mesh_field.f90

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module mesh_field
  use mesh, only : mesh_t
  implicit none
  private
 
  type, public :: mesh_fld_t
     integer, allocatable :: data(:)
     type(mesh_t), pointer :: msh
     character(len=80) :: name
   contains
     procedure, pass(fld) :: init => mesh_field_init
     procedure, pass(fld) :: free => mesh_field_free
  end type mesh_fld_t
 
contains
 
  subroutine mesh_field_init(fld, msh, fld_name)
    class(mesh_fld_t), intent(inout) :: fld
    type(mesh_t), target, intent(in) :: msh
    character(len=*), optional :: fld_name
 
    call fld%free()
 
    fld%msh => msh
    if (.not. allocated(fld%data)) then
       allocate(fld%data(msh%nelv))
    end if
 
    if (present(fld_name)) then
       fld%name = fld_name
    else
       fld%name = 'MeshField'
    end if
 
    fld%data = 0
  end subroutine mesh_field_init
 
  subroutine mesh_field_free(fld)
    class(mesh_fld_t), intent(inout) :: fld
 
    if (allocated(fld%data)) then
       deallocate(fld%data)
    end if
 
    nullify(fld%msh)
  end subroutine mesh_field_free
 
end module mesh_field