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.
424 lines
14 KiB
Fortran
424 lines
14 KiB
Fortran
!
|
|
! Parallel Sparse BLAS version 3.5
|
|
! (C) Copyright 2006-2018
|
|
! Salvatore Filippone
|
|
! Alfredo Buttari
|
|
!
|
|
! 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 PSBLAS 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 PSBLAS 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 psb_z_bjacprec
|
|
|
|
use psb_z_base_prec_mod
|
|
use psb_z_ilu_fact_mod
|
|
|
|
type, extends(psb_z_base_prec_type) :: psb_z_bjac_prec_type
|
|
integer(psb_ipk_), allocatable :: iprcparm(:)
|
|
type(psb_zspmat_type), allocatable :: av(:)
|
|
type(psb_z_vect_type), allocatable :: dv, wrk(:)
|
|
contains
|
|
procedure, pass(prec) :: z_apply_v => psb_z_bjac_apply_vect
|
|
procedure, pass(prec) :: z_apply => psb_z_bjac_apply
|
|
procedure, pass(prec) :: precbld => psb_z_bjac_precbld
|
|
procedure, pass(prec) :: precinit => psb_z_bjac_precinit
|
|
procedure, pass(prec) :: precseti => psb_z_bjac_precseti
|
|
procedure, pass(prec) :: precdescr => psb_z_bjac_precdescr
|
|
procedure, pass(prec) :: dump => psb_z_bjac_dump
|
|
procedure, pass(prec) :: clone => psb_z_bjac_clone
|
|
procedure, pass(prec) :: free => psb_z_bjac_precfree
|
|
procedure, pass(prec) :: sizeof => psb_z_bjac_sizeof
|
|
procedure, pass(prec) :: get_nzeros => psb_z_bjac_get_nzeros
|
|
procedure, pass(prec) :: allocate_wrk => psb_z_bjac_allocate_wrk
|
|
procedure, pass(prec) :: free_wrk => psb_z_bjac_free_wrk
|
|
procedure, pass(prec) :: is_allocated_wrk => psb_z_bjac_is_allocated_wrk
|
|
end type psb_z_bjac_prec_type
|
|
|
|
private :: psb_z_bjac_sizeof, psb_z_bjac_precdescr, psb_z_bjac_get_nzeros
|
|
|
|
|
|
character(len=15), parameter, private :: &
|
|
& fact_names(0:2)=(/'None ','ILU(n) ',&
|
|
& 'ILU(eps) '/)
|
|
|
|
|
|
interface
|
|
subroutine psb_z_bjac_dump(prec,info,prefix,head)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
|
|
class(psb_z_bjac_prec_type), intent(in) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=*), intent(in), optional :: prefix,head
|
|
end subroutine psb_z_bjac_dump
|
|
end interface
|
|
|
|
interface
|
|
subroutine psb_z_bjac_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
complex(psb_dpk_),intent(in) :: alpha,beta
|
|
type(psb_z_vect_type),intent(inout) :: x
|
|
type(psb_z_vect_type),intent(inout) :: y
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=1), optional :: trans
|
|
complex(psb_dpk_),intent(inout), optional, target :: work(:)
|
|
end subroutine psb_z_bjac_apply_vect
|
|
end interface
|
|
|
|
interface
|
|
subroutine psb_z_bjac_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
|
|
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
complex(psb_dpk_),intent(in) :: alpha,beta
|
|
complex(psb_dpk_),intent(inout) :: x(:)
|
|
complex(psb_dpk_),intent(inout) :: y(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=1), optional :: trans
|
|
complex(psb_dpk_),intent(inout), optional, target :: work(:)
|
|
end subroutine psb_z_bjac_apply
|
|
end interface
|
|
|
|
interface
|
|
subroutine psb_z_bjac_precinit(prec,info)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
|
|
class(psb_z_bjac_prec_type),intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_z_bjac_precinit
|
|
end interface
|
|
|
|
interface
|
|
subroutine psb_z_bjac_precbld(a,desc_a,prec,info,amold,vmold,imold)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_, &
|
|
& psb_zspmat_type, psb_z_base_sparse_mat, psb_z_base_vect_type, &
|
|
& psb_i_base_vect_type
|
|
type(psb_zspmat_type), intent(in), target :: a
|
|
type(psb_desc_type), intent(inout), target :: desc_a
|
|
class(psb_z_bjac_prec_type),intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
