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psblas3/base/serial/impl/psb_s_coo_impl.f90

4073 lines
100 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 3.4
!!$ (C) Copyright 2006, 2010, 2015
!!$ 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_s_coo_get_diag(a,d,info)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_get_diag
use psb_error_mod
use psb_const_mod
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(out) :: d(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act,mnm, i, j
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='get_diag'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
mnm = min(a%get_nrows(),a%get_ncols())
if (size(d) < mnm) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d(1:mnm) = sone
else
d(1:mnm) = szero
do i=1,a%get_nzeros()
j=a%ia(i)
if ((j == a%ja(i)) .and.(j <= mnm ) .and.(j>0)) then
d(j) = a%val(i)
endif
enddo
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_get_diag
subroutine psb_s_coo_scal(d,a,info,side)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_scal
use psb_error_mod
use psb_const_mod
use psb_string_mod
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
real(psb_spk_), intent(in) :: d(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in), optional :: side
integer(psb_ipk_) :: err_act,mnm, i, j, m
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='scal'
character :: side_
logical :: left
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
call a%make_nonunit()
end if
side_ = 'L'
if (present(side)) then
side_ = psb_toupper(side)
end if
left = (side_ == 'L')
if (left) then
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do i=1,a%get_nzeros()
j = a%ia(i)
a%val(i) = a%val(i) * d(j)
enddo
else
m = a%get_ncols()
if (size(d) < m) then
info=psb_err_input_asize_invalid_i_
ierr(1) = 2; ierr(2) = size(d);
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
do i=1,a%get_nzeros()
j = a%ja(i)
a%val(i) = a%val(i) * d(j)
enddo
end if
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_scal
subroutine psb_s_coo_scals(d,a,info)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_scals
use psb_error_mod
use psb_const_mod
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
real(psb_spk_), intent(in) :: d
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act,mnm, i, j, m
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='scal'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
call a%make_nonunit()
end if
do i=1,a%get_nzeros()
a%val(i) = a%val(i) * d
enddo
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_scals
subroutine psb_s_coo_reallocate_nz(nz,a)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_reallocate_nz
use psb_error_mod
use psb_realloc_mod
implicit none
integer(psb_ipk_), intent(in) :: nz
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: err_act, info, nz_
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_reallocate_nz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
nz_ = max(nz,ione)
call psb_realloc(nz_,a%ia,a%ja,a%val,info)
if (info /= psb_success_) then
call psb_errpush(psb_err_alloc_dealloc_,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_reallocate_nz
subroutine psb_s_coo_mold(a,b,info)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_mold
use psb_error_mod
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
class(psb_s_base_sparse_mat), intent(inout), allocatable :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='coo_mold'
logical, parameter :: debug=.false.
call psb_get_erraction(err_act)
info = 0
if (allocated(b)) then
call b%free()
deallocate(b,stat=info)
end if
if (info == 0) allocate(psb_s_coo_sparse_mat :: b, stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
call psb_errpush(info, name)
goto 9999
end if
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_mold
subroutine psb_s_coo_reinit(a,clear)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_reinit
use psb_error_mod
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
logical, intent(in), optional :: clear
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='reinit'
logical :: clear_
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (present(clear)) then
clear_ = clear
else
clear_ = .true.
end if
if (a%is_dev()) call a%sync()
if (a%is_bld() .or. a%is_upd()) then
! do nothing
return
else if (a%is_asb()) then
if (clear_) a%val(:) = szero
call a%set_host()
call a%set_upd()
else
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_reinit
subroutine psb_s_coo_trim(a)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_trim
use psb_realloc_mod
use psb_error_mod
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: err_act, info, nz
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='trim'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
nz = a%get_nzeros()
if (info == psb_success_) call psb_realloc(nz,a%ia,info)
if (info == psb_success_) call psb_realloc(nz,a%ja,info)
if (info == psb_success_) call psb_realloc(nz,a%val,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_trim
subroutine psb_s_coo_clean_zeros(a, info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_clean_zeros
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_) :: info
!
integer(psb_ipk_) :: i,j,k, nzin
info = 0
nzin = a%get_nzeros()
j = 0
do i=1, nzin
if (a%val(i) /= szero) then
j = j + 1
a%val(j) = a%val(i)
a%ia(j) = a%ia(i)
a%ja(j) = a%ja(i)
end if
end do
call a%set_nzeros(j)
call a%trim()
end subroutine psb_s_coo_clean_zeros
subroutine psb_s_coo_allocate_mnnz(m,n,a,nz)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_allocate_mnnz
use psb_error_mod
use psb_realloc_mod
implicit none
integer(psb_ipk_), intent(in) :: m,n
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(in), optional :: nz
integer(psb_ipk_) :: err_act, info, nz_
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='allocate_mnz'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (m < 0) then
info = psb_err_iarg_neg_
ierr(1) = ione; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (n < 0) then
info = psb_err_iarg_neg_
ierr(1) = 2; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (present(nz)) then
nz_ = max(nz,ione)
else
nz_ = max(7*m,7*n,ione)
end if
if (nz_ < 0) then
info = psb_err_iarg_neg_
ierr(1) = 3; ierr(2) = izero;
call psb_errpush(info,name,i_err=ierr)
goto 9999
endif
if (info == psb_success_) call psb_realloc(nz_,a%ia,info)
if (info == psb_success_) call psb_realloc(nz_,a%ja,info)
if (info == psb_success_) call psb_realloc(nz_,a%val,info)
if (info == psb_success_) then
call a%set_nrows(m)
call a%set_ncols(n)
call a%set_nzeros(izero)
call a%set_bld()
call a%set_triangle(.false.)
call a%set_unit(.false.)
call a%set_dupl(psb_dupl_def_)
! An empty matrix is sorted!
call a%set_sorted(.true.)
call a%set_host()
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_allocate_mnnz
subroutine psb_s_coo_print(iout,a,iv,head,ivr,ivc)
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_print
use psb_string_mod
implicit none
integer(psb_ipk_), intent(in) :: iout
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in), optional :: iv(:)
character(len=*), optional :: head
integer(psb_ipk_), intent(in), optional :: ivr(:), ivc(:)
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_print'
logical, parameter :: debug=.false.
character(len=*), parameter :: datatype='real'
character(len=80) :: frmtv
integer(psb_ipk_) :: i,j, nmx, ni, nr, nc, nz
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
if (present(head)) write(iout,'(a,a)') '% ',head
write(iout,'(a)') '%'
write(iout,'(a,a)') '% COO'
if (a%is_dev()) call a%sync()
nr = a%get_nrows()
nc = a%get_ncols()
nz = a%get_nzeros()
nmx = max(nr,nc,1)
if (present(iv)) nmx = max(nmx,maxval(abs(iv)))
if (present(ivr)) nmx = max(nmx,maxval(abs(ivr)))
if (present(ivc)) nmx = max(nmx,maxval(abs(ivc)))
ni = floor(log10(1.0*nmx)) + 1
if (datatype=='real') then
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))'
else
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),2(es26.18,1x),2(i',ni,',1x))'
end if
write(iout,*) nr, nc, nz
if(present(iv)) then
do j=1,a%get_nzeros()
write(iout,frmtv) iv(a%ia(j)),iv(a%ja(j)),a%val(j)
enddo
else
if (present(ivr).and..not.present(ivc)) then
do j=1,a%get_nzeros()
write(iout,frmtv) ivr(a%ia(j)),a%ja(j),a%val(j)
enddo
else if (present(ivr).and.present(ivc)) then
do j=1,a%get_nzeros()
write(iout,frmtv) ivr(a%ia(j)),ivc(a%ja(j)),a%val(j)
enddo
else if (.not.present(ivr).and.present(ivc)) then
do j=1,a%get_nzeros()
write(iout,frmtv) a%ia(j),ivc(a%ja(j)),a%val(j)
enddo
else if (.not.present(ivr).and..not.present(ivc)) then
do j=1,a%get_nzeros()
write(iout,frmtv) a%ia(j),a%ja(j),a%val(j)
enddo
endif
endif
end subroutine psb_s_coo_print
function psb_s_coo_get_nz_row(idx,a) result(res)
use psb_const_mod
use psb_sort_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_get_nz_row
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: idx
integer(psb_ipk_) :: res
integer(psb_ipk_) :: nzin_, nza,ip,jp,i,k
if (a%is_dev()) call a%sync()
res = 0
nza = a%get_nzeros()
if (a%is_by_rows()) then
! In this case we can do a binary search.
