You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
767 lines
20 KiB
Fortran
767 lines
20 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 University of Rome Tor Vergata
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
module mld_d_as_smoother
|
|
|
|
use mld_d_prec_type
|
|
|
|
type, extends(mld_d_base_smoother_type) :: mld_d_as_smoother_type
|
|
! The local solver component is inherited from the
|
|
! parent type.
|
|
! class(mld_d_base_solver_type), allocatable :: sv
|
|
!
|
|
type(psb_d_sparse_mat) :: nd
|
|
type(psb_desc_type) :: desc_data
|
|
integer :: novr, sweeps, restr, prol
|
|
contains
|
|
procedure, pass(sm) :: build => d_as_smoother_bld
|
|
procedure, pass(sm) :: apply => d_as_smoother_apply
|
|
procedure, pass(sm) :: free => d_as_smoother_free
|
|
procedure, pass(sm) :: seti => d_as_smoother_seti
|
|
procedure, pass(sm) :: setc => d_as_smoother_setc
|
|
procedure, pass(sm) :: setr => d_as_smoother_setr
|
|
procedure, pass(sm) :: descr => d_as_smoother_descr
|
|
procedure, pass(sm) :: sizeof => d_as_smoother_sizeof
|
|
end type mld_d_as_smoother_type
|
|
|
|
|
|
private :: d_as_smoother_bld, d_as_smoother_apply, &
|
|
& d_as_smoother_free, d_as_smoother_seti, &
|
|
& d_as_smoother_setc, d_as_smoother_setr,&
|
|
& d_as_smoother_descr, d_as_smoother_sizeof
|
|
|
|
|
|
|
|
contains
|
|
|
|
subroutine d_as_smoother_apply(alpha,sm,x,beta,y,desc_data,trans,work,info)
|
|
use psb_base_mod
|
|
type(psb_desc_type), intent(in) :: desc_data
|
|
class(mld_d_as_smoother_type), intent(in) :: sm
|
|
real(psb_dpk_),intent(in) :: x(:)
|
|
real(psb_dpk_),intent(inout) :: y(:)
|
|
real(psb_dpk_),intent(in) :: alpha,beta
|
|
character(len=1),intent(in) :: trans
|
|
real(psb_dpk_),target, intent(inout) :: work(:)
|
|
integer, intent(out) :: info
|
|
|
|
integer :: n_row,n_col, nrow_d, i
|
|
real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
|
|
integer :: ictxt,np,me, err_act,isz,int_err(5)
|
|
character :: trans_
|
|
character(len=20) :: name='d_as_smoother_apply', ch_err
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = 0
|
|
|
|
trans_ = psb_toupper(trans)
|
|
select case(trans_)
|
|
case('N')
|
|
case('T','C')
|
|
case default
|
|
call psb_errpush(40,name)
|
|
goto 9999
|
|
end select
|
|
|
|
if (.not.allocated(sm%sv)) then
|
|
info = 1121
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
n_row = psb_cd_get_local_rows(sm%desc_data)
|
|
n_col = psb_cd_get_local_cols(sm%desc_data)
|
|
nrow_d = psb_cd_get_local_rows(desc_data)
|
|
isz=max(n_row,N_COL)
|
|
if ((6*isz) <= size(work)) then
|
|
ww => work(1:isz)
|
|
tx => work(isz+1:2*isz)
|
|
ty => work(2*isz+1:3*isz)
|
|
aux => work(3*isz+1:)
|
|
else if ((4*isz) <= size(work)) then
|
|
aux => work(1:)
|
|
allocate(ww(isz),tx(isz),ty(isz),stat=info)
|
|
if (info /= 0) then
|
|
call psb_errpush(4025,name,i_err=(/3*isz,0,0,0,0/),&
|
|
& a_err='real(psb_dpk_)')
|
|
goto 9999
|
|
end if
|
|
else if ((3*isz) <= size(work)) then
|
|
ww => work(1:isz)
|
|
tx => work(isz+1:2*isz)
|
|
ty => work(2*isz+1:3*isz)
|
|
allocate(aux(4*isz),stat=info)
|
|
if (info /= 0) then
|
|
call psb_errpush(4025,name,i_err=(/4*isz,0,0,0,0/),&
|
|
& a_err='real(psb_dpk_)')
|
|
goto 9999
|
|
end if
|
|
else
|
|
allocate(ww(isz),tx(isz),ty(isz),&
|
|
&aux(4*isz),stat=info)
|
|
if (info /= 0) then
|
|
call psb_errpush(4025,name,i_err=(/4*isz,0,0,0,0/),&
|
|
& a_err='real(psb_dpk_)')
|
|
goto 9999
|
|
end if
|
|
|
|
endif
|
|
|
|
tx(1:nrow_d) = x(1:nrow_d)
|
|
tx(nrow_d+1:isz) = dzero
|
|
|
|
|
|
if (sm%sweeps == 1) then
|
|
|
|
select case(trans_)
|
|
case('N')
|
|
!
