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psblas3/ext/impl/psb_d_hll_csput.f90

234 lines
7.0 KiB
Fortran

! Parallel Sparse BLAS GPU plugin
! (C) Copyright 2013
!
! Salvatore Filippone
! Alessandro Fanfarillo
!
! 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_d_hll_csput_a(nz,ia,ja,val,a,imin,imax,jmin,jmax,info)
use psb_base_mod
use psb_d_hll_mat_mod, psb_protect_name => psb_d_hll_csput_a
implicit none
class(psb_d_hll_sparse_mat), intent(inout) :: a
real(psb_dpk_), intent(in) :: val(:)
integer(psb_ipk_), intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
integer(psb_ipk_), intent(out) :: info
Integer(Psb_ipk_) :: err_act
character(len=20) :: name='d_hll_csput_a'
logical, parameter :: debug=.false.
integer(psb_ipk_) :: nza, i,j,k, nzl, isza, int_err(5)
call psb_erractionsave(err_act)
info = psb_success_
if (nz <= 0) then
info = psb_err_iarg_neg_
int_err(1)=1
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ia) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=2
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(ja) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=3
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (size(val) < nz) then
info = psb_err_input_asize_invalid_i_
int_err(1)=4
call psb_errpush(info,name,i_err=int_err)
goto 9999
end if
if (nz == 0) return
nza = a%get_nzeros()
if (a%is_bld()) then
! Build phase should only ever be in COO
info = psb_err_invalid_mat_state_
else if (a%is_upd()) then
if (a%is_dev()) call a%sync()
call psb_d_hll_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
if (info /= psb_success_) then
info = psb_err_invalid_mat_state_
end if
call a%set_host()
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 psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
contains
subroutine psb_d_hll_srch_upd(nz,ia,ja,val,a,&
& imin,imax,jmin,jmax,info)
implicit none
class(psb_d_hll_sparse_mat), intent(inout) :: a
integer(psb_ipk_), intent(in) :: nz, imin,imax,jmin,jmax
integer(psb_ipk_), intent(in) :: ia(:),ja(:)
real(psb_dpk_), intent(in) :: val(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i,ir,ic, ip, i1,i2,nr,nc,nnz,dupl,ng,&
& hksz, hk, hkzpnt, ihkr, mxrwl, lastrow
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name='d_hll_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
lastrow = -1
nnz = a%get_nzeros()
nr = a%get_nrows()
nc = a%get_ncols()
hksz = a%get_hksz()
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 /= lastrow) then
hk = ((ir-1)/hksz)
lastrow = ir
ihkr = ir - hk*hksz
hk = hk + 1
hkzpnt = a%hkoffs(hk)
mxrwl = (a%hkoffs(hk+1) - a%hkoffs(hk))/hksz
nc = a%irn(ir)
end if
ip = psb_bsrch(ic,nc,a%ja(hkzpnt+ihkr:hkzpnt+ihkr+(nc-1)*hksz:hksz))
if (ip>0) then
a%val(hkzpnt+ihkr+(ip-1)*hksz) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',nc,&
& ' : ',a%ja(hkzpnt+ir:hkzpnt+ir+(nc-1)*hksz:hksz)
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
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 /= lastrow) then
hk = ((ir-1)/hksz)
lastrow = ir
ihkr = ir - hk*hksz
hk = hk + 1
hkzpnt = a%hkoffs(hk)
mxrwl = (a%hkoffs(hk+1) - a%hkoffs(hk))/hksz
nc = a%irn(ir)
end if
ip = psb_bsrch(ic,nc,a%ja(hkzpnt+ihkr:hkzpnt+ihkr+(nc-1)*hksz:hksz))
if (ip>0) then
a%val(hkzpnt+ihkr+(ip-1)*hksz) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',nc,&
& ' : ',a%ja(hkzpnt+ir:hkzpnt+ir+(nc-1)*hksz:hksz)
info = i
return
end if
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Discarding row that does not belong to us.'
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 subroutine psb_d_hll_srch_upd
end subroutine psb_d_hll_csput_a