ip = psb_ibsrch(idx,nza,a%ia)
if (ip /= -1) return
jp = ip
do
if (ip < 2) exit
if (a%ia(ip-1) == idx) then
ip = ip -1
else
exit
end if
end do
do
if (jp == nza) exit
if (a%ia(jp+1) == idx) then
jp = jp + 1
else
exit
end if
end do
res = jp - ip +1
else
res = 0
do i=1, nza
if (a%ia(i) == idx) then
res = res + 1
end if
end do
end if
end function psb_s_coo_get_nz_row
subroutine psb_s_coo_cssm(alpha,a,x,beta,y,info,trans)
use psb_const_mod
use psb_error_mod
use psb_string_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_cssm
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(in) :: alpha, beta, x(:,:)
real(psb_spk_), intent(inout) :: y(:,:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: tmp(:,:)
logical :: tra, ctra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_base_csmm'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (a%is_dev()) call a%sync()
if (.not. (a%is_triangle())) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
tra = (psb_toupper(trans_) == 'T')
ctra = (psb_toupper(trans_) == 'C')
m = a%get_nrows()
if (size(x,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
nc = min(size(x,2) , size(y,2))
nnz = a%get_nzeros()
if (alpha == szero) then
if (beta == szero) then
do i = 1, m
y(i,1:nc) = szero
enddo
else
do i = 1, m
y(i,1:nc) = beta*y(i,1:nc)
end do
endif
return
end if
if (beta == szero) then
call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),&
& m,nc,nnz,a%ia,a%ja,a%val,&
& x,size(x,1,kind=psb_ipk_),y,size(y,1,kind=psb_ipk_),info)
do i = 1, m
y(i,1:nc) = alpha*y(i,1:nc)
end do
else
allocate(tmp(m,nc), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
goto 9999
end if
call inner_coosm(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),&
& m,nc,nnz,a%ia,a%ja,a%val,&
& x,size(x,1,kind=psb_ipk_),tmp,size(tmp,1,kind=psb_ipk_),info)
do i = 1, m
y(i,1:nc) = alpha*tmp(i,1:nc) + beta*y(i,1:nc)
end do
end if
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='inner_coosm')
goto 9999
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine inner_coosm(tra,ctra,lower,unit,sorted,nr,nc,nz,&
& ia,ja,val,x,ldx,y,ldy,info)
implicit none
logical, intent(in) :: tra,ctra,lower,unit,sorted
integer(psb_ipk_), intent(in) :: nr,nc,nz,ldx,ldy,ia(*),ja(*)
real(psb_spk_), intent(in) :: val(*), x(ldx,*)
real(psb_spk_), intent(out) :: y(ldy,*)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i,j,k,m, ir, jc
real(psb_spk_), allocatable :: acc(:)
info = psb_success_
allocate(acc(nc), stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
return
end if
if (.not.sorted) then
info = psb_err_invalid_mat_state_
return
end if
nnz = nz
if ((.not.tra).and.(.not.ctra)) then
if (lower) then
if (unit) then
j = 1
do i=1, nr
acc(1:nc) = szero
do
if (j > nnz) exit
if (ia(j) > i) exit
acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc)
j = j + 1
end do
y(i,1:nc) = x(i,1:nc) - acc(1:nc)
end do
else if (.not.unit) then
j = 1
do i=1, nr
acc(1:nc) = szero
do
if (j > nnz) exit
if (ia(j) > i) exit
if (ja(j) == i) then
y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j)
j = j + 1
exit
end if
acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc)
j = j + 1
end do
end do
end if
else if (.not.lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc(1:nc) = szero
do
if (j < 1) exit
if (ia(j) < i) exit
acc(1:nc) = acc(1:nc) + val(j)*x(ja(j),1:nc)
j = j - 1
end do
y(i,1:nc) = x(i,1:nc) - acc(1:nc)
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
acc(1:nc) = szero
do
if (j < 1) exit
if (ia(j) < i) exit
if (ja(j) == i) then
y(i,1:nc) = (x(i,1:nc) - acc(1:nc))/val(j)
j = j - 1
exit
end if
acc(1:nc) = acc(1:nc) + val(j)*y(ja(j),1:nc)
j = j - 1
end do
end do
end if
end if
else if (tra) then
do i=1, nr
y(i,1:nc) = x(i,1:nc)
end do
if (lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc(1:nc) = y(i,1:nc)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc)
j = j - 1
end do
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
if (ja(j) == i) then
y(i,1:nc) = y(i,1:nc) /val(j)
j = j - 1
end if
acc(1:nc) = y(i,1:nc)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc)
j = j - 1
end do
end do
else if (.not.lower) then
if (unit) then
j = 1
do i=1, nr
acc(1:nc) = y(i,1:nc)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc)
j = j + 1
end do
end do
else if (.not.unit) then
j = 1
do i=1, nr
if (ja(j) == i) then
y(i,1:nc) = y(i,1:nc) /val(j)
j = j + 1
end if
acc(1:nc) = y(i,1:nc)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - val(j)*acc(1:nc)
j = j + 1
end do
end do
end if
end if
end if
else if (ctra) then
do i=1, nr
y(i,1:nc) = x(i,1:nc)
end do
if (lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc(1:nc) = y(i,1:nc)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc)
j = j - 1
end do
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
if (ja(j) == i) then
y(i,1:nc) = y(i,1:nc) / (val(j))
j = j - 1
end if
acc(1:nc) = y(i,1:nc)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc)
j = j - 1
end do
end do
else if (.not.lower) then
if (unit) then
j = 1
do i=1, nr
acc(1:nc) = y(i,1:nc)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc)
j = j + 1
end do
end do
else if (.not.unit) then
j = 1
do i=1, nr
if (ja(j) == i) then
y(i,1:nc) = y(i,1:nc) / (val(j))
j = j + 1
end if
acc(1:nc) = y(i,1:nc)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc,1:nc) = y(jc,1:nc) - (val(j))*acc(1:nc)
j = j + 1
end do
end do
end if
end if
end if
end if
end subroutine inner_coosm
end subroutine psb_s_coo_cssm
subroutine psb_s_coo_cssv(alpha,a,x,beta,y,info,trans)
use psb_const_mod
use psb_error_mod
use psb_string_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_cssv
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(in) :: alpha, beta, x(:)
real(psb_spk_), intent(inout) :: y(:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: tmp(:)
logical :: tra, ctra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_cssv_impl'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (a%is_dev()) call a%sync()
tra = (psb_toupper(trans_) == 'T')
ctra = (psb_toupper(trans_) == 'C')
m = a%get_nrows()
if (size(x,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (.not. (a%is_triangle())) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
end if
if (alpha == szero) then
if (beta == szero) then
do i = 1, m
y(i) = szero
enddo
else
do i = 1, m
y(i) = beta*y(i)
end do
endif
return
end if
if (beta == szero) then
call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),&
& a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,&
& x,y,info)
if (info /= psb_success_) then
call psb_errpush(info,name)
goto 9999
end if
do i = 1, m
y(i) = alpha*y(i)
