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!
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!
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! MLD2P4 version 2.1
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! MultiLevel Domain Decomposition Parallel Preconditioners Package
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! based on PSBLAS (Parallel Sparse BLAS version 3.4)
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!
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! (C) Copyright 2008, 2010, 2012, 2015, 2017
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!
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! Salvatore Filippone Cranfield University
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! Ambra Abdullahi Hassan University of Rome Tor Vergata
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! Alfredo Buttari CNRS-IRIT, Toulouse
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! Pasqua D'Ambra ICAR-CNR, Naples
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! Daniela di Serafino University of Campania "L. Vanvitelli", Caserta
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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! are met:
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions, and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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! 3. The name of the MLD2P4 group or the names of its contributors may
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! not be used to endorse or promote products derived from this
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! software without specific written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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! ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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! TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS
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! BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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! POSSIBILITY OF SUCH DAMAGE.
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!
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!
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subroutine mld_d_base_onelev_setsm(lev,val,info,pos)
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use psb_base_mod
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use mld_d_prec_mod, mld_protect_name => mld_d_base_onelev_setsm
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implicit none
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! Arguments
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class(mld_d_onelev_type), target, intent(inout) :: lev
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class(mld_d_base_smoother_type), intent(in) :: val
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integer(psb_ipk_), intent(out) :: info
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character(len=*), optional, intent(in) :: pos
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! Local variables
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integer(psb_ipk_) :: ipos_
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character(len=*), parameter :: name='mld_base_onelev_setsm'
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info = psb_success_
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if (present(pos)) then
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select case(psb_toupper(trim(pos)))
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case('PRE')
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ipos_ = mld_smooth_pre_
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case('POST')
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ipos_ = mld_smooth_post_
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case default
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ipos_ = mld_smooth_both_
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end select
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else
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ipos_ = mld_smooth_both_
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end if
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if (ipos_ == mld_smooth_both_) then
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if (allocated(lev%sm2a)) then
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call lev%sm2a%free(info)
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deallocate(lev%sm2a, stat=info)
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lev%sm2 => null()
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end if
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end if
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select case(ipos_)
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case(mld_smooth_pre_, mld_smooth_both_)
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if (allocated(lev%sm)) then
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if (.not.same_type_as(lev%sm,val)) then
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call lev%sm%free(info)
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deallocate(lev%sm, stat=info)
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end if
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endif
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if (.not.allocated(lev%sm)) then
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#ifdef HAVE_MOLD
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allocate(lev%sm,mold=val)
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#else
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allocate(lev%sm,source=val)
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#endif
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end if
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call lev%sm%default()
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if (ipos_ == mld_smooth_both_) lev%sm2 => lev%sm
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case(mld_smooth_post_)
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if (allocated(lev%sm2a)) then
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if (.not.same_type_as(lev%sm2a,val)) then
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call lev%sm2a%free(info)
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deallocate(lev%sm2a, stat=info)
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endif
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end if
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if (.not.allocated(lev%sm2a)) then
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#ifdef HAVE_MOLD
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allocate(lev%sm2a,mold=val)
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#else
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allocate(lev%sm2a,source=val)
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#endif
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end if
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call lev%sm2a%default()
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lev%sm2 => lev%sm2a
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end select
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end subroutine mld_d_base_onelev_setsm
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