rough_log_law_device.F90

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module rough_log_law_device
  use num_types, only : rp, c_rp
  use, intrinsic :: iso_c_binding, only : c_ptr
  use utils, only : neko_error
  implicit none
  private
 
#ifdef HAVE_HIP
  interface
     subroutine hip_rough_log_law_compute(u_d, v_d, w_d, &
          n_x_d, n_y_d, n_z_d, h_d, &
          tau_x_d, tau_y_d, tau_z_d, n_nodes, &
          kappa, rho_w_d, B, z0, tstep) &
          bind(c, name = 'hip_rough_log_law_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       use num_types, only : c_rp
       implicit none
       type(c_ptr), value :: u_d, v_d, w_d
       type(c_ptr), value :: n_x_d, n_y_d, n_z_d, h_d
       real(c_rp) :: kappa, B, z0
       type(c_ptr), value :: rho_w_d
       type(c_ptr), value :: tau_x_d, tau_y_d, tau_z_d
       integer(c_int) :: n_nodes, tstep
     end subroutine hip_rough_log_law_compute
  end interface
#elif HAVE_CUDA
  interface
     subroutine cuda_rough_log_law_compute(u_d, v_d, w_d, &
          n_x_d, n_y_d, n_z_d, h_d, &
          tau_x_d, tau_y_d, tau_z_d, n_nodes, &
          kappa, rho_w_d, B, z0, tstep) &
          bind(c, name = 'cuda_rough_log_law_compute')
       use, intrinsic :: iso_c_binding, only : c_ptr, c_int
       use num_types, only : c_rp
       implicit none
       type(c_ptr), value :: u_d, v_d, w_d
       type(c_ptr), value :: n_x_d, n_y_d, n_z_d, h_d
       real(c_rp) :: kappa, B, z0
       type(c_ptr), value :: rho_w_d
       type(c_ptr), value :: tau_x_d, tau_y_d, tau_z_d
       integer(c_int) :: n_nodes, tstep
     end subroutine cuda_rough_log_law_compute
  end interface
#elif HAVE_OPENCL
#endif
  public :: rough_log_law_compute_device
 
contains
  subroutine rough_log_law_compute_device(u_d, v_d, w_d, &
       n_x_d, n_y_d, n_z_d, h_d, tau_x_d, tau_y_d, tau_z_d, &
       n_nodes, kappa, rho_w_d, B, z0, tstep)
    integer, intent(in) :: n_nodes, tstep
    type(c_ptr), intent(in) :: u_d, v_d, w_d
    type(c_ptr), intent(in) :: n_x_d, n_y_d, n_z_d, h_d
    type(c_ptr), intent(inout) :: tau_x_d, tau_y_d, tau_z_d
    type(c_ptr), intent(in) :: rho_w_d
    real(kind=rp), intent(in) :: kappa, b, z0
 
#if HAVE_HIP
    call hip_rough_log_law_compute(u_d, v_d, w_d, &
         n_x_d, n_y_d, n_z_d, h_d, &
         tau_x_d, tau_y_d, tau_z_d, n_nodes, &
         kappa, rho_w_d, b, z0, tstep)
#elif HAVE_CUDA
    call cuda_rough_log_law_compute(u_d, v_d, w_d, &
         n_x_d, n_y_d, n_z_d, h_d, &
         tau_x_d, tau_y_d, tau_z_d, n_nodes, &
         kappa, rho_w_d, b, z0, tstep)
#elif HAVE_OPENCL
    call neko_error("OPENCL is not implemented for the rough log-law model")
#else
    call neko_error('No device backend configured')
#endif
 
  end subroutine rough_log_law_compute_device
end module rough_log_law_device