end do
else
allocate(tmp(m), stat=info)
if (info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
goto 9999
end if
call inner_coosv(tra,ctra,a%is_lower(),a%is_unit(),a%is_by_rows(),&
& a%get_nrows(),a%get_nzeros(),a%ia,a%ja,a%val,&
& x,tmp,info)
if (info /= psb_success_) then
call psb_errpush(info,name)
goto 9999
end if
do i = 1, m
y(i) = alpha*tmp(i) + beta*y(i)
end do
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine inner_coosv(tra,ctra,lower,unit,sorted,nr,nz,&
& ia,ja,val,x,y,info)
implicit none
logical, intent(in) :: tra,ctra,lower,unit,sorted
integer(psb_ipk_), intent(in) :: nr,nz,ia(*),ja(*)
real(psb_spk_), intent(in) :: val(*), x(*)
real(psb_spk_), intent(out) :: y(*)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i,j,k,m, ir, jc, nnz
real(psb_spk_) :: acc
info = psb_success_
if (.not.sorted) then
info = psb_err_invalid_mat_state_
return
end if
nnz = nz
if ((.not.tra).and.(.not.ctra)) then
if (lower) then
if (unit) then
j = 1
do i=1, nr
acc = szero
do
if (j > nnz) exit
if (ia(j) > i) exit
acc = acc + val(j)*y(ja(j))
j = j + 1
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
j = 1
do i=1, nr
acc = szero
do
if (j > nnz) exit
if (ia(j) > i) exit
if (ja(j) == i) then
y(i) = (x(i) - acc)/val(j)
j = j + 1
exit
end if
acc = acc + val(j)*y(ja(j))
j = j + 1
end do
end do
end if
else if (.not.lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc = szero
do
if (j < 1) exit
if (ia(j) < i) exit
acc = acc + val(j)*y(ja(j))
j = j - 1
end do
y(i) = x(i) - acc
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
acc = szero
do
if (j < 1) exit
if (ia(j) < i) exit
if (ja(j) == i) then
y(i) = (x(i) - acc)/val(j)
j = j - 1
exit
end if
acc = acc + val(j)*y(ja(j))
j = j - 1
end do
end do
end if
end if
else if (tra) then
do i=1, nr
y(i) = x(i)
end do
if (lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc = y(i)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc) = y(jc) - val(j)*acc
j = j - 1
end do
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
if (ja(j) == i) then
y(i) = y(i) /val(j)
j = j - 1
end if
acc = y(i)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc) = y(jc) - val(j)*acc
j = j - 1
end do
end do
else if (.not.lower) then
if (unit) then
j = 1
do i=1, nr
acc = y(i)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc) = y(jc) - val(j)*acc
j = j + 1
end do
end do
else if (.not.unit) then
j = 1
do i=1, nr
if (ja(j) == i) then
y(i) = y(i) /val(j)
j = j + 1
end if
acc = y(i)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc) = y(jc) - val(j)*acc
j = j + 1
end do
end do
end if
end if
end if
else if (ctra) then
do i=1, nr
y(i) = x(i)
end do
if (lower) then
if (unit) then
j = nnz
do i=nr, 1, -1
acc = y(i)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc) = y(jc) - (val(j))*acc
j = j - 1
end do
end do
else if (.not.unit) then
j = nnz
do i=nr, 1, -1
if (ja(j) == i) then
y(i) = y(i) /(val(j))
j = j - 1
end if
acc = y(i)
do
if (j < 1) exit
if (ia(j) < i) exit
jc = ja(j)
y(jc) = y(jc) - (val(j))*acc
j = j - 1
end do
end do
else if (.not.lower) then
if (unit) then
j = 1
do i=1, nr
acc = y(i)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc) = y(jc) - (val(j))*acc
j = j + 1
end do
end do
else if (.not.unit) then
j = 1
do i=1, nr
if (ja(j) == i) then
y(i) = y(i) /(val(j))
j = j + 1
end if
acc = y(i)
do
if (j > nnz) exit
if (ia(j) > i) exit
jc = ja(j)
y(jc) = y(jc) - (val(j))*acc
j = j + 1
end do
end do
end if
end if
end if
end if
end subroutine inner_coosv
end subroutine psb_s_coo_cssv
subroutine psb_s_coo_csmv(alpha,a,x,beta,y,info,trans)
use psb_const_mod
use psb_error_mod
use psb_string_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csmv
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(in) :: alpha, beta, x(:)
real(psb_spk_), intent(inout) :: y(:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc
real(psb_spk_) :: acc
logical :: tra, ctra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_csmv_impl'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (a%is_dev()) call a%sync()
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
tra = (psb_toupper(trans_) == 'T')
ctra = (psb_toupper(trans_) == 'C')
if (tra.or.ctra) then
m = a%get_ncols()
n = a%get_nrows()
else
n = a%get_ncols()
m = a%get_nrows()
end if
if (size(x,1) < n) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = n;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
nnz = a%get_nzeros()
if (alpha == szero) then
if (beta == szero) then
do i = 1, m
y(i) = szero
enddo
else
do i = 1, m
y(i) = beta*y(i)
end do
endif
return
else
if (a%is_unit()) then
if (beta == szero) then
do i = 1, min(m,n)
y(i) = alpha*x(i)
enddo
do i = min(m,n)+1, m
y(i) = szero
enddo
else
do i = 1, min(m,n)
y(i) = beta*y(i) + alpha*x(i)
end do
do i = min(m,n)+1, m
y(i) = beta*y(i)
enddo
endif
else
if (beta == szero) then
do i = 1, m
y(i) = szero
enddo
else
do i = 1, m
y(i) = beta*y(i)
end do
endif
endif
end if
if ((.not.tra).and.(.not.ctra)) then
i = 1
j = i
if (nnz > 0) then
ir = a%ia(1)
acc = szero
do
if (i>nnz) then
y(ir) = y(ir) + alpha * acc
exit
endif
if (a%ia(i) /= ir) then
y(ir) = y(ir) + alpha * acc
ir = a%ia(i)
acc = szero
endif
acc = acc + a%val(i) * x(a%ja(i))
i = i + 1
enddo
end if
else if (tra) then
if (alpha == sone) then
i = 1
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) + a%val(i)*x(jc)
enddo
else if (alpha == -sone) then
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) - a%val(i)*x(jc)
enddo
else
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) + alpha*a%val(i)*x(jc)
enddo
end if !.....end testing on alpha
else if (ctra) then
if (alpha == sone) then
i = 1
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) + (a%val(i))*x(jc)
enddo
else if (alpha == -sone) then
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) - (a%val(i))*x(jc)
enddo
else
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir) = y(ir) + alpha*(a%val(i))*x(jc)
enddo
end if !.....end testing on alpha
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_csmv
subroutine psb_s_coo_csmm(alpha,a,x,beta,y,info,trans)
use psb_const_mod
use psb_error_mod
use psb_string_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csmm
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(in) :: alpha, beta, x(:,:)
real(psb_spk_), intent(inout) :: y(:,:)
integer(psb_ipk_), intent(out) :: info
character, optional, intent(in) :: trans
character :: trans_
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_), allocatable :: acc(:)
logical :: tra, ctra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_csmm_impl'
logical, parameter :: debug=.false.