|
|
! Get the overlap entries of tx (tx==x)
|
|
!
|
|
if (sm%restr==psb_halo_) then
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
else if (sm%restr /= psb_none_) then
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_')
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
case('T','C')
|
|
!
|
|
! With transpose, we have to do it here
|
|
!
|
|
|
|
select case (sm%prol)
|
|
|
|
case(psb_none_)
|
|
!
|
|
! Do nothing
|
|
|
|
case(psb_sum_)
|
|
!
|
|
! The transpose of sum is halo
|
|
!
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
|
|
case(psb_avg_)
|
|
!
|
|
! Tricky one: first we have to scale the overlap entries,
|
|
! which we can do by assignind mode=0, i.e. no communication
|
|
! (hence only scaling), then we do the halo
|
|
!
|
|
call psb_ovrl(tx,sm%desc_data,info,&
|
|
& update=psb_avg_,work=aux,mode=0)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_')
|
|
goto 9999
|
|
end select
|
|
|
|
|
|
case default
|
|
info=40
|
|
int_err(1)=6
|
|
ch_err(2:2)=trans
|
|
goto 9999
|
|
end select
|
|
|
|
|
|
call sm%sv%apply(done,tx,dzero,ty,sm%desc_data,trans_,aux,info)
|
|
|
|
if (info /= 0) then
|
|
call psb_errpush(4001,name,a_err='Error in sub_aply Jacobi Sweeps = 1')
|
|
goto 9999
|
|
endif
|
|
|
|
select case(trans_)
|
|
case('N')
|
|
|
|
select case (sm%prol)
|
|
|
|
case(psb_none_)
|
|
!
|
|
! Would work anyway, but since it is supposed to do nothing ...
|
|
! call psb_ovrl(ty,sm%desc_data,info,&
|
|
! & update=sm%prol,work=aux)
|
|
|
|
|
|
case(psb_sum_,psb_avg_)
|
|
!
|
|
! Update the overlap of ty
|
|
!
|
|
call psb_ovrl(ty,sm%desc_data,info,&
|
|
& update=sm%prol,work=aux)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_')
|
|
goto 9999
|
|
end select
|
|
|
|
case('T','C')
|
|
!
|
|
! With transpose, we have to do it here
|
|
!
|
|
if (sm%restr == psb_halo_) then
|
|
call psb_ovrl(ty,sm%desc_data,info,&
|
|
& update=psb_sum_,work=aux)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
else if (sm%restr /= psb_none_) then
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_')
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
info=40
|
|
int_err(1)=6
|
|
ch_err(2:2)=trans
|
|
goto 9999
|
|
end select
|
|
|
|
|
|
|
|
else if (sm%sweeps > 1) then
|
|
|
|
!
|
|
!
|
|
! Apply prec%iprcparm(mld_smoother_sweeps_) sweeps of a block-Jacobi solver
|
|
! to compute an approximate solution of a linear system.
|
|
!
|
|
!
|
|
ty = dzero
|
|
do i=1, sm%sweeps
|
|
select case(trans_)
|
|
case('N')
|
|
!
|
|
! Get the overlap entries of tx (tx==x)
|
|
!
|
|
if (sm%restr==psb_halo_) then
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
else if (sm%restr /= psb_none_) then
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_')
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
case('T','C')
|
|
!
|
|
! With transpose, we have to do it here
|
|
!
|
|
|
|
select case (sm%prol)
|
|
|
|
case(psb_none_)
|
|
!
|
|
! Do nothing
|
|
|
|
case(psb_sum_)
|
|
!
|
|
! The transpose of sum is halo
|
|
!
