1 /* 2 User interface for the timestepping package. This is package 3 is for use in solving time-dependent PDEs. 4 */ 5 #if !defined(__PETSCTS_H) 6 #define __PETSCTS_H 7 #include "petscsnes.h" 8 PETSC_EXTERN_CXX_BEGIN 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, 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 TSType const char* 31 #define TS_EULER "euler" 32 #define TS_BEULER "beuler" 33 #define TS_PSEUDO "pseudo" 34 #define TS_CRANK_NICHOLSON "crank-nicholson" 35 #define TS_SUNDIALS "sundials" 36 #define TS_RUNGE_KUTTA "runge-kutta" 37 38 /*E 39 TSProblemType - Determines the type of problem this TS object is to be used to solve 40 41 Level: beginner 42 43 .seealso: TSCreate() 44 E*/ 45 typedef enum {TS_LINEAR,TS_NONLINEAR} TSProblemType; 46 47 /* Logging support */ 48 extern PetscCookie PETSCTS_DLLEXPORT TS_COOKIE; 49 50 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSInitializePackage(const char[]); 51 52 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSCreate(MPI_Comm,TS*); 53 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDestroy(TS); 54 55 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetProblemType(TS,TSProblemType); 56 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetProblemType(TS,TSProblemType*); 57 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorSet(TS,PetscErrorCode(*)(TS,PetscInt,PetscReal,Vec,void*),void *,PetscErrorCode (*)(void*)); 58 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorCancel(TS); 59 60 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetOptionsPrefix(TS,const char[]); 61 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSAppendOptionsPrefix(TS,const char[]); 62 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetOptionsPrefix(TS,const char *[]); 63 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetFromOptions(TS); 64 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetUp(TS); 65 66 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetSolution(TS,Vec); 67 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetSolution(TS,Vec*); 68 69 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetDuration(TS,PetscInt,PetscReal); 70 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetDuration(TS,PetscInt*,PetscReal*); 71 72 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorDefault(TS,PetscInt,PetscReal,Vec,void*); 73 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorSolution(TS,PetscInt,PetscReal,Vec,void*); 74 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSStep(TS,PetscInt *,PetscReal*); 75 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSolve(TS,Vec); 76 77 78 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetInitialTimeStep(TS,PetscReal,PetscReal); 79 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetTimeStep(TS,PetscReal*); 80 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetTime(TS,PetscReal*); 81 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetTime(TS,PetscReal); 82 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetTimeStepNumber(TS,PetscInt*); 83 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetTimeStep(TS,PetscReal); 84 85 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetRHSFunction(TS,PetscErrorCode (*)(TS,PetscReal,Vec,Vec,void*),void*); 86 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetMatrices(TS,Mat,PetscErrorCode (*)(TS,PetscReal,Mat*,Mat*,MatStructure*,void*),Mat,PetscErrorCode (*)(TS,PetscReal,Mat*,Mat*,MatStructure*,void*),MatStructure,void*); 87 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetRHSJacobian(TS,Mat,Mat,PetscErrorCode (*)(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*),void*); 88 89 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDefaultComputeJacobianColor(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*); 90 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDefaultComputeJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*,void*); 91 92 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetRHSMatrix(TS,Mat*,Mat*,void**); 93 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetRHSJacobian(TS,Mat*,Mat*,void**); 94 95 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetPreStep(TS, PetscErrorCode (*)(TS)); 96 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetUpdate(TS, PetscErrorCode (*)(TS, PetscReal, PetscReal *)); 97 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetPostStep(TS, PetscErrorCode (*)(TS)); 98 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDefaultPreStep(TS); 99 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDefaultUpdate(TS, PetscReal, PetscReal *); 100 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSDefaultPostStep(TS); 101 102 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoSetTimeStep(TS,PetscErrorCode(*)(TS,PetscReal*,void*),void*); 103 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoDefaultTimeStep(TS,PetscReal*,void*); 104 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoComputeTimeStep(TS,PetscReal *); 105 106 