1: #include <petsc/private/dmplextransformimpl.h>

  3: static PetscErrorCode DMPlexTransformSetUp_1D(DMPlexTransform tr)
  4: {
  5:   DM       dm;
  6:   DMLabel  active;
  7:   PetscInt pStart, pEnd, p;

  9:   PetscFunctionBegin;
 10:   PetscCall(DMPlexTransformGetDM(tr, &dm));
 11:   PetscCall(DMPlexTransformGetActive(tr, &active));
 12:   PetscCheck(active, PetscObjectComm((PetscObject)tr), PETSC_ERR_ARG_WRONGSTATE, "DMPlexTransform must have an adaptation label in order to use 1D algorithm");
 13:   /* Calculate refineType for each cell */
 14:   PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Refine Type", &tr->trType));
 15:   PetscCall(DMPlexGetChart(dm, &pStart, &pEnd));
 16:   for (p = pStart; p < pEnd; ++p) {
 17:     DMLabel        trType = tr->trType;
 18:     DMPolytopeType ct;
 19:     PetscInt       val;

 21:     PetscCall(DMPlexGetCellType(dm, p, &ct));
 22:     switch (ct) {
 23:     case DM_POLYTOPE_POINT:
 24:       PetscCall(DMLabelSetValue(trType, p, 0));
 25:       break;
 26:     case DM_POLYTOPE_SEGMENT:
 27:     case DM_POLYTOPE_POINT_PRISM_TENSOR:
 28:       PetscCall(DMLabelGetValue(active, p, &val));
 29:       if (val == 1) PetscCall(DMLabelSetValue(trType, p, val));
 30:       else PetscCall(DMLabelSetValue(trType, p, 2));
 31:       break;
 32:     default:
 33:       SETERRQ(PETSC_COMM_SELF, PETSC_ERR_SUP, "Cannot handle points of type %s", DMPolytopeTypes[ct]);
 34:     }
 35:   }
 36:   PetscFunctionReturn(PETSC_SUCCESS);
 37: }

 39: static PetscErrorCode DMPlexTransformGetSubcellOrientation_1D(DMPlexTransform tr, DMPolytopeType sct, PetscInt sp, PetscInt so, DMPolytopeType tct, PetscInt r, PetscInt o, PetscInt *rnew, PetscInt *onew)
 40: {
 41:   PetscInt rt;

 43:   PetscFunctionBeginHot;
 44:   PetscCall(DMLabelGetValue(tr->trType, sp, &rt));
 45:   *rnew = r;
 46:   *onew = o;
 47:   switch (rt) {
 48:   case 1:
 49:     PetscCall(DMPlexTransformGetSubcellOrientation_Regular(tr, sct, sp, so, tct, r, o, rnew, onew));
 50:     break;
 51:   default:
 52:     PetscCall(DMPlexTransformGetSubcellOrientationIdentity(tr, sct, sp, so, tct, r, o, rnew, onew));
 53:   }
 54:   PetscFunctionReturn(PETSC_SUCCESS);
 55: }

 57: static PetscErrorCode DMPlexTransformCellTransform_1D(DMPlexTransform tr, DMPolytopeType source, PetscInt p, PetscInt *rt, PetscInt *Nt, DMPolytopeType *target[], PetscInt *size[], PetscInt *cone[], PetscInt *ornt[])
 58: {
 59:   DMLabel  trType = tr->trType;
 60:   PetscInt val;

 62:   PetscFunctionBeginHot;
 63:   PetscCheck(p >= 0, PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "Point argument is invalid");
 64:   PetscCall(DMLabelGetValue(trType, p, &val));
 65:   if (rt) *rt = val;
 66:   switch (source) {
 67:   case DM_POLYTOPE_POINT:
 68:     PetscCall(DMPlexTransformCellRefine_Regular(tr, source, p, NULL, Nt, target, size, cone, ornt));
 69:     break;
 70:   case DM_POLYTOPE_POINT_PRISM_TENSOR:
 71:   case DM_POLYTOPE_SEGMENT:
 72:     if (val == 1) PetscCall(DMPlexTransformCellRefine_Regular(tr, source, p, NULL, Nt, target, size, cone, ornt));
 73:     else PetscCall(DMPlexTransformCellTransformIdentity(tr, source, p, NULL, Nt, target, size, cone, ornt));
 74:     break;
 75:   default:
 76:     SETERRQ(PETSC_COMM_SELF, PETSC_ERR_ARG_OUTOFRANGE, "No refinement strategy for %s", DMPolytopeTypes[source]);
 77:   }
 78:   PetscFunctionReturn(PETSC_SUCCESS);
 79: }

