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psblas3/base/tools/psb_cdfree.f90

222 lines
5.7 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_cdfree.f90
!
! Subroutine: psb_cdfree
! Frees a descriptor data structure.
!
! Arguments:
! desc_a - type(psb_desc_type). The communication descriptor to be freed.
! info - integer. return code.
subroutine psb_cdfree(desc_a,info)
!...free descriptor structure...
use psb_descriptor_type
use psb_const_mod
use psb_error_mod
use psb_penv_mod
implicit none
!....parameters...
type(psb_desc_type), intent(inout) :: desc_a
integer, intent(out) :: info
!...locals....
integer :: ictxt,np,me, err_act
character(len=20) :: name
if(psb_get_errstatus() /= 0) return
info=0
call psb_erractionsave(err_act)
name = 'psb_cdfree'
if (.not.allocated(desc_a%matrix_data)) then
info=295
call psb_errpush(info,name)
return
end if
ictxt=psb_cd_get_context(desc_a)
call psb_info(ictxt, me, np)
! ....verify blacs grid correctness..
if (np == -1) then
info = 2010
call psb_errpush(info,name)
goto 9999
endif
!...deallocate desc_a....
if(.not.allocated(desc_a%loc_to_glob)) then
info=296
call psb_errpush(info,name)
goto 9999
end if
!deallocate loc_to_glob field
deallocate(desc_a%loc_to_glob,stat=info)
if (info /= 0) then
info=2051
call psb_errpush(info,name)
goto 9999
end if
if (.not.psb_is_large_desc(desc_a)) then
if (.not.allocated(desc_a%glob_to_loc)) then
info=297
call psb_errpush(info,name)
goto 9999
end if
!deallocate glob_to_loc field
deallocate(desc_a%glob_to_loc,stat=info)
if (info /= 0) then
info=2052
call psb_errpush(info,name)
goto 9999
end if
endif
if (.not.allocated(desc_a%halo_index)) then
info=298
call psb_errpush(info,name)
goto 9999
end if
!deallocate halo_index field
deallocate(desc_a%halo_index,stat=info)
if (info /= 0) then
info=2053
call psb_errpush(info,name)
goto 9999
end if
if (.not.allocated(desc_a%bnd_elem)) then
!!$ info=296
!!$ call psb_errpush(info,name)
!!$ goto 9999
!!$ end if
else
!deallocate halo_index field
deallocate(desc_a%bnd_elem,stat=info)
if (info /= 0) then
info=2054
call psb_errpush(info,name)
goto 9999
end if
end if
if (.not.allocated(desc_a%ovrlap_index)) then
info=299
call psb_errpush(info,name)
goto 9999
end if
!deallocate ovrlap_index field
deallocate(desc_a%ovrlap_index,stat=info)
if (info /= 0) then
info=2055
call psb_errpush(info,name)
goto 9999
end if
!deallocate ovrlap_elem field
deallocate(desc_a%ovrlap_elem,stat=info)
if (info /= 0) then
info=2056
call psb_errpush(info,name)
goto 9999
end if
!deallocate ovrlap_index field
deallocate(desc_a%lprm,stat=info)
if (info /= 0) then
info=2057
call psb_errpush(info,name)
goto 9999
end if
if (allocated(desc_a%hashv)) then
deallocate(desc_a%hashv,stat=info)
if (info /= 0) then
info=2058
call psb_errpush(info,name)
goto 9999
end if
end if
if (allocated(desc_a%glb_lc)) then
deallocate(desc_a%glb_lc,stat=info)
if (info /= 0) then
info=2059
call psb_errpush(info,name)
goto 9999
end if
end if
if (allocated(desc_a%ptree)) then
call FreePairSearchTree(desc_a%ptree)
deallocate(desc_a%ptree,stat=info)
if (info /= 0) then
info=2059
call psb_errpush(info,name)
goto 9999
end if
end if
if (allocated(desc_a%idx_space)) then
deallocate(desc_a%idx_space,stat=info)
if (info /= 0) then
info=2056
call psb_errpush(info,name)
goto 9999
end if
end if
deallocate(desc_a%matrix_data)
call psb_nullify_desc(desc_a)
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error(ictxt)
end if
return
end subroutine psb_cdfree