1 /* $Id: petscts.h,v 1.47 2001/08/06 15:42:42 bsmith Exp $ */ 2 /* 3 User interface for the timestepping package. This is package 4 is for use in solving time-dependent PDEs. 5 */ 6 #if !defined(__PETSCTS_H) 7 #define __PETSCTS_H 8 #include "petscsnes.h" 9 10 /*S 11 TS - Abstract PETSc object that manages all time-steppers (ODE integrators) 12 13 Level: beginner 14 15 Concepts: ODE solvers 16 17 .seealso: TSCreate(), TSSetType(), TSType, SNES, SLES, KSP, PC 18 S*/ 19 typedef struct _p_TS* TS; 20 21 /*E 22 TSType - String with the name of a PETSc TS method or the creation function 23 with an optional dynamic library name, for example 24 http://www.mcs.anl.gov/petsc/lib.a:mytscreate() 25 26 Level: beginner 27 28 .seealso: TSSetType(), TS 29 E*/ 30 #define TS_EULER "euler" 31 #define TS_BEULER "beuler" 32 #define TS_PSEUDO "pseudo" 33 #define TS_CRANK_NICHOLSON "crank-nicholson" 34 #define TS_PVODE "pvode" 35 typedef char *TSType; 36 37 #define TS_SER_BEULER_BINARY "beuler_binary" 38 typedef char *TSSerializeType; 39 40 /*E 41 TSProblemType - Determines the type of problem this TS object is to be used to solve 42 43 Level: beginner 44 45 .seealso: TSCreate() 46 E*/ 47 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType; 48 49 /* Logging support */ 50 extern int TS_COOKIE; 51 enum {TS_Step, TS_PseudoComputeTimeStep, TS_FunctionEval, TS_JacobianEval, TS_MAX_EVENTS}; 52 extern int TSEvents[TS_MAX_EVENTS]; 53 #define TSLogEventBegin(e,o1,o2,o3,o4) PetscLogEventBegin(TSEvents[e],o1,o2,o3,o4) 54 #define TSLogEventEnd(e,o1,o2,o3,o4) PetscLogEventEnd(TSEvents[e],o1,o2,o3,o4) 55 56 EXTERN int TSInitializePackage(char *); 57 58 EXTERN int TSCreate(MPI_Comm,TSProblemType,TS*); 59 EXTERN int TSSetType(TS,TSType); 60 EXTERN int TSGetProblemType(TS,TSProblemType*); 61 EXTERN int TSDestroy(TS); 62 63 EXTERN int TSSetMonitor(TS,int(*)(TS,int,PetscReal,Vec,void*),void *,int (*)(void*)); 64 EXTERN int TSClearMonitor(TS); 65 EXTERN int TSGetType(TS,TSType*); 66 67 EXTERN int TSSetOptionsPrefix(TS,char *); 68 EXTERN int TSAppendOptionsPrefix(TS,char *); 69 EXTERN int TSGetOptionsPrefix(TS,char **); 70 EXTERN int TSSetFromOptions(TS); 71 EXTERN int TSSetUp(TS); 72 73 EXTERN int TSSetSolution(TS,Vec); 74 EXTERN int TSGetSolution(TS,Vec*); 75 76 EXTERN int TSSetDuration(TS,int,PetscReal); 77 78 EXTERN int TSDefaultMonitor(TS,int,PetscReal,Vec,void*); 79 EXTERN int TSVecViewMonitor(TS,int,PetscReal,Vec,void*); 80 EXTERN int TSStep(TS,int *,PetscReal*); 81 82 EXTERN int TSSetInitialTimeStep(TS,PetscReal,PetscReal); 83 EXTERN int TSGetTimeStep(TS,PetscReal*); 84 EXTERN int TSGetTime(TS,PetscReal*); 85 EXTERN int TSGetTimeStepNumber(TS,int*); 86 EXTERN int TSSetTimeStep(TS,PetscReal); 87 88 EXTERN int TSSetRHSFunction(TS,int (*)(TS,PetscReal,Vec,Vec,void*),void*); 89 EXTERN int TSSetRHSMatrix(TS,Mat,Mat,int (*)(TS,PetscReal,Mat*,Mat*,MatStructure*,void*),void*); 90 EXTERN int TSSetRHSJacobian(TS,Mat,Mat,int(*)(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*),void*); 91 EXTERN int TSSetRHSBoundaryConditions(TS,int (*)(TS,PetscReal,Vec,void*),void*); 92 93 EXTERN int TSDefaultComputeJacobianColor(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*); 94 EXTERN int TSDefaultComputeJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*); 95 96 EXTERN int TSGetRHSMatrix(TS,Mat*,Mat*,void**); 97 EXTERN int TSGetRHSJacobian(TS,Mat*,Mat*,void**); 98 99 extern int TSSetRhsBC(TS, int (*)(TS, Vec, void *)); 100 extern int TSSetSystemMatrixBC(TS, int (*)(TS, Mat, Mat, void *)); 