1 2 #include "src/ts/tsimpl.h" /*I "petscts.h" I*/ 3 4 #undef __FUNCT__ 5 #define __FUNCT__ "TSPublish_Petsc" 6 static int TSPublish_Petsc(PetscObject obj) 7 { 8 #if defined(PETSC_HAVE_AMS) 9 TS v = (TS) obj; 10 PetscErrorCode ierr; 11 #endif 12 13 PetscFunctionBegin; 14 15 #if defined(PETSC_HAVE_AMS) 16 /* if it is already published then return */ 17 if (v->amem >=0) PetscFunctionReturn(0); 18 19 ierr = PetscObjectPublishBaseBegin(obj);CHKERRQ(ierr); 20 ierr = AMS_Memory_add_field((AMS_Memory)v->amem,"Step",&v->steps,1,AMS_INT,AMS_READ, 21 AMS_COMMON,AMS_REDUCT_UNDEF);CHKERRQ(ierr); 22 ierr = AMS_Memory_add_field((AMS_Memory)v->amem,"Time",&v->ptime,1,AMS_DOUBLE,AMS_READ, 23 AMS_COMMON,AMS_REDUCT_UNDEF);CHKERRQ(ierr); 24 ierr = AMS_Memory_add_field((AMS_Memory)v->amem,"CurrentTimeStep",&v->time_step,1, 25 AMS_DOUBLE,AMS_READ,AMS_COMMON,AMS_REDUCT_UNDEF);CHKERRQ(ierr); 26 ierr = PetscObjectPublishBaseEnd(obj);CHKERRQ(ierr); 27 #endif 28 PetscFunctionReturn(0); 29 } 30 31 #undef __FUNCT__ 32 #define __FUNCT__ "TSCreate" 33 /*@C 34 TSCreate - This function creates an empty timestepper. The problem type can then be set with TSSetProblemType() and the 35 type of solver can then be set with TSSetType(). 36 37 Collective on MPI_Comm 38 39 Input Parameter: 40 . comm - The communicator 41 42 Output Parameter: 43 . ts - The TS 44 45 Level: beginner 46 47 .keywords: TS, create 48 .seealso: TSSetType(), TSSetUp(), TSDestroy(), MeshCreate(), TSSetProblemType() 49 @*/ 50 PetscErrorCode TSCreate(MPI_Comm comm, TS *ts) { 51 TS t; 52 PetscErrorCode ierr; 53 54 PetscFunctionBegin; 55 PetscValidPointer(ts,1); 56 *ts = PETSC_NULL; 57 #ifndef PETSC_USE_DYNAMIC_LIBRARIES 58 ierr = TSInitializePackage(PETSC_NULL);CHKERRQ(ierr); 59 #endif 60 61 PetscHeaderCreate(t, _p_TS, struct _TSOps, TS_COOKIE, -1, "TS", comm, TSDestroy, TSView); 62 PetscLogObjectCreate(t); 63 PetscLogObjectMemory(t, sizeof(struct _p_TS)); 64 ierr = PetscMemzero(t->ops, sizeof(struct _TSOps));CHKERRQ(ierr); 65 t->bops->publish = TSPublish_Petsc; 66 t->type_name = PETSC_NULL; 67 68 t->ops->applymatrixbc = TSDefaultSystemMatrixBC; 69 t->ops->applyrhsbc = TSDefaultRhsBC; 70 t->ops->applysolbc = TSDefaultSolutionBC; 71 t->ops->prestep = TSDefaultPreStep; 72 t->ops->update = TSDefaultUpdate; 73 t->ops->poststep = TSDefaultPostStep; 74 75 /* General TS description */ 76 t->problem_type = TS_LINEAR; 77 t->vec_sol = PETSC_NULL; 78 t->vec_sol_always = PETSC_NULL; 79 t->numbermonitors = 0; 80 t->isGTS = PETSC_FALSE; 81 t->isExplicit = PETSC_NULL; 82 t->Iindex = PETSC_NULL; 83 t->ksp = PETSC_NULL; 84 t->A = PETSC_NULL; 85 t->B = PETSC_NULL; 86 t->snes = PETSC_NULL; 87 t->funP = PETSC_NULL; 88 t->jacP = PETSC_NULL; 89 t->setupcalled = 0; 90 t->data = PETSC_NULL; 91 t->user = PETSC_NULL; 92 t->max_steps = 5000; 93 t->max_time = 5.0; 94 t->time_step = .1; 95 t->time_step_old = t->time_step; 96 t->initial_time_step = t->time_step; 97 t->steps = 0; 98 t->ptime = 0.0; 99 t->linear_its = 0; 100 t->nonlinear_its = 0; 101 t->work = PETSC_NULL; 102 t->nwork = 0; 103 104 *ts = t; 105 PetscFunctionReturn(0); 106 } 107 108