 81: static PetscErrorCode DMPlexTransformSetFromOptions_1D(DMPlexTransform tr, PetscOptionItems *PetscOptionsObject)
 82: {
 83:   PetscInt  cells[256], n = 256, i;
 84:   PetscBool flg;

 86:   PetscFunctionBegin;
 87:   PetscOptionsHeadBegin(PetscOptionsObject, "DMPlex Options");
 88:   PetscCall(PetscOptionsIntArray("-dm_plex_transform_1d_ref_cell", "Mark cells for refinement", "", cells, &n, &flg));
 89:   if (flg) {
 90:     DMLabel active;

 92:     PetscCall(DMLabelCreate(PETSC_COMM_SELF, "Adaptation Label", &active));
 93:     for (i = 0; i < n; ++i) PetscCall(DMLabelSetValue(active, cells[i], DM_ADAPT_REFINE));
 94:     PetscCall(DMPlexTransformSetActive(tr, active));
 95:     PetscCall(DMLabelDestroy(&active));
 96:   }
 97:   PetscOptionsHeadEnd();
 98:   PetscFunctionReturn(PETSC_SUCCESS);
 99: }

101: static PetscErrorCode DMPlexTransformView_1D(DMPlexTransform tr, PetscViewer viewer)
102: {
103:   PetscBool isascii;

105:   PetscFunctionBegin;
108:   PetscCall(PetscObjectTypeCompare((PetscObject)viewer, PETSCVIEWERASCII, &isascii));
109:   if (isascii) {
110:     PetscViewerFormat format;
111:     const char       *name;

113:     PetscCall(PetscObjectGetName((PetscObject)tr, &name));
114:     PetscCall(PetscViewerASCIIPrintf(viewer, "1D refinement %s\n", name ? name : ""));
115:     PetscCall(PetscViewerGetFormat(viewer, &format));
116:     if (format == PETSC_VIEWER_ASCII_INFO_DETAIL) PetscCall(DMLabelView(tr->trType, viewer));
117:   } else {
118:     SETERRQ(PetscObjectComm((PetscObject)tr), PETSC_ERR_SUP, "Viewer type %s not yet supported for DMPlexTransform writing", ((PetscObject)viewer)->type_name);
119:   }
120:   PetscFunctionReturn(PETSC_SUCCESS);
121: }

123: static PetscErrorCode DMPlexTransformDestroy_1D(DMPlexTransform tr)
124: {
125:   PetscFunctionBegin;
126:   PetscCall(PetscFree(tr->data));
127:   PetscFunctionReturn(PETSC_SUCCESS);
128: }

130: static PetscErrorCode DMPlexTransformInitialize_1D(DMPlexTransform tr)
131: {
132:   PetscFunctionBegin;
133:   tr->ops->view                  = DMPlexTransformView_1D;
134:   tr->ops->setfromoptions        = DMPlexTransformSetFromOptions_1D;
135:   tr->ops->setup                 = DMPlexTransformSetUp_1D;
136:   tr->ops->destroy               = DMPlexTransformDestroy_1D;
137:   tr->ops->setdimensions         = DMPlexTransformSetDimensions_Internal;
138:   tr->ops->celltransform         = DMPlexTransformCellTransform_1D;
139:   tr->ops->getsubcellorientation = DMPlexTransformGetSubcellOrientation_1D;
140:   tr->ops->mapcoordinates        = DMPlexTransformMapCoordinatesBarycenter_Internal;
141:   PetscFunctionReturn(PETSC_SUCCESS);
142: }

144: PETSC_EXTERN PetscErrorCode DMPlexTransformCreate_1D(DMPlexTransform tr)
145: {
146:   DMPlexRefine_1D *f;

148:   PetscFunctionBegin;
150:   PetscCall(PetscNew(&f));
151:   tr->data = f;

153:   PetscCall(DMPlexTransformInitialize_1D(tr));
154:   PetscFunctionReturn(PETSC_SUCCESS);
155: }