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amg4psblas/mlprec/mld_prec_mod.f90

485 lines
23 KiB
Fortran

!!$
!!$
!!$ MLD2P4 version 2.0
!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0)
!!$
!!$ (C) Copyright 2008,2009,2010
!!$
!!$ Salvatore Filippone 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
!!$ ``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
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ 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.
!!$
!!$
! File: mld_prec_mod.f90
!
! Module: mld_prec_mod
!
! This module defines the interfaces to the real/complex, single/double
! precision versions of the user-level MLD2P4 routines.
!
module mld_prec_mod
use mld_prec_type
interface mld_precinit
!!$ subroutine mld_sprecinit(p,ptype,info,nlev)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ character(len=*), intent(in) :: ptype
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: nlev
!!$ end subroutine mld_sprecinit
subroutine mld_dprecinit(p,ptype,info,nlev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
character(len=*), intent(in) :: ptype
integer, intent(out) :: info
integer, optional, intent(in) :: nlev
end subroutine mld_dprecinit
!!$ subroutine mld_cprecinit(p,ptype,info,nlev)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ character(len=*), intent(in) :: ptype
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: nlev
!!$ end subroutine mld_cprecinit
!!$ subroutine mld_zprecinit(p,ptype,info,nlev)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ character(len=*), intent(in) :: ptype
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: nlev
!!$ end subroutine mld_zprecinit
end interface
interface mld_precset
module procedure mld_i_dprecseti, mld_i_dprecsetc, mld_i_dprecsetr
!!$ module procedure mld_i_sprecseti, mld_i_sprecsetc, mld_i_sprecsetr,&
!!$ & mld_i_dprecseti, mld_i_dprecsetc, mld_i_dprecsetr,&
!!$ & mld_i_cprecseti, mld_i_cprecsetc, mld_i_cprecsetr,&
!!$ & mld_i_zprecseti, mld_i_zprecsetc, mld_i_zprecsetr
end interface
interface mld_inner_precset
!!$ subroutine mld_sprecseti(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_sprecseti
!!$ subroutine mld_sprecsetr(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_sprecsetr
!!$ subroutine mld_sprecsetc(p,what,string,info,ilev)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: string
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_sprecsetc
subroutine mld_dprecsetsm(p,what,val,info,ilev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type, mld_d_base_smoother_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
class(mld_d_base_smoother_type), intent(in) :: val
integer, intent(out) :: info
integer, optional, intent(in) :: ilev
end subroutine mld_dprecsetsm
subroutine mld_dprecsetsv(p,what,val,info,ilev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type, mld_d_base_solver_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
class(mld_d_base_solver_type), intent(in) :: val
integer, intent(out) :: info
integer, optional, intent(in) :: ilev
end subroutine mld_dprecsetsv
subroutine mld_dprecseti(p,what,val,info,ilev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
integer, optional, intent(in) :: ilev
end subroutine mld_dprecseti
subroutine mld_dprecsetr(p,what,val,info,ilev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
real(psb_dpk_), intent(in) :: val
integer, intent(out) :: info
integer, optional, intent(in) :: ilev
end subroutine mld_dprecsetr
subroutine mld_dprecsetc(p,what,string,info,ilev)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
character(len=*), intent(in) :: string
integer, intent(out) :: info
integer, optional, intent(in) :: ilev
end subroutine mld_dprecsetc
!!$ subroutine mld_cprecseti(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_cprecseti
!!$ subroutine mld_cprecsetr(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_cprecsetr
!!$ subroutine mld_cprecsetc(p,what,string,info,ilev)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: string
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_cprecsetc
!!$ subroutine mld_zprecseti(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_zprecseti
!!$ subroutine mld_zprecsetr(p,what,val,info,ilev)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_dpk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_zprecsetr
!!$ subroutine mld_zprecsetc(p,what,string,info,ilev)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: string
!!$ integer, intent(out) :: info
!!$ integer, optional, intent(in) :: ilev
!!$ end subroutine mld_zprecsetc
end interface
!!$
!!$ interface mld_precaply
!!$ subroutine mld_sprecaply(prec,x,y,desc_data,info,trans,work)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_sprec_type), intent(in) :: prec
!!$ real(psb_spk_),intent(in) :: x(:)
!!$ real(psb_spk_),intent(inout) :: y(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ real(psb_spk_),intent(inout), optional, target :: work(:)
!!$ end subroutine mld_sprecaply
!!$ subroutine mld_sprecaply1(prec,x,desc_data,info,trans)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_sprec_type), intent(in) :: prec
!!$ real(psb_spk_),intent(inout) :: x(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ end subroutine mld_sprecaply1
!!$ subroutine mld_dprecaply(prec,x,y,desc_data,info,trans,work)
!!$ use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_dprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_dprec_type), intent(in) :: prec
!!$ real(psb_dpk_),intent(in) :: x(:)
!!$ real(psb_dpk_),intent(inout) :: y(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ real(psb_dpk_),intent(inout), optional, target :: work(:)
!!$ end subroutine mld_dprecaply
