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151 lines
4.6 KiB
Fortran
151 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_z_as_smoother_prol_v(sm,x,trans,work,info,data)
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use psb_base_mod
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use mld_z_as_smoother, mld_protect_nam => mld_z_as_smoother_prol_v
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implicit none
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class(mld_z_as_smoother_type), intent(inout) :: sm
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type(psb_z_vect_type),intent(inout) :: x
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character(len=1),intent(in) :: trans
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complex(psb_dpk_),target, intent(inout) :: work(:)
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), optional, intent(in) :: data
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!Local
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integer(psb_ipk_) :: ictxt,np,me, err_act,isz,int_err(5), data_
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character :: trans_
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character(len=20) :: name='z_as_smther_prol_v', ch_err
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call psb_erractionsave(err_act)
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info = psb_success_
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ictxt = sm%desc_data%get_context()
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call psb_info(ictxt,me,np)
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trans_ = psb_toupper(trans)
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select case(trans_)
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case('N')
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case('T')
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case('C')
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case default
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info = psb_err_iarg_invalid_i_
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call psb_errpush(info,name)
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goto 9999
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end select
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if (present(data)) then
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data_ = data
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else
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data_ = psb_comm_ext_
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end if
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if (.not.allocated(sm%sv)) then
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info = 1121
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call psb_errpush(info,name)
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goto 9999
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end if
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select case(trans_)
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case('N')
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select case (sm%prol)
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case(psb_none_)
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!
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! Would work anyway, but since it is supposed to do nothing ...
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! call psb_ovrl(x,sm%desc_data,info,&
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! & update=sm%prol,work=work)
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case(psb_sum_,psb_avg_)
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!
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! Update the overlap of x
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!
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call psb_ovrl(x,sm%desc_data,info,&
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& update=sm%prol,work=work)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_ovrl'
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goto 9999
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end if
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case default
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call psb_errpush(psb_err_internal_error_,name,&
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& a_err='Invalid mld_sub_prol_')
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goto 9999
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end select
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case('T','C')
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!
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! With transpose, we have to do it here
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!
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if (sm%restr == psb_halo_) then
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call psb_ovrl(x,sm%desc_data,info,&
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& update=psb_sum_,work=work)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_ovrl'
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goto 9999
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end if
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else if (sm%restr /= psb_none_) then
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call psb_errpush(psb_err_internal_error_,name,&
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& a_err='Invalid mld_sub_restr_')
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goto 9999
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end if
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case default
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info=psb_err_iarg_invalid_i_
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int_err(1)=6
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ch_err(2:2)=trans
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(err_act)
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return
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end subroutine mld_z_as_smoother_prol_v
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