!!$
!!$ 
!!$                           MLD2P4  version 2.1
!!$  MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$             based on PSBLAS (Parallel Sparse BLAS version 3.4)
!!$  
!!$  (C) Copyright 2008, 2010, 2012, 2015, 2017 
!!$
!!$                      Salvatore Filippone    Cranfield University
!!$		         Ambra Abdullahi Hassan University of Rome Tor Vergata
!!$                      Alfredo Buttari        CNRS-IRIT, Toulouse
!!$                      Pasqua D'Ambra         ICAR-CNR, Naples
!!$                      Daniela di Serafino    Second University of Naples
!!$ 
!!$  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
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!!$
!
!
! File: mld_z_ilu_fact_mod.f90
!
! Module: mld_z_ilu_fact_mod
!
!  This module defines some interfaces used internally by the implementation if
!  mld_z_ilu_solver, but not visible to the end user. 
!
!
module mld_z_ilu_fact_mod

  use mld_z_base_solver_mod 

  interface mld_ilu0_fact
    subroutine mld_zilu0_fact(ialg,a,l,u,d,info,blck,upd)
      import psb_zspmat_type, psb_dpk_, psb_ipk_
      integer(psb_ipk_), intent(in)         :: ialg
      integer(psb_ipk_), intent(out)        :: info
      type(psb_zspmat_type),intent(in)      :: a
      type(psb_zspmat_type),intent(inout)   :: l,u
      type(psb_zspmat_type),intent(in), optional, target :: blck
      character, intent(in), optional       :: upd
      complex(psb_dpk_), intent(inout)      :: d(:)
    end subroutine mld_zilu0_fact
  end interface

  interface mld_iluk_fact
    subroutine mld_ziluk_fact(fill_in,ialg,a,l,u,d,info,blck)
      import psb_zspmat_type, psb_dpk_, psb_ipk_
      integer(psb_ipk_), intent(in)        :: fill_in,ialg
      integer(psb_ipk_), intent(out)       :: info
      type(psb_zspmat_type),intent(in)     :: a
      type(psb_zspmat_type),intent(inout)  :: l,u
      type(psb_zspmat_type),intent(in), optional, target :: blck
      complex(psb_dpk_), intent(inout)     ::  d(:)
    end subroutine mld_ziluk_fact
  end interface

  interface mld_ilut_fact
    subroutine mld_zilut_fact(fill_in,thres,a,l,u,d,info,blck,iscale)
      import  psb_zspmat_type, psb_dpk_, psb_ipk_
      integer(psb_ipk_), intent(in)        :: fill_in
      real(psb_dpk_), intent(in)           :: thres
      integer(psb_ipk_), intent(out)       :: info
      type(psb_zspmat_type),intent(in)     :: a
      type(psb_zspmat_type),intent(inout)  :: l,u
      complex(psb_dpk_), intent(inout)     :: d(:)
      type(psb_zspmat_type),intent(in), optional, target :: blck
      integer(psb_ipk_), intent(in), optional  :: iscale
    end subroutine mld_zilut_fact
  end interface

end module mld_z_ilu_fact_mod