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103 lines
3.8 KiB
Fortran
103 lines
3.8 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 3.0)
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!!$
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!!$ (C) Copyright 2008,2009,2010
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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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! File: mld_move_alloc_mod.f90
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!
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! Module: mld_move_alloc_mod
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!
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! This module defines move_alloc-like routines, and related interfaces,
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! for the preconditioner data structures. .
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!
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module mld_d_move_alloc_mod
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use mld_d_prec_type
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interface mld_move_alloc
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module procedure mld_donelev_prec_move_alloc,&
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& mld_dprec_move_alloc
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end interface
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contains
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subroutine mld_donelev_prec_move_alloc(a, b,info)
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use psb_base_mod
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implicit none
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type(mld_donelev_type), intent(inout) :: a, b
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integer, intent(out) :: info
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call mld_precfree(b,info)
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call move_alloc(a%sm,b%sm)
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if (info == psb_success_) call psb_move_alloc(a%ac,b%ac,info)
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if (info == psb_success_) call psb_move_alloc(a%desc_ac,b%desc_ac,info)
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if (info == psb_success_) call psb_move_alloc(a%map,b%map,info)
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b%base_a => a%base_a
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b%base_desc => a%base_desc
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end subroutine mld_donelev_prec_move_alloc
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subroutine mld_dprec_move_alloc(a, b,info)
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use psb_base_mod
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implicit none
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type(mld_dprec_type), intent(inout) :: a
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type(mld_dprec_type), intent(inout), target :: b
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integer, intent(out) :: info
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integer :: i,isz
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if (allocated(b%precv)) then
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! This might not be required if FINAL procedures are available.
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call mld_precfree(b,info)
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if (info /= psb_success_) then
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! ?????
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!!$ return
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endif
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end if
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call move_alloc(a%precv,b%precv)
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! Fix the pointers except on level 1.
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do i=2, isz
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b%precv(i)%base_a => b%precv(i)%ac
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b%precv(i)%base_desc => b%precv(i)%desc_ac
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b%precv(i)%map%p_desc_X => b%precv(i-1)%base_desc
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b%precv(i)%map%p_desc_Y => b%precv(i)%base_desc
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end do
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end subroutine mld_dprec_move_alloc
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end module mld_d_move_alloc_mod
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