info = psb_success_
call psb_erractionsave(err_act)
if (.not.a%is_asb()) then
info = psb_err_invalid_mat_state_
call psb_errpush(info,name)
goto 9999
endif
if (a%is_dev()) call a%sync()
if (present(trans)) then
trans_ = trans
else
trans_ = 'N'
end if
tra = (psb_toupper(trans_) == 'T')
ctra = (psb_toupper(trans_) == 'C')
if (tra.or.ctra) then
m = a%get_ncols()
n = a%get_nrows()
else
n = a%get_ncols()
m = a%get_nrows()
end if
if (size(x,1) < n) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = n;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(y,1) < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
nnz = a%get_nzeros()
nc = min(size(x,2), size(y,2))
allocate(acc(nc),stat=info)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='allocate')
goto 9999
end if
if (alpha == szero) then
if (beta == szero) then
do i = 1, m
y(i,1:nc) = szero
enddo
else
do i = 1, m
y(i,1:nc) = beta*y(i,1:nc)
end do
endif
return
else
if (a%is_unit()) then
if (beta == szero) then
do i = 1, min(m,n)
y(i,1:nc) = alpha*x(i,1:nc)
enddo
do i = min(m,n)+1, m
y(i,1:nc) = szero
enddo
else
do i = 1, min(m,n)
y(i,1:nc) = beta*y(i,1:nc) + alpha*x(i,1:nc)
end do
do i = min(m,n)+1, m
y(i,1:nc) = beta*y(i,1:nc)
enddo
endif
else
if (beta == szero) then
do i = 1, m
y(i,1:nc) = szero
enddo
else
do i = 1, m
y(i,1:nc) = beta*y(i,1:nc)
end do
endif
endif
end if
if (.not.tra) then
i = 1
j = i
if (nnz > 0) then
ir = a%ia(1)
acc = szero
do
if (i>nnz) then
y(ir,1:nc) = y(ir,1:nc) + alpha * acc
exit
endif
if (a%ia(i) /= ir) then
y(ir,1:nc) = y(ir,1:nc) + alpha * acc
ir = a%ia(i)
acc = szero
endif
acc = acc + a%val(i) * x(a%ja(i),1:nc)
i = i + 1
enddo
end if
else if (tra) then
if (alpha == sone) then
i = 1
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) + a%val(i)*x(jc,1:nc)
enddo
else if (alpha == -sone) then
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) - a%val(i)*x(jc,1:nc)
enddo
else
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) + alpha*a%val(i)*x(jc,1:nc)
enddo
end if !.....end testing on alpha
else if (ctra) then
if (alpha == sone) then
i = 1
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) + (a%val(i))*x(jc,1:nc)
enddo
else if (alpha == -sone) then
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) - (a%val(i))*x(jc,1:nc)
enddo
else
do i=1,nnz
ir = a%ja(i)
jc = a%ia(i)
y(ir,1:nc) = y(ir,1:nc) + alpha*(a%val(i))*x(jc,1:nc)
enddo
end if !.....end testing on alpha
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_csmm
function psb_s_coo_maxval(a) result(res)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_maxval
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_) :: res
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_maxval'
logical, parameter :: debug=.false.
if (a%is_dev()) call a%sync()
if (a%is_unit()) then
res = sone
else
res = szero
end if
nnz = a%get_nzeros()
if (allocated(a%val)) then
nnz = min(nnz,size(a%val))
res = maxval(abs(a%val(1:nnz)))
end if
end function psb_s_coo_maxval
function psb_s_coo_csnmi(a) result(res)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csnmi
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_) :: res
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra, is_unit
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_csnmi'
logical, parameter :: debug=.false.
if (a%is_dev()) call a%sync()
res = szero
nnz = a%get_nzeros()
is_unit = a%is_unit()
if (a%is_by_rows()) then
i = 1
j = i
res = szero
do while (i<=nnz)
do while ((a%ia(j) == a%ia(i)).and. (j <= nnz))
j = j+1
enddo
if (is_unit) then
acc = sone
else
acc = szero
end if
do k=i, j-1
acc = acc + abs(a%val(k))
end do
res = max(res,acc)
i = j
end do
else
m = a%get_nrows()
allocate(vt(m),stat=info)
if (info /= 0) return
if (is_unit) then
vt = sone
else
vt = szero
end if
do j=1, nnz
i = a%ia(j)
vt(i) = vt(i) + abs(a%val(j))
end do
res = maxval(vt(1:m))
deallocate(vt,stat=info)
end if
end function psb_s_coo_csnmi
function psb_s_coo_csnm1(a) result(res)
use psb_error_mod
use psb_const_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csnm1
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_) :: res
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc, info
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_csnm1'
logical, parameter :: debug=.false.
if (a%is_dev()) call a%sync()
res = szero
nnz = a%get_nzeros()
n = a%get_ncols()
allocate(vt(n),stat=info)
if (info /= 0) return
if (a%is_unit()) then
vt = sone
else
vt = szero
end if
do j=1, nnz
i = a%ja(j)
vt(i) = vt(i) + abs(a%val(j))
end do
res = maxval(vt(1:n))
deallocate(vt,stat=info)
return
end function psb_s_coo_csnm1
subroutine psb_s_coo_rowsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_rowsum
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = sone
else
d = szero
end if
nnz = a%get_nzeros()
do j=1, nnz
i = a%ia(j)
d(i) = d(i) + a%val(j)
end do
return
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_rowsum
subroutine psb_s_coo_arwsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_arwsum
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='rowsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
m = a%get_nrows()
if (size(d) < m) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = sone
else
d = szero
end if
nnz = a%get_nzeros()
do j=1, nnz
i = a%ia(j)
d(i) = d(i) + abs(a%val(j))
end do
return
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_arwsum
subroutine psb_s_coo_colsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_colsum
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='colsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = n
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = sone
else
d = szero
end if
nnz = a%get_nzeros()
do j=1, nnz
k = a%ja(j)
d(k) = d(k) + a%val(j)
end do
return
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_colsum
subroutine psb_s_coo_aclsum(d,a)
use psb_error_mod
use psb_const_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_aclsum
class(psb_s_coo_sparse_mat), intent(in) :: a
real(psb_spk_), intent(out) :: d(:)
integer(psb_ipk_) :: i,j,k,m,n, nnz, ir, jc, nc
real(psb_spk_) :: acc
real(psb_spk_), allocatable :: vt(:)
logical :: tra
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='aclsum'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
n = a%get_ncols()
if (size(d) < n) then
info=psb_err_input_asize_small_i_
ierr(1) = 1; ierr(2) = size(d); ierr(3) = n
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (a%is_unit()) then
d = sone
else
d = szero
end if
nnz = a%get_nzeros()
do j=1, nnz
k = a%ja(j)
d(k) = d(k) + abs(a%val(j))
end do
return
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_coo_aclsum
! == ==================================
!
!
!
! Data management
!
!
!
!
!
