1a12302e2SJed Brown #if !defined(_packimpl_h) 2a12302e2SJed Brown #define _packimpl_h 3a12302e2SJed Brown 43c48a1e8SJed Brown #include <petscdmcomposite.h> /*I "petscdmcomposite.h" I*/ 5a12302e2SJed Brown #include <private/dmimpl.h> /*I "petscdm.h" I*/ 6a12302e2SJed Brown 7a12302e2SJed Brown /* 8a12302e2SJed Brown rstart is where an array/subvector starts in the global parallel vector, so arrays 9a12302e2SJed Brown rstarts are meaningless (and set to the previous one) except on the processor where the array lives 10a12302e2SJed Brown */ 11a12302e2SJed Brown 12a12302e2SJed Brown struct DMCompositeLink { 13a12302e2SJed Brown struct DMCompositeLink *next; 14a12302e2SJed Brown PetscInt n; /* number of owned */ 15a12302e2SJed Brown PetscInt rstart; /* rstart is relative to this process */ 16a12302e2SJed Brown PetscInt grstart; /* grstart is relative to all processes */ 17a12302e2SJed Brown PetscInt nlocal; 18a12302e2SJed Brown 19a12302e2SJed Brown /* only used for DMCOMPOSITE_DM */ 20a12302e2SJed Brown PetscInt *grstarts; /* global row for first unknown of this DM on each process */ 21a12302e2SJed Brown DM dm; 22a12302e2SJed Brown }; 23a12302e2SJed Brown 24a12302e2SJed Brown typedef struct { 25a12302e2SJed Brown PetscInt n,N,rstart; /* rstart is relative to all processors, n unknowns owned by this process, N is total unknowns */ 26*9ae5db72SJed Brown PetscInt nghost; /* number of all local entries (includes DMDA ghost points) */ 27*9ae5db72SJed Brown PetscInt nDM,nmine; /* how many DM's and seperate redundant arrays used to build DM(nmine is ones on this process) */ 28a12302e2SJed Brown PetscBool setup; /* after this is set, cannot add new links to the DM*/ 29a12302e2SJed Brown struct DMCompositeLink *next; 30a12302e2SJed Brown 31a12302e2SJed Brown PetscErrorCode (*FormCoupleLocations)(DM,Mat,PetscInt*,PetscInt*,PetscInt,PetscInt,PetscInt,PetscInt); 32a12302e2SJed Brown } DM_Composite; 33a12302e2SJed Brown 3409573ac7SBarry Smith extern PetscErrorCode DMGetMatrix_Composite(DM,const MatType,Mat*); 35a12302e2SJed Brown 36a12302e2SJed Brown #endif 37