device_dirichlet.F90

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module device_dirichlet
  use num_types
  use utils
  use, intrinsic :: iso_c_binding, only : c_ptr, c_int
  implicit none
  private
 
#ifdef HAVE_HIP
  interface
     subroutine hip_dirichlet_apply_scalar(msk, x, g, m) &
          bind(c, name='hip_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x
     end subroutine hip_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine hip_dirichlet_apply_vector(msk, x, y, z, g, m) &
          bind(c, name='hip_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z
     end subroutine hip_dirichlet_apply_vector
  end interface
#elif HAVE_CUDA
  interface
     subroutine cuda_dirichlet_apply_scalar(msk, x, g, m) &
          bind(c, name='cuda_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x
     end subroutine cuda_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine cuda_dirichlet_apply_vector(msk, x, y, z, g, m) &
          bind(c, name='cuda_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z
     end subroutine cuda_dirichlet_apply_vector
  end interface
#elif HAVE_OPENCL
  interface
     subroutine opencl_dirichlet_apply_scalar(msk, x, g, m) &
          bind(c, name='opencl_dirichlet_apply_scalar')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x
     end subroutine opencl_dirichlet_apply_scalar
  end interface
 
  interface
     subroutine opencl_dirichlet_apply_vector(msk, x, y, z, g, m) &
          bind(c, name='opencl_dirichlet_apply_vector')
       use, intrinsic :: iso_c_binding
       import c_rp
       implicit none
       real(c_rp) :: g
       integer(c_int) :: m
       type(c_ptr), value :: msk, x, y, z
     end subroutine opencl_dirichlet_apply_vector
  end interface
#endif
 
  public :: device_dirichlet_apply_scalar, device_dirichlet_apply_vector
 
contains
 
  subroutine device_dirichlet_apply_scalar(msk, x, g, m)
    integer, intent(in) :: m
    type(c_ptr) :: msk, x
    real(kind=rp), intent(in) :: g
 
#ifdef HAVE_HIP
    call hip_dirichlet_apply_scalar(msk, x, g, m)
#elif HAVE_CUDA
    call cuda_dirichlet_apply_scalar(msk, x, g, m)
#elif HAVE_OPENCL
    call opencl_dirichlet_apply_scalar(msk, x, g, m)
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine device_dirichlet_apply_scalar
 
  subroutine device_dirichlet_apply_vector(msk, x, y, z, g, m)
    integer, intent(in) :: m
    type(c_ptr) :: msk, x, y, z
    real(kind=rp), intent(in) :: g
 
#ifdef HAVE_HIP
    call hip_dirichlet_apply_vector(msk, x, y, z, g, m)
#elif HAVE_CUDA
    call cuda_dirichlet_apply_vector(msk, x, y, z, g, m)
#elif HAVE_OPENCL
    call opencl_dirichlet_apply_vector(msk, x, y, z, g, m)
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine device_dirichlet_apply_vector
 
end module device_dirichlet