class(psb_z_base_sparse_mat), intent(in), optional :: amold
|
|
class(psb_z_base_vect_type), intent(in), optional :: vmold
|
|
class(psb_i_base_vect_type), intent(in), optional :: imold
|
|
end subroutine psb_z_bjac_precbld
|
|
end interface
|
|
|
|
interface
|
|
subroutine psb_z_bjac_precseti(prec,what,val,info)
|
|
import :: psb_ipk_, psb_desc_type, psb_z_bjac_prec_type, psb_z_vect_type, psb_dpk_
|
|
class(psb_z_bjac_prec_type),intent(inout) :: prec
|
|
integer(psb_ipk_), intent(in) :: what
|
|
integer(psb_ipk_), intent(in) :: val
|
|
integer(psb_ipk_), intent(out) :: info
|
|
end subroutine psb_z_bjac_precseti
|
|
end interface
|
|
|
|
|
|
contains
|
|
|
|
subroutine psb_z_bjac_precdescr(prec,iout,root)
|
|
use psb_penv_mod
|
|
use psb_error_mod
|
|
implicit none
|
|
|
|
class(psb_z_bjac_prec_type), intent(in) :: prec
|
|
integer(psb_ipk_), intent(in), optional :: iout
|
|
integer(psb_ipk_), intent(in), optional :: root
|
|
|
|
integer(psb_ipk_) :: err_act, nrow, info
|
|
character(len=20) :: name='z_bjac_precdescr'
|
|
type(psb_ctxt_type) :: ictxt
|
|
integer(psb_ipk_) :: iout_, iam, np, root_
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
if (present(iout)) then
|
|
iout_ = iout
|
|
else
|
|
iout_ = 6
|
|
end if
|
|
if (present(root)) then
|
|
root_ = root
|
|
else
|
|
root_ = psb_root_
|
|
end if
|
|
|
|
if (.not.allocated(prec%iprcparm)) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner")
|
|
goto 9999
|
|
end if
|
|
|
|
ictxt = prec%ictxt
|
|
call psb_info(ictxt,iam,np)
|
|
if (root_ == -1) root_ = iam
|
|
|
|
if (iam == root_) &
|
|
& write(iout_,*) trim(prec%desc_prefix()),' ',&
|
|
& 'Block Jacobi with: ',&
|
|
& fact_names(prec%iprcparm(psb_f_type_))
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_z_bjac_precdescr
|
|
|
|
|
|
function psb_z_bjac_sizeof(prec) result(val)
|
|
class(psb_z_bjac_prec_type), intent(in) :: prec
|
|
integer(psb_epk_) :: val
|
|
|
|
val = 0
|
|
if (allocated(prec%dv)) then
|
|
val = val + (2*psb_sizeof_dp) * prec%dv%get_nrows()
|
|
endif
|
|
if (allocated(prec%av)) then
|
|
val = val + prec%av(psb_l_pr_)%sizeof()
|
|
val = val + prec%av(psb_u_pr_)%sizeof()
|
|
endif
|
|
return
|
|
end function psb_z_bjac_sizeof
|
|
|
|
function psb_z_bjac_get_nzeros(prec) result(val)
|
|
|
|
class(psb_z_bjac_prec_type), intent(in) :: prec
|
|
integer(psb_epk_) :: val
|
|
|
|
val = 0
|
|
if (allocated(prec%dv)) then
|
|
val = val + prec%dv%get_nrows()
|
|
endif
|
|
if (allocated(prec%av)) then
|
|
val = val + prec%av(psb_l_pr_)%get_nzeros()
|
|
val = val + prec%av(psb_u_pr_)%get_nzeros()
|
|
endif
|
|
return
|
|
end function psb_z_bjac_get_nzeros
|
|
|
|
|
|
subroutine psb_z_bjac_precfree(prec,info)
|
|
|
|
Implicit None
|
|
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
integer(psb_ipk_) :: err_act, i
|
|
character(len=20) :: name='z_bjac_precfree'
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
if (allocated(prec%av)) then
|
|
do i=1,size(prec%av)
|
|
call prec%av(i)%free()
|
|
enddo
|
|
deallocate(prec%av,stat=info)
|
|
end if
|
|
|
|
if (allocated(prec%dv)) then
|
|
call prec%dv%free(info)
|
|
if (info == 0) deallocate(prec%dv,stat=info)
|
|
end if
|
|
if (allocated(prec%iprcparm)) then
|
|
deallocate(prec%iprcparm,stat=info)
|
|
end if
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_z_bjac_precfree
|
|
|
|
|
|
subroutine psb_z_bjac_clone(prec,precout,info)
|
|
use psb_error_mod
|
|
use psb_realloc_mod
|
|
Implicit None
|
|
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
class(psb_z_base_prec_type), allocatable, intent(inout) :: precout
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
integer(psb_ipk_) :: err_act, i
|
|
character(len=20) :: name='z_bjac_clone'
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
