!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
!!$ 1. Redistributions of source code must retain the above copyright
!!$ notice, this list of conditions and the following disclaimer.
!!$ 2. Redistributions in binary form must reproduce the above copyright
!!$ notice, this list of conditions, and the following disclaimer in the
!!$ documentation and/or other materials provided with the distribution.
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
module psb_update_mod
interface psb_srch_upd
module procedure psb_d_srch_upd, psb_z_srch_upd
end interface
interface coo_srch_upd
module procedure d_coo_srch_upd, z_coo_srch_upd
end interface
interface csr_srch_upd
module procedure d_csr_srch_upd, z_csr_srch_upd
end interface
interface jad_srch_upd
module procedure d_jad_srch_upd, z_jad_srch_upd
end interface
contains
subroutine psb_d_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_dspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
real(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
info = 0
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
end if
select case(psb_tolower(a%fida))
case ('csr')
call csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
case ('coo')
call coo_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
case ('jad')
call jad_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
case default
info = -9
end select
end subroutine psb_d_srch_upd
subroutine psb_z_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_zspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
complex(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
info = 0
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
select case(psb_toupper(a%fida))
case ('CSR')
!!$ write(0,*) 'Calling csr_srch_upd'
call csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
!!$ write(0,*) 'From csr_srch_upd:',info
case ('COO')
call coo_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
case default
info = -9
end select
else
select case(psb_toupper(a%fida))
case ('CSR')
!!$ write(0,*) 'Calling csr_srch_upd'
call csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info)
!!$ write(0,*) 'From csr_srch_upd:',info
case ('COO')
call coo_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info)
case default
info = -9
end select
end if
end subroutine psb_z_srch_upd
subroutine d_csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
use psb_error_mod
implicit none
type(psb_dspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
real(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer :: debug_level, debug_unit
character(len=20) :: name='d_csr_srch_upd'
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,lb,ub,m,dupl
info = 0
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = psb_sp_getifld(psb_dupl_,a,info)
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
ilr = -1
ilc = -1
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 <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc=i2-i1
if (.true.) then
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
else
!!$
ip = -1
lb = i1
ub = i2-1
do
if (lb > ub) exit
m = (lb+ub)/2
if (ic == a%ia1(m)) then
ip = m
lb = ub + 1
else if (ic < a%ia1(m)) then
ub = m-1
else
lb = m + 1
end if
enddo
if (ip>0) then
a%aspk(ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
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 if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
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 <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc = i2-i1
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
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 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.
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc=i2-i1
if (.true.) then
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
else
ip = -1
lb = i1
ub = i2-1
do
if (lb > ub) exit
m = (lb+ub)/2
if (ic == a%ia1(m)) then
ip = m
lb = ub + 1
else if (ic < a%ia1(m)) then
ub = m-1
else
lb = m + 1
end if
enddo
if (ip>0) then
a%aspk(ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
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
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc = i2-i1
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
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 if
end subroutine d_csr_srch_upd
subroutine d_coo_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_dspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
real(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,nnz,dupl
integer :: debug_level, debug_unit
character(len=20) :: name='d_coo_srch_upd'
info = 0
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = psb_sp_getifld(psb_dupl_,a,info)
if (psb_sp_getifld(psb_srtd_,a,info) /= psb_isrtdcoo_) then
info = -4
return
end if
ilr = -1
ilc = -1
nnz = psb_sp_getifld(psb_nnz_,a,info)
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
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 <= a%m)) then
ic = gtl(ic)
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
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.'
endif
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 <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
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 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 <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
info = i
return
end if
end if
end do
case(psb_dupl_add_)
! Add
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
info = i
return
end if
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 d_coo_srch_upd
subroutine d_jad_srch_upd(nz,ia,ja,val,nza,a,imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_dspmat_type), intent(inout), target :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
real(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, pointer :: ia1(:), ia2(:), ia3(:),&
& ja_(:), ka_(:)
integer, allocatable :: indices(:), blks(:), rows(:)
integer :: png, pia, pja, ipx, blk, rb, row, k_pt, npg, col, ngr,&
& i,j,nr,dupl, ii, ir, ic
info = 0
dupl = psb_sp_getifld(psb_dupl_,a,info)
png = a%ia2(1) ! points to the number of blocks
pia = a%ia2(2) ! points to the beginning of ia(3,png)
pja = a%ia2(3) ! points to the beginning of ja(:)
ngr = a%ia2(png) ! the number of blocks
ja_ => a%ia2(pja:) ! the array containing the pointers to ka and aspk
ka_ => a%ia1(:) ! the array containing the column indices
ia1 => a%ia2(pia:pja-1:3) ! the array containing the first row index
! of each block
ia2 => a%ia2(pia+1:pja-1:3) ! the array containing a pointer to the pos.
