|
|
|
@ -115,6 +115,7 @@ contains
|
|
|
|
|
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)
|
|
|
|
@ -153,158 +154,27 @@ contains
|
|
|
|
|
|
|
|
|
|
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 ((sm%novr == 0).and.(sm%sweeps == 1)) then
|
|
|
|
|
!
|
|
|
|
|
! Shortcut: in this case it's just the same
|
|
|
|
|
! as Block Jacobi.
|
|
|
|
|
!
|
|
|
|
|
call sm%sv%apply(alpha,x,beta,y,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
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
info=40
|
|
|
|
|
int_err(1)=6
|
|
|
|
|
ch_err(2:2)=trans
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
tx(1:nrow_d) = x(1:nrow_d)
|
|
|
|
|
tx(nrow_d+1:isz) = dzero
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
else if (sm%sweeps > 1) then
|
|
|
|
|
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')
|
|
|
|
|
!
|
|
|
|
@ -377,20 +247,14 @@ contains
|
|
|
|
|
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
|
|
|
|
|
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')
|
|
|
|
@ -444,29 +308,183 @@ contains
|
|
|
|
|
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
|
|
|
|
|
else if (sm%sweeps > 1) then
|
|
|
|
|
|
|
|
|
|
info = 10
|
|
|
|
|
call psb_errpush(info,name,&
|
|
|
|
|
& i_err=(/2,sm%sweeps,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
!
|
|
|
|
|
!
|
|
|
|
|
! 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
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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)
|
|
|
|
|
|
|
|
|
|
!
|
|
|
|
|
! Compute y = beta*y + alpha*ty (ty==K^(-1)*tx)
|
|
|
|
|
!
|
|
|
|
|
call psb_geaxpby(alpha,ty,beta,y,desc_data,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)
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if ((6*isz) <= size(work)) then
|
|
|
|
|