field_dirichlet_vector.f90

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module field_dirichlet_vector
  use num_types, only: rp
  use coefs, only: coef_t
  use dirichlet, only: dirichlet_t
  use bc, only: bc_list_t, bc_t
  use device, only: c_ptr, c_size_t
  use utils, only: split_string
  use field, only : field_t
  use field_list, only : field_list_t
  use math, only: masked_copy
  use device_math, only: device_masked_copy
  use dofmap, only : dofmap_t
  use field_dirichlet, only: field_dirichlet_t
  use utils, only: neko_error
  implicit none
  private
  
  ! for the application on a vector field.
  type, public, extends(bc_t) :: field_dirichlet_vector_t
     type(field_dirichlet_t) :: field_dirichlet_u
     type(field_dirichlet_t) :: field_dirichlet_v
     type(field_dirichlet_t) :: field_dirichlet_w
   contains
     procedure, pass(this) :: init_field => field_dirichlet_vector_init
     procedure, pass(this) :: apply_scalar => field_dirichlet_vector_apply_scalar
     procedure, pass(this) :: apply_vector => field_dirichlet_vector_apply_vector
     procedure, pass(this) :: apply_vector_dev => &
          field_dirichlet_vector_apply_vector_dev
     procedure, pass(this) :: apply_scalar_dev => &
          field_dirichlet_vector_apply_scalar_dev
  end type field_dirichlet_vector_t
 
contains
     
  subroutine field_dirichlet_vector_init(this, bc_name)
    class(field_dirichlet_vector_t), intent(inout) :: this
    character(len=*), intent(in) :: bc_name
 
    call neko_error("Fields must be initialized individually!")
 
  end subroutine field_dirichlet_vector_init
 
  subroutine field_dirichlet_vector_free(this)
    type(field_dirichlet_vector_t), intent(inout) :: this
 
    call this%field_dirichlet_u%free()
    call this%field_dirichlet_v%free()
    call this%field_dirichlet_w%free()
    
  end subroutine field_dirichlet_vector_free
  
  subroutine field_dirichlet_vector_apply_scalar(this, x, n, t, tstep)
    class(field_dirichlet_vector_t), intent(inout) :: this
    integer, intent(in) :: n
    real(kind=rp), intent(inout),  dimension(n) :: x
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
 
    call neko_error("field_dirichlet_vector cannot apply scalar BCs.&
&Use field_dirichlet instead!")
 
  end subroutine field_dirichlet_vector_apply_scalar
  
  subroutine field_dirichlet_vector_apply_scalar_dev(this, x_d, t, tstep)
    class(field_dirichlet_vector_t), intent(inout), target :: this
    type(c_ptr) :: x_d
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
 
    call neko_error("field_dirichlet_vector cannot apply scalar BCs.&
&Use field_dirichlet instead!")
 
  end subroutine field_dirichlet_vector_apply_scalar_dev
 
  subroutine field_dirichlet_vector_apply_vector(this, x, y, z, n, t, tstep)
    class(field_dirichlet_vector_t), intent(inout) :: this
    integer, intent(in) :: n
    real(kind=rp), intent(inout),  dimension(n) :: x
    real(kind=rp), intent(inout),  dimension(n) :: y
    real(kind=rp), intent(inout),  dimension(n) :: z
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
 
    if (present(t) .and. present(tstep)) then
       call this%field_dirichlet_u%apply_scalar(x, n, t, tstep)
       call this%field_dirichlet_v%apply_scalar(y, n, t, tstep)
       call this%field_dirichlet_w%apply_scalar(z, n, t, tstep)
    else if (present(t)) then
       call this%field_dirichlet_u%apply_scalar(x, n, t=t)
       call this%field_dirichlet_v%apply_scalar(y, n, t=t)
       call this%field_dirichlet_w%apply_scalar(z, n, t=t)
    else if (present(tstep)) then
       call this%field_dirichlet_u%apply_scalar(x, n, tstep=tstep)
       call this%field_dirichlet_v%apply_scalar(y, n, tstep=tstep)
       call this%field_dirichlet_w%apply_scalar(z, n, tstep=tstep)
    end if
 
  end subroutine field_dirichlet_vector_apply_vector
 
  subroutine field_dirichlet_vector_apply_vector_dev(this, x_d, y_d, z_d, t, tstep)
    class(field_dirichlet_vector_t), intent(inout), target :: this
    type(c_ptr) :: x_d
    type(c_ptr) :: y_d
    type(c_ptr) :: z_d
    real(kind=rp), intent(in), optional :: t
    integer, intent(in), optional :: tstep
 
    if (present(t) .and. present(tstep)) then
       call this%field_dirichlet_u%apply_scalar_dev(x_d, t, tstep)
       call this%field_dirichlet_v%apply_scalar_dev(y_d, t, tstep)
       call this%field_dirichlet_w%apply_scalar_dev(z_d, t, tstep)
    else if (present(t)) then
       call this%field_dirichlet_u%apply_scalar_dev(x_d, t=t)
       call this%field_dirichlet_v%apply_scalar_dev(y_d, t=t)
       call this%field_dirichlet_w%apply_scalar_dev(z_d, t=t)
    else if (present(tstep)) then
       call this%field_dirichlet_u%apply_scalar_dev(x_d, tstep=tstep)
       call this%field_dirichlet_v%apply_scalar_dev(y_d, tstep=tstep)
       call this%field_dirichlet_w%apply_scalar_dev(z_d, tstep=tstep)
    end if
 
   end subroutine field_dirichlet_vector_apply_vector_dev
 
end module field_dirichlet_vector