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.
376 lines
9.1 KiB
Fortran
376 lines
9.1 KiB
Fortran
subroutine psb_s_mat_renums(alg,mat,info,perm)
|
|
use psb_base_mod
|
|
use psb_renum_mod, psb_protect_name => psb_s_mat_renums
|
|
implicit none
|
|
character(len=*), intent(in) :: alg
|
|
type(psb_sspmat_type), intent(inout) :: mat
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), allocatable, optional, intent(out) :: perm(:)
|
|
|
|
integer(psb_ipk_) :: err_act, nr, nc, ialg
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
name = 'mat_renum'
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
select case (psb_toupper(alg))
|
|
case ('GPS')
|
|
ialg = psb_mat_renum_gps_
|
|
case ('AMD')
|
|
ialg = psb_mat_renum_amd_
|
|
case ('NONE', 'ID')
|
|
ialg = psb_mat_renum_identity_
|
|
case default
|
|
write(0,*) 'Unknown algorithm "',psb_toupper(alg),'"'
|
|
ialg = -1
|
|
end select
|
|
|
|
call psb_mat_renum(ialg,mat,info,perm)
|
|
|
|
if (info /= psb_success_) then
|
|
info = psb_err_from_subroutine_non_
|
|
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 psb_s_mat_renums
|
|
|
|
subroutine psb_s_mat_renum(alg,mat,info,perm)
|
|
use psb_base_mod
|
|
use psb_renum_mod, psb_protect_name => psb_s_mat_renum
|
|
implicit none
|
|
integer(psb_ipk_), intent(in) :: alg
|
|
type(psb_sspmat_type), intent(inout) :: mat
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), allocatable, optional, intent(out) :: perm(:)
|
|
|
|
integer(psb_ipk_) :: err_act, nr, nc, i, ierr(5)
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
name = 'mat_renum'
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
nr = mat%get_nrows()
|
|
nc = mat%get_ncols()
|
|
if (nr /= nc) then
|
|
info = psb_err_rectangular_mat_unsupported_
|
|
ierr(1) = nr; ierr(2) = nc;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end if
|
|
|
|
select case (alg)
|
|
case(psb_mat_renum_gps_)
|
|
|
|
call psb_mat_renum_gps(mat,info,perm)
|
|
|
|
case(psb_mat_renum_amd_)
|
|
|
|
call psb_mat_renum_amd(mat,info,perm)
|
|
|
|
case(psb_mat_renum_identity_)
|
|
nr = mat%get_nrows()
|
|
allocate(perm(nr),stat=info)
|
|
if (info == 0) then
|
|
do i=1,nr
|
|
perm(i) = i
|
|
end do
|
|
else
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
case default
|
|
info = psb_err_input_value_invalid_i_
|
|
ierr(1) = 1; ierr(2) = alg;
|
|
call psb_errpush(info,name,i_err=ierr)
|
|
goto 9999
|
|
end select
|
|
|
|
if (info /= psb_success_) then
|
|
info = psb_err_from_subroutine_non_
|
|
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
|
|
|
|
contains
|
|
|
|
subroutine psb_mat_renum_gps(a,info,operm)
|
|
use psb_base_mod
|
|
use psb_gps_mod
|
|
implicit none
|
|
type(psb_sspmat_type), intent(inout) :: a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), allocatable, optional, intent(out) :: operm(:)
|
|
|
|
!
