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