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amg4psblas/mlprec/impl/smoother/mld_s_as_smoother_clone.f90

96 lines
3.6 KiB
Fortran

!!$
!!$
!!$ MLD2P4 version 2.1
!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$ based on PSBLAS (Parallel Sparse BLAS version 3.4)
!!$
!!$ (C) Copyright 2008, 2010, 2012, 2015, 2017
!!$
!!$ Salvatore Filippone Cranfield University
!!$ Ambra Abdullahi Hassan University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$ Pasqua D'Ambra ICAR-CNR, Naples
!!$ Daniela di Serafino Second University of Naples
!!$
!!$ 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 MLD2P4 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 MLD2P4 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.
!!$
!!$
subroutine mld_s_as_smoother_clone(sm,smout,info)
use psb_base_mod
use mld_s_as_smoother, mld_protect_name => mld_s_as_smoother_clone
Implicit None
! Arguments
class(mld_s_as_smoother_type), intent(inout) :: sm
class(mld_s_base_smoother_type), allocatable, intent(inout) :: smout
integer(psb_ipk_), intent(out) :: info
! Local variables
integer(psb_ipk_) :: err_act
info=psb_success_
call psb_erractionsave(err_act)
if (allocated(smout)) then
call smout%free(info)
if (info == psb_success_) deallocate(smout, stat=info)
end if
if (info == psb_success_) &
& allocate(mld_s_as_smoother_type :: smout, stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
goto 9999
end if
select type(smo => smout)
type is (mld_s_as_smoother_type)
smo%novr = sm%novr
smo%restr = sm%restr
smo%prol = sm%prol
smo%nd_nnz_tot = sm%nd_nnz_tot
call sm%nd%clone(smo%nd,info)
if (info == psb_success_) &
& call sm%desc_data%clone(smo%desc_data,info)
if ((info==psb_success_).and.(allocated(sm%sv))) then
allocate(smout%sv,mold=sm%sv,stat=info)
if (info == psb_success_) call sm%sv%clone(smo%sv,info)
end if
class default
info = psb_err_internal_error_
end select
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine mld_s_as_smoother_clone