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psblas3/base/serial/psb_cfixcoo.f90

265 lines
7.1 KiB
Fortran

!!$
!!$ 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.
!!$
!!$
! File: psb_cfixcoo.f90
! Subroutine:
! Arguments:
Subroutine psb_cfixcoo(a,info,idir)
use psb_spmat_type
use psb_const_mod
use psb_string_mod
use psb_serial_mod, psb_protect_name => psb_cfixcoo
use psb_error_mod
implicit none
!....Parameters...
Type(psb_cspmat_type), intent(inout) :: A
Integer, intent(out) :: info
integer, intent(in), optional :: idir
integer, allocatable :: iaux(:)
!locals
Integer :: nza, nzl,iret,idir_, dupl_
integer :: i,j, irw, icl, err_act
integer :: debug_level, debug_unit
character(len=20) :: name = 'psb_fixcoo'
info = 0
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%ia1),size(a%ia2)
if (psb_toupper(a%fida) /= 'COO') then
write(debug_unit,*) 'Fixcoo Invalid input ',a%fida
info = -1
return
end if
if (present(idir)) then
idir_ = idir
else
idir_ = 0
endif
nza = psb_sp_getifld(psb_nnz_,a,info)
if (nza < 2) return
dupl_ = psb_sp_getifld(psb_dupl_,a,info)
allocate(iaux(nza+2),stat=info)
if (info /= 0) return
select case(idir_)
case(0) ! Row major order
call msort_up(nza,a%ia1(1),iaux(1),iret)
if (iret == 0) call creordvn(nza,a%aspk(1),a%ia1(1),a%ia2(1),iaux(1))
i = 1
j = i
do while (i <= nza)
do while ((a%ia1(j) == a%ia1(i)))
j = j+1
if (j > nza) exit
enddo
nzl = j - i
call msort_up(nzl,a%ia2(i),iaux(1),iret)
if (iret == 0) &
& call creordvn(nzl,a%aspk(i),a%ia1(i),a%ia2(i),iaux(1))
i = j
enddo
i = 1
irw = a%ia1(i)
icl = a%ia2(i)
j = 1
select case(dupl_)
case(psb_dupl_ovwrt_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
a%aspk(i) = a%aspk(j)
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
case(psb_dupl_add_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
a%aspk(i) = a%aspk(i) + a%aspk(j)
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
case(psb_dupl_err_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
call psb_errpush(130,name)
goto 9999
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
end select
if(debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': end second loop'
case(1) ! Col major order
call msort_up(nza,a%ia2(1),iaux(1),iret)
if (iret == 0) call creordvn(nza,a%aspk(1),a%ia1(1),a%ia2(1),iaux(1))
i = 1
j = i
do while (i <= nza)
do while ((a%ia2(j) == a%ia2(i)))
j = j+1
if (j > nza) exit
enddo
nzl = j - i
call msort_up(nzl,a%ia1(i),iaux(1),iret)
if (iret == 0) &
& call creordvn(nzl,a%aspk(i),a%ia1(i),a%ia2(i),iaux(1))
i = j
enddo
i = 1
irw = a%ia1(i)
icl = a%ia2(i)
j = 1
select case(dupl_)
case(psb_dupl_ovwrt_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
a%aspk(i) = a%aspk(j)
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
case(psb_dupl_add_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
a%aspk(i) = a%aspk(i) + a%aspk(j)
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
case(psb_dupl_err_)
do
j = j + 1
if (j > nza) exit
if ((a%ia1(j) == irw).and.(a%ia2(j) == icl)) then
call psb_errpush(130,name)
goto 9999
else
i = i+1
a%aspk(i) = a%aspk(j)
a%ia1(i) = a%ia1(j)
a%ia2(i) = a%ia2(j)
irw = a%ia1(i)
icl = a%ia2(i)
endif
enddo
end select
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': end second loop'
case default
write(debug_unit,*) trim(name),': unknown direction ',idir_
end select
call psb_sp_setifld(psb_isrtdcoo_,psb_srtd_,a,info)
call psb_sp_setifld(i,psb_nnz_,a,info)
call psb_sp_setifld(psb_spmat_asb_,psb_state_,a,info)
call psb_sp_setifld(psb_upd_srch_,psb_upd_,a,info)
deallocate(iaux)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end Subroutine psb_cfixcoo