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psblas3/base/modules/comm/psb_base_linmap_mod.f90

229 lines
7.4 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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 PSBLAS 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 PSBLAS 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.
!
!
!
!
! package: psb_linmap_type_mod
! Defines data types for mapping between vectors belonging
! to different spaces U and V.
! As used in MLD2P4, U is the fine space and V is the coarse space.
!
module psb_base_linmap_mod
use psb_const_mod
use psb_desc_mod, only: psb_desc_type
type psb_base_linmap_type
integer(psb_ipk_) :: kind
integer(psb_lpk_) :: nagmin, nagmax, nagtot
real(psb_dpk_) :: nagavg
integer(psb_lpk_), allocatable :: iaggr(:), naggr(:)
type(psb_desc_type), pointer :: p_desc_U=>null(), p_desc_V=>null()
type(psb_desc_type) :: desc_U, desc_V
contains
procedure, pass(map) :: sizeof => base_map_sizeof
procedure, pass(map) :: is_ok => base_is_ok
procedure, pass(map) :: is_asb => base_is_asb
procedure, pass(map) :: is_v_repl => base_is_v_repl
procedure, pass(map) :: get_kind => base_get_kind
procedure, pass(map) :: set_kind => base_set_kind
procedure, pass(map) :: free => base_free
procedure, pass(map) :: clone => base_clone
end type psb_base_linmap_type
interface psb_move_alloc
module procedure psb_base_linmap_transfer
end interface
private :: base_map_sizeof, base_is_ok, base_is_asb, base_is_v_repl, &
& base_get_kind, base_set_kind, base_free, base_clone
contains
function base_get_kind(map) result(val)
implicit none
class(psb_base_linmap_type), intent(in) :: map
integer(psb_ipk_) :: val
val = map%kind
end function base_get_kind
subroutine base_set_kind(map_kind,map)
implicit none
integer(psb_ipk_), intent(in) :: map_kind
class(psb_base_linmap_type), intent(inout) :: map
map%kind = map_kind
end subroutine base_set_kind
function base_is_ok(map) result(res)
use psb_desc_mod
implicit none
class(psb_base_linmap_type), intent(in) :: map
logical :: res
res = .false.
select case(map%get_kind())
case (psb_map_aggr_)
if (.not.associated(map%p_desc_U)) return
if (.not.associated(map%p_desc_V)) return
res = map%p_desc_U%is_ok().and.map%p_desc_V%is_ok()
case(psb_map_gen_linear_)
res = map%desc_U%is_ok().and.map%desc_V%is_ok()
end select
end function base_is_ok
function base_is_v_repl(map) result(res)
use psb_desc_mod
implicit none
class(psb_base_linmap_type), intent(in) :: map
logical :: res
res = .false.
select case(map%get_kind())
case (psb_map_aggr_)
if (.not.associated(map%p_desc_V)) return
res = map%p_desc_V%is_repl()
case(psb_map_gen_linear_)
res = map%desc_V%is_repl()
end select
end function base_is_v_repl
function base_is_asb(map) result(res)
use psb_desc_mod
implicit none
class(psb_base_linmap_type), intent(in) :: map
logical :: res
res = .false.
select case(map%get_kind())
case (psb_map_aggr_)
if (.not.associated(map%p_desc_U)) return
if (.not.associated(map%p_desc_V)) return
res = map%p_desc_U%is_asb().and.map%p_desc_V%is_asb()
case(psb_map_gen_linear_)
res = map%desc_U%is_asb().and.map%desc_V%is_asb()
end select
end function base_is_asb
function base_map_sizeof(map) result(val)
use psb_desc_mod
implicit none
class(psb_base_linmap_type), intent(in) :: map
integer(psb_epk_) :: val
val = psb_sizeof_ip
if (allocated(map%iaggr)) &
& val = val + psb_sizeof_lp*size(map%iaggr)
if (allocated(map%naggr)) &
& val = val + psb_sizeof_lp*size(map%naggr)
val = val + map%desc_U%sizeof()
val = val + map%desc_V%sizeof()
end function base_map_sizeof
subroutine psb_base_linmap_transfer(mapin,mapout,info)
use psb_realloc_mod
use psb_desc_mod
use psb_mat_mod, only : psb_move_alloc
implicit none
type(psb_base_linmap_type), intent(inout) :: mapin,mapout
integer(psb_ipk_), intent(out) :: info
mapout%kind = mapin%kind
mapout%nagmin = mapin%nagmin
mapout%nagmax = mapin%nagmax
mapout%nagavg = mapin%nagavg
mapout%nagtot = mapin%nagtot
call psb_move_alloc(mapin%iaggr,mapout%iaggr,info)
call psb_move_alloc(mapin%naggr,mapout%naggr,info)
mapout%p_desc_U => mapin%p_desc_U
mapin%p_desc_U => null()
mapout%p_desc_V => mapin%p_desc_V
mapin%p_desc_V => null()
call psb_move_alloc(mapin%desc_U,mapout%desc_U,info)
call psb_move_alloc(mapin%desc_V,mapout%desc_V,info)
end subroutine psb_base_linmap_transfer
subroutine base_clone(map,mapout,info)
use psb_desc_mod
use psb_realloc_mod
implicit none
class(psb_base_linmap_type), intent(inout) :: map
class(psb_base_linmap_type), intent(inout) :: mapout
integer(psb_ipk_) :: info
mapout%kind = map%kind
mapout%nagmin = map%nagmin
mapout%nagmax = map%nagmax
mapout%nagavg = map%nagavg
mapout%nagtot = map%nagtot
call psb_safe_ab_cpy(map%iaggr,mapout%iaggr,info)
call psb_safe_ab_cpy(map%naggr,mapout%naggr,info)
mapout%p_desc_U => map%p_desc_U
mapout%p_desc_V => map%p_desc_V
call map%desc_U%clone(mapout%desc_U,info)
call map%desc_V%clone(mapout%desc_V,info)
end subroutine base_clone
subroutine base_free(map,info)
implicit none
class(psb_base_linmap_type) :: map
integer(psb_ipk_), intent(out) :: info
if (allocated(map%iaggr)) &
& deallocate(map%iaggr,stat=info)
if (allocated(map%naggr)) &
& deallocate(map%naggr,stat=info)
map%p_desc_U => null()
map%p_desc_V => null()
if (map%desc_U%is_ok()) call map%desc_U%free(info)
if (map%desc_V%is_ok()) call map%desc_V%free(info)
end subroutine base_free
end module psb_base_linmap_mod