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.
328 lines
9.6 KiB
Fortran
328 lines
9.6 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS version 3.1
|
|
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012, 2013
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
|
|
subroutine psb_c_diag_dump(prec,info,prefix,head)
|
|
use psb_base_mod
|
|
use psb_c_diagprec, psb_protect_name => psb_c_diag_dump
|
|
implicit none
|
|
class(psb_c_diag_prec_type), intent(in) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=*), intent(in), optional :: prefix,head
|
|
integer(psb_ipk_) :: i, j, il1, iln, lname, lev
|
|
integer(psb_ipk_) :: ictxt,iam, np
|
|
character(len=80) :: prefix_
|
|
character(len=120) :: fname ! len should be at least 20 more than
|
|
|
|
! len of prefix_
|
|
|
|
info = 0
|
|
ictxt = prec%get_ctxt()
|
|
call psb_info(ictxt,iam,np)
|
|
|
|
if (present(prefix)) then
|
|
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
|
|
else
|
|
prefix_ = "dump_diag_c"
|
|
end if
|
|
|
|
lname = len_trim(prefix_)
|
|
fname = trim(prefix_)
|
|
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
|
|
write(fname(lname+1:),'(a,a)')'_diag.mtx'
|
|
if (allocated(prec%dv)) &
|
|
& call psb_geprt(fname,prec%dv%v%v,head=head)
|
|
|
|
end subroutine psb_c_diag_dump
|
|
|
|
|
|
subroutine psb_c_diag_apply_vect(alpha,prec,x,beta,y,desc_data,info,trans,work)
|
|
use psb_base_mod
|
|
use psb_c_diagprec, psb_protect_name => psb_c_diag_apply_vect
|
|
implicit none
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
class(psb_c_diag_prec_type), intent(inout) :: prec
|
|
type(psb_c_vect_type),intent(inout) :: x
|
|
complex(psb_spk_),intent(in) :: alpha, beta
|
|
type(psb_c_vect_type),intent(inout) :: y
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=1), optional :: trans
|
|
complex(psb_spk_),intent(inout), optional, target :: work(:)
|
|
integer(psb_ipk_) :: err_act, nrow, ierr(5)
|
|
character(len=20) :: name='c_diag_prec_apply'
|
|
complex(psb_spk_), pointer :: ww(:)
|
|
class(psb_c_base_vect_type), allocatable :: dw
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
!
|
|
! This is the base version and we should throw an error.
|
|
! Or should it be the DIAG preonditioner???
|
|
!
|
|
info = psb_success_
|
|
|
|
nrow = desc_data%get_local_rows()
|
|
if (x%get_nrows() < nrow) then
|
|
info = 36; ierr(1) = 2; ierr(2) = nrow;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end if
|
|
if (y%get_nrows() < nrow) then
|
|
info = 36; ierr(1) = 3; ierr(2) = nrow;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end if
|
|
if (.not.allocated(prec%d)) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
if (size(prec%d) < nrow) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(work) >= x%get_nrows()) then
|
|
ww => work
|
|
else
|
|
allocate(ww(x%get_nrows()),stat=info)
|
|
if (info /= psb_success_) then
|
|
ierr(1) = x%get_nrows()
|
|
call psb_errpush(psb_err_alloc_request_,name,&
|
|
& i_err=ierr,a_err='complex(psb_spk_)')
|
|
goto 9999
|
|
end if
|
|
end if
|
|
|
|
|
|
call y%mlt(alpha,prec%dv,x,beta,info,conjgx=trans)
|
|
|
|
if (size(work) < x%get_nrows()) then
|
|
deallocate(ww,stat=info)
|
|
if (info /= psb_success_) then
|
|
call psb_errpush(psb_err_from_subroutine_, &
|
|
& name,a_err='Deallocate')
|
|
goto 9999
|
|
end if
|
|
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 psb_c_diag_apply_vect
|
|
|
|
|
|
subroutine psb_c_diag_apply(alpha,prec,x,beta,y,desc_data,info,trans,work)
|
|
use psb_base_mod
|
|
use psb_c_diagprec, psb_protect_name => psb_c_diag_apply
|
|
implicit none
|
|
|
|
type(psb_desc_type),intent(in) :: desc_data
|
|
class(psb_c_diag_prec_type), intent(in) :: prec
|
|
complex(psb_spk_),intent(inout) :: x(:)
|
|
complex(psb_spk_),intent(in) :: alpha, beta
|
|
