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252 lines
8.7 KiB
Fortran
252 lines
8.7 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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 PSBLAS 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 PSBLAS 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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!
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!
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! package: psb_d_linmap_mod
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! Defines data types and interfaces for mapping between vectors belonging
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! to different spaces.
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!
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module psb_d_linmap_mod
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use psb_const_mod
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use psb_d_mat_mod
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use psb_desc_mod
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use psb_base_linmap_mod
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type, extends(psb_base_linmap_type) :: psb_dlinmap_type
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type(psb_dspmat_type) :: map_X2Y, map_Y2X
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contains
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procedure, pass(map) :: sizeof => d_map_sizeof
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procedure, pass(map) :: is_asb => d_is_asb
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procedure, pass(map) :: free => d_free
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procedure, pass(map) :: clone => d_clone
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procedure, pass(map) :: cnv => psb_d_map_cscnv
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end type psb_dlinmap_type
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interface psb_map_X2Y
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subroutine psb_d_map_X2Y(alpha,x,beta,y,map,info,work)
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import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
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implicit none
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type(psb_dlinmap_type), intent(in) :: map
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real(psb_dpk_), intent(in) :: alpha,beta
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real(psb_dpk_), intent(inout) :: x(:)
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real(psb_dpk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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end subroutine psb_d_map_X2Y
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subroutine psb_d_map_X2Y_vect(alpha,x,beta,y,map,info,work,vtx,vty)
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use psb_d_vect_mod, only : psb_d_vect_type
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import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
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implicit none
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type(psb_dlinmap_type), intent(in) :: map
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real(psb_dpk_), intent(in) :: alpha,beta
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type(psb_d_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
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end subroutine psb_d_map_X2Y_vect
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end interface
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interface psb_map_Y2X
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subroutine psb_d_map_Y2X(alpha,x,beta,y,map,info,work)
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import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
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implicit none
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type(psb_dlinmap_type), intent(in) :: map
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real(psb_dpk_), intent(in) :: alpha,beta
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real(psb_dpk_), intent(inout) :: x(:)
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real(psb_dpk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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end subroutine psb_d_map_Y2X
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subroutine psb_d_map_Y2X_vect(alpha,x,beta,y,map,info,work,vtx,vty)
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use psb_d_vect_mod, only : psb_d_vect_type
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import :: psb_ipk_, psb_dpk_, psb_dlinmap_type
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implicit none
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type(psb_dlinmap_type), intent(in) :: map
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real(psb_dpk_), intent(in) :: alpha,beta
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type(psb_d_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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type(psb_d_vect_type), optional, target, intent(inout) :: vtx,vty
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end subroutine psb_d_map_Y2X_vect
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end interface
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interface psb_map_cscnv
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module procedure psb_d_map_cscnv
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end interface
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interface psb_linmap_sub
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module procedure psb_d_linmap_sub
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end interface
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interface psb_move_alloc
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module procedure psb_dlinmap_transfer
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end interface
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interface psb_linmap
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function psb_d_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr)
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use psb_d_mat_mod, only : psb_dspmat_type
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import :: psb_ipk_, psb_dlinmap_type, psb_desc_type, psb_lpk_
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implicit none
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type(psb_dlinmap_type) :: psb_d_linmap
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_dspmat_type), intent(inout) :: map_X2Y, map_Y2X
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integer(psb_ipk_), intent(in) :: map_kind
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integer(psb_lpk_), intent(in), optional :: iaggr(:), naggr(:)
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end function psb_d_linmap
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end interface
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private :: d_map_sizeof, d_is_asb, d_free
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contains
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function d_map_sizeof(map) result(val)
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implicit none
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class(psb_dlinmap_type), intent(in) :: map
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integer(psb_epk_) :: val
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val = map%psb_base_linmap_type%sizeof()
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val = val + map%map_X2Y%sizeof()
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val = val + map%map_Y2X%sizeof()
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end function d_map_sizeof
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function d_is_asb(map) result(val)
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implicit none
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class(psb_dlinmap_type), intent(in) :: map
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logical :: val
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val = map%psb_base_linmap_type%is_asb() .and. &
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& map%map_X2Y%is_asb() .and.map%map_Y2X%is_asb()
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end function d_is_asb
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subroutine psb_d_map_cscnv(map,info,type,mold,imold)
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implicit none
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class(psb_dlinmap_type), intent(inout) :: map
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integer(psb_ipk_), intent(out) :: info
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character(len=*), intent(in), optional :: type
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class(psb_d_base_sparse_mat), intent(in), optional :: mold
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class(psb_i_base_vect_type), intent(in), optional :: imold
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if (map%map_X2Y%is_asb())&
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& call map%map_X2Y%cscnv(info,type=type,mold=mold)
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if (info == psb_success_ .and.map%map_Y2X%is_asb())&
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& call map%map_Y2X%cscnv(info,type=type,mold=mold)
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if (present(imold)) then
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call map%desc_X%cnv(mold=imold)
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call map%desc_Y%cnv(mold=imold)
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end if
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end subroutine psb_d_map_cscnv
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subroutine psb_d_linmap_sub(out_map,map_kind,desc_X, desc_Y,&
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& map_X2Y, map_Y2X,iaggr,naggr)
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implicit none
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type(psb_dlinmap_type), intent(out) :: out_map
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_dspmat_type), intent(inout) :: map_X2Y, map_Y2X
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integer(psb_ipk_), intent(in) :: map_kind
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integer(psb_lpk_), intent(in), optional :: iaggr(:), naggr(:)
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out_map = psb_linmap(map_kind,desc_X,desc_Y,map_X2Y,map_Y2X,iaggr,naggr)
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end subroutine psb_d_linmap_sub
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subroutine psb_dlinmap_transfer(mapin,mapout,info)
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use psb_realloc_mod
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implicit none
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type(psb_dlinmap_type) :: mapin,mapout
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integer(psb_ipk_), intent(out) :: info
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call psb_move_alloc(mapin%psb_base_linmap_type, &
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& mapout%psb_base_linmap_type,info)
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call psb_move_alloc(mapin%map_X2Y,mapout%map_X2Y,info)
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call psb_move_alloc(mapin%map_Y2X,mapout%map_Y2X,info)
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end subroutine psb_dlinmap_transfer
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subroutine d_free(map,info)
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implicit none
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class(psb_dlinmap_type) :: map
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integer(psb_ipk_), intent(out) :: info
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call map%psb_base_linmap_type%free(info)
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call map%map_X2Y%free()
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call map%map_Y2X%free()
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end subroutine d_free
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subroutine d_clone(map,mapout,info)
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use psb_error_mod
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implicit none
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class(psb_dlinmap_type), intent(inout) :: map
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class(psb_base_linmap_type), intent(inout) :: mapout
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integer(psb_ipk_) :: info
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integer(psb_ipk_) :: err_act
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character(len=20) :: name='clone'
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info = 0
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select type(mout => mapout)
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class is (psb_dlinmap_type)
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call mout%free(info)
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! Base clone!
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if (info == 0) call &
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& map%psb_base_linmap_type%clone(mout%psb_base_linmap_type,info)
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if (info == 0) call map%map_X2Y%clone(mout%map_X2Y,info)
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if (info == 0) call map%map_Y2X%clone(mout%map_Y2X,info)
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class default
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info = psb_err_invalid_dynamic_type_
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info = psb_err_missing_override_method_
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call psb_errpush(info,name,m_err=(/2/))
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call psb_erractionsave(err_act)
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call psb_error_handler(err_act)
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end select
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end subroutine d_clone
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end module psb_d_linmap_mod
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