xref: /petsc/src/dm/impls/patch/patch.c (revision 46533f15e868a0257527913ca775df3a006c0f53)
1 #include <petsc-private/patchimpl.h>   /*I      "petscdmpatch.h"   I*/
2 #include <petscdmda.h>
3 
4 #undef __FUNCT__
5 #define __FUNCT__ "DMPatchView_Ascii"
6 PetscErrorCode DMPatchView_Ascii(DM dm, PetscViewer viewer)
7 {
8   DM_Patch         *mesh = (DM_Patch *) dm->data;
9   PetscViewerFormat format;
10   PetscInt          p;
11   PetscErrorCode    ierr;
12 
13   PetscFunctionBegin;
14   ierr = PetscViewerGetFormat(viewer, &format);CHKERRQ(ierr);
15   /* if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) */
16   ierr = PetscViewerASCIIPrintf(viewer, "%D patches\n", mesh->numPatches);CHKERRQ(ierr);
17   for(p = 0; p < mesh->numPatches; ++p) {
18     ierr = PetscViewerASCIIPushTab(viewer);CHKERRQ(ierr);
19     ierr = PetscViewerASCIIPrintf(viewer, "Patch %D\n", p);CHKERRQ(ierr);
20     ierr = DMView(mesh->patches[p], viewer);CHKERRQ(ierr);
21     ierr = PetscViewerASCIIPopTab(viewer);CHKERRQ(ierr);
22   }
23   ierr = PetscViewerASCIIPushTab(viewer);CHKERRQ(ierr);
24   ierr = PetscViewerASCIIPrintf(viewer, "Coarse DM\n");CHKERRQ(ierr);
25   ierr = DMView(mesh->dmCoarse, viewer);CHKERRQ(ierr);
26   ierr = PetscViewerASCIIPopTab(viewer);CHKERRQ(ierr);
27   PetscFunctionReturn(0);
28 }
29 
30 #undef __FUNCT__
31 #define __FUNCT__ "DMView_Patch"
32 PetscErrorCode DMView_Patch(DM dm, PetscViewer viewer)
33 {
34   PetscBool      iascii, isbinary;
35   PetscErrorCode ierr;
36 
37   PetscFunctionBegin;
38   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
39   PetscValidHeaderSpecific(viewer, PETSC_VIEWER_CLASSID, 2);
40   ierr = PetscObjectTypeCompare((PetscObject) viewer, PETSCVIEWERASCII, &iascii);CHKERRQ(ierr);
41   ierr = PetscObjectTypeCompare((PetscObject) viewer, PETSCVIEWERBINARY, &isbinary);CHKERRQ(ierr);
42   if (iascii) {
43     ierr = DMPatchView_Ascii(dm, viewer);CHKERRQ(ierr);
44 #if 0
45   } else if (isbinary) {
46     ierr = DMPatchView_Binary(dm, viewer);CHKERRQ(ierr);
47 #endif
48   } else SETERRQ1(((PetscObject)viewer)->comm,PETSC_ERR_SUP,"Viewer type %s not supported by this mesh object", ((PetscObject)viewer)->type_name);
49   PetscFunctionReturn(0);
50 }
51 
52 #undef __FUNCT__
53 #define __FUNCT__ "DMDestroy_Patch"
54 PetscErrorCode DMDestroy_Patch(DM dm)
55 {
56   DM_Patch      *mesh = (DM_Patch *) dm->data;
57   PetscInt       p;
58   PetscErrorCode ierr;
59 
60   PetscFunctionBegin;
61   if (--mesh->refct > 0) {PetscFunctionReturn(0);}
62   for(p = 0; p < mesh->numPatches; ++p) {
63     ierr = DMDestroy(&mesh->patches[p]);CHKERRQ(ierr);
64   }
65   ierr = PetscFree(mesh->patches);CHKERRQ(ierr);
66   ierr = DMDestroy(&mesh->dmCoarse);CHKERRQ(ierr);
67   /* This was originally freed in DMDestroy(), but that prevents reference counting of backend objects */
68   ierr = PetscFree(mesh);CHKERRQ(ierr);
69   PetscFunctionReturn(0);
70 }
71 
72 #undef __FUNCT__
73 #define __FUNCT__ "DMSetUp_Patch"
74 PetscErrorCode DMSetUp_Patch(DM dm)
75 {
76   DM_Patch      *mesh = (DM_Patch *) dm->data;
77   PetscInt       p;
78   PetscErrorCode ierr;
79 
80   PetscFunctionBegin;
81   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
82   for(p = 0; p < mesh->numPatches; ++p) {
83     ierr = DMSetUp(mesh->patches[p]);CHKERRQ(ierr);
84   }
85   PetscFunctionReturn(0);
86 }
87 
88 #undef __FUNCT__
89 #define __FUNCT__ "DMCreateGlobalVector_Patch"
90 PetscErrorCode DMCreateGlobalVector_Patch(DM dm, Vec *g)
91 {
92   DM_Patch      *mesh = (DM_Patch *) dm->data;
93   PetscErrorCode ierr;
94 
95   PetscFunctionBegin;
96   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
97   ierr = DMCreateGlobalVector(mesh->patches[mesh->activePatch], g);CHKERRQ(ierr);
98   PetscFunctionReturn(0);
99 }
100 
101 #undef __FUNCT__
102 #define __FUNCT__ "DMCreateLocalVector_Patch"
103 PetscErrorCode DMCreateLocalVector_Patch(DM dm, Vec *l)
104 {
105   DM_Patch      *mesh = (DM_Patch *) dm->data;
106   PetscErrorCode ierr;
107 
108   PetscFunctionBegin;
109   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
110   ierr = DMCreateLocalVector(mesh->patches[mesh->activePatch], l);CHKERRQ(ierr);
111   PetscFunctionReturn(0);
112 }
113 
114 #undef __FUNCT__
115 #define __FUNCT__ "DMPatchGetActivePatch"
116 PetscErrorCode DMPatchGetActivePatch(DM dm, PetscInt *patch)
117 {
118   DM_Patch *mesh;
119 
120   PetscFunctionBegin;
121   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
122   PetscValidPointer(patch, 2);
123   mesh = (DM_Patch *) dm->data;
124   *patch = mesh->activePatch;
125   PetscFunctionReturn(0);
126 }
127 
128 #undef __FUNCT__
129 #define __FUNCT__ "DMPatchSetActivePatch"
130 PetscErrorCode DMPatchSetActivePatch(DM dm, PetscInt patch)
131 {
132   DM_Patch *mesh;
133 
134   PetscFunctionBegin;
135   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
136   mesh = (DM_Patch *) dm->data;
137   mesh->activePatch = patch;
138   PetscFunctionReturn(0);
139 }
140 
141 #undef __FUNCT__
142 #define __FUNCT__ "DMCreateSubDM_Patch"
143 PetscErrorCode DMCreateSubDM_Patch(DM dm, PetscInt numFields, PetscInt fields[], IS *is, DM *subdm)
144 {
145   PetscFunctionBegin;
146   PetscValidHeaderSpecific(dm, DM_CLASSID, 1);
147   SETERRQ(((PetscObject) dm)->comm, PETSC_ERR_SUP, "Tell me to code this");
148   PetscFunctionReturn(0);
149 }
150