! in ja to the first jad column
ia3 => a%ia2(pia+2:pja-1:3) ! the array containing a pointer to the pos.
! in ja to the first csr column
if (a%pl(1) /= 0) then
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
allocate(rows(nz),stat=info)
if (info /= 0) then
info = -4010
return
endif
j=0
do i=1,nz
ir = ia(i)
if ((ir >=1).and.(ir<=ng)) then
ir = gtl(ir)
j = j + 1
rows(j) = ir
endif
enddo
call psb_msort_unique(rows(1:j),nr)
allocate(indices(nr),blks(nr),stat=info)
if (info /= 0) then
info = -4010
return
endif
do i=1,nr
indices(i)=a%pl(rows(i))
j=0
blkfnd_gtl: do
j=j+1
if(ia1(j) == indices(i)) then
blks(i)=j
ipx = ia1(j) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j)+rb
exit blkfnd_gtl
else if(ia1(j) > indices(i)) then
blks(i)=j-1
ipx = ia1(j-1) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j-1)+rb
exit blkfnd_gtl
end if
end do blkfnd_gtl
end do
! cycle over elements
update_gtl: do ii=1,nz
ir = ia(ii)
ic = ja(ii)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
if ((ir > 0).and.(ir <= a%m)) then
ic = gtl(ic)
call ibsrch(i,ir,nr,rows)
! find which block the row belongs to
blk = blks(i)
! extract first part of the row from the jad block
ipx = ia1(blk) ! the first row index of the block
k_pt= ia2(blk) ! the pointer to the beginning of a column in ja
rb = indices(i)-ipx ! the row offset within the block
npg = ja_(k_pt+1)-ja_(k_pt) ! the number of rows in the block
do col = ia2(blk), ia3(blk)-1
if (ic == ka_(ja_(col)+rb)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(ja_(col)+rb) = val(ii)
case(psb_dupl_add_)
a%aspk(ja_(col)+rb) = a%aspk(ja_(col)+rb) + val(ii)
end select
cycle update_gtl
endif
end do
! extract second part of the row from the csr tail just in case
row=ia3(blk)+rb
do j=ja_(row), ja_(row+1)-1
if (ic == ka_(j)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(j) = val(ii)
case(psb_dupl_add_)
a%aspk(j) = a%aspk(j) + val(ii)
end select
cycle update_gtl
endif
end do
end if
end if
end do update_gtl
else
allocate(rows(nz),stat=info)
if (info /= 0) then
info = -4010
return
endif
j=0
do i=1,nz
ir = ia(i)
if ((ir >=1).and.(ir<=a%m)) then
j = j + 1
rows(j) = ir
endif
enddo
call psb_msort_unique(rows(1:j),nr)
allocate(indices(nr),blks(nr),stat=info)
if (info /= 0) then
info = -4010
return
endif
do i=1,nr
indices(i)=a%pl(rows(i))
j=0
blkfnd: do
j=j+1
if(ia1(j) == indices(i)) then
blks(i)=j
ipx = ia1(j) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j)+rb
exit blkfnd
else if(ia1(j) > indices(i)) then
blks(i)=j-1
ipx = ia1(j-1) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j-1)+rb
exit blkfnd
end if
end do blkfnd
end do
! cycle over elements
update: do ii=1,nz
ir = ia(ii)
ic = ja(ii)
if ((ir >=1).and.(ir<=a%m).and.(ic>=1).and.(ic<=a%k)) then
call ibsrch(i,ir,nr,rows)
! find which block the row belongs to
blk = blks(i)
! extract first part of the row from the jad block
ipx = ia1(blk) ! the first row index of the block
k_pt= ia2(blk) ! the pointer to the beginning of a column in ja
rb = indices(i)-ipx ! the row offset within the block
npg = ja_(k_pt+1)-ja_(k_pt) ! the number of rows in the block
do col = ia2(blk), ia3(blk)-1
if (ic == ka_(ja_(col)+rb)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(ja_(col)+rb) = val(ii)
case(psb_dupl_add_)
a%aspk(ja_(col)+rb) = a%aspk(ja_(col)+rb) + val(ii)
end select
cycle update
endif
end do
! extract second part of the row from the csr tail just in case
row=ia3(blk)+rb
do j=ja_(row), ja_(row+1)-1
if (ic == ka_(j)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(j) = val(ii)
case(psb_dupl_add_)
a%aspk(j) = a%aspk(j) + val(ii)
end select
cycle update
endif
end do
end if
end do update
end if
else
! There might be some problems
info=134
end if
end subroutine d_jad_srch_upd
subroutine z_csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_zspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
complex(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,lb,ub,m,dupl
integer :: debug_level, debug_unit
character(len=20) :: name='z_csr_srch_upd'
info = 0
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = psb_sp_getifld(psb_dupl_,a,info)
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
! Overwrite.