! == ==================================
subroutine psb_s_coo_csgetptn(imin,imax,a,nz,ia,ja,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csgetptn
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: imin,imax
integer(psb_ipk_), intent(out) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_ipk_), intent(in), optional :: iren(:)
integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
if (present(jmin)) then
jmin_ = jmin
else
jmin_ = 1
endif
if (present(jmax)) then
jmax_ = jmax
else
jmax_ = a%get_ncols()
endif
if ((imax<imin).or.(jmax_<jmin_)) return
if (present(append)) then
append_=append
else
append_=.false.
endif
if ((append_).and.(present(nzin))) then
nzin_ = nzin
else
nzin_ = 0
endif
if (present(rscale)) then
rscale_ = rscale
else
rscale_ = .false.
endif
if (present(cscale)) then
cscale_ = cscale
else
cscale_ = .false.
endif
if ((rscale_.or.cscale_).and.(present(iren))) then
info = psb_err_many_optional_arg_
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
goto 9999
end if
call coo_getptn(imin,imax,jmin_,jmax_,a,nz,ia,ja,nzin_,append_,info,&
& iren)
if (rscale_) then
do i=nzin_+1, nzin_+nz
ia(i) = ia(i) - imin + 1
end do
end if
if (cscale_) then
do i=nzin_+1, nzin_+nz
ja(i) = ja(i) - jmin_ + 1
end do
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine coo_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_) :: imin,imax,jmin,jmax
integer(psb_ipk_), intent(inout) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
integer(psb_ipk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_ipk_), optional :: iren(:)
integer(psb_ipk_) :: nzin_, nza, idx,ip,jp,i,k, nzt, irw, lrw,nrd
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='coo_getptn'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
nza = a%get_nzeros()
irw = imin
lrw = imax
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
if (a%is_by_rows()) then
! In this case we can do a binary search.
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name), ': srtdcoo '
do
ip = psb_ibsrch(irw,nza,a%ia)
if (ip /= -1) exit
irw = irw + 1
if (irw > imax) then
write(debug_unit,*) trim(name),&
& 'Warning : did not find any rows. Is this an error? ',&
& irw,lrw,imin
exit
end if
end do
if (ip /= -1) then
! expand [ip,jp] to contain all row entries.
do
if (ip < 2) exit
if (a%ia(ip-1) == irw) then
ip = ip -1
else
exit
end if
end do
end if
do
jp = psb_ibsrch(lrw,nza,a%ia)
if (jp /= -1) exit
lrw = lrw - 1
if (irw > lrw) then
write(debug_unit,*) trim(name),&
& 'Warning : did not find any rows. Is this an error?'
exit
end if
end do
if (jp /= -1) then
! expand [ip,jp] to contain all row entries.
do
if (jp == nza) exit
if (a%ia(jp+1) == lrw) then
jp = jp + 1
else
exit
end if
end do
end if
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': ip jp',ip,jp,nza
if ((ip /= -1) .and.(jp /= -1)) then
! Now do the copy.
nzt = jp - ip +1
nz = 0
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info /= psb_success_) return
if (present(iren)) then
do i=ip,jp
if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
ia(nzin_) = iren(a%ia(i))
ja(nzin_) = iren(a%ja(i))
end if
enddo
else
do i=ip,jp
if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
nzin_ = nzin_ + 1
nz = nz + 1
ia(nzin_) = a%ia(i)
ja(nzin_) = a%ja(i)
end if
enddo
end if
else
nz = 0
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': unsorted '
nrd = max(a%get_nrows(),1)
nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1)
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info /= psb_success_) return
if (present(iren)) then
k = 0
do i=1, a%get_nzeros()
if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.&
& (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
k = k + 1
if (k > nzt) then
nzt = k + nzt
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info /= psb_success_) return
end if
ia(nzin_+k) = iren(a%ia(i))
ja(nzin_+k) = iren(a%ja(i))
endif
enddo
else
k = 0
do i=1,a%get_nzeros()
if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.&
& (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
k = k + 1
if (k > nzt) then
nzt = k + nzt
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info /= psb_success_) return
end if
ia(nzin_+k) = (a%ia(i))
ja(nzin_+k) = (a%ja(i))
endif
enddo
nzin_=nzin_+k
end if
nz = k
end if
end subroutine coo_getptn
end subroutine psb_s_coo_csgetptn
!
! NZ is the number of non-zeros on output.
! The output is guaranteed to be sorted
!
subroutine psb_s_coo_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
& jmin,jmax,iren,append,nzin,rscale,cscale)
! Output is always in COO format
use psb_error_mod
use psb_const_mod
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csgetrow
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_), intent(in) :: imin,imax
integer(psb_ipk_), intent(out) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_spk_), allocatable, intent(inout) :: val(:)
integer(psb_ipk_),intent(out) :: info
logical, intent(in), optional :: append
integer(psb_ipk_), intent(in), optional :: iren(:)
integer(psb_ipk_), intent(in), optional :: jmin,jmax, nzin
logical, intent(in), optional :: rscale,cscale
logical :: append_, rscale_, cscale_
integer(psb_ipk_) :: nzin_, jmin_, jmax_, err_act, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='csget'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
info = psb_success_
nz = 0
if (present(jmin)) then
jmin_ = jmin
else
jmin_ = 1
endif
if (present(jmax)) then
jmax_ = jmax
else
jmax_ = a%get_ncols()
endif
if ((imax<imin).or.(jmax_<jmin_)) return
if (present(append)) then
append_=append
else
append_=.false.
endif
if ((append_).and.(present(nzin))) then
nzin_ = nzin
else
nzin_ = 0
endif
if (present(rscale)) then
rscale_ = rscale
else
rscale_ = .false.
endif
if (present(cscale)) then
cscale_ = cscale
else
cscale_ = .false.
endif
if ((rscale_.or.cscale_).and.(present(iren))) then
info = psb_err_many_optional_arg_
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
goto 9999
end if
call coo_getrow(imin,imax,jmin_,jmax_,a,nz,ia,ja,val,nzin_,append_,info,&
& iren)
if (rscale_) then
do i=nzin_+1, nzin_+nz
ia(i) = ia(i) - imin + 1
end do
end if
if (cscale_) then
do i=nzin_+1, nzin_+nz
ja(i) = ja(i) - jmin_ + 1
end do
end if
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine coo_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,info,&
& iren)
use psb_const_mod
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
use psb_ip_reord_mod
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
integer(psb_ipk_) :: imin,imax,jmin,jmax
integer(psb_ipk_), intent(inout) :: nz
integer(psb_ipk_), allocatable, intent(inout) :: ia(:), ja(:)
real(psb_spk_), allocatable, intent(inout) :: val(:)
integer(psb_ipk_), intent(in) :: nzin
logical, intent(in) :: append
integer(psb_ipk_) :: info
integer(psb_ipk_), optional :: iren(:)
integer(psb_ipk_) :: nzin_, nza, idx,ip,jp,i,k, nzt, irw, lrw, nra, nca, nrd
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='coo_getrow'
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
nra = a%get_nrows()
nca = a%get_ncols()
nza = a%get_nzeros()
irw = imin
lrw = imax
if (irw<0) then
info = psb_err_pivot_too_small_
return
end if
if (append) then
nzin_ = nzin
else
nzin_ = 0
endif
if (a%is_by_rows()) then
! In this case we can do a binary search.
