!  
!   
!                             MLD2P4  version 2.1
!    MultiLevel Domain Decomposition Parallel Preconditioners Package
!               based on PSBLAS (Parallel Sparse BLAS version 3.5)
!    
!    (C) Copyright 2008, 2010, 2012, 2015, 2017 
!  
!        Salvatore Filippone    Cranfield University, UK
!        Pasqua D'Ambra         IAC-CNR, Naples, IT
!        Daniela di Serafino    University of Campania "L. Vanvitelli", Caserta, IT
!   
!    Redistribution and use in source and binary forms, with or without
!    modification, are permitted provided that the following conditions
!    are met:
!      1. Redistributions of source code must retain the above copyright
!         notice, this list of conditions and the following disclaimer.
!      2. Redistributions in binary form must reproduce the above copyright
!         notice, this list of conditions, and the following disclaimer in the
!         documentation and/or other materials provided with the distribution.
!      3. The name of the MLD2P4 group or the names of its contributors may
!         not be used to endorse or promote products derived from this
!         software without specific written permission.
!   
!    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!    TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!    PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
!    BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!    POSSIBILITY OF SUCH DAMAGE.
!   
!  
subroutine mld_z_base_onelev_cnv(lv,info,amold,vmold,imold)
  
  use psb_base_mod
  use mld_z_onelev_mod, mld_protect_name =>  mld_z_base_onelev_cnv
  implicit none 

  class(mld_z_onelev_type), intent(inout) :: lv
  integer(psb_ipk_), intent(out)          :: info
  class(psb_z_base_sparse_mat), intent(in), optional :: amold
  class(psb_z_base_vect_type), intent(in), optional  :: vmold
  class(psb_i_base_vect_type), intent(in), optional  :: imold

  integer(psb_ipk_) :: i

  info = psb_success_
  
  if (any((/present(amold),present(vmold),present(imold)/))) then 
    if (allocated(lv%sm)) &
         & call lv%sm%cnv(info,amold=amold,vmold=vmold,imold=imold)
    if (info == psb_success_.and. lv%ac%is_asb()) &
         & call lv%ac%cscnv(info,mold=amold)
    if (info == psb_success_ .and. lv%desc_ac%is_ok()) &
         & call lv%desc_ac%cnv(imold)
    call lv%map%cnv(info,mold=amold,imold=imold)
  end if
end subroutine mld_z_base_onelev_cnv