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83 lines
2.4 KiB
Fortran
83 lines
2.4 KiB
Fortran
12 years ago
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subroutine mld_z_jac_smoother_bld(a,desc_a,sm,upd,info,amold,vmold)
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use psb_base_mod
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use mld_z_diag_solver
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use mld_z_jac_smoother, mld_protect_name => mld_z_jac_smoother_bld
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Implicit None
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! Arguments
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type(psb_zspmat_type), intent(in), target :: a
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Type(psb_desc_type), Intent(in) :: desc_a
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class(mld_z_jac_smoother_type), intent(inout) :: sm
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character, intent(in) :: upd
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integer, intent(out) :: info
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class(psb_z_base_sparse_mat), intent(in), optional :: amold
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class(psb_z_base_vect_type), intent(in), optional :: vmold
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! Local variables
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integer :: n_row,n_col, nrow_a, nztota, nzeros
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complex(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
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integer :: ictxt,np,me,i, err_act, debug_unit, debug_level
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character(len=20) :: name='z_jac_smoother_bld', ch_err
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info=psb_success_
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call psb_erractionsave(err_act)
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debug_unit = psb_get_debug_unit()
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debug_level = psb_get_debug_level()
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ictxt = desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),' start'
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n_row = desc_a%get_local_rows()
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nrow_a = a%get_nrows()
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nztota = a%get_nzeros()
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select type (smsv => sm%sv)
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type is (mld_z_diag_solver_type)
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call a%clip_diag(sm%nd,info)
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class default
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call a%csclip(sm%nd,info,&
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& jmin=nrow_a+1,rscale=.false.,cscale=.false.)
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end select
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if (info == psb_success_) then
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if (present(amold)) then
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call sm%nd%cscnv(info,&
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& mold=amold,dupl=psb_dupl_add_)
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else
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call sm%nd%cscnv(info,&
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& type='csr',dupl=psb_dupl_add_)
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endif
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end if
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,&
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& a_err='clip & psb_spcnv csr 4')
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goto 9999
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end if
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call sm%sv%build(a,desc_a,upd,info,amold=amold,vmold=vmold)
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if (info /= psb_success_) then
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call psb_errpush(psb_err_from_subroutine_,name,&
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& a_err='solver build')
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goto 9999
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end if
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nzeros = sm%nd%get_nzeros()
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call psb_sum(ictxt,nzeros)
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sm%nnz_nd_tot = nzeros
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if (debug_level >= psb_debug_outer_) &
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& write(debug_unit,*) me,' ',trim(name),' end'
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine mld_z_jac_smoother_bld
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