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name), ': srtdcoo '
do
ip = psb_ibsrch(irw,nza,a%ia)
if (ip /= -1) exit
irw = irw + 1
if (irw > imax) then
write(debug_unit,*) trim(name),&
& 'Warning : did not find any rows. Is this an error? ',&
& irw,lrw,imin
exit
end if
end do
if (ip /= -1) then
! expand [ip,jp] to contain all row entries.
do
if (ip < 2) exit
if (a%ia(ip-1) == irw) then
ip = ip -1
else
exit
end if
end do
end if
do
jp = psb_ibsrch(lrw,nza,a%ia)
if (jp /= -1) exit
lrw = lrw - 1
if (irw > lrw) then
write(debug_unit,*) trim(name),&
& 'Warning : did not find any rows. Is this an error?'
exit
end if
end do
if (jp /= -1) then
! expand [ip,jp] to contain all row entries.
do
if (jp == nza) exit
if (a%ia(jp+1) == lrw) then
jp = jp + 1
else
exit
end if
end do
end if
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': ip jp',ip,jp,nza
if ((ip /= -1) .and.(jp /= -1)) then
! Now do the copy.
nzt = jp - ip +1
nz = 0
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
if (info /= psb_success_) return
if (present(iren)) then
do i=ip,jp
if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
nz = nz + 1
val(nzin_+nz) = a%val(i)
ia(nzin_+nz) = iren(a%ia(i))
ja(nzin_+nz) = iren(a%ja(i))
end if
enddo
call psb_s_fix_coo_inner(nra,nca,nzin_+nz,psb_dupl_add_,ia,ja,val,nz,info)
nz = nz - nzin_
else
do i=ip,jp
if ((jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
nz = nz + 1
val(nzin_+nz) = a%val(i)
ia(nzin_+nz) = a%ia(i)
ja(nzin_+nz) = a%ja(i)
end if
enddo
end if
else
nz = 0
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': unsorted '
nrd = max(a%get_nrows(),1)
nzt = ((nza+nrd-1)/nrd)*(lrw-irw+1)
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
if (info /= psb_success_) return
if (present(iren)) then
k = 0
do i=1, a%get_nzeros()
if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.&
& (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
k = k + 1
if (k > nzt) then
nzt = k + nzt
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
if (info /= psb_success_) return
end if
val(nzin_+k) = a%val(i)
ia(nzin_+k) = iren(a%ia(i))
ja(nzin_+k) = iren(a%ja(i))
endif
enddo
else
k = 0
do i=1,a%get_nzeros()
if ((a%ia(i)>=irw).and.(a%ia(i)<=lrw).and.&
& (jmin <= a%ja(i)).and.(a%ja(i)<=jmax)) then
k = k + 1
if (k > nzt) then
nzt = k + nzt
call psb_ensure_size(nzin_+nzt,ia,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
if (info /= psb_success_) return
end if
val(nzin_+k) = a%val(i)
ia(nzin_+k) = (a%ia(i))
ja(nzin_+k) = (a%ja(i))
endif
enddo
end if
call psb_s_fix_coo_inner(nra,nca,nzin_+k,psb_dupl_add_,ia,ja,val,nz,info)
nz = nz - nzin_
end if
end subroutine coo_getrow
end subroutine psb_s_coo_csgetrow
subroutine psb_s_coo_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
use psb_error_mod
use psb_realloc_mod
use psb_sort_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_csput_a
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
real(psb_spk_), intent(in) :: val(:)
integer(psb_ipk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), intent(in), optional :: gtl(:)
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='s_coo_csput_a_impl'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: nza, i,j,k, nzl, isza, debug_level, debug_unit
info = psb_success_
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
call psb_erractionsave(err_act)
if (a%is_dev()) call a%sync()
if (nz < 0) then
info = psb_err_iarg_neg_
ierr(1)=1
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ia) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=2
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(ja) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=3
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (size(val) < nz) then
info = psb_err_input_asize_invalid_i_
ierr(1)=4
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (nz == 0) return
nza = a%get_nzeros()
isza = a%get_size()
if (a%is_bld()) then
! Build phase. Must handle reallocations in a sensible way.
if (isza < (nza+nz)) then
call a%reallocate(max(nza+nz,int(1.5*isza)))
endif
isza = a%get_size()
if (isza < (nza+nz)) then
info = psb_err_alloc_dealloc_; call psb_errpush(info,name)
goto 9999
end if
call psb_inner_ins(nz,ia,ja,val,nza,a%ia,a%ja,a%val,isza,&
& imin,imax,jmin,jmax,info,gtl)
call a%set_nzeros(nza)
call a%set_sorted(.false.)
else if (a%is_upd()) then
if (a%is_dev()) call a%sync()
call s_coo_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info,gtl)
if (info < 0) then
info = psb_err_internal_error_
else if (info > 0) then
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarded entries not belonging to us.'
info = psb_success_
end if
else
! State is wrong.
info = psb_err_invalid_mat_state_
end if
if (info /= psb_success_) then
call psb_errpush(info,name)
goto 9999
end if
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine psb_inner_ins(nz,ia,ja,val,nza,ia1,ia2,aspk,maxsz,&
& imin,imax,jmin,jmax,info,gtl)
implicit none
integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax,maxsz
integer(psb_ipk_), intent(in) :: ia(:),ja(:)
integer(psb_ipk_), intent(inout) :: nza,ia1(:),ia2(:)
real(psb_spk_), intent(in) :: val(:)
real(psb_spk_), intent(inout) :: aspk(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), intent(in), optional :: gtl(:)
integer(psb_ipk_) :: i,ir,ic,ng
info = psb_success_
if (present(gtl)) then
ng = size(gtl)
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
ic = gtl(ic)
if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then
nza = nza + 1
ia1(nza) = ir
ia2(nza) = ic
aspk(nza) = val(i)
end if
end if
end do
else
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=imin).and.(ir<=imax).and.(ic>=jmin).and.(ic<=jmax)) then
nza = nza + 1
ia1(nza) = ir
ia2(nza) = ic
aspk(nza) = val(i)
end if
end do
end if
end subroutine psb_inner_ins
subroutine s_coo_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info,gtl)
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax
integer(psb_ipk_), intent(in) :: ia(:),ja(:)
real(psb_spk_), intent(in) :: val(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), intent(in), optional :: gtl(:)
integer(psb_ipk_) :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,nnz,dupl,ng, nr
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='s_coo_srch_upd'
info = psb_success_
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = a%get_dupl()
if (.not.a%is_sorted()) then
info = -4
return
end if
ilr = -1
ilc = -1
nnz = a%get_nzeros()
nr = a%get_nrows()
nc = a%get_ncols()
if (present(gtl)) then
ng = size(gtl)
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
if ((ir > 0).and.(ir <= nr)) then
ic = gtl(ic)
if (ir /= ilr) then
i1 = psb_ibsrch(ir,nnz,a%ia)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia(i2+1) /= a%ia(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia(i1-1) /= a%ia(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
ip = psb_issrch(ic,nc,a%ja(i1:i2))
if (ip>0) then
a%val(i1+ip-1) = val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
endif
else
info = max(info,1)
end if
end do
case(psb_dupl_add_)
! Add
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
ic = gtl(ic)
if ((ir > 0).and.(ir <= nr)) then
if (ir /= ilr) then
i1 = psb_ibsrch(ir,nnz,a%ia)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia(i2+1) /= a%ia(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia(i1-1) /= a%ia(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
ip = psb_issrch(ic,nc,a%ja(i1:i2))
if (ip>0) then
a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
end if
else
info = max(info,1)
end if
end do
case default
info = -3
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Duplicate handling: ',dupl
end select
else
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= nr)) then
if (ir /= ilr) then
i1 = psb_ibsrch(ir,nnz,a%ia)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia(i2+1) /= a%ia(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia(i1-1) /= a%ia(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
ip = psb_issrch(ic,nc,a%ja(i1:i2))
if (ip>0) then
a%val(i1+ip-1) = val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
end if
end do
case(psb_dupl_add_)
! Add
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= nr)) then
if (ir /= ilr) then
