser General Public License as published by
12: the Free Software Foundation.
14: SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
15: WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
16: FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
17: more details.
19: You should have received a copy of the GNU Lesser General Public License
20: along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
21: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
22: */
26: #include <slepcsys.h>
27: #include <slepcbv.h>
28: #include <petscksp.h>
30: PETSC_EXTERN PetscErrorCode STInitializePackage(void);
32: /*S
33: ST - Abstract SLEPc object that manages spectral transformations.
34: This object is accessed only in advanced applications.
36: Level: beginner
38: .seealso: STCreate(), EPS
39: S*/
40: typedef struct _p_ST* ST;
42: /*J
43: STType - String with the name of a SLEPc spectral transformation
45: Level: beginner
47: .seealso: STSetType(), ST
48: J*/
49: typedef const char* STType;
50: #define STSHELL "shell"
51: #define STSHIFT "shift"
52: #define STSINVERT "sinvert"
53: #define STCAYLEY "cayley"
54: #define STPRECOND "precond"
56: /* Logging support */
57: PETSC_EXTERN PetscClassId ST_CLASSID;
59: PETSC_EXTERN PetscErrorCode STCreate(MPI_Comm,ST*);
60: PETSC_EXTERN PetscErrorCode STDestroy(ST*);
61: PETSC_EXTERN PetscErrorCode STReset(ST);
62: PETSC_EXTERN PetscErrorCode STSetType(ST,STType);
63: PETSC_EXTERN PetscErrorCode STGetType(ST,STType*);
64: PETSC_EXTERN PetscErrorCode STSetOperators(ST,PetscInt,Mat*);
65: PETSC_EXTERN PetscErrorCode STGetOperators(ST,PetscInt,Mat*);
66: PETSC_EXTERN PetscErrorCode STGetTOperators(ST,PetscInt,Mat*);
67: PETSC_EXTERN PetscErrorCode STGetNumMatrices(ST,PetscInt*);
68: PETSC_EXTERN PetscErrorCode STSetUp(ST);
69: PETSC_EXTERN PetscErrorCode STSetFromOptions(ST);
70: PETSC_EXTERN PetscErrorCode STView(ST,PetscViewer);
72: PETSC_EXTERN PetscErrorCode STApply(ST,Vec,Vec);
73: PETSC_EXTERN PetscErrorCode STMatMult(ST,PetscInt,Vec,Vec);
74: PETSC_EXTERN PetscErrorCode STMatMultTranspose(ST,PetscInt,Vec,Vec);
75: PETSC_EXTERN PetscErrorCode STMatSolve(ST,Vec,Vec);
76: PETSC_EXTERN PetscErrorCode STMatSolveTranspose(ST,Vec,Vec);
77: PETSC_EXTERN PetscErrorCode STGetBilinearForm(ST,Mat*);
78: PETSC_EXTERN PetscErrorCode STApplyTranspose(ST,Vec,Vec);
79: PETSC_EXTERN PetscErrorCode STComputeExplicitOperator(ST,Mat*);
80: PETSC_EXTERN PetscErrorCode STMatSetUp(ST,PetscScalar,PetscScalar*);
81: PETSC_EXTERN PetscErrorCode STPostSolve(ST);
83: PETSC_EXTERN PetscErrorCode STSetKSP(ST,KSP);
84: PETSC_EXTERN PetscErrorCode STGetKSP(ST,KSP*);
85: PETSC_EXTERN PetscErrorCode STSetShift(ST,PetscScalar);
86: PETSC_EXTERN PetscErrorCode STGetShift(ST,PetscScalar*);
87: PETSC_EXTERN PetscErrorCode STSetDefaultShift(ST,PetscScalar);
88: PETSC_EXTERN PetscErrorCode STScaleShift(ST,PetscScalar);
89: PETSC_EXTERN PetscErrorCode STSetBalanceMatrix(ST,Vec);
90: PETSC_EXTERN PetscErrorCode STGetBalanceMatrix(ST,Vec*);
91: PETSC_EXTERN PetscErrorCode STSetTransform(ST,PetscBool);
92: PETSC_EXTERN PetscErrorCode STGetTransform(ST,PetscBool*);
94: PETSC_EXTERN PetscErrorCode STSetOptionsPrefix(ST,const char*);
95: PETSC_EXTERN PetscErrorCode STAppendOptionsPrefix(ST,const char*);
96: PETSC_EXTERN PetscErrorCode STGetOptionsPrefix(ST,const char*[]);
98: PETSC_EXTERN PetscErrorCode STBackTransform(ST,PetscInt,PetscScalar*,PetscScalar*);
100: PETSC_EXTERN PetscErrorCode STCheckNullSpace(ST,BV);
102: PETSC_EXTERN PetscErrorCode STMatCreateVecs(ST,Vec*,Vec*);
103: PETSC_EXTERN PetscErrorCode STMatGetSize(ST,PetscInt*,PetscInt*);
104: PETSC_EXTERN PetscErrorCode STMatGetLocalSize(ST,PetscInt*,PetscInt*);
106: /*E
107: STMatMode - Determines how to handle the coefficient matrix associated
108: to the spectral transformation
110: Level: intermediate
112: .seealso: STSetMatMode(), STGetMatMode()
113: E*/
114: typedef enum { ST_MATMODE_COPY,
115: ST_MATMODE_INPLACE,
116: ST_MATMODE_SHELL } STMatMode;
117: PETSC_EXTERN PetscErrorCode STSetMatMode(ST,STMatMode);
118: PETSC_EXTERN PetscErrorCode STGetMatMode(ST,STMatMode*);
119: PETSC_EXTERN PetscErrorCode STSetMatStructure(ST,MatStructure);
120: PETSC_EXTERN PetscErrorCode STGetMatStructure(ST,MatStructure*);
122: PETSC_EXTERN PetscFunctionList STList;
123: PETSC_EXTERN PetscErrorCode STRegister(const char[],PetscErrorCode(*)(ST));
125: /* --------- options specific to particular spectral transformations-------- */
127: PETSC_EXTERN PetscErrorCode STShellGetContext(ST st,void **ctx);
128: PETSC_EXTERN PetscErrorCode STShellSetContext(ST st,void *ctx);
129: PETSC_EXTERN PetscErrorCode STShellSetApply(ST st,PetscErrorCode (*apply)(ST,Vec,Vec));
130: PETSC_EXTERN PetscErrorCode STShellSetApplyTranspose(ST st,PetscErrorCode (*applytrans)(ST,Vec,Vec));
131: PETSC_EXTERN PetscErrorCode STShellSetBackTransform(ST st,PetscErrorCode (*backtr)(ST,PetscInt,PetscScalar*,PetscScalar*));
133: PETSC_EXTERN PetscErrorCode STCayleyGetAntishift(ST,PetscScalar*);
134: PETSC_EXTERN PetscErrorCode STCayleySetAntishift(ST,PetscScalar);
136: PETSC_EXTERN PetscErrorCode STPrecondGetMatForPC(ST,Mat*);
137: PETSC_EXTERN PetscErrorCode STPrecondSetMatForPC(ST,Mat);
138: PETSC_EXTERN PetscErrorCode STPrecondGetKSPHasMat(ST,PetscBool*);
139: PETSC_EXTERN PetscErrorCode STPrecondSetKSPHasMat(ST,PetscBool);
141: #endif