!!$ subroutine mld_dprecaply1(prec,x,desc_data,info,trans)
!!$ use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_dprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_dprec_type), intent(in) :: prec
!!$ real(psb_dpk_),intent(inout) :: x(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ end subroutine mld_dprecaply1
!!$ subroutine mld_cprecaply(prec,x,y,desc_data,info,trans,work)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_cprec_type), intent(in) :: prec
!!$ complex(psb_spk_),intent(in) :: x(:)
!!$ complex(psb_spk_),intent(inout) :: y(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ complex(psb_spk_),intent(inout), optional, target :: work(:)
!!$ end subroutine mld_cprecaply
!!$ subroutine mld_cprecaply1(prec,x,desc_data,info,trans)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_cprec_type), intent(in) :: prec
!!$ complex(psb_spk_),intent(inout) :: x(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ end subroutine mld_cprecaply1
!!$ subroutine mld_zprecaply(prec,x,y,desc_data,info,trans,work)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_zprec_type), intent(in) :: prec
!!$ complex(psb_dpk_),intent(in) :: x(:)
!!$ complex(psb_dpk_),intent(inout) :: y(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ complex(psb_dpk_),intent(inout), optional, target :: work(:)
!!$ end subroutine mld_zprecaply
!!$ subroutine mld_zprecaply1(prec,x,desc_data,info,trans)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(psb_desc_type),intent(in) :: desc_data
!!$ type(mld_zprec_type), intent(in) :: prec
!!$ complex(psb_dpk_),intent(inout) :: x(:)
!!$ integer, intent(out) :: info
!!$ character(len=1), optional :: trans
!!$ end subroutine mld_zprecaply1
!!$ end interface
!!$
interface mld_precbld
subroutine mld_sprecbld(a,desc_a,prec,info)
use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
use mld_prec_type, only : mld_sprec_type
implicit none
type(psb_sspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
type(mld_sprec_type), intent(inout), target :: prec
integer, intent(out) :: info
!!$ character, intent(in),optional :: upd
end subroutine mld_sprecbld
subroutine mld_dprecbld(a,desc_a,prec,info)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
implicit none
type(psb_dspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
type(mld_dprec_type), intent(inout), target :: prec
integer, intent(out) :: info
!!$ character, intent(in),optional :: upd
end subroutine mld_dprecbld
subroutine mld_cprecbld(a,desc_a,prec,info)
use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
use mld_prec_type, only : mld_cprec_type
implicit none
type(psb_cspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
type(mld_cprec_type), intent(inout), target :: prec
integer, intent(out) :: info
!!$ character, intent(in),optional :: upd
end subroutine mld_cprecbld
subroutine mld_zprecbld(a,desc_a,prec,info)
use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_zprec_type
implicit none
type(psb_zspmat_type), intent(in), target :: a
type(psb_desc_type), intent(in), target :: desc_a
type(mld_zprec_type), intent(inout) :: prec
integer, intent(out) :: info
!!$ character, intent(in),optional :: upd
end subroutine mld_zprecbld
end interface
contains
!!$ subroutine mld_i_sprecseti(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_sprecseti
!!$
!!$ subroutine mld_i_sprecsetr(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_sprecsetr
!!$
!!$ subroutine mld_i_sprecsetc(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_sspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_sprec_type
!!$ type(mld_sprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_sprecsetc
subroutine mld_i_dprecseti(p,what,val,info)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
integer, intent(in) :: val
integer, intent(out) :: info
call mld_inner_precset(p,what,val,info)
end subroutine mld_i_dprecseti
subroutine mld_i_dprecsetr(p,what,val,info)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
real(psb_dpk_), intent(in) :: val
integer, intent(out) :: info
call mld_inner_precset(p,what,val,info)
end subroutine mld_i_dprecsetr
subroutine mld_i_dprecsetc(p,what,val,info)
use psb_sparse_mod, only : psb_dspmat_type, psb_desc_type, psb_dpk_
use mld_prec_type, only : mld_dprec_type
type(mld_dprec_type), intent(inout) :: p
integer, intent(in) :: what
character(len=*), intent(in) :: val
integer, intent(out) :: info
call mld_inner_precset(p,what,val,info)
end subroutine mld_i_dprecsetc
!!$ subroutine mld_i_cprecseti(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_cprecseti
!!$
!!$ subroutine mld_i_cprecsetr(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_spk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_cprecsetr
!!$
!!$ subroutine mld_i_cprecsetc(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_cspmat_type, psb_desc_type, psb_spk_
!!$ use mld_prec_type, only : mld_cprec_type
!!$ type(mld_cprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_cprecsetc
!!$
!!$ subroutine mld_i_zprecseti(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ integer, intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_zprecseti
!!$
!!$ subroutine mld_i_zprecsetr(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ real(psb_dpk_), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_zprecsetr
!!$
!!$ subroutine mld_i_zprecsetc(p,what,val,info)
!!$ use psb_sparse_mod, only : psb_zspmat_type, psb_desc_type, psb_dpk_
!!$ use mld_prec_type, only : mld_zprec_type
!!$ type(mld_zprec_type), intent(inout) :: p
!!$ integer, intent(in) :: what
!!$ character(len=*), intent(in) :: val
!!$ integer, intent(out) :: info
!!$
!!$ call mld_inner_precset(p,what,val,info)
!!$ end subroutine mld_i_zprecsetc
!!$
end module mld_prec_mod