|
|
class(psb_s_base_sparse_mat), allocatable :: aa
|
|
type(psb_s_csr_sparse_mat) :: acsr
|
|
type(psb_s_coo_sparse_mat) :: acoo
|
|
|
|
integer(psb_ipk_) :: err_act
|
|
character(len=20) :: name
|
|
integer(psb_ipk_), allocatable :: ndstk(:,:), iold(:), ndeg(:), perm(:)
|
|
integer(psb_ipk_) :: i, j, k, ideg, nr, ibw, ipf, idpth
|
|
|
|
info = psb_success_
|
|
name = 'mat_renum'
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
call a%mold(aa)
|
|
call a%mv_to(aa)
|
|
call aa%mv_to_fmt(acsr,info)
|
|
! Insert call to gps_reduce
|
|
nr = acsr%get_nrows()
|
|
ideg = 0
|
|
do i=1, nr
|
|
ideg = max(ideg,acsr%irp(i+1)-acsr%irp(i))
|
|
end do
|
|
allocate(ndstk(nr,ideg), iold(nr), perm(nr+1), ndeg(nr),stat=info)
|
|
if (info /= 0) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info, name)
|
|
goto 9999
|
|
end if
|
|
do i=1, nr
|
|
iold(i) = i
|
|
ndstk(i,:) = 0
|
|
k = 0
|
|
do j=acsr%irp(i),acsr%irp(i+1)-1
|
|
k = k + 1
|
|
ndstk(i,k) = acsr%ja(j)
|
|
end do
|
|
end do
|
|
perm = 0
|
|
|
|
call psb_gps_reduce(ndstk,nr,ideg,iold,perm,ndeg,ibw,ipf,idpth)
|
|
|
|
if (.not.psb_isaperm(nr,perm)) then
|
|
write(0,*) 'Something wrong: bad perm from gps_reduce'
|
|
info = psb_err_from_subroutine_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
! Move to coordinate to apply renumbering
|
|
call acsr%mv_to_coo(acoo,info)
|
|
do i=1, acoo%get_nzeros()
|
|
acoo%ia(i) = perm(acoo%ia(i))
|
|
acoo%ja(i) = perm(acoo%ja(i))
|
|
end do
|
|
call acoo%fix(info)
|
|
|
|
! Get back to where we started from
|
|
call aa%mv_from_coo(acoo,info)
|
|
call a%mv_from(aa)
|
|
if (present(operm)) then
|
|
call psb_realloc(nr,operm,info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
operm(1:nr) = perm(1:nr)
|
|
end if
|
|
|
|
deallocate(aa)
|
|
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_mat_renum_gps
|
|
|
|
|
|
subroutine psb_mat_renum_amd(a,info,operm)
|
|
#if defined(HAVE_AMD) && defined(HAVE_ISO_C_BINDING)
|
|
use iso_c_binding
|
|
#endif
|
|
use psb_base_mod
|
|
implicit none
|
|
type(psb_sspmat_type), intent(inout) :: a
|
|
integer(psb_ipk_), intent(out) :: info
|
|
integer(psb_ipk_), allocatable, optional, intent(out) :: operm(:)
|
|
|
|
!
|
|
#if defined(HAVE_AMD) && defined(HAVE_ISO_C_BINDING)
|
|
interface
|
|
function psb_amd_order(n,ap,ai,p)&
|
|
& result(res) bind(c,name='psb_amd_order')
|
|
use iso_c_binding
|
|
integer(c_int) :: res
|
|
integer(c_int), value :: n
|
|
integer(c_int) :: ap(*), ai(*), p(*)
|
|
end function psb_amd_order
|
|
end interface
|
|
#endif
|
|
|
|
type(psb_s_csc_sparse_mat) :: acsc
|
|
class(psb_s_base_sparse_mat), allocatable :: aa
|
|
type(psb_s_coo_sparse_mat) :: acoo
|
|
|
|
integer(psb_ipk_), allocatable :: perm(:)
|
|
integer(psb_ipk_) :: err_act
|
|
character(len=20) :: name
