yownodepool.F90

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!PDLIB Software License
!
!Software, as understood herein, shall be broadly interpreted as being inclusive of algorithms,
!source code, object code, data bases and related documentation, all of which shall be furnished
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!furnished, shall also be furnished to the Licensee without charge. NOAA, however, is not
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!Roland & Partner software, whether that initially furnished or corrections or upgrades,
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!licensed software along with documentation regarding its principles, use and its advantages.
!This includes changes to the wave model proper including numerical and physical approaches
!to wave modeling, and boundary layer parameterizations embedded in the wave model
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!to the software but only after reading the instant license and stating, in writing,
!that they have read and understood the license and have agreed to its terms.
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!
!© 2009 Roland&Partner, Georgenstr.32, 64297 Germany. All rights reserved.
!PDLIB is a trademark of Roland & Partner. No unauthorized use without permission.
!
module yownodepool
  use yowdatapool, only: rkind
  implicit none
  private
  public :: finalizenodepool, nodes, ghosts
 
 
  type, public :: t_node
 
    integer :: id = 0
 
    integer :: id_global = 0
 
    integer :: nconnnodes = 0
 
    integer :: domainid = 0
 
  contains
    procedure :: insertconnnode
 
    procedure :: connnodes
 
    procedure :: isghost
  end type t_node
 
  real(rkind), public, target, allocatable :: x(:), y(:), z(:)
  real(rkind), public, target, allocatable :: pdlib_si(:), pdlib_tria(:), pdlib_tria03(:), pdlib_ien(:,:)
  integer, public, target, allocatable :: pdlib_ccon(:), pdlib_ia(:), pdlib_ja(:)
  integer, public, target, allocatable :: pdlib_ia_p(:), pdlib_ja_p(:), pdlib_ja_ie(:,:,:)
  integer, public, target, allocatable :: pdlib_pos_cell(:), pdlib_ie_cell(:)
  integer, public, target, allocatable :: pdlib_ie_cell2(:,:), pdlib_pos_cell2(:,:)
  integer, public, target, allocatable :: pdlib_posi(:,:), pdlib_i_diag(:)
  integer, public, target, allocatable :: listnp(:), listnpa(:), listiplg(:)
 
  integer, public :: np_global = 0
  integer, public :: pdlib_nnz = 0
 
  integer, public :: np  = 0
 
  integer, public :: ng = 0
 
  integer, public :: npa = 0
 
  type(t_node), public, allocatable, target :: nodes_global(:)
 
  integer, public :: maxconnnodes = 0
 
  integer, public, allocatable :: connnodes_data(:,:)
 
  integer, public, allocatable :: iplg(:)
 
  integer, public, allocatable :: ipgl(:)
 
  integer, public, allocatable :: ghostlg(:)
 
  integer, public, allocatable :: ghostgl(:)
 
  integer, public, allocatable :: np_perproc(:)
 
  integer, public, allocatable :: np_perprocsum(:)
 
 
contains
 
  function connnodes(this, i)
    implicit none
    class(t_node) :: this
    integer, intent(in) :: i
    type(t_node), pointer :: connnodes
    connnodes => nodes_global(connnodes_data(this%id_global, i))
  end function connnodes
 
  function nodes(id_local)
    implicit none
    integer, intent(in) :: id_local
    type(t_node), pointer :: nodes
    nodes => nodes_global(iplg(id_local))
  end function nodes
 
  function ghosts(id)
    implicit none
    integer, intent(in) :: id
    type(t_node), pointer :: ghosts
    ghosts => nodes_global(ghostlg(id))
  end function ghosts
 
  subroutine insertconnnode(this, ind)
    implicit none
    class(t_node) :: this
    integer    , intent(in), optional :: ind
    integer :: i
    type(t_node), pointer :: node
 
    ! if index is present, Check if the node has allreay be insert. Then insert it
    ! if index is not present, just increas temporarily array lenght for later allocation
    if(present(ind)) then
      do i = 1, this%nConnNodes
        node => this%connNodes(i)
        if(node%id_global == ind) then
          return
        end if
      end do
 
      this%nConnNodes = this%nConnNodes +1
      !       connNode => this%connNodes(this%nConnNodes)
      connnodes_data(this%id_global, this%nConnNodes) = ind
      !       connNode = index
    else
      this%nConnNodes = this%nConnNodes +1
    end if
  end subroutine insertconnnode
 
  function isghost(this)
    implicit none
    class(t_node), intent(in) :: this
    logical :: isghost
 
    if(this%id <= np) then
      isghost = .false.
    else
      isghost = .true.
    endif
  end function isghost
 
  subroutine finalizenodepool()
    implicit none
 
    if(allocated(x))              deallocate(x)
    if(allocated(y))              deallocate(y)
    if(allocated(z))              deallocate(z)
    if(allocated(nodes_global))   deallocate(nodes_global)
    if(allocated(connnodes_data)) deallocate(connnodes_data)
    if(allocated(iplg))           deallocate(iplg)
    if(allocated(ipgl))           deallocate(ipgl)
    if(allocated(ghostlg))        deallocate(ghostlg)
    if(allocated(ghostgl))        deallocate(ghostgl)
    if(allocated(np_perproc))     deallocate(np_perproc)
    if(allocated(np_perprocsum))  deallocate(np_perprocsum)
  end subroutine finalizenodepool
end module yownodepool