! Cannot test for error, should have been caught earlier.
ilr = -1
ilc = -1
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 <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc=i2-i1
if (.true.) then
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
else
!!$
ip = -1
lb = i1
ub = i2-1
do
if (lb > ub) exit
m = (lb+ub)/2
if (ic == a%ia1(m)) then
ip = m
lb = ub + 1
else if (ic < a%ia1(m)) then
ub = m-1
else
lb = m + 1
end if
enddo
if (ip>0) then
a%aspk(ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
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 if
end do
case(psb_dupl_add_)
! Add
ilr = -1
ilc = -1
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 <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc = i2-i1
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
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 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.
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc=i2-i1
if (.true.) then
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
else
ip = -1
lb = i1
ub = i2-1
do
if (lb > ub) exit
m = (lb+ub)/2
if (ic == a%ia1(m)) then
ip = m
lb = ub + 1
else if (ic < a%ia1(m)) then
ub = m-1
else
lb = m + 1
end if
enddo
if (ip>0) then
a%aspk(ip) = val(i)
else
if (debug_level >= psb_debug_serial_) &
& write(debug_unit,*) trim(name),&
& ': Was searching ',ic,' in: ',i1,i2,&
& ' : ',a%ia1(i1:i2-1)
info = i
return
end if
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
ilr = -1
ilc = -1
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
i1 = a%ia2(ir)
i2 = a%ia2(ir+1)
nc = i2-i1
call issrch(ip,ic,nc,a%ia1(i1:i2-1))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
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 if
end subroutine z_csr_srch_upd
subroutine z_coo_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_zspmat_type), intent(inout) :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
complex(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,nnz,dupl
integer :: debug_level, debug_unit
character(len=20) :: name='z_coo_srch_upd'
info = 0
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
dupl = psb_sp_getifld(psb_dupl_,a,info)
if (psb_sp_getifld(psb_srtd_,a,info) /= psb_isrtdcoo_) then
info = -4
return
end if
ilr = -1
ilc = -1
nnz = psb_sp_getifld(psb_nnz_,a,info)
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
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 <= a%m)) then
ic = gtl(ic)
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
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.'
endif
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 <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
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 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 <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = val(i)
else
info = i
return
end if
end if
end do
case(psb_dupl_add_)
! Add
do i=1, nz
ir = ia(i)
ic = ja(i)
if ((ir > 0).and.(ir <= a%m)) then
if (ir /= ilr) then
call ibsrch(i1,ir,nnz,a%ia1)
i2 = i1
do
if (i2+1 > nnz) exit
if (a%ia1(i2+1) /= a%ia1(i2)) exit
i2 = i2 + 1
end do
do
if (i1-1 < 1) exit
if (a%ia1(i1-1) /= a%ia1(i1)) exit
i1 = i1 - 1
end do
ilr = ir
else
i1 = 1
i2 = 1
end if
nc = i2-i1+1
call issrch(ip,ic,nc,a%ia2(i1:i2))
if (ip>0) then
a%aspk(i1+ip-1) = a%aspk(i1+ip-1) + val(i)
else
info = i
return
end if
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 z_coo_srch_upd
subroutine z_jad_srch_upd(nz,ia,ja,val,nza,a,imin,imax,jmin,jmax,nzl,info,gtl,ng)
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_mod
use psb_serial_mod
implicit none
type(psb_zspmat_type), intent(inout), target :: a
integer, intent(in) :: nz, imin,imax,jmin,jmax,nzl
integer, intent(in) :: ia(*),ja(*)
integer, intent(inout) :: nza
complex(psb_dpk_), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
integer, pointer :: ia1(:), ia2(:), ia3(:),&
& ja_(:), ka_(:)
integer, allocatable :: indices(:), blks(:), rows(:)
integer :: png, pia, pja, ipx, blk, rb, row, k_pt, npg, col, ngr,&
& i,j,nr,dupl, ii, ir, ic
info = 0
dupl = psb_sp_getifld(psb_dupl_,a,info)
png = a%ia2(1) ! points to the number of blocks
pia = a%ia2(2) ! points to the beginning of ia(3,png)
pja = a%ia2(3) ! points to the beginning of ja(:)
ngr = a%ia2(png) ! the number of blocks
ja_ => a%ia2(pja:) ! the array containing the pointers to ka and aspk
ka_ => a%ia1(:) ! the array containing the column indices
ia1 => a%ia2(pia:pja-1:3) ! the array containing the first row index
! of each block
ia2 => a%ia2(pia+1:pja-1:3) ! the array containing a pointer to the pos.
! in ja to the first jad column
ia3 => a%ia2(pia+2:pja-1:3) ! the array containing a pointer to the pos.
