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psblas3/base/serial/psb_zipcsr2coo.f90

101 lines
3.2 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.
!!$
!!$
! File: psb_zipcsr2coo.f90
! Subroutine:
! Parameters:
Subroutine psb_zipcsr2coo(a,info)
use psb_spmat_type
use psb_const_mod
use psb_error_mod
use psb_string_mod
use psb_realloc_mod
implicit none
!....Parameters...
Type(psb_zspmat_type), intent(inout) :: A
Integer, intent(out) :: info
!locals
Integer :: nza, nr
integer :: i,j,err_act
logical, parameter :: debug=.false.
integer, allocatable :: iaux(:), itemp(:)
character(len=20) :: name, ch_err
name='psb_zipcsr2coo'
info = 0
call psb_erractionsave(err_act)
if (toupper(a%fida) /= 'CSR') then
info = 5
call psb_errpush(info,name)
goto 9999
end if
nr = a%m
nza = a%ia2(nr+1) - 1
allocate(iaux(nza),stat=info)
if (info /=0) then
write(0,*) 'Failed allocation ',info, nza
return
end if
!!$ write(0,*) 'ipcsr2coo ',a%m
call psb_transfer(a%ia2,itemp,info)
call psb_transfer(a%ia1,a%ia2,info)
call psb_transfer(iaux,a%ia1,info)
do i=1, nr
do j=itemp(i),itemp(i+1)-1
a%ia1(j) = i
end do
end do
a%fida='COO'
a%infoa(psb_nnz_) = nza
a%infoa(psb_srtd_) = psb_isrtdcoo_
a%infoa(psb_upd_) = psb_upd_srch_
deallocate(itemp)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act.eq.act_abort) then
call psb_error()
return
end if
return
end Subroutine psb_zipcsr2coo