i1 = psb_ibsrch(ir,nnz,a%ia)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia(i2+1) /= a%ia(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia(i1-1) /= a%ia(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
ip = psb_issrch(ic,nc,a%ja(i1:i2))
if (ip>0) then
a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
else
info = max(info,3)
end if
else
info = max(info,2)
end if
end do
case default
info = -3
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Duplicate handling: ',dupl
end select
end if
end subroutine s_coo_srch_upd
end subroutine psb_s_coo_csput_a
subroutine psb_s_cp_coo_to_coo(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_cp_coo_to_coo
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
class(psb_s_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act, nz
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
b%psb_s_base_sparse_mat = a%psb_s_base_sparse_mat
call b%set_sort_status(a%get_sort_status())
nz = a%get_nzeros()
call b%set_nzeros(nz)
call b%reallocate(nz)
b%ia(1:nz) = a%ia(1:nz)
b%ja(1:nz) = a%ja(1:nz)
b%val(1:nz) = a%val(1:nz)
call b%set_host()
if (.not.b%is_by_rows()) call b%fix(info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_cp_coo_to_coo
subroutine psb_s_cp_coo_from_coo(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_cp_coo_from_coo
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_coo_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: m,n,nz
call psb_erractionsave(err_act)
info = psb_success_
if (b%is_dev()) call b%sync()
a%psb_s_base_sparse_mat = b%psb_s_base_sparse_mat
call a%set_sort_status(b%get_sort_status())
nz = b%get_nzeros()
call a%set_nzeros(nz)
call a%reallocate(nz)
a%ia(1:nz) = b%ia(1:nz)
a%ja(1:nz) = b%ja(1:nz)
a%val(1:nz) = b%val(1:nz)
call a%set_host()
if (.not.a%is_by_rows()) call a%fix(info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_cp_coo_from_coo
subroutine psb_s_cp_coo_to_fmt(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_cp_coo_to_fmt
implicit none
class(psb_s_coo_sparse_mat), intent(in) :: a
class(psb_s_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call b%cp_from_coo(a,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_cp_coo_to_fmt
subroutine psb_s_cp_coo_from_fmt(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_cp_coo_from_fmt
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_base_sparse_mat), intent(in) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: m,n,nz
call psb_erractionsave(err_act)
info = psb_success_
call b%cp_to_coo(a,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_cp_coo_from_fmt
subroutine psb_s_mv_coo_to_coo(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_mv_coo_to_coo
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
if (a%is_dev()) call a%sync()
b%psb_s_base_sparse_mat = a%psb_s_base_sparse_mat
call b%set_sort_status(a%get_sort_status())
call b%set_nzeros(a%get_nzeros())
call move_alloc(a%ia, b%ia)
call move_alloc(a%ja, b%ja)
call move_alloc(a%val, b%val)
call b%set_host()
call a%free()
if (.not.b%is_by_rows()) call b%fix(info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_mv_coo_to_coo
subroutine psb_s_mv_coo_from_coo(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_mv_coo_from_coo
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: m,n,nz
call psb_erractionsave(err_act)
info = psb_success_
if (b%is_dev()) call b%sync()
a%psb_s_base_sparse_mat = b%psb_s_base_sparse_mat
call a%set_sort_status(b%get_sort_status())
call a%set_nzeros(b%get_nzeros())
call move_alloc(b%ia , a%ia )
call move_alloc(b%ja , a%ja )
call move_alloc(b%val, a%val )
call b%free()
call a%set_host()
if (.not.a%is_by_rows()) call a%fix(info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_mv_coo_from_coo
subroutine psb_s_mv_coo_to_fmt(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_mv_coo_to_fmt
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='to_coo'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call b%mv_from_coo(a,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_mv_coo_to_fmt
subroutine psb_s_mv_coo_from_fmt(a,b,info)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_mv_coo_from_fmt
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
class(psb_s_base_sparse_mat), intent(inout) :: b
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='from_coo'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: m,n,nz
call psb_erractionsave(err_act)
info = psb_success_
call b%mv_to_coo(a,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_mv_coo_from_fmt
subroutine psb_s_coo_cp_from(a,b)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_cp_from
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
type(psb_s_coo_sparse_mat), intent(in) :: b
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='cp_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call a%cp_from_coo(b,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_coo_cp_from
subroutine psb_s_coo_mv_from(a,b)
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_coo_mv_from
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
type(psb_s_coo_sparse_mat), intent(inout) :: b
integer(psb_ipk_) :: err_act, info
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name='mv_from'
logical, parameter :: debug=.false.
call psb_erractionsave(err_act)
info = psb_success_
call a%mv_from_coo(b,info)
if (info /= psb_success_) goto 9999
call psb_erractionrestore(err_act)
return
9999 continue
call psb_errpush(info,name)
call psb_error_handler(err_act)
return
end subroutine psb_s_coo_mv_from
subroutine psb_s_fix_coo(a,info,idir)
use psb_const_mod
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_fix_coo
implicit none
class(psb_s_coo_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), intent(in), optional :: idir
integer(psb_ipk_), allocatable :: iaux(:)
!locals
integer(psb_ipk_) :: nza, nzl,iret,idir_, dupl_, nra, nca
integer(psb_ipk_) :: i,j, irw, icl, err_act
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name = 'psb_fixcoo'
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
if(debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': start ',&
& size(a%ia),size(a%ja)
if (present(idir)) then
idir_ = idir
else
idir_ = psb_row_major_
endif
if (a%is_dev()) call a%sync()
nra = a%get_nrows()
nca = a%get_ncols()
nza = a%get_nzeros()
if (nza >= 2) then
dupl_ = a%get_dupl()
call psb_s_fix_coo_inner(nra,nca,nza,dupl_,a%ia,a%ja,a%val,i,info,idir_)
if (info /= psb_success_) goto 9999
else
i = nza
end if
call a%set_sort_status(idir_)
call a%set_nzeros(i)
call a%set_asb()
call a%set_host()
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_fix_coo
subroutine psb_s_fix_coo_inner(nr,nc,nzin,dupl,ia,ja,val,nzout,info,idir)
use psb_const_mod
use psb_error_mod
use psb_s_base_mat_mod, psb_protect_name => psb_s_fix_coo_inner
use psb_string_mod
use psb_ip_reord_mod
implicit none
integer(psb_ipk_), intent(in) :: nr, nc, nzin, dupl
integer(psb_ipk_), intent(inout) :: ia(:), ja(:)
real(psb_spk_), intent(inout) :: val(:)
integer(psb_ipk_), intent(out) :: nzout, info
integer(psb_ipk_), intent(in), optional :: idir
!locals
integer(psb_ipk_), allocatable :: iaux(:), ias(:),jas(:), ix2(:)
real(psb_spk_), allocatable :: vs(:)
integer(psb_ipk_) :: nza, nzl,iret,idir_, dupl_
integer(psb_ipk_) :: i,j, irw, icl, err_act, ip,is, imx, k, ii
integer(psb_ipk_) :: debug_level, debug_unit
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name = 'psb_fixcoo'
logical :: srt_inp, use_buffers
info = psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
if(debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),': start ',&
& size(ia),size(ja)
if (present(idir)) then
idir_ = idir
else
idir_ = psb_row_major_
endif
if (nzin < 2) then
call psb_erractionrestore(err_act)
return
end if
dupl_ = dupl
allocate(iaux(max(nr,nc,nzin)+2),stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
end if
allocate(ias(nzin),jas(nzin),vs(nzin),ix2(max(nr,nc,nzin)+2), stat=info)
use_buffers = (info == 0)
select case(idir_)
case(psb_row_major_)
! Row major order
if (use_buffers) then
if (.not.( (ia(1) < 1).or.(ia(1)> nr)) ) then
iaux(:) = 0
iaux(ia(1)) = iaux(ia(1)) + 1
srt_inp = .true.
do i=2,nzin
if ( (ia(i) < 1).or.(ia(i)> nr)) then
use_buffers = .false.
srt_inp = .false.
exit
end if
iaux(ia(i)) = iaux(ia(i)) + 1
srt_inp = srt_inp .and.(ia(i-1)<=ia(i))
end do
else
use_buffers=.false.