! in ja to the first csr column
if (a%pl(1) /= 0) then
if (present(gtl)) then
if (.not.present(ng)) then
info = -1
return
endif
allocate(rows(nz),stat=info)
if (info /= 0) then
info = -4010
return
endif
j=0
do i=1,nz
ir = ia(i)
if ((ir >=1).and.(ir<=ng)) then
ir = gtl(ir)
j = j + 1
rows(j) = ir
endif
enddo
call psb_msort_unique(rows(1:j),nr)
allocate(indices(nr),blks(nr),stat=info)
if (info /= 0) then
info = -4010
return
endif
do i=1,nr
indices(i)=a%pl(rows(i))
j=0
blkfnd_gtl: do
j=j+1
if(ia1(j) == indices(i)) then
blks(i)=j
ipx = ia1(j) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j)+rb
exit blkfnd_gtl
else if(ia1(j) > indices(i)) then
blks(i)=j-1
ipx = ia1(j-1) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j-1)+rb
exit blkfnd_gtl
end if
end do blkfnd_gtl
end do
! cycle over elements
update_gtl: do ii=1,nz
ir = ia(ii)
ic = ja(ii)
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
ir = gtl(ir)
if ((ir > 0).and.(ir <= a%m)) then
ic = gtl(ic)
call ibsrch(i,ir,nr,rows)
! find which block the row belongs to
blk = blks(i)
! extract first part of the row from the jad block
ipx = ia1(blk) ! the first row index of the block
k_pt= ia2(blk) ! the pointer to the beginning of a column in ja
rb = indices(i)-ipx ! the row offset within the block
npg = ja_(k_pt+1)-ja_(k_pt) ! the number of rows in the block
do col = ia2(blk), ia3(blk)-1
if (ic == ka_(ja_(col)+rb)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(ja_(col)+rb) = val(ii)
case(psb_dupl_add_)
a%aspk(ja_(col)+rb) = a%aspk(ja_(col)+rb) + val(ii)
end select
cycle update_gtl
endif
end do
! extract second part of the row from the csr tail just in case
row=ia3(blk)+rb
do j=ja_(row), ja_(row+1)-1
if (ic == ka_(j)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(j) = val(ii)
case(psb_dupl_add_)
a%aspk(j) = a%aspk(j) + val(ii)
end select
cycle update_gtl
endif
end do
end if
end if
end do update_gtl
else
allocate(rows(nz),stat=info)
if (info /= 0) then
info = -4010
return
endif
j=0
do i=1,nz
ir = ia(i)
if ((ir >=1).and.(ir<=a%m)) then
j = j + 1
rows(j) = ir
endif
enddo
call psb_msort_unique(rows(1:j),nr)
allocate(indices(nr),blks(nr),stat=info)
if (info /= 0) then
info = -4010
return
endif
do i=1,nr
indices(i)=a%pl(rows(i))
j=0
blkfnd: do
j=j+1
if(ia1(j) == indices(i)) then
blks(i)=j
ipx = ia1(j) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j)+rb
exit blkfnd
else if(ia1(j) > indices(i)) then
blks(i)=j-1
ipx = ia1(j-1) ! the first row index of the block
rb = indices(i)-ipx ! the row offset within the block
row = ia3(j-1)+rb
exit blkfnd
end if
end do blkfnd
end do
! cycle over elements
update: do ii=1,nz
ir = ia(ii)
ic = ja(ii)
if ((ir >=1).and.(ir<=a%m).and.(ic>=1).and.(ic<=a%k)) then
call ibsrch(i,ir,nr,rows)
! find which block the row belongs to
blk = blks(i)
! extract first part of the row from the jad block
ipx = ia1(blk) ! the first row index of the block
k_pt= ia2(blk) ! the pointer to the beginning of a column in ja
rb = indices(i)-ipx ! the row offset within the block
npg = ja_(k_pt+1)-ja_(k_pt) ! the number of rows in the block
do col = ia2(blk), ia3(blk)-1
if (ic == ka_(ja_(col)+rb)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(ja_(col)+rb) = val(ii)
case(psb_dupl_add_)
a%aspk(ja_(col)+rb) = a%aspk(ja_(col)+rb) + val(ii)
end select
cycle update
endif
end do
! extract second part of the row from the csr tail just in case
row=ia3(blk)+rb
do j=ja_(row), ja_(row+1)-1
if (ic == ka_(j)) then
select case(dupl)
case(psb_dupl_ovwrt_,psb_dupl_err_)
a%aspk(j) = val(ii)
case(psb_dupl_add_)
a%aspk(j) = a%aspk(j) + val(ii)
end select
cycle update
endif
end do
end if
end do update
end if
else
! There might be some problems
info=134
end if
end subroutine z_jad_srch_upd
end module psb_update_mod