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psblas3/base/modules/psb_base_linmap_mod.f90

178 lines
5.9 KiB
Fortran

13 years ago
!!$
!!$ Parallel Sparse BLAS version 3.0
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$
!!$ 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.
!
module psb_base_linmap_mod
use psb_const_mod
use psb_descriptor_type, only: psb_desc_type
type psb_base_linmap_type
integer :: kind
integer, allocatable :: iaggr(:), naggr(:)
type(psb_desc_type), pointer :: p_desc_X=>null(), p_desc_Y=>null()
type(psb_desc_type) :: desc_X, desc_Y
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) :: get_kind => base_get_kind
procedure, pass(map) :: set_kind => base_set_kind
procedure, pass(map) :: free => base_free
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_get_kind, base_set_kind, base_free
contains
function base_get_kind(map) result(val)
implicit none
class(psb_base_linmap_type), intent(in) :: map
Integer :: val
val = map%kind
end function base_get_kind
subroutine base_set_kind(map_kind,map)
implicit none
integer, 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(this)
use psb_descriptor_type
implicit none
class(psb_base_linmap_type), intent(in) :: map
logical :: this
this = .false.
select case(map%get_kind())
case (psb_map_aggr_)
if (.not.associated(map%p_desc_X)) return
if (.not.associated(map%p_desc_Y)) return
this = map%p_desc_X%is_ok().and.map%p_desc_Y%is_ok()
case(psb_map_gen_linear_)
this = map%desc_X%is_ok().and.map%desc_Y%is_ok()
end select
end function base_is_ok
function base_is_asb(map) result(this)
use psb_descriptor_type
implicit none
class(psb_base_linmap_type), intent(in) :: map
logical :: this
this = .false.
select case(map%get_kind())
case (psb_map_aggr_)
if (.not.associated(map%p_desc_X)) return
if (.not.associated(map%p_desc_Y)) return
this = map%p_desc_X%is_asb().and.map%p_desc_Y%is_asb()
case(psb_map_gen_linear_)
this = map%desc_X%is_asb().and.map%desc_Y%is_asb()
end select
end function base_is_asb
function base_map_sizeof(map) result(val)
use psb_descriptor_type
implicit none
class(psb_base_linmap_type), intent(in) :: map
integer(psb_long_int_k_) :: val
val = psb_sizeof_int
if (allocated(map%iaggr)) &
& val = val + psb_sizeof_int*size(map%iaggr)
if (allocated(map%naggr)) &
& val = val + psb_sizeof_int*size(map%naggr)
val = val + map%desc_X%sizeof()
val = val + map%desc_Y%sizeof()
end function base_map_sizeof
subroutine psb_base_linmap_transfer(mapin,mapout,info)
use psb_realloc_mod
use psb_descriptor_type
use psb_mat_mod, only : psb_move_alloc
implicit none
type(psb_base_linmap_type) :: mapin,mapout
integer, intent(out) :: info
mapout%kind = mapin%kind
call psb_move_alloc(mapin%iaggr,mapout%iaggr,info)
call psb_move_alloc(mapin%naggr,mapout%naggr,info)
mapout%p_desc_X => mapin%p_desc_X
mapin%p_desc_X => null()
mapout%p_desc_Y => mapin%p_desc_Y
mapin%p_desc_Y => null()
call psb_move_alloc(mapin%desc_X,mapout%desc_X,info)
call psb_move_alloc(mapin%desc_Y,mapout%desc_Y,info)
end subroutine psb_base_linmap_transfer
subroutine base_free(map,info)
implicit none
class(psb_base_linmap_type) :: map
integer, intent(out) :: info
if (allocated(map%iaggr)) &
& deallocate(map%iaggr,stat=info)
if (allocated(map%naggr)) &
& deallocate(map%naggr,stat=info)
map%p_desc_X => null()
map%p_desc_Y => null()
if (map%desc_X%is_ok()) call map%desc_X%free(info)
if (map%desc_Y%is_ok()) call map%desc_Y%free(info)
end subroutine base_free
end module psb_base_linmap_mod