|
|
integer(psb_ipk_) :: i, j, k, ideg, nr, ibw, ipf, idpth, nz
|
|
|
|
info = psb_success_
|
|
name = 'mat_renum_amd'
|
|
call psb_erractionsave(err_act)
|
|
|
|
#if defined(HAVE_AMD) && defined(HAVE_ISO_C_BINDING)
|
|
|
|
info = psb_success_
|
|
nr = a%get_nrows()
|
|
nz = a%get_nzeros()
|
|
allocate(perm(nr),stat=info)
|
|
if (info /= 0) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
allocate(aa, mold=a%a)
|
|
call a%mv_to(acsc)
|
|
|
|
acsc%ia(:) = acsc%ia(:) - 1
|
|
acsc%icp(:) = acsc%icp(:) - 1
|
|
|
|
info = psb_amd_order(nr,acsc%icp,acsc%ia,perm)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_from_subroutine_
|
|
call psb_errpush(info,name,a_err='psb_amd_order')
|
|
goto 9999
|
|
end if
|
|
|
|
perm(:) = perm(:) + 1
|
|
acsc%ia(:) = acsc%ia(:) + 1
|
|
acsc%icp(:) = acsc%icp(:) + 1
|
|
|
|
call acsc%mv_to_coo(acoo,info)
|
|
do i=1, acoo%get_nzeros()
|
|
acoo%ia(i) = perm(acoo%ia(i))
|
|
acoo%ja(i) = perm(acoo%ja(i))
|
|
end do
|
|
call acoo%fix(info)
|
|
|
|
! Get back to where we started from
|
|
call aa%mv_from_coo(acoo,info)
|
|
call a%mv_from(aa)
|
|
if (present(operm)) then
|
|
call psb_realloc(nr,operm,info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
operm(1:nr) = perm(1:nr)
|
|
end if
|
|
|
|
deallocate(aa,perm)
|
|
|
|
#else
|
|
|
|
info = psb_err_missing_aux_lib_
|
|
call psb_errpush(info, name)
|
|
goto 9999
|
|
#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 psb_mat_renum_amd
|
|
|
|
end subroutine psb_s_mat_renum
|
|
|
|
|
|
subroutine psb_s_cmp_bwpf(mat,bwl,bwu,prf,info)
|
|
use psb_base_mod
|
|
use psb_renum_mod, psb_protect_name => psb_s_cmp_bwpf
|
|
implicit none
|
|
type(psb_sspmat_type), intent(in) :: mat
|
|
integer(psb_ipk_), intent(out) :: bwl, bwu
|
|
integer(psb_ipk_), intent(out) :: prf
|
|
integer(psb_ipk_), intent(out) :: info
|
|
!
|
|
integer(psb_ipk_), allocatable :: irow(:), icol(:)
|
|
real(psb_spk_), allocatable :: val(:)
|
|
integer(psb_ipk_) :: nz
|
|
integer(psb_ipk_) :: i, j, lrbu, lrbl
|
|
|
|
info = psb_success_
|
|
bwl = 0
|
|
bwu = 0
|
|
prf = 0
|
|
select type (aa=>mat%a)
|
|
class is (psb_s_csr_sparse_mat)
|
|
do i=1, aa%get_nrows()
|
|
lrbl = 0
|
|
lrbu = 0
|
|
do j = aa%irp(i), aa%irp(i+1) - 1
|
|
lrbl = max(lrbl,i-aa%ja(j))
|
|
lrbu = max(lrbu,aa%ja(j)-i)
|
|
end do
|
|
prf = prf + lrbl+lrbu
|
|
bwu = max(bwu,lrbu)
|
|
bwl = max(bwl,lrbu)
|
|
end do
|
|
|
|
class default
|
|
do i=1, aa%get_nrows()
|
|
lrbl = 0
|
|
lrbu = 0
|
|
call aa%csget(i,i,nz,irow,icol,val,info)
|
|
if (info /= psb_success_) return
|
|
do j=1, nz
|
|
lrbl = max(lrbl,i-icol(j))
|
|
lrbu = max(lrbu,icol(j)-i)
|
|
end do
|
|
prf = prf + lrbl+lrbu
|
|
bwu = max(bwu,lrbu)
|
|
bwl = max(bwl,lrbu)
|
|
end do
|
|
end select
|
|
|
|
end subroutine psb_s_cmp_bwpf
|