1: #include <petsc/private/dmimpl.h> 3: #ifdef PETSC_HAVE_LIBCEED 4: #include <petscdmceed.h> 6: /*@C 7: DMGetCeed - Get the LibCEED context associated with this DM 9: Not collective 11: Input Parameter: 12: . DM - The DM 14: Output Parameter: 15: . ceed - The LibCEED context 17: Level: intermediate 19: .seealso: `DMCreate()` 20: @*/ 21: PetscErrorCode DMGetCeed(DM dm, Ceed *ceed) 22: { 25: if (!dm->ceed) { 26: char ceedresource[PETSC_MAX_PATH_LEN]; /* libCEED resource specifier */ 27: const char *prefix; 29: PetscStrcpy(ceedresource, "/cpu/self"); 30: PetscObjectGetOptionsPrefix((PetscObject)dm, &prefix); 31: PetscOptionsGetString(NULL, prefix, "-dm_ceed", ceedresource, sizeof(ceedresource), NULL); 32: CeedInit(ceedresource, &dm->ceed); 33: } 34: *ceed = dm->ceed; 35: return 0; 36: } 38: #endif