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psblas3/base/tools/psb_cdcpy.f90

124 lines
4.5 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_cdcpy.f90
!
! Subroutine: psb_cdcpy
! Produces a clone of a descriptor.
!
! Parameters:
! desc_in - type(<psb_desc_type>). The communication descriptor to be cloned.
! desc_out - type(<psb_desc_type>). The output communication descriptor.
! info - integer. Eventually returns an error code.
subroutine psb_cdcpy(desc_in, desc_out, info)
use psb_descriptor_type
use psb_serial_mod
use psb_realloc_mod
use psb_const_mod
use psb_error_mod
use psb_penv_mod
implicit none
!....parameters...
type(psb_desc_type), intent(in) :: desc_in
type(psb_desc_type), intent(out) :: desc_out
integer, intent(out) :: info
!locals
integer :: np,me,ictxt, isz, err_act,idx,gidx,lidx
logical, parameter :: debug=.false.,debugprt=.false.
character(len=20) :: name, char_err
if (debug) write(0,*) me,'Entered CDCPY'
if (psb_get_errstatus() /= 0) return
info = 0
call psb_erractionsave(err_act)
name = 'psb_cdcpy'
ictxt = psb_cd_get_context(desc_in)
! check on blacs grid
call psb_info(ictxt, me, np)
if (debug) write(0,*) me,'Entered CDCPY'
if (np == -1) then
info = 2010
call psb_errpush(info,name)
goto 9999
endif
!!$ call psb_cdfree(desc_out,info)
!!$ call psb_nullify_desc(desc_out)
call psb_safe_cpy(desc_in%matrix_data,desc_out%matrix_data,info)
if (info == 0) call psb_safe_cpy(desc_in%halo_index,desc_out%halo_index,info)
if (info == 0) call psb_safe_cpy(desc_in%ext_index,desc_out%ext_index,info)
if (info == 0) call psb_safe_cpy(desc_in%ovrlap_index,desc_out%ovrlap_index,info)
if (info == 0) call psb_safe_cpy(desc_in%bnd_elem,desc_out%bnd_elem,info)
if (info == 0) call psb_safe_cpy(desc_in%ovrlap_elem,desc_out%ovrlap_elem,info)
if (info == 0) call psb_safe_cpy(desc_in%loc_to_glob,desc_out%loc_to_glob,info)
if (info == 0) call psb_safe_cpy(desc_in%glob_to_loc,desc_out%glob_to_loc,info)
if (info == 0) call psb_safe_cpy(desc_in%lprm,desc_out%lprm,info)
if (info == 0) call psb_safe_cpy(desc_in%idx_space,desc_out%idx_space,info)
if (info == 0) call psb_safe_cpy(desc_in%hashv,desc_out%hashv,info)
if (info == 0) call psb_safe_cpy(desc_in%glb_lc,desc_out%glb_lc,info)
if (info == 0) then
if (allocated(desc_in%ptree)) then
allocate(desc_out%ptree(2),stat=info)
if (info /= 0) then
info=4000
goto 9999
endif
call ClonePairSearchTree(desc_in%ptree,desc_out%ptree)
end if
end if
if (info /= 0) then
info = 4010
call psb_errpush(info,name)
goto 9999
endif
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_cdcpy