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psblas3/base/modules/comm/psb_d_linmap_mod.f90

252 lines
8.7 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_d_linmap_mod
! Defines data types and interfaces for mapping between vectors belonging
! to different spaces.
!
module psb_d_linmap_mod
use psb_const_mod
use psb_d_mat_mod
use psb_desc_mod
use psb_base_linmap_mod
type, extends(psb_base_linmap_type) :: psb_dlinmap_type
type(psb_dspmat_type) :: map_X2Y, map_Y2X
contains
procedure, pass(map) :: sizeof => d_map_sizeof
procedure, pass(map) :: is_asb => d_is_asb
procedure, pass(map) :: free => d_free
procedure, pass(map) :: clone => d_clone
procedure, pass(map) :: cnv => psb_d_map_cscnv
end type psb_dlinmap_type
interface psb_map_X2Y
subroutine psb_d_map_X2Y(alpha,x,beta,y,map,info,work)
import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
implicit none
type(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
real(psb_dpk_), intent(inout) :: x(:)
real(psb_dpk_), intent(out) :: y(:)
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
end subroutine psb_d_map_X2Y
subroutine psb_d_map_X2Y_vect(alpha,x,beta,y,map,info,work,vtx,vty)
use psb_d_vect_mod, only : psb_d_vect_type
import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
implicit none
type(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
type(psb_d_vect_type), intent(inout) :: x,y
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
end subroutine psb_d_map_X2Y_vect
end interface
interface psb_map_Y2X
subroutine psb_d_map_Y2X(alpha,x,beta,y,map,info,work)
import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
implicit none
type(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
real(psb_dpk_), intent(inout) :: x(:)
real(psb_dpk_), intent(out) :: y(:)
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
end subroutine psb_d_map_Y2X
subroutine psb_d_map_Y2X_vect(alpha,x,beta,y,map,info,work,vtx,vty)
use psb_d_vect_mod, only : psb_d_vect_type
import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
implicit none
type(psb_dlinmap_type), intent(in) :: map
real(psb_dpk_), intent(in) :: alpha,beta
type(psb_d_vect_type), intent(inout) :: x,y
integer(psb_ipk_), intent(out) :: info
real(psb_dpk_), optional :: work(:)
type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
end subroutine psb_d_map_Y2X_vect
end interface
interface psb_map_cscnv
module procedure psb_d_map_cscnv
end interface
interface psb_linmap_sub
module procedure psb_d_linmap_sub
end interface
interface psb_move_alloc
module procedure psb_dlinmap_transfer
end interface
interface psb_linmap
function psb_d_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr)
use psb_d_mat_mod, only : psb_dspmat_type
import :: psb_ipk_, psb_dlinmap_type, psb_desc_type, psb_lpk_
implicit none
type(psb_dlinmap_type) :: psb_d_linmap
type(psb_desc_type), target :: desc_X, desc_Y
type(psb_dspmat_type), intent(inout) :: map_X2Y, map_Y2X
integer(psb_ipk_), intent(in) :: map_kind
integer(psb_lpk_), intent(in), optional :: iaggr(:), naggr(:)
end function psb_d_linmap
end interface
private :: d_map_sizeof, d_is_asb, d_free
contains
function d_map_sizeof(map) result(val)
implicit none
class(psb_dlinmap_type), intent(in) :: map
integer(psb_epk_) :: val
val = map%psb_base_linmap_type%sizeof()
val = val + map%map_X2Y%sizeof()
val = val + map%map_Y2X%sizeof()
end function d_map_sizeof
function d_is_asb(map) result(val)
implicit none
class(psb_dlinmap_type), intent(in) :: map
logical :: val
val = map%psb_base_linmap_type%is_asb() .and. &
& map%map_X2Y%is_asb() .and.map%map_Y2X%is_asb()
end function d_is_asb
subroutine psb_d_map_cscnv(map,info,type,mold,imold)
implicit none
class(psb_dlinmap_type), intent(inout) :: map
integer(psb_ipk_), intent(out) :: info
character(len=*), intent(in), optional :: type
class(psb_d_base_sparse_mat), intent(in), optional :: mold
class(psb_i_base_vect_type), intent(in), optional :: imold
if (map%map_X2Y%is_asb())&
& call map%map_X2Y%cscnv(info,type=type,mold=mold)
if (info == psb_success_ .and.map%map_Y2X%is_asb())&
& call map%map_Y2X%cscnv(info,type=type,mold=mold)
if (present(imold)) then
call map%desc_X%cnv(mold=imold)
call map%desc_Y%cnv(mold=imold)
end if
end subroutine psb_d_map_cscnv
subroutine psb_d_linmap_sub(out_map,map_kind,desc_X, desc_Y,&
& map_X2Y, map_Y2X,iaggr,naggr)
implicit none
type(psb_dlinmap_type), intent(out) :: out_map
type(psb_desc_type), target :: desc_X, desc_Y
type(psb_dspmat_type), intent(inout) :: map_X2Y, map_Y2X
integer(psb_ipk_), intent(in) :: map_kind
integer(psb_lpk_), intent(in), optional :: iaggr(:), naggr(:)
out_map = psb_linmap(map_kind,desc_X,desc_Y,map_X2Y,map_Y2X,iaggr,naggr)
end subroutine psb_d_linmap_sub
subroutine psb_dlinmap_transfer(mapin,mapout,info)
use psb_realloc_mod
implicit none
type(psb_dlinmap_type) :: mapin,mapout
integer(psb_ipk_), intent(out) :: info
call psb_move_alloc(mapin%psb_base_linmap_type, &
& mapout%psb_base_linmap_type,info)
call psb_move_alloc(mapin%map_X2Y,mapout%map_X2Y,info)
call psb_move_alloc(mapin%map_Y2X,mapout%map_Y2X,info)
end subroutine psb_dlinmap_transfer
subroutine d_free(map,info)
implicit none
class(psb_dlinmap_type) :: map
integer(psb_ipk_), intent(out) :: info
call map%psb_base_linmap_type%free(info)
call map%map_X2Y%free()
call map%map_Y2X%free()
end subroutine d_free
subroutine d_clone(map,mapout,info)
use psb_error_mod
implicit none
class(psb_dlinmap_type), intent(inout) :: map
class(psb_base_linmap_type), intent(inout) :: mapout
integer(psb_ipk_) :: info
integer(psb_ipk_) :: err_act
character(len=20) :: name='clone'
info = 0
select type(mout => mapout)
class is (psb_dlinmap_type)
call mout%free(info)
! Base clone!
if (info == 0) call &
& map%psb_base_linmap_type%clone(mout%psb_base_linmap_type,info)
if (info == 0) call map%map_X2Y%clone(mout%map_X2Y,info)
if (info == 0) call map%map_Y2X%clone(mout%map_Y2X,info)
class default
info = psb_err_invalid_dynamic_type_
info = psb_err_missing_override_method_
call psb_errpush(info,name,m_err=(/2/))
call psb_erractionsave(err_act)
call psb_error_handler(err_act)
end select
end subroutine d_clone
end module psb_d_linmap_mod