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
|
|
case(psb_avg_)
|
|
!
|
|
! Tricky one: first we have to scale the overlap entries,
|
|
! which we can do by assignind mode=0, i.e. no communication
|
|
! (hence only scaling), then we do the halo
|
|
!
|
|
call psb_ovrl(tx,sm%desc_data,info,&
|
|
& update=psb_avg_,work=aux,mode=0)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
call psb_halo(tx,sm%desc_data,info,work=aux,data=psb_comm_ext_)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_halo'
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_')
|
|
goto 9999
|
|
end select
|
|
|
|
|
|
case default
|
|
info=40
|
|
int_err(1)=6
|
|
ch_err(2:2)=trans
|
|
goto 9999
|
|
end select
|
|
!
|
|
! Compute Y(j+1) = D^(-1)*(X-ND*Y(j)), where D and ND are the
|
|
! block diagonal part and the remaining part of the local matrix
|
|
! and Y(j) is the approximate solution at sweep j.
|
|
!
|
|
ww(1:n_row) = tx(1:n_row)
|
|
call psb_spmm(-done,sm%nd,tx,done,ww,sm%desc_data,info,work=aux,trans=trans_)
|
|
|
|
if (info /=0) exit
|
|
|
|
call sm%sv%apply(done,ww,dzero,ty,sm%desc_data,trans_,aux,info)
|
|
|
|
if (info /=0) exit
|
|
|
|
|
|
select case(trans_)
|
|
case('N')
|
|
|
|
select case (sm%prol)
|
|
|
|
case(psb_none_)
|
|
!
|
|
! Would work anyway, but since it is supposed to do nothing ...
|
|
! call psb_ovrl(ty,sm%desc_data,info,&
|
|
! & update=sm%prol,work=aux)
|
|
|
|
|
|
case(psb_sum_,psb_avg_)
|
|
!
|
|
! Update the overlap of ty
|
|
!
|
|
call psb_ovrl(ty,sm%desc_data,info,&
|
|
& update=sm%prol,work=aux)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_prol_')
|
|
goto 9999
|
|
end select
|
|
|
|
case('T','C')
|
|
!
|
|
! With transpose, we have to do it here
|
|
!
|
|
if (sm%restr == psb_halo_) then
|
|
call psb_ovrl(ty,sm%desc_data,info,&
|
|
& update=psb_sum_,work=aux)
|
|
if(info /=0) then
|
|
info=4010
|
|
ch_err='psb_ovrl'
|
|
goto 9999
|
|
end if
|
|
else if (sm%restr /= psb_none_) then
|
|
call psb_errpush(4001,name,a_err='Invalid mld_sub_restr_')
|
|
goto 9999
|
|
end if
|
|
|
|
case default
|
|
info=40
|
|
int_err(1)=6
|
|
ch_err(2:2)=trans
|
|
goto 9999
|
|
end select
|
|
end do
|
|
|
|
if (info /= 0) then
|
|
info=4001
|
|
call psb_errpush(info,name,a_err='subsolve with Jacobi sweeps > 1')
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
else
|
|
|
|
info = 10
|
|
call psb_errpush(info,name,&
|
|
& i_err=(/2,sm%sweeps,0,0,0/))
|
|
goto 9999
|
|
|
|
|
|
end if
|
|
|
|
!
|
|
! Compute y = beta*y + alpha*ty (ty==K^(-1)*tx)
|
|
!
|
|
call psb_geaxpby(alpha,ty,beta,y,desc_data,info)
|
|
|
|
|
|
if ((6*isz) <= size(work)) then
|
|
else if ((4*isz) <= size(work)) then
|
|
deallocate(ww,tx,ty)
|
|
else if ((3*isz) <= size(work)) then
|
|
deallocate(aux)
|
|
else
|
|
deallocate(ww,aux,tx,ty)
|
|
endif
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine d_as_smoother_apply
|
|
|
|
subroutine d_as_smoother_bld(a,desc_a,sm,upd,info,b)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
type(psb_d_sparse_mat), intent(in), target :: a
|
|
Type(psb_desc_type), Intent(in) :: desc_a
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
character, intent(in) :: upd
|
|
integer, intent(out) :: info
|
|
type(psb_d_sparse_mat), intent(in), target, optional :: b
|
|
! Local variables
|
|
integer :: n_row,n_col, nrow_a, nztota
|
|
real(psb_dpk_), pointer :: ww(:), aux(:), tx(:),ty(:)
|
|
integer :: ictxt,np,me,i, err_act, debug_unit, debug_level
|
|
character(len=20) :: name='d_as_smoother_bld', ch_err
|
|
|
|
info=0
|
|
call psb_erractionsave(err_act)
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
call psb_info(ictxt, me, np)
|
|
if (debug_level >= psb_debug_outer_) &
|
|
& write(debug_unit,*) me,' ',trim(name),' start'
|
|
|
|
|
|
n_row = psb_cd_get_local_rows(desc_a)
|
|
|
|
nrow_a = a%get_nrows()
|
|
nztota = a%get_nzeros()
|
|
call a%csclip(sm%nd,info,&
|
|
& jmin=nrow_a+1,rscale=.false.,cscale=.false.)