if (allocated(precout)) then
|
|
call precout%free(info)
|
|
if (info == psb_success_) deallocate(precout, stat=info)
|
|
end if
|
|
if (info == psb_success_) &
|
|
& allocate(psb_z_bjac_prec_type :: precout, stat=info)
|
|
if (info /= 0) goto 9999
|
|
select type(pout => precout)
|
|
type is (psb_z_bjac_prec_type)
|
|
call pout%set_ctxt(prec%get_ctxt())
|
|
|
|
if (allocated(prec%av)) then
|
|
allocate(pout%av(size(prec%av)),stat=info)
|
|
do i=1,size(prec%av)
|
|
if (info /= psb_success_) exit
|
|
call prec%av(i)%clone(pout%av(i),info)
|
|
enddo
|
|
if (info /= psb_success_) goto 9999
|
|
end if
|
|
|
|
if (allocated(prec%dv)) then
|
|
allocate(pout%dv,stat=info)
|
|
if (info == 0) call prec%dv%clone(pout%dv,info)
|
|
end if
|
|
class default
|
|
info = psb_err_internal_error_
|
|
end select
|
|
if (info /= 0) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
|
|
return
|
|
|
|
end subroutine psb_z_bjac_clone
|
|
|
|
subroutine psb_z_bjac_allocate_wrk(prec,info,vmold,desc)
|
|
use psb_base_mod
|
|
implicit none
|
|
|
|
! Arguments
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
class(psb_z_base_vect_type), intent(in), optional :: vmold
|
|
type(psb_desc_type), intent(in), optional :: desc
|
|
|
|
! Local variables
|
|
integer(psb_ipk_) :: err_act, i
|
|
character(len=20) :: name
|
|
|
|
info=psb_success_
|
|
name = 'psb_z_allocate_wrk'
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (psb_get_errstatus().ne.0) goto 9999
|
|
if (allocated(prec%wrk)) then
|
|
if (size(prec%wrk)<2) then
|
|
do i=1,size(prec%wrk)
|
|
if (info == 0) call prec%wrk(i)%free(info)
|
|
end do
|
|
if (info == 0) deallocate(prec%wrk,stat=info)
|
|
end if
|
|
end if
|
|
if (info /= 0) then
|
|
info = psb_err_internal_error_; call psb_errpush(info,name,a_err="deallocate"); goto 9999
|
|
end if
|
|
|
|
if (.not.allocated(prec%wrk)) then
|
|
if (.not.present(desc)) then
|
|
info = psb_err_internal_error_; call psb_errpush(info,name,a_err="no desc?"); goto 9999
|
|
end if
|
|
allocate(prec%wrk(2),stat=info)
|
|
do i=1, 2
|
|
if (info == 0) call psb_geall(prec%wrk(i),desc,info)
|
|
if (info == 0) call psb_geasb(prec%wrk(i),desc,info,mold=vmold,scratch=.true.)
|
|
end do
|
|
end if
|
|
if (info /= 0) then
|
|
info = psb_err_internal_error_; call psb_errpush(info,name,a_err="allocate"); goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
return
|
|
|
|
end subroutine psb_z_bjac_allocate_wrk
|
|
|
|
subroutine psb_z_bjac_free_wrk(prec,info)
|
|
use psb_base_mod
|
|
implicit none
|
|
|
|
! Arguments
|
|
class(psb_z_bjac_prec_type), intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
! Local variables
|
|
integer(psb_ipk_) :: err_act
|
|
integer(psb_ipk_) :: i
|
|
character(len=20) :: name
|
|
|
|
info=psb_success_
|
|
name = 'psb_z_allocate_wrk'
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (psb_get_errstatus().ne.0) goto 9999
|
|
|
|
info = psb_success_
|
|
if (allocated(prec%wrk)) then
|
|
do i=1,size(prec%wrk)
|
|
if (info == 0) call prec%wrk(i)%free(info)
|
|
end do
|
|
if (info == 0) deallocate(prec%wrk,stat=info)
|
|
end if
|
|
if (info /= 0) then
|
|
info = psb_err_internal_error_; call psb_errpush(info,name,a_err="deallocate"); goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 call psb_error_handler(err_act)
|
|
return
|
|
|
|
end subroutine psb_z_bjac_free_wrk
|
|
|
|
function psb_z_bjac_is_allocated_wrk(prec) result(res)
|
|
use psb_base_mod
|
|
implicit none
|
|
|
|
! Arguments
|
|
class(psb_z_bjac_prec_type), intent(in) :: prec
|
|
logical :: res
|
|
|
|
! In the base version we can say yes, because
|
|
! there is nothing to allocate
|
|
|
|
res = allocated(prec%wrk)
|
|
|
|
end function psb_z_bjac_is_allocated_wrk
|
|
|
|
|
|
end module psb_z_bjacprec
|