xref: /petsc/include/petscvec_kokkos.hpp (revision eee954682a6abb1a7ac141dbd0723ecb4ff6b1e5)
1 #if !defined(PETSCVEC_KOKKOS_HPP)
2 #define PETSCVEC_KOKKOS_HPP
3 
4 #include <petscconf.h>
5 
6 #if defined(PETSC_HAVE_KOKKOS)
7   #if defined(petsccomplexlib)
8     #error "Error: You must include petscvec_kokkos.hpp before other petsc headers in this C++ file to use petsc complex with Kokkos"
9   #endif
10 
11   #define PETSC_DESIRE_KOKKOS_COMPLEX   1   /* To control the definition of petsccomplexlib in petscsystypes.h */
12 #endif
13 
14 #include <petscvec.h>
15 
16 #if defined(PETSC_HAVE_KOKKOS)
17   #include <Kokkos_Core.hpp>
18 
19   /* Routines to get/restore Kokkos Views from PETSc vectors */
20 
21   /* Like VecGetArrayRead() */
22   template<class MemorySpace> PetscErrorCode VecGetKokkosView    (Vec,Kokkos::View<const PetscScalar*,MemorySpace>*);
23   template<class MemorySpace> PetscErrorCode VecRestoreKokkosView(Vec,Kokkos::View<const PetscScalar*,MemorySpace>*){return 0;}
24 
25   /* Like VecGetArray() */
26   template<class MemorySpace> PetscErrorCode VecGetKokkosView    (Vec,Kokkos::View<PetscScalar*,MemorySpace>*);
27   template<class MemorySpace> PetscErrorCode VecRestoreKokkosView(Vec,Kokkos::View<PetscScalar*,MemorySpace>*);
28 
29   /* Like VecGetArrayWrite() */
30   template<class MemorySpace> PetscErrorCode VecGetKokkosViewWrite    (Vec,Kokkos::View<PetscScalar*,MemorySpace>*);
31   template<class MemorySpace> PetscErrorCode VecRestoreKokkosViewWrite(Vec,Kokkos::View<PetscScalar*,MemorySpace>*);
32 
33 #endif
34 
35 #endif
36