You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
4.8 KiB
Fortran
153 lines
4.8 KiB
Fortran
!
|
|
!
|
|
! MLD2P4 version 2.2
|
|
! MultiLevel Domain Decomposition Parallel Preconditioners Package
|
|
! based on PSBLAS (Parallel Sparse BLAS version 3.5)
|
|
!
|
|
! (C) Copyright 2008-2018
|
|
!
|
|
! Salvatore Filippone
|
|
! Pasqua D'Ambra
|
|
! Daniela di Serafino
|
|
!
|
|
! 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_c_base_onelev_setsv(lev,val,info,pos)
|
|
|
|
use psb_base_mod
|
|
use mld_c_prec_mod, mld_protect_name => mld_c_base_onelev_setsv
|
|
|
|
implicit none
|
|
|
|
! Arguments
|
|
class(mld_c_onelev_type), target, intent(inout) :: lev
|
|
class(mld_c_base_solver_type), intent(in) :: val
|
|
integer(psb_ipk_), intent(out) :: info
|
|
character(len=*), optional, intent(in) :: pos
|
|
|
|
! Local variables
|
|
integer(psb_ipk_) :: ipos_
|
|
character(len=*), parameter :: name='mld_base_onelev_setsv'
|
|
|
|
info = psb_success_
|
|
|
|
if (present(pos)) then
|
|
select case(psb_toupper(trim(pos)))
|
|
case('PRE')
|
|
ipos_ = mld_smooth_pre_
|
|
case('POST')
|
|
ipos_ = mld_smooth_post_
|
|
case default
|
|
ipos_ = mld_smooth_both_
|
|
end select
|
|
else
|
|
ipos_ = mld_smooth_both_
|
|
end if
|
|
|
|
if ((ipos_ == mld_smooth_pre_).or.(ipos_ == mld_smooth_both_)) then
|
|
if (allocated(lev%sm)) then
|
|
if (allocated(lev%sm%sv)) then
|
|
if (.not.same_type_as(lev%sm%sv,val)) then
|
|
call lev%sm%sv%free(info)
|
|
deallocate(lev%sm%sv,stat=info)
|
|
if (info /= 0) then
|
|
info = 3111
|
|
return
|
|
end if
|
|
end if
|
|
end if
|
|
|
|
if (.not.allocated(lev%sm%sv)) then
|
|
#ifdef HAVE_MOLD
|
|
allocate(lev%sm%sv,mold=val,stat=info)
|
|
#else
|
|
allocate(lev%sm%sv,source=val,stat=info)
|
|
#endif
|
|
if (info /= 0) then
|
|
info = 3111
|
|
return
|
|
end if
|
|
end if
|
|
call lev%sm%sv%default()
|
|
else
|
|
info = 3111
|
|
write(psb_err_unit,*) name,&
|
|
&': Error: uninitialized preconditioner component,',&
|
|
&' should call MLD_PRECINIT/MLD_PRECSET'
|
|
return
|
|
|
|
end if
|
|
end if
|
|
|
|
!
|
|
! If POS was not specified and therefore we have mld_smooth_both_
|
|
! we need to update sm2a *only* if it was already allocated,
|
|
! otherwise it is not needed (since we have just fixed %sm in the
|
|
! pre section).
|
|
!
|
|
|
|
if ((ipos_ == mld_smooth_post_).or. &
|
|
((ipos_ == mld_smooth_both_).and.(allocated(lev%sm2a)))) then
|
|
|
|
|
|
if (allocated(lev%sm2a)) then
|
|
if (allocated(lev%sm2a%sv)) then
|
|
if (.not.same_type_as(lev%sm2a%sv,val)) then
|
|
call lev%sm2a%sv%free(info)
|
|
deallocate(lev%sm2a%sv,stat=info)
|
|
if (info /= 0) then
|
|
info = 3111
|
|
return
|
|
end if
|
|
end if
|
|
end if
|
|
if (.not.allocated(lev%sm2a%sv)) then
|
|
#ifdef HAVE_MOLD
|
|
allocate(lev%sm2a%sv,mold=val,stat=info)
|
|
#else
|
|
allocate(lev%sm2a%sv,source=val,stat=info)
|
|
#endif
|
|
if (info /= 0) then
|
|
info = 3111
|
|
return
|
|
end if
|
|
end if
|
|
call lev%sm2a%sv%default()
|
|
|
|
else
|
|
info = 3111
|
|
write(psb_err_unit,*) name,&
|
|
&': Error: uninitialized preconditioner component,',&
|
|
&' should call MLD_PRECINIT/MLD_PRECSET'
|
|
return
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
end subroutine mld_c_base_onelev_setsv
|
|
|