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amg4psblas/mlprec/impl/solver/mld_c_gs_solver_clone.f90

88 lines
3.1 KiB
Fortran

!
!
! MLD2P4 version 2.1
! 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_gs_solver_clone(sv,svout,info)
use psb_base_mod
use mld_c_gs_solver, mld_protect_name => mld_c_gs_solver_clone
Implicit None
! Arguments
class(mld_c_gs_solver_type), intent(inout) :: sv
class(mld_c_base_solver_type), allocatable, intent(inout) :: svout
integer(psb_ipk_), intent(out) :: info
! Local variables
integer(psb_ipk_) :: err_act
info=psb_success_
call psb_erractionsave(err_act)
if (allocated(svout)) then
call svout%free(info)
if (info == psb_success_) deallocate(svout, stat=info)
end if
if (info == psb_success_) &
& allocate(mld_c_gs_solver_type :: svout, stat=info)
if (info /= 0) then
info = psb_err_alloc_dealloc_
goto 9999
end if
select type(svo => svout)
type is (mld_c_gs_solver_type)
svo%sweeps = sv%sweeps
svo%eps = sv%eps
if (info == psb_success_) &
& call sv%l%clone(svo%l,info)
if (info == psb_success_) &
& call sv%u%clone(svo%u,info)
class default
info = psb_err_internal_error_
end select
if (info /= 0) goto 9999
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine mld_c_gs_solver_clone