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psblas3/base/serial/psb_update_mod.f90

1002 lines
27 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS v2.0
!!$ (C) Copyright 2006 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
use psb_spmat_type
use psb_const_mod
use psb_realloc_mod
use psb_string_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
contains
subroutine psb_d_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
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(kind(1.d0)), 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(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(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_d_srch_upd
subroutine psb_z_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
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(kind(1.d0)), 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(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(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)
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(kind(1.d0)), intent(in) :: val(*)
integer, intent(out) :: info
integer, intent(in), optional :: ng,gtl(*)
logical, parameter :: debug=.false.
integer :: i,ir,ic, ilr, ilc, ip, &
& i1,i2,nc,lb,ub,m,nnz,dupl
info = 0
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) &
& write(0,*)'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
!!$ write(0,*) 'Debug: ',lb,m,ub
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) write(0,*)'Was searching ',ic,&
& ' in: ',i1,i2,' : ',a%ia1(i1:i2-1)
info = i
return
end if
end if
else
if (debug) write(0,*) '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
!!$ write(0,*) 'ir ic ',ir,ic,i1,i2,a%m,a%k
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) write(0,*)'Was searching ',ic,&
& ' in: ',i1,i2,' : ',a%ia1(i1:i2-1)
info = i
return
end if
else
if (debug) write(0,*) 'Discarding row that does not belong to us.'
end if
end if
end do
case default
info = -3
if (debug) write(0,*) '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) write(0,*)'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
!!$ write(0,*) 'Debug: ',lb,m,ub
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) write(0,*)'Was searching ',ic,&
& ' in: ',i1,i2,' : ',a%ia1(i1:i2-1)
info = i
return
end if
end if
else
if (debug) write(0,*) '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) write(0,*) 'Discarding row that does not belong to us.'
end if
end do
case default
info = -3
if (debug) write(0,*) '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)
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(kind(1.d0)), 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,nnz,dupl,isrt
logical, parameter :: debug=.false.
info = 0
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
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) write(0,*) 'Discarding row does not belong'
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
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) write(0,*) 'Discarding row does not belong'
end if
end if
end do
case default
info = -3
if (debug) write(0,*) '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
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
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) write(0,*) 'Duplicate handling: ',dupl
end select
end if
end subroutine d_coo_srch_upd
subroutine z_csr_srch_upd(nz,ia,ja,val,nza,a,&
& imin,imax,jmin,jmax,nzl,info,gtl,ng)
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(kind(1.d0)), 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,nnz,dupl
logical, parameter :: debug=.false.
info = 0
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
write(0,*)'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
!!$ write(0,*) 'Debug: ',lb,m,ub
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
write(0,*)'Was searching ',ic,' in: ',i1,i2,' : ',a%ia1(i1:i2-1)
info = i
return
end if
end if
else
if (debug) write(0,*) 'Discarding row does not belong'
endif
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
info = i
return
end if
else
if (debug) write(0,*) 'Discarding row does not belong'
endif
end if
end do
case default
info = -3
if (debug) write(0,*) '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
write(0,*)'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
!!$ write(0,*) 'Debug: ',lb,m,ub
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
write(0,*)'Was searching ',ic,' in: ',i1,i2,' : ',a%ia1(i1:i2-1)
info = i
return
end if
end if
else
if (debug) write(0,*) 'Discarding row does not belong'
endif
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) write(0,*) 'Discarding row does not belong'
endif
end do
case default
info = -3
if (debug) write(0,*) '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)
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(kind(1.d0)), 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,nnz,dupl,isrt
logical, parameter :: debug=.false.
info = 0
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)
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
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) write(0,*) 'Discarding row does not belong'
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
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) write(0,*) 'Discarding row does not belong'
endif
end if
end do
case default
info = -3
if (debug) write(0,*) '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
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) write(0,*) 'Discarding row does not belong'
endif
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
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) write(0,*) 'Discarding row does not belong'
endif
end do
case default
info = -3
if (debug) write(0,*) 'Duplicate handling: ',dupl
end select
end if
end subroutine z_coo_srch_upd
end module psb_update_mod