|
|
if (info == 0) call sm%nd%cscnv(info,&
|
|
& type='csr',dupl=psb_dupl_add_)
|
|
if (info == 0) &
|
|
& call sm%sv%build(a,desc_a,upd,info,b)
|
|
|
|
if (info /= 0) then
|
|
call psb_errpush(4010,name,a_err='clip & psb_spcnv csr 4')
|
|
goto 9999
|
|
end if
|
|
|
|
if (debug_level >= psb_debug_outer_) &
|
|
& write(debug_unit,*) me,' ',trim(name),' end'
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_bld
|
|
|
|
|
|
subroutine d_as_smoother_seti(sm,what,val,info)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer, intent(in) :: what
|
|
integer, intent(in) :: val
|
|
integer, intent(out) :: info
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_as_smoother_seti'
|
|
|
|
info = 0
|
|
call psb_erractionsave(err_act)
|
|
|
|
select case(what)
|
|
case(mld_smoother_sweeps_)
|
|
sm%sweeps = val
|
|
case default
|
|
if (allocated(sm%sv)) then
|
|
call sm%sv%set(what,val,info)
|
|
else
|
|
write(0,*) trim(name),' Missing component, not setting!'
|
|
info = 1121
|
|
end if
|
|
end select
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_seti
|
|
|
|
subroutine d_as_smoother_setc(sm,what,val,info)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer, intent(in) :: what
|
|
character(len=*), intent(in) :: val
|
|
integer, intent(out) :: info
|
|
Integer :: err_act, ival
|
|
character(len=20) :: name='d_as_smoother_setc'
|
|
|
|
info = 0
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
call mld_stringval(val,ival,info)
|
|
if (info == 0) call sm%set(what,ival,info)
|
|
if (info /= 0) then
|
|
info = 4010
|
|
call psb_errpush(info, name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_setc
|
|
|
|
subroutine d_as_smoother_setr(sm,what,val,info)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer, intent(in) :: what
|
|
real(psb_dpk_), intent(in) :: val
|
|
integer, intent(out) :: info
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_as_smoother_setr'
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = 0
|
|
|
|
|
|
if (allocated(sm%sv)) then
|
|
call sm%sv%set(what,val,info)
|
|
else
|
|
write(0,*) trim(name),' Missing component, not setting!'
|
|
info = 1121
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_setr
|
|
|
|
subroutine d_as_smoother_free(sm,info)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer, intent(out) :: info
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_as_smoother_free'
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = 0
|
|
|
|
|
|
|
|
if (allocated(sm%sv)) then
|
|
call sm%sv%free(info)
|
|
if (info == 0) deallocate(sm%sv,stat=info)
|
|
if (info /= 0) then
|
|
info = 4000
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
end if
|
|
call sm%nd%free()
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_free
|
|
|
|
subroutine d_as_smoother_descr(sm,info,iout)
|
|
|
|
use psb_base_mod
|
|
|
|
Implicit None
|
|
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer, intent(out) :: info
|
|
integer, intent(in), optional :: iout
|
|
|
|
! Local variables
|
|
integer :: err_act
|
|
integer :: ictxt, me, np
|
|
character(len=20), parameter :: name='mld_d_as_smoother_descr'
|
|
integer :: iout_
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = 0
|
|
if (present(iout)) then
|
|
iout_ = iout
|
|
else
|
|
iout_ = 6
|
|
endif
|
|
|
|
write(iout_,*) ' Block Jacobi smoother with ',&
|
|
& sm%sweeps,' sweeps.'
|
|
write(iout_,*) ' Local solver:'
|
|
if (allocated(sm%sv)) then
|
|
call sm%sv%descr(info,iout_)
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
end subroutine d_as_smoother_descr
|
|
|
|
function d_as_smoother_sizeof(sm) result(val)
|
|
use psb_base_mod
|
|
implicit none
|
|
! Arguments
|
|
class(mld_d_as_smoother_type), intent(inout) :: sm
|
|
integer(psb_long_int_k_) :: val
|
|
integer :: i
|
|
|
|
val = psb_sizeof_int
|
|
if (allocated(sm%sv)) val = val + sm%sv%sizeof()
|
|
val = val + sm%nd%sizeof()
|
|
|
|
return
|
|
end function d_as_smoother_sizeof
|
|
|
|
end module mld_d_as_smoother
|