amg4psblas/mlprec/impl/level/mld_s_base_onelev_cseti.F90

!!$
!!$ 
!!$                           MLD2P4  version 2.0
!!$  MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$             based on PSBLAS (Parallel Sparse BLAS version 3.3)
!!$  
!!$  (C) Copyright 2008, 2010, 2012, 2015
!!$
!!$                      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
!!$ 
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!!$
subroutine mld_s_base_onelev_cseti(lv,what,val,info,pos)
  
  use psb_base_mod
  use mld_s_onelev_mod, mld_protect_name => mld_s_base_onelev_cseti
  use mld_s_jac_smoother
  use mld_s_as_smoother
  use mld_s_diag_solver
  use mld_s_ilu_solver
  use mld_s_id_solver
  use mld_s_gs_solver
#if defined(HAVE_SLUDIST_)
  use mld_s_sludist_solver
#endif
#if defined(HAVE_SLU_)
  use mld_s_slu_solver
#endif
#if defined(HAVE_MUMPS_)
  use mld_s_mumps_solver
#endif

  Implicit None

  ! Arguments
  class(mld_s_onelev_type), intent(inout) :: lv 
  character(len=*), intent(in)              :: what 
  integer(psb_ipk_), intent(in)             :: val
  integer(psb_ipk_), intent(out)            :: info
  character(len=*), optional, intent(in)      :: pos
  ! Local 
  integer(psb_ipk_)  :: ipos_, err_act
  character(len=20) :: name='s_base_onelev_cseti'
  type(mld_s_base_smoother_type) :: mld_s_base_smoother_mold
  type(mld_s_jac_smoother_type)  ::  mld_s_jac_smoother_mold
  type(mld_s_as_smoother_type)   ::  mld_s_as_smoother_mold
  type(mld_s_diag_solver_type)   ::  mld_s_diag_solver_mold
  type(mld_s_ilu_solver_type)    ::  mld_s_ilu_solver_mold
  type(mld_s_id_solver_type)     ::  mld_s_id_solver_mold
  type(mld_s_gs_solver_type)     ::  mld_s_gs_solver_mold
  type(mld_s_bwgs_solver_type)   ::  mld_s_bwgs_solver_mold
#if defined(HAVE_SLUDIST_)
  type(mld_s_sludist_solver_type) ::  mld_s_sludist_solver_mold
#endif
#if defined(HAVE_SLU_)
  type(mld_s_slu_solver_type)   ::  mld_s_slu_solver_mold
#endif
#if defined(HAVE_MUMPS_)
  type(mld_s_mumps_solver_type) ::  mld_s_mumps_solver_mold
#endif
  
  call psb_erractionsave(err_act)
  info = psb_success_

  if (present(pos)) then
    select case(psb_toupper(trim(pos)))
    case('PRE')
      ipos_ = mld_pre_smooth_
    case('POST')
      ipos_ = mld_post_smooth_
    case default
      ipos_ = mld_pre_smooth_
    end select
  else
    ipos_ = mld_pre_smooth_
  end if
  
  select case (psb_toupper(what))
  case ('SMOOTHER_TYPE')
    select case (val) 
    case (mld_noprec_)
      call lv%set(mld_s_base_smoother_mold,info,pos=pos)
      if (info == 0) call lv%set(mld_s_id_solver_mold,info,pos=pos)
      
    case (mld_jac_)
      call lv%set(mld_s_jac_smoother_mold,info,pos=pos)
      if (info == 0) call lv%set(mld_s_diag_solver_mold,info,pos=pos)
      
    case (mld_bjac_)
      call lv%set(mld_s_jac_smoother_mold,info,pos=pos)
      if (info == 0) call lv%set(mld_s_ilu_solver_mold,info,pos=pos)

    case (mld_as_)
      call lv%set(mld_s_as_smoother_mold,info,pos=pos)
      if (info == 0) call lv%set(mld_s_ilu_solver_mold,info,pos=pos)
      
    case default
      !
      ! Do nothing and hope for the best :) 
      !
    end select
    if (allocated(lv%sm)) call lv%sm%default()

  case('SUB_SOLVE')
    select case (val) 
    case (mld_f_none_)
      call lv%set(mld_s_id_solver_mold,info,pos=pos)
      
    case (mld_diag_scale_)
      call lv%set(mld_s_diag_solver_mold,info,pos=pos)
      
    case (mld_gs_)
      call lv%set(mld_s_gs_solver_mold,info,pos=pos)
      
    case (mld_bwgs_)
      call lv%set(mld_s_bwgs_solver_mold,info,pos=pos)
      
    case (mld_ilu_n_,mld_milu_n_,mld_ilu_t_)
      call lv%set(mld_s_ilu_solver_mold,info,pos=pos)
      if (info == 0) then
        select case(ipos_)
        case(mld_pre_smooth_) 
          call lv%sm%sv%set('SUB_SOLVE',val,info)
        case (mld_post_smooth_)
          if (allocated(lv%sm2a)) call lv%sm2a%sv%set('SUB_SOLVE',val,info)
        case default
          ! Impossible!! 
          info = psb_err_internal_error_
        end select
      end if
#ifdef HAVE_SLU_
    case (mld_slu_) 
      call lv%set(mld_s_slu_solver_mold,info,pos=pos)
#endif
#ifdef HAVE_SLUDIST_
    case (mld_sludist_)
      call lv%set(mld_s_sludist_solver_mold,info,pos=pos)
#endif
#ifdef HAVE_MUMPS_
    case (mld_mumps_) 
      call lv%set(mld_s_mumps_solver_mold,info,pos=pos)
#endif
    case default
      !
      ! Do nothing and hope for the best :) 
      !
    end select
    

  case ('SMOOTHER_SWEEPS')
    lv%parms%sweeps      = val
    lv%parms%sweeps_pre  = val
    lv%parms%sweeps_post = val

  case ('SMOOTHER_SWEEPS_PRE')
    lv%parms%sweeps_pre  = val

  case ('SMOOTHER_SWEEPS_POST')
    lv%parms%sweeps_post = val

  case ('ML_TYPE')
    lv%parms%ml_type       = val

  case ('AGGR_ALG')
    lv%parms%aggr_alg      = val

  case ('AGGR_ORD')
    lv%parms%aggr_ord      = val

  case ('AGGR_KIND')
    lv%parms%aggr_kind     = val

  case ('COARSE_MAT')
    lv%parms%coarse_mat    = val

  case ('SMOOTHER_POS')
    lv%parms%smoother_pos  = val

  case ('AGGR_OMEGA_ALG')
    lv%parms%aggr_omega_alg= val

  case ('AGGR_EIG')
    lv%parms%aggr_eig      = val

  case ('AGGR_FILTER')
    lv%parms%aggr_filter   = val

  case ('COARSE_SOLVE')
    lv%parms%coarse_solve    = val

  case default
    select case(ipos_)
    case(mld_pre_smooth_) 
      if (allocated(lv%sm)) then 
        call lv%sm%set(what,val,info)
      end if
    case (mld_post_smooth_)
      if (allocated(lv%sm2a)) then 
        call lv%sm2a%set(what,val,info)
      end if
    case default
      ! Impossible!! 
      info = psb_err_internal_error_
    end select

  end select
  if (info /= psb_success_) goto 9999
  call psb_erractionrestore(err_act)
  return

9999 call psb_error_handler(err_act)
  return

end subroutine mld_s_base_onelev_cseti