1 #include <petsc-private/dmpatchimpl.h> /*I "petscdmpatch.h" I*/ 2 #include <petscdmda.h> 3 4 #undef __FUNCT__ 5 #define __FUNCT__ "DMSetFromOptions_Patch" 6 PetscErrorCode DMSetFromOptions_Patch(DM dm) 7 { 8 /* DM_Patch *mesh = (DM_Patch*) dm->data; */ 9 PetscErrorCode ierr; 10 11 PetscFunctionBegin; 12 PetscValidHeaderSpecific(dm, DM_CLASSID, 1); 13 ierr = PetscOptionsHead("DMPatch Options");CHKERRQ(ierr); 14 /* Handle associated vectors */ 15 /* Handle viewing */ 16 ierr = PetscOptionsTail();CHKERRQ(ierr); 17 PetscFunctionReturn(0); 18 } 19 20 /* External function declarations here */ 21 extern PetscErrorCode DMSetUp_Patch(DM dm); 22 extern PetscErrorCode DMView_Patch(DM dm, PetscViewer viewer); 23 extern PetscErrorCode DMCreateGlobalVector_Patch(DM dm, Vec *g); 24 extern PetscErrorCode DMCreateLocalVector_Patch(DM dm, Vec *l); 25 extern PetscErrorCode DMDestroy_Patch(DM dm); 26 extern PetscErrorCode DMCreateSubDM_Patch(DM dm, PetscInt numFields, PetscInt fields[], IS *is, DM *subdm); 27 28 #undef __FUNCT__ 29 #define __FUNCT__ "DMInitialize_Patch" 30 PetscErrorCode DMInitialize_Patch(DM dm) 31 { 32 PetscErrorCode ierr; 33 34 PetscFunctionBegin; 35 ierr = PetscStrallocpy(VECSTANDARD,(char**) &dm->vectype);CHKERRQ(ierr); 36 37 dm->ops->view = DMView_Patch; 38 dm->ops->setfromoptions = DMSetFromOptions_Patch; 39 dm->ops->setup = DMSetUp_Patch; 40 dm->ops->createglobalvector = DMCreateGlobalVector_Patch; 41 dm->ops->createlocalvector = DMCreateLocalVector_Patch; 42 dm->ops->createlocaltoglobalmapping = NULL; 43 dm->ops->createlocaltoglobalmappingblock = NULL; 44 dm->ops->createfieldis = NULL; 45 dm->ops->getcoloring = 0; 46 dm->ops->creatematrix = 0; 47 dm->ops->createinterpolation = 0; 48 dm->ops->getaggregates = 0; 49 dm->ops->getinjection = 0; 50 dm->ops->refine = 0; 51 dm->ops->coarsen = 0; 52 dm->ops->refinehierarchy = 0; 53 dm->ops->coarsenhierarchy = 0; 54 dm->ops->globaltolocalbegin = NULL; 55 dm->ops->globaltolocalend = NULL; 56 dm->ops->localtoglobalbegin = NULL; 57 dm->ops->localtoglobalend = NULL; 58 dm->ops->destroy = DMDestroy_Patch; 59 dm->ops->createsubdm = DMCreateSubDM_Patch; 60 PetscFunctionReturn(0); 61 } 62 63 EXTERN_C_BEGIN 64 #undef __FUNCT__ 65 #define __FUNCT__ "DMCreate_Patch" 66 PetscErrorCode DMCreate_Patch(DM dm) 67 { 68 DM_Patch *mesh; 69 PetscErrorCode ierr; 70 71 PetscFunctionBegin; 72 PetscValidHeaderSpecific(dm, DM_CLASSID, 1); 73 ierr = PetscNewLog(dm, DM_Patch, &mesh);CHKERRQ(ierr); 74 dm->data = mesh; 75 76 mesh->refct = 1; 77 mesh->dmCoarse = NULL; 78 mesh->patchSize.i = 0; 79 mesh->patchSize.j = 0; 80 mesh->patchSize.k = 0; 81 mesh->patchSize.c = 0; 82 83 ierr = DMInitialize_Patch(dm);CHKERRQ(ierr); 84 PetscFunctionReturn(0); 85 } 86 EXTERN_C_END 87 88 #undef __FUNCT__ 89 #define __FUNCT__ "DMPatchCreate" 90 /*@ 91 DMPatchCreate - Creates a DMPatch object, which is a collections of DMs called patches. 92 93 Collective on MPI_Comm 94 95 Input Parameter: 96 . comm - The communicator for the DMPatch object 97 98 Output Parameter: 99 . mesh - The DMPatch object 100 101 Level: beginner 102 103 .keywords: DMPatch, create 104 @*/ 105 PetscErrorCode DMPatchCreate(MPI_Comm comm, DM *mesh) 106 { 107 PetscErrorCode ierr; 108 109 PetscFunctionBegin; 110 PetscValidPointer(mesh,2); 111 ierr = DMCreate(comm, mesh);CHKERRQ(ierr); 112 ierr = DMSetType(*mesh, DMPATCH);CHKERRQ(ierr); 113 PetscFunctionReturn(0); 114 } 115 116 #undef __FUNCT__ 117 #define __FUNCT__ "DMPatchCreateGrid" 118 PetscErrorCode DMPatchCreateGrid(MPI_Comm comm, PetscInt dim, MatStencil patchSize, MatStencil commSize, MatStencil gridSize, DM *dm) 119 { 120 DM_Patch *mesh; 121 DM da; 122 PetscInt dof = 1, width = 1; 123 PetscErrorCode ierr; 124 125 PetscFunctionBegin; 126 ierr = DMPatchCreate(comm, dm);CHKERRQ(ierr); 127 mesh = (DM_Patch*) (*dm)->data; 128 if (dim < 2) { 129 gridSize.j = 1; 130 patchSize.j = 1; 131 } 132 if (dim < 3) { 133 gridSize.k = 1; 134 patchSize.k = 1; 135 } 136 ierr = DMCreate(comm, &da); 137 ierr = DMSetType(da, DMDA); 138 ierr = DMDASetDim(da, dim);CHKERRQ(ierr); 139 ierr = DMDASetSizes(da, gridSize.i, gridSize.j, gridSize.k);CHKERRQ(ierr); 140 ierr = DMDASetBoundaryType(da, DMDA_BOUNDARY_NONE, DMDA_BOUNDARY_NONE, DMDA_BOUNDARY_NONE);CHKERRQ(ierr); 141 ierr = DMDASetDof(da, dof);CHKERRQ(ierr); 142 ierr = DMDASetStencilType(da, DMDA_STENCIL_BOX);CHKERRQ(ierr); 143 ierr = DMDASetStencilWidth(da, width);CHKERRQ(ierr); 144 145 mesh->dmCoarse = da; 146 147 ierr = DMPatchSetPatchSize(*dm, patchSize);CHKERRQ(ierr); 148 ierr = DMPatchSetCommSize(*dm, commSize);CHKERRQ(ierr); 149 PetscFunctionReturn(0); 150 } 151