#include /*I "petscdmda.h" I*/ PetscErrorCode DMSetUp_DA(DM da) { DM_DA *dd = (DM_DA *)da->data; PetscFunctionBegin; PetscValidHeaderSpecific(da, DM_CLASSID, 1); PetscCheck(dd->w >= 1, PetscObjectComm((PetscObject)da), PETSC_ERR_ARG_OUTOFRANGE, "Must have 1 or more degrees of freedom per node: %" PetscInt_FMT, dd->w); PetscCheck(dd->s >= 0, PetscObjectComm((PetscObject)da), PETSC_ERR_ARG_OUTOFRANGE, "Stencil width cannot be negative: %" PetscInt_FMT, dd->s); PetscCall(PetscCalloc1(dd->w + 1, &dd->fieldname)); PetscCall(PetscCalloc1(da->dim, &dd->coordinatename)); if (da->dim == 1) { PetscCall(DMSetUp_DA_1D(da)); } else if (da->dim == 2) { PetscCall(DMSetUp_DA_2D(da)); } else if (da->dim == 3) { PetscCall(DMSetUp_DA_3D(da)); } else SETERRQ(PetscObjectComm((PetscObject)da), PETSC_ERR_SUP, "DMs only supported for 1, 2, and 3d"); da->Nf = dd->w; PetscCall(DMViewFromOptions(da, NULL, "-dm_view")); PetscFunctionReturn(PETSC_SUCCESS); }