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145 lines
4.6 KiB
Fortran
145 lines
4.6 KiB
Fortran
!!$
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!!$
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!!$ MLD2P4 version 2.0
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!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
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!!$ based on PSBLAS (Parallel Sparse BLAS version 3.3)
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!!$
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!!$ (C) Copyright 2008, 2010, 2012, 2015
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!!$
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!!$ Salvatore Filippone 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 Second University of Naples
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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_s_base_onelev_setsv(lev,val,info,pos)
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use psb_base_mod
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use mld_s_prec_mod, mld_protect_name => mld_s_base_onelev_setsv
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implicit none
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! Arguments
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class(mld_s_onelev_type), target, intent(inout) :: lev
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class(mld_s_base_solver_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_setsv'
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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_pre_smooth_
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case('POST')
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ipos_ = mld_post_smooth_
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case default
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ipos_ = mld_pre_smooth_
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end select
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else
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ipos_ = mld_pre_smooth_
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end if
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select case(ipos_)
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case(mld_pre_smooth_)
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if (allocated(lev%sm)) then
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if (allocated(lev%sm%sv)) then
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if (.not.same_type_as(lev%sm%sv,val)) then
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call lev%sm%sv%free(info)
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deallocate(lev%sm%sv,stat=info)
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if (info /= 0) then
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info = 3111
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return
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end if
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end if
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end if
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if (.not.allocated(lev%sm%sv)) then
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#ifdef HAVE_MOLD
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allocate(lev%sm%sv,mold=val,stat=info)
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#else
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allocate(lev%sm%sv,source=val,stat=info)
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#endif
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if (info /= 0) then
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info = 3111
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return
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end if
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end if
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call lev%sm%sv%default()
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else
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info = 3111
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write(psb_err_unit,*) name,&
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&': Error: uninitialized preconditioner component,',&
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&' should call MLD_PRECINIT/MLD_PRECSET'
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return
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end if
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case(mld_post_smooth_)
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if (allocated(lev%sm2a)) then
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if (allocated(lev%sm2a%sv)) then
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if (.not.same_type_as(lev%sm2a%sv,val)) then
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call lev%sm2a%sv%free(info)
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deallocate(lev%sm2a%sv,stat=info)
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if (info /= 0) then
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info = 3111
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return
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end if
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end if
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end if
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if (.not.allocated(lev%sm2a%sv)) then
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#ifdef HAVE_MOLD
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allocate(lev%sm2a%sv,mold=val,stat=info)
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#else
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allocate(lev%sm2a%sv,source=val,stat=info)
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#endif
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if (info /= 0) then
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info = 3111
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return
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end if
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end if
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call lev%sm2a%sv%default()
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else
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info = 3111
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write(psb_err_unit,*) name,&
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&': Error: uninitialized preconditioner component,',&
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&' should call MLD_PRECINIT/MLD_PRECSET'
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return
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end if
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end select
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end subroutine mld_s_base_onelev_setsv
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