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoSetVerifyTimeStep(TS,PetscErrorCode(*)(TS,Vec,void*,PetscReal*,PetscTruth*),void*); 107 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoDefaultVerifyTimeStep(TS,Vec,void*,PetscReal*,PetscTruth*); 108 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoVerifyTimeStep(TS,Vec,PetscReal*,PetscTruth*); 109 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoSetTimeStepIncrement(TS,PetscReal); 110 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSPseudoIncrementDtFromInitialDt(TS); 111 112 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSComputeRHSFunction(TS,PetscReal,Vec,Vec); 113 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSComputeRHSJacobian(TS,PetscReal,Vec,Mat*,Mat*,MatStructure*); 114 115 /* Dynamic creation and loading functions */ 116 extern PetscFList TSList; 117 extern PetscTruth TSRegisterAllCalled; 118 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetType(TS,TSType*); 119 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetType(TS,TSType); 120 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSRegister(const char[], const char[], const char[], PetscErrorCode (*)(TS)); 121 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSRegisterAll(const char[]); 122 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSRegisterDestroy(void); 123 124 /*MC 125 TSRegisterDynamic - Adds a creation method to the TS package. 126 127 Synopsis: 128 PetscErrorCode TSRegisterDynamic(char *name, char *path, char *func_name, PetscErrorCode (*create_func)(TS)) 129 130 Not Collective 131 132 Input Parameters: 133 + name - The name of a new user-defined creation routine 134 . path - The path (either absolute or relative) of the library containing this routine 135 . func_name - The name of the creation routine 136 - create_func - The creation routine itself 137 138 Notes: 139 TSRegisterDynamic() may be called multiple times to add several user-defined tses. 140 141 If dynamic libraries are used, then the fourth input argument (create_func) is ignored. 142 143 Sample usage: 144 .vb 145 TSRegisterDynamic("my_ts", "/home/username/my_lib/lib/libO/solaris/libmy.a", "MyTSCreate", MyTSCreate); 146 .ve 147 148 Then, your ts type can be chosen with the procedural interface via 149 .vb 150 TSCreate(MPI_Comm, TS *); 151 TSSetType(vec, "my_ts") 152 .ve 153 or at runtime via the option 154 .vb 155 -ts_type my_ts 156 .ve 157 158 Notes: $PETSC_ARCH occuring in pathname will be replaced with appropriate values. 159 If your function is not being put into a shared library then use TSRegister() instead 160 161 Level: advanced 162 163 .keywords: TS, register 164 .seealso: TSRegisterAll(), TSRegisterDestroy() 165 M*/ 166 #if defined(PETSC_USE_DYNAMIC_LIBRARIES) 167 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,0) 168 #else 169 #define TSRegisterDynamic(a,b,c,d) TSRegister(a,b,c,d) 170 #endif 171 172 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetSNES(TS,SNES*); 173 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetKSP(TS,KSP*); 174 175 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSView(TS,PetscViewer); 176 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSViewFromOptions(TS,const char[]); 177 178 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSetApplicationContext(TS,void *); 179 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSGetApplicationContext(TS,void **); 180 181 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorLGCreate(const char[],const char[],int,int,int,int,PetscDrawLG *); 182 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorLG(TS,PetscInt,PetscReal,Vec,void *); 183 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSMonitorLGDestroy(PetscDrawLG); 184 185 /* 186 PETSc interface to Sundials 187 */ 188 #ifdef PETSC_HAVE_SUNDIALS 189 #define SUNDIALS_UNMODIFIED_GS SUNDIALS_CLASSICAL_GS 190 typedef enum { SUNDIALS_ADAMS=1,SUNDIALS_BDF=2} TSSundialsType; 191 typedef enum { SUNDIALS_MODIFIED_GS = 0,SUNDIALS_CLASSICAL_GS = 1 } TSSundialsGramSchmidtType; 192 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetType(TS,TSSundialsType); 193 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsGetPC(TS,PC*); 194 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetTolerance(TS,PetscReal,PetscReal); 195 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsGetIterations(TS,PetscInt *,PetscInt *); 196 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetGramSchmidtType(TS,TSSundialsGramSchmidtType); 197 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetGMRESRestart(TS,PetscInt); 198 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetLinearTolerance(TS,PetscReal); 199 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsSetExactFinalTime(TS,PetscTruth); 200 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSSundialsGetParameters(TS,PetscInt *,long*[],double*[]); 201 #endif 202 203 EXTERN PetscErrorCode PETSCTS_DLLEXPORT TSRKSetTolerance(TS,PetscReal); 204 205 PETSC_EXTERN_CXX_END 206 #endif 207