1: #ifndef PBJACOBI_H 2: #define PBJACOBI_H 4: #include <petsc/private/pcimpl.h> 6: /* 7: Private context (data structure) for the PBJacobi preconditioner. 8: */ 9: typedef struct { 10: const MatScalar *diag; 11: PetscInt bs, mbs; /* block size (bs), and number of blocks (mbs) */ 12: void *spptr; /* opaque pointer to a device data structure */ 13: } PC_PBJacobi; 15: #if defined(PETSC_HAVE_CUDA) 16: PETSC_INTERN PetscErrorCode PCSetUp_PBJacobi_CUDA(PC); 17: #endif 19: #if defined(PETSC_HAVE_KOKKOS_KERNELS) 20: PETSC_INTERN PetscErrorCode PCSetUp_PBJacobi_Kokkos(PC); 21: #endif 23: PETSC_INTERN PetscErrorCode PCSetUp_PBJacobi_Host(PC); 24: PETSC_INTERN PetscErrorCode PCDestroy_PBJacobi(PC); 26: #endif