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222 lines
7.6 KiB
Fortran
222 lines
7.6 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 3.0
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!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari CNRS-IRIT, Toulouse
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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_s_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_s_linmap_mod
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use psb_const_mod
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use psb_s_mat_mod, only : psb_sspmat_type
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use psb_descriptor_type, only : psb_desc_type
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use psb_base_linmap_mod
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type, extends(psb_base_linmap_type) :: psb_slinmap_type
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type(psb_sspmat_type) :: map_X2Y, map_Y2X
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contains
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procedure, pass(map) :: sizeof => s_map_sizeof
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procedure, pass(map) :: is_asb => s_is_asb
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procedure, pass(map) :: free => s_free
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end type psb_slinmap_type
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interface psb_map_X2Y
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subroutine psb_s_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_const_mod
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import :: psb_slinmap_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_X2Y
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subroutine psb_s_map_X2Y_vect(alpha,x,beta,y,map,info,work)
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use psb_const_mod
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use psb_s_vect_mod
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import :: psb_slinmap_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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type(psb_s_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_X2Y_vect
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end interface
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interface psb_map_Y2X
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subroutine psb_s_map_Y2X(alpha,x,beta,y,map,info,work)
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use psb_const_mod
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import :: psb_slinmap_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_Y2X
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subroutine psb_s_map_Y2X_vect(alpha,x,beta,y,map,info,work)
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use psb_const_mod
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use psb_s_vect_mod
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import :: psb_slinmap_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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type(psb_s_vect_type), intent(inout) :: x,y
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integer(psb_ipk_), intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_Y2X_vect
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end interface
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interface psb_map_cscnv
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module procedure psb_s_map_cscnv
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end interface
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interface psb_linmap_sub
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module procedure psb_s_linmap_sub
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end interface
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interface psb_move_alloc
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module procedure psb_slinmap_transfer
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end interface
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interface psb_linmap
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function psb_s_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr)
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use psb_s_mat_mod, only : psb_sspmat_type
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import :: psb_ipk_, psb_slinmap_type, psb_desc_type
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implicit none
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type(psb_slinmap_type) :: psb_s_linmap
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_sspmat_type), intent(in) :: map_X2Y, map_Y2X
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integer(psb_ipk_), intent(in) :: map_kind
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integer(psb_ipk_), intent(in), optional :: iaggr(:), naggr(:)
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end function psb_s_linmap
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end interface
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private :: s_map_sizeof, s_is_asb, s_free
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contains
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function s_map_sizeof(map) result(val)
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use psb_descriptor_type
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use psb_s_mat_mod
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implicit none
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class(psb_slinmap_type), intent(in) :: map
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integer(psb_long_int_k_) :: 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 s_map_sizeof
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function s_is_asb(map) result(val)
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use psb_descriptor_type
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implicit none
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class(psb_slinmap_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 s_is_asb
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subroutine psb_s_map_cscnv(map,info,type,mold)
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use psb_s_mat_mod
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implicit none
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type(psb_slinmap_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_s_base_sparse_mat), intent(in), optional :: mold
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call map%map_X2Y%cscnv(info,type=type,mold=mold)
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if (info == psb_success_)&
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& call map%map_Y2X%cscnv(info,type=type,mold=mold)
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end subroutine psb_s_map_cscnv
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subroutine psb_s_linmap_sub(out_map,map_kind,desc_X, desc_Y,&
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& map_X2Y, map_Y2X,iaggr,naggr)
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use psb_s_mat_mod
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implicit none
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type(psb_slinmap_type), intent(out) :: out_map
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_sspmat_type), intent(in) :: map_X2Y, map_Y2X
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integer(psb_ipk_), intent(in) :: map_kind
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integer(psb_ipk_), 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_s_linmap_sub
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subroutine psb_slinmap_transfer(mapin,mapout,info)
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use psb_realloc_mod
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use psb_descriptor_type
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use psb_mat_mod, only : psb_move_alloc
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implicit none
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type(psb_slinmap_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_slinmap_transfer
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subroutine s_free(map,info)
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use psb_descriptor_type
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implicit none
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class(psb_slinmap_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 s_free
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end module psb_s_linmap_mod
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