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225 lines
7.7 KiB
Fortran
225 lines
7.7 KiB
Fortran
!!$
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!!$
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!!$ MD2P4
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!!$ Multilevel Domain Decomposition Parallel Preconditioner Package for PSBLAS
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!!$ for
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$ Daniela di Serafino Second University of Naples
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!!$ Pasqua D'Ambra ICAR-CNR
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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 MD2P4 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 MD2P4 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 psb_zprecseti(p,what,val,info,ilev)
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use psb_base_mod
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use psb_prec_mod, mld_protect_name => psb_zprecseti
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implicit none
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type(psb_zprec_type), intent(inout) :: p
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integer, intent(in) :: what
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integer, intent(in) :: val
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integer, intent(out) :: info
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integer, optional, intent(in) :: ilev
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integer :: ilev_, nlev_
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info = 0
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if (.not.allocated(p%baseprecv)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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nlev_ = size(p%baseprecv)
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if (present(ilev)) then
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ilev_ = ilev
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else
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ilev_ = 1
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end if
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if ((ilev_<1).or.(ilev_ > nlev_)) then
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write(0,*) 'PRECSET ERRROR: ilev out of bounds'
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info = -1
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return
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endif
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if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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if (present(ilev)) then
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if (ilev_ == 1) then
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! Rules for fine level are slightly different.
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select case(what)
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case(prec_type_,sub_solve_,sub_restr_,sub_prol_,sub_ren_,n_ovr_,sub_fill_in_,smooth_sweeps_)
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p%baseprecv(ilev_)%iprcparm(what) = val
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case default
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write(0,*) 'Error: trying to call PRECSET with an invalid WHAT'
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info = -2
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end select
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else if (ilev_ > 1) then
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select case(what)
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case(prec_type_,sub_solve_,sub_restr_,sub_prol_,sub_ren_,n_ovr_,sub_fill_in_,&
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& smooth_sweeps_,ml_type_,aggr_alg_,aggr_kind_,coarse_mat_,&
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& smooth_pos_,aggr_eig_)
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p%baseprecv(ilev_)%iprcparm(what) = val
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case(coarse_solve_)
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if (ilev_ /= nlev_) then
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write(0,*) 'Inconsistent specification of WHAT vs. ILEV'
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info = -2
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return
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end if
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p%baseprecv(ilev_)%iprcparm(sub_solve_) = val
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case(coarse_sweeps_)
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if (ilev_ /= nlev_) then
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write(0,*) 'Inconsistent specification of WHAT vs. ILEV'
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info = -2
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return
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end if
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p%baseprecv(ilev_)%iprcparm(smooth_sweeps_) = val
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case(coarse_fill_in_)
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if (ilev_ /= nlev_) then
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write(0,*) 'Inconsistent specification of WHAT vs. ILEV'
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info = -2
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return
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end if
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p%baseprecv(ilev_)%iprcparm(sub_fill_in_) = val
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case default
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write(0,*) 'Error: trying to call PRECSET with an invalid WHAT'
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info = -2
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end select
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endif
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else if (.not.present(ilev)) then
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select case(what)
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case(prec_type_,sub_solve_,sub_restr_,sub_prol_,sub_ren_,n_ovr_,sub_fill_in_,&
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& smooth_sweeps_,ml_type_,aggr_alg_,aggr_kind_,coarse_mat_,&
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& smooth_pos_,aggr_eig_)
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do ilev_=1,nlev_-1
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if (.not.allocated(p%baseprecv(ilev_)%iprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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p%baseprecv(ilev_)%iprcparm(what) = val
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end do
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case(coarse_solve_)
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if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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p%baseprecv(nlev_)%iprcparm(sub_solve_) = val
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case(coarse_sweeps_)
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if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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p%baseprecv(nlev_)%iprcparm(smooth_sweeps_) = val
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case(coarse_fill_in_)
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if (.not.allocated(p%baseprecv(nlev_)%iprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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p%baseprecv(nlev_)%iprcparm(sub_fill_in_) = val
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case default
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write(0,*) 'Error: trying to call PRECSET with an invalid WHAT'
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info = -2
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end select
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endif
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end subroutine psb_zprecseti
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subroutine psb_zprecsetd(p,what,val,info,ilev)
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use psb_base_mod
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use psb_prec_mod, mld_protect_name => psb_zprecsetd
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implicit none
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type(psb_zprec_type), intent(inout) :: p
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integer, intent(in) :: what
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real(kind(1.d0)), intent(in) :: val
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integer, intent(out) :: info
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integer, optional, intent(in) :: ilev
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integer :: ilev_,nlev_
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info = 0
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if (present(ilev)) then
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ilev_ = ilev
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else
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ilev_ = 1
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end if
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if (.not.allocated(p%baseprecv)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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nlev_ = size(p%baseprecv)
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if ((ilev_<1).or.(ilev_ > nlev_)) then
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write(0,*) 'PRECSET ERRROR: ilev out of bounds'
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info = -1
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return
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endif
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if (.not.allocated(p%baseprecv(ilev_)%dprcparm)) then
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write(0,*) 'Error: trying to call PRECSET on an uninitialized preconditioner'
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info = -1
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return
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endif
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if (ilev_ == 1) then
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! Rules for fine level are slightly different.
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select case(what)
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! Right now we don't have any at base level. Will change when
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! we implement ilu_t_
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case default
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write(0,*) 'Error: trying to call PRECSET with an invalid WHAT'
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info = -2
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end select
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else if (ilev_ > 1) then
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select case(what)
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case(aggr_damp_)
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p%baseprecv(ilev_)%dprcparm(what) = val
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case default
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write(0,*) 'Error: trying to call PRECSET with an invalid WHAT'
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info = -2
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end select
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endif
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end subroutine psb_zprecsetd
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