ax.f90

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module ax_product
  use num_types, only : rp
  use coefs, only : coef_t
  use space, only : space_t
  use mesh, only : mesh_t
  implicit none
  private
 
  type, public, abstract :: ax_t
   contains
     procedure(ax_compute), nopass, deferred :: compute
     procedure(ax_compute_vector), pass(this), deferred :: compute_vector
  end type ax_t
 
  interface
 
     module subroutine ax_helm_factory(object, full_formulation)
       class(ax_t), allocatable, intent(inout) :: object
       logical, intent(in) :: full_formulation
     end subroutine ax_helm_factory
  end interface
 
  public :: ax_helm_factory
  
  abstract interface
     subroutine ax_compute(w, u, coef, msh, Xh)
       import space_t
       import mesh_t
       import coef_t
       import ax_t
       import rp
       implicit none
       type(space_t), intent(inout) :: Xh
       type(mesh_t), intent(inout) :: msh
       type(coef_t), intent(inout) :: coef
       real(kind=rp), intent(inout) :: w(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: u(xh%lx, xh%ly, xh%lz, msh%nelv)
     end subroutine ax_compute
  end interface
 
  abstract interface
     subroutine ax_compute_vector(this, au, av, aw, u, v, w, coef, msh, Xh)
       import space_t
       import mesh_t
       import coef_t
       import ax_t
       import rp
       implicit none
       class(ax_t), intent(in) :: this
       type(space_t), intent(inout) :: Xh
       type(mesh_t), intent(inout) :: msh
       type(coef_t), intent(inout) :: coef
       real(kind=rp), intent(inout) :: au(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: av(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: aw(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: u(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: v(xh%lx, xh%ly, xh%lz, msh%nelv)
       real(kind=rp), intent(inout) :: w(xh%lx, xh%ly, xh%lz, msh%nelv)
     end subroutine ax_compute_vector
  end interface
 
end module ax_product