end if
end if
! Check again use_buffers.
if (use_buffers) then
if (srt_inp) then
! If input was already row-major
! we can do it row-by-row here.
k = 0
i = 1
do j=1, nr
nzl = iaux(j)
imx = i+nzl-1
if (nzl > 0) then
call psi_i_msort_up(nzl,ja(i:imx),ix2,iret)
if (iret == 0) &
& call psb_ip_reord(nzl,val(i:imx),&
& ia(i:imx),ja(i:imx),ix2)
select case(dupl_)
case(psb_dupl_ovwrt_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
val(k) = val(i)
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_add_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
val(k) = val(k) + val(i)
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_err_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
return
end select
endif
!i = i + nzl
enddo
else if (.not.srt_inp) then
! If input was not already row-major
! we have to sort all
ip = iaux(1)
iaux(1) = 0
do i=2, nr
is = iaux(i)
iaux(i) = ip
ip = ip + is
end do
iaux(nr+1) = ip
do i=1,nzin
irw = ia(i)
ip = iaux(irw) + 1
ias(ip) = ia(i)
jas(ip) = ja(i)
vs(ip) = val(i)
iaux(irw) = ip
end do
k = 0
i = 1
do j=1, nr
nzl = iaux(j)-i+1
imx = i+nzl-1
if (nzl > 0) then
call psi_i_msort_up(nzl,jas(i:imx),ix2,iret)
if (iret == 0) &
& call psb_ip_reord(nzl,vs(i:imx),&
& ias(i:imx),jas(i:imx),ix2)
select case(dupl_)
case(psb_dupl_ovwrt_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
val(k) = vs(i)
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_add_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
val(k) = val(k) + vs(i)
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_err_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
return
end select
endif
enddo
end if
i=k
deallocate(ias,jas,vs,ix2, stat=info)
else if (.not.use_buffers) then
!
! If we did not have enough memory for buffers,
! let's try in place.
!
call psi_i_msort_up(nzin,ia(1:),iaux(1:),iret)
if (iret == 0) &
& call psb_ip_reord(nzin,val,ia,ja,iaux)
i = 1
j = i
do while (i <= nzin)
do while ((ia(j) == ia(i)))
j = j+1
if (j > nzin) exit
enddo
nzl = j - i
call psi_i_msort_up(nzl,ja(i:),iaux(1:),iret)
if (iret == 0) &
& call psb_ip_reord(nzl,val(i:i+nzl-1),&
& ia(i:i+nzl-1),ja(i:i+nzl-1),iaux)
i = j
enddo
i = 1
irw = ia(i)
icl = ja(i)
j = 1
select case(dupl_)
case(psb_dupl_ovwrt_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
val(i) = val(j)
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case(psb_dupl_add_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
val(i) = val(i) + val(j)
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case(psb_dupl_err_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
end select
endif
if(debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': end second loop'
case(psb_col_major_)
if (use_buffers) then
iaux(:) = 0
if (.not.( (ja(1) < 1).or.(ja(1)> nc)) ) then
iaux(ja(1)) = iaux(ja(1)) + 1
srt_inp = .true.
do i=2,nzin
if ( (ja(i) < 1).or.(ja(i)> nc)) then
use_buffers = .false.
srt_inp = .false.
exit
end if
iaux(ja(i)) = iaux(ja(i)) + 1
srt_inp = srt_inp .and.(ja(i-1)<=ja(i))
end do
else
use_buffers=.false.
end if
end if
!use_buffers=use_buffers.and.srt_inp
! Check again use_buffers.
if (use_buffers) then
if (srt_inp) then
! If input was already col-major
! we can do it col-by-col here.
k = 0
i = 1
do j=1, nc
nzl = iaux(j)
imx = i+nzl-1
if (nzl > 0) then
call psi_i_msort_up(nzl,ia(i:imx),ix2,iret)
if (iret == 0) &
& call psb_ip_reord(nzl,val(i:imx),&
& ia(i:imx),ja(i:imx),ix2)
select case(dupl_)
case(psb_dupl_ovwrt_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
val(k) = val(i)
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_add_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
val(k) = val(k) + val(i)
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_err_)
k = k + 1
ia(k) = ia(i)
ja(k) = ja(i)
val(k) = val(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ia(i) == irw).and.(ja(i) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
k = k+1
val(k) = val(i)
ia(k) = ia(i)
ja(k) = ja(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
return
end select
endif
!i = i + nzl
enddo
else if (.not.srt_inp) then
! If input was not already col-major
! we have to sort all
ip = iaux(1)
iaux(1) = 0
do i=2, nc
is = iaux(i)
iaux(i) = ip
ip = ip + is
end do
iaux(nc+1) = ip
do i=1,nzin
icl = ja(i)
ip = iaux(icl) + 1
ias(ip) = ia(i)
jas(ip) = ja(i)
vs(ip) = val(i)
iaux(icl) = ip
end do
k = 0
i = 1
do j=1, nc
nzl = iaux(j)-i+1
imx = i+nzl-1
if (nzl > 0) then
call psi_i_msort_up(nzl,ias(i:imx),ix2,iret)
if (iret == 0) &
& call psb_ip_reord(nzl,vs(i:imx),&
& ias(i:imx),jas(i:imx),ix2)
select case(dupl_)
case(psb_dupl_ovwrt_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
val(k) = vs(i)
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_add_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
val(k) = val(k) + vs(i)
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case(psb_dupl_err_)
k = k + 1
ia(k) = ias(i)
ja(k) = jas(i)
val(k) = vs(i)
irw = ia(k)
icl = ja(k)
do
i = i + 1
if (i > imx) exit
if ((ias(i) == irw).and.(jas(i) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
k = k+1
val(k) = vs(i)
ia(k) = ias(i)
ja(k) = jas(i)
irw = ia(k)
icl = ja(k)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
return
end select
endif
enddo
end if
i=k
deallocate(ias,jas,vs,ix2, stat=info)
else if (.not.use_buffers) then
call psi_i_msort_up(nzin,ja(1:),iaux(1:),iret)
if (iret == 0) &
& call psb_ip_reord(nzin,val,ia,ja,iaux)
i = 1
j = i
do while (i <= nzin)
do while ((ja(j) == ja(i)))
j = j+1
if (j > nzin) exit
enddo
nzl = j - i
call psi_i_msort_up(nzl,ia(i:),iaux(1:),iret)
if (iret == 0) &
& call psb_ip_reord(nzl,val(i:i+nzl-1),&
& ia(i:i+nzl-1),ja(i:i+nzl-1),iaux)
i = j
enddo
i = 1
irw = ia(i)
icl = ja(i)
j = 1
select case(dupl_)
case(psb_dupl_ovwrt_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
val(i) = val(j)
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case(psb_dupl_add_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
val(i) = val(i) + val(j)
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case(psb_dupl_err_)
do
j = j + 1
if (j > nzin) exit
if ((ia(j) == irw).and.(ja(j) == icl)) then
call psb_errpush(psb_err_duplicate_coo,name)
goto 9999
else
i = i+1
val(i) = val(j)
ia(i) = ia(j)
ja(i) = ja(j)
irw = ia(i)
icl = ja(i)
endif
enddo
case default
write(psb_err_unit,*) 'Error in fix_coo: unsafe dupl',dupl_
info =-7
end select
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': end second loop'
end if
case default
write(debug_unit,*) trim(name),': unknown direction ',idir_
info = psb_err_internal_error_
call psb_errpush(info,name)
goto 9999
end select
nzout = i
deallocate(iaux)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_s_fix_coo_inner