101 extern int TSSetSolutionBC(TS, int (*)(TS, Vec, void *)); 102 extern int TSSetPreStep(TS, int (*)(TS)); 103 extern int TSSetUpdate(TS, int (*)(TS, double, double *)); 104 extern int TSSetPostStep(TS, int (*)(TS)); 105 extern int TSDefaultRhsBC(TS, Vec, void *); 106 extern int TSDefaultSystemMatrixBC(TS, Mat, Mat, void *); 107 extern int TSDefaultSolutionBC(TS, Vec, void *); 108 extern int TSDefaultPreStep(TS); 109 extern int TSDefaultUpdate(TS, double, double *); 110 extern int TSDefaultPostStep(TS); 111 extern int TSSetIdentity(TS, int (*)(TS, double, Mat *, void *)); 112 113 EXTERN int TSPseudoSetTimeStep(TS,int(*)(TS,PetscReal*,void*),void*); 114 EXTERN int TSPseudoDefaultTimeStep(TS,PetscReal*,void*); 115 EXTERN int TSPseudoComputeTimeStep(TS,PetscReal *); 116 117 EXTERN int TSPseudoSetVerifyTimeStep(TS,int(*)(TS,Vec,void*,PetscReal*,int*),void*); 118 EXTERN int TSPseudoDefaultVerifyTimeStep(TS,Vec,void*,PetscReal*,int*); 119 EXTERN int TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,int*); 120 EXTERN int TSPseudoSetTimeStepIncrement(TS,PetscReal); 121 EXTERN int TSPseudoIncrementDtFromInitialDt(TS); 122 123 EXTERN int TSComputeRHSFunction(TS,PetscReal,Vec,Vec); 124 EXTERN int TSComputeRHSBoundaryConditions(TS,PetscReal,Vec); 125 EXTERN int TSComputeRHSJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*); 126 127 extern PetscFList TSList; 128 EXTERN int TSRegisterAll(char*); 129 EXTERN int TSRegisterDestroy(void); 130 extern PetscTruth TSRegisterAllCalled; 131 132 EXTERN int TSRegister(const char[], const char[], const char[], int (*)(TS)); 133 extern int TSSerializeRegister(const char [], const char [], const char [], int (*)(MPI_Comm, TS *, PetscViewer, PetscTruth)); 134 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 135 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,0) 136 #define TSSerializeRegisterDynamic(a,b,c,d) TSSerializeRegister(a,b,c,0) 137 #else 138 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,d) 139 #define TSSerializeRegisterDynamic(a,b,c,d) TSSerializeRegister(a,b,c,d) 140 #endif 141 142 extern PetscFList TSSerializeList; 143 extern int TSSerializeRegisterAll(const char []); 144 extern int TSSerializeRegisterDestroy(void); 145 extern int TSSerializeRegisterAllCalled; 146 extern int TSSerialize(MPI_Comm comm, TS *, PetscViewer, PetscTruth); 147 extern int TSSetSerializeType(TS, TSSerializeType); 148 149 EXTERN int TSGetSNES(TS,SNES*); 150 EXTERN int TSGetSLES(TS,SLES*); 151 152 EXTERN int TSView(TS,PetscViewer); 153 154 EXTERN int TSSetApplicationContext(TS,void *); 155 EXTERN int TSGetApplicationContext(TS,void **); 156 157 EXTERN int TSLGMonitorCreate(char *,char *,int,int,int,int,PetscDrawLG *); 158 EXTERN int TSLGMonitor(TS,int,PetscReal,Vec,void *); 159 EXTERN int TSLGMonitorDestroy(PetscDrawLG); 160 161 /* 162 PETSc interface to PVode 163 */ 164 #define PVODE_UNMODIFIED_GS PVODE_CLASSICAL_GS 165 typedef enum { PVODE_ADAMS,PVODE_BDF } TSPVodeType; 166 typedef enum { PVODE_MODIFIED_GS = 0,PVODE_CLASSICAL_GS = 1 } TSPVodeGramSchmidtType; 167 EXTERN int TSPVodeSetType(TS,TSPVodeType); 168 EXTERN int TSPVodeGetPC(TS,PC*); 169 EXTERN int TSPVodeSetTolerance(TS,PetscReal,PetscReal); 170 EXTERN int TSPVodeGetIterations(TS,int *,int *); 171 EXTERN int TSPVodeSetGramSchmidtType(TS,TSPVodeGramSchmidtType); 172 EXTERN int TSPVodeSetGMRESRestart(TS,int); 173 EXTERN int TSPVodeSetLinearTolerance(TS,PetscReal); 174 EXTERN int TSPVodeSetExactFinalTime(TS,PetscTruth); 175 176 #endif 177 178 179 180 181 182