!   
!                Parallel Sparse BLAS  version 3.5
!      (C) Copyright 2006, 2010, 2015, 2017
!        Salvatore Filippone    Cranfield University
!        Alfredo Buttari        CNRS-IRIT, Toulouse
!   
!    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 PSBLAS 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
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!    POSSIBILITY OF SUCH DAMAGE.
!   
!    

module psb_s_prec_mod
  use psb_s_prec_type
  use psb_s_base_prec_mod

  interface psb_precbld
    subroutine psb_sprecbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
      import :: psb_ipk_, psb_desc_type, psb_sspmat_type,&
           & psb_s_base_sparse_mat, psb_spk_, psb_s_base_vect_type, &
           & psb_sprec_type
      implicit none
      type(psb_sspmat_type), intent(in), target  :: a
      type(psb_desc_type), intent(in), target    :: desc_a
      type(psb_sprec_type), intent(inout)        :: prec
      integer(psb_ipk_), intent(out)                       :: info
      character, intent(in),optional             :: upd
      character(len=*), intent(in), optional     :: afmt
      class(psb_s_base_sparse_mat), intent(in), optional :: amold
      class(psb_s_base_vect_type), intent(in), optional  :: vmold
    end subroutine psb_sprecbld
  end interface

  interface psb_precinit
    subroutine psb_sprecinit(prec,ptype,info)
      import :: psb_ipk_, psb_desc_type, psb_sspmat_type, psb_spk_, psb_sprec_type
      implicit none
      type(psb_sprec_type), intent(inout)    :: prec
      character(len=*), intent(in)           :: ptype
      integer(psb_ipk_), intent(out)                   :: info
    end subroutine psb_sprecinit
  end interface

  interface psb_precset
    subroutine psb_sprecseti(prec,what,val,info)
      import :: psb_ipk_, psb_desc_type, psb_sspmat_type, psb_spk_, psb_sprec_type
      implicit none
      type(psb_sprec_type), intent(inout)    :: prec
      integer(psb_ipk_) :: what, val 
      integer(psb_ipk_), intent(out)                   :: info
    end subroutine psb_sprecseti
    subroutine psb_sprecsetr(prec,what,val,info)
      import :: psb_ipk_, psb_desc_type, psb_sspmat_type, psb_spk_, psb_sprec_type
      implicit none
      type(psb_sprec_type), intent(inout)    :: prec
      integer(psb_ipk_) :: what
      real(psb_spk_)                       :: val 
      integer(psb_ipk_), intent(out)                   :: info
    end subroutine psb_sprecsetr
  end interface

  interface psb_ilu_fct
    subroutine psb_silu_fct(a,l,u,d,info,blck)
      import :: psb_ipk_, psb_desc_type, psb_sspmat_type, &
           & psb_s_csr_sparse_mat, psb_spk_
      integer(psb_ipk_), intent(out)                ::     info
      type(psb_sspmat_type),intent(in)    :: a
      type(psb_s_csr_sparse_mat),intent(inout) :: l,u
      type(psb_sspmat_type),intent(in), optional, target :: blck
      real(psb_spk_), intent(inout)     ::  d(:)
    end subroutine psb_silu_fct
  end interface


end module psb_s_prec_mod