complex(psb_spk_),intent(inout) :: y(:)
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=1), optional :: trans
|
|
complex(psb_spk_),intent(inout), optional, target :: work(:)
|
|
integer(psb_ipk_) :: err_act, nrow, ierr(5)
|
|
character :: trans_
|
|
character(len=20) :: name='c_diag_prec_apply'
|
|
complex(psb_spk_), pointer :: ww(:)
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
nrow = desc_data%get_local_rows()
|
|
if (size(x) < nrow) then
|
|
info = 36; ierr(1) = 2; ierr(2) = nrow;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end if
|
|
if (size(y) < nrow) then
|
|
info = 36; ierr(1) = 3; ierr(2) = nrow;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end if
|
|
if (.not.allocated(prec%d)) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
if (size(prec%d) < nrow) then
|
|
info = 1124
|
|
call psb_errpush(info,name,a_err="preconditioner: D")
|
|
goto 9999
|
|
end if
|
|
if (present(trans)) then
|
|
trans_ = psb_toupper(trans)
|
|
else
|
|
trans_='N'
|
|
end if
|
|
|
|
select case(trans_)
|
|
case('N')
|
|
case('T','C')
|
|
case default
|
|
info=psb_err_iarg_invalid_i_
|
|
ierr(1) = 6
|
|
call psb_errpush(info,name,i_err=ierr,a_err=trans_)
|
|
goto 9999
|
|
end select
|
|
|
|
if (size(work) >= size(x)) then
|
|
ww => work
|
|
else
|
|
allocate(ww(size(x)),stat=info)
|
|
if (info /= psb_success_) then
|
|
ierr(1) = size(x)
|
|
call psb_errpush(psb_err_alloc_request_,name,&
|
|
& i_err=ierr,a_err='complex(psb_spk_)')
|
|
goto 9999
|
|
end if
|
|
end if
|
|
|
|
|
|
if (trans_ == 'C') then
|
|
ww(1:nrow) = x(1:nrow)*conjg(prec%d(1:nrow))
|
|
else
|
|
ww(1:nrow) = x(1:nrow)*prec%d(1:nrow)
|
|
endif
|
|
call psb_geaxpby(alpha,ww,beta,y,desc_data,info)
|
|
|
|
if (size(work) < size(x)) then
|
|
deallocate(ww,stat=info)
|
|
if (info /= psb_success_) then
|
|
call psb_errpush(psb_err_from_subroutine_,name,a_err='Deallocate')
|
|
goto 9999
|
|
end if
|
|
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 psb_c_diag_apply
|
|
|
|
|
|
subroutine psb_c_diag_precbld(a,desc_a,prec,info,upd,amold,afmt,vmold)
|
|
use psb_base_mod
|
|
use psb_c_diagprec, psb_protect_name => psb_c_diag_precbld
|
|
|
|
Implicit None
|
|
|
|
type(psb_cspmat_type), intent(in), target :: a
|
|
type(psb_desc_type), intent(in), target :: desc_a
|
|
class(psb_c_diag_prec_type),intent(inout) :: prec
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character, intent(in), optional :: upd
|
|
character(len=*), intent(in), optional :: afmt
|
|
class(psb_c_base_sparse_mat), intent(in), optional :: amold
|
|
class(psb_c_base_vect_type), intent(in), optional :: vmold
|
|
integer(psb_ipk_) :: err_act, nrow,i
|
|
character(len=20) :: name='c_diag_precbld'
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
nrow = desc_a%get_local_cols()
|
|
if (allocated(prec%d)) then
|
|
if (size(prec%d) < nrow) then
|
|
deallocate(prec%d,stat=info)
|
|
end if
|
|
end if
|
|
if ((info == psb_success_).and.(.not.allocated(prec%d))) then
|
|
allocate(prec%d(nrow), stat=info)
|
|
end if
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call a%get_diag(prec%d,info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_from_subroutine_
|
|
call psb_errpush(info,name, a_err='get_diag')
|
|
goto 9999
|
|
end if
|
|
|
|
do i=1,nrow
|
|
if (prec%d(i) == dzero) then
|
|
prec%d(i) = done
|
|
else
|
|
prec%d(i) = done/prec%d(i)
|
|
endif
|
|
end do
|
|
allocate(prec%dv,stat=info)
|
|
if (info == 0) then
|
|
if (present(vmold)) then
|
|
allocate(prec%dv%v,mold=vmold,stat=info)
|
|
else
|
|
allocate(psb_c_base_vect_type :: prec%dv%v,stat=info)
|
|
end if
|
|
end if
|
|
if (info == 0) then
|
|
call prec%dv%bld(prec%d)
|
|
else
|
|
write(0,*) 'Error on precbld ',info
|
|
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 psb_c_diag_precbld
|
|
|