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661 lines
21 KiB
Fortran
661 lines
21 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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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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!
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subroutine psb_s_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_sparse_mod, psb_protect_name => psb_s_map_X2Y
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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, intent(out) :: info
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real(psb_spk_), optional :: work(:)
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!
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real(psb_spk_), allocatable :: xt(:), yt(:)
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integer :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, map_data, nr, ictxt
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character(len=20), parameter :: name='psb_map_X2Y'
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info = 0
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if (.not.psb_is_asb_map(map)) then
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end if
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map_kind = psb_get_map_kind(map)
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = psb_cd_get_context(map%p_desc_Y)
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nr2 = psb_cd_get_global_rows(map%p_desc_Y)
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nc2 = psb_cd_get_local_cols(map%p_desc_Y)
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allocate(yt(nc2),stat=info)
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if (info == 0) call psb_halo(x,map%p_desc_X,info,work=work)
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if (info == 0) call psb_csmm(sone,map%map_X2Y,x,szero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%p_desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = psb_cd_get_context(map%desc_Y)
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nr1 = psb_cd_get_local_rows(map%desc_X)
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nc1 = psb_cd_get_local_cols(map%desc_X)
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nr2 = psb_cd_get_global_rows(map%desc_Y)
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nc2 = psb_cd_get_local_cols(map%desc_Y)
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == 0) call psb_halo(xt,map%desc_X,info,work=work)
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if (info == 0) call psb_csmm(sone,map%map_X2Y,xt,szero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end select
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end subroutine psb_s_map_X2Y
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!
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! Takes a vector x from space map%p_desc_Y and maps it onto
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! map%p_desc_X under map%map_Y2X possibly with communication
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! due to exch_bk_idx
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!
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subroutine psb_s_map_Y2X(alpha,x,beta,y,map,info,work)
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use psb_sparse_mod, psb_protect_name => psb_s_map_Y2X
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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, intent(out) :: info
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real(psb_spk_), optional :: work(:)
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!
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real(psb_spk_), allocatable :: xt(:), yt(:)
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integer :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, map_data, nr, ictxt
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character(len=20), parameter :: name='psb_map_Y2X'
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info = 0
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if (.not.psb_is_asb_map(map)) then
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end if
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map_kind = psb_get_map_kind(map)
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = psb_cd_get_context(map%p_desc_X)
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nr2 = psb_cd_get_global_rows(map%p_desc_X)
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nc2 = psb_cd_get_local_cols(map%p_desc_X)
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allocate(yt(nc2),stat=info)
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if (info == 0) call psb_halo(x,map%p_desc_Y,info,work=work)
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if (info == 0) call psb_csmm(sone,map%map_Y2X,x,szero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%p_desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = psb_cd_get_context(map%desc_X)
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nr1 = psb_cd_get_local_rows(map%desc_Y)
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nc1 = psb_cd_get_local_cols(map%desc_Y)
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nr2 = psb_cd_get_global_rows(map%desc_X)
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nc2 = psb_cd_get_local_cols(map%desc_X)
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == 0) call psb_halo(xt,map%desc_Y,info,work=work)
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if (info == 0) call psb_csmm(sone,map%map_Y2X,xt,szero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end select
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end subroutine psb_s_map_Y2X
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!
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! Takes a vector x from space map%p_desc_X and maps it onto
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! map%p_desc_Y under map%map_X2Y possibly with communication
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! due to exch_fw_idx
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!
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subroutine psb_d_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_sparse_mod, psb_protect_name => psb_d_map_X2Y
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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, intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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!
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real(psb_dpk_), allocatable :: xt(:), yt(:)
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integer :: i, j, nr1, nc1,nr2, nc2 ,&
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& map_kind, map_data, nr, ictxt
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character(len=20), parameter :: name='psb_map_X2Y'
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info = 0
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if (.not.psb_is_asb_map(map)) then
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write(0,*) trim(name),' Invalid descriptor input: unassembled'
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info = 1
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return
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end if
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map_kind = psb_get_map_kind(map)
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = psb_cd_get_context(map%p_desc_Y)
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nr2 = psb_cd_get_global_rows(map%p_desc_Y)
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nc2 = psb_cd_get_local_cols(map%p_desc_Y)
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allocate(yt(nc2),stat=info)
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if (info == 0) call psb_halo(x,map%p_desc_X,info,work=work)
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if (info == 0) call psb_csmm(done,map%map_X2Y,x,dzero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%p_desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = psb_cd_get_context(map%desc_Y)
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nr1 = psb_cd_get_local_rows(map%desc_X)
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nc1 = psb_cd_get_local_cols(map%desc_X)
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nr2 = psb_cd_get_global_rows(map%desc_Y)
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nc2 = psb_cd_get_local_cols(map%desc_Y)
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == 0) call psb_halo(xt,map%desc_X,info,work=work)
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if (info == 0) call psb_csmm(done,map%map_X2Y,xt,dzero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(0,*) trim(name),' Invalid descriptor input', &
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& map_kind, psb_map_aggr_, psb_map_gen_linear_
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info = 1
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return
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end select
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end subroutine psb_d_map_X2Y
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!
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! Takes a vector x from space map%p_desc_Y and maps it onto
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! map%p_desc_X under map%map_Y2X possibly with communication
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! due to exch_bk_idx
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!
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subroutine psb_d_map_Y2X(alpha,x,beta,y,map,info,work)
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use psb_sparse_mod, psb_protect_name => psb_d_map_Y2X
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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, intent(out) :: info
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real(psb_dpk_), optional :: work(:)
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!
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real(psb_dpk_), allocatable :: xt(:), yt(:)
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integer :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, map_data, nr, ictxt
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character(len=20), parameter :: name='psb_map_Y2X'
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info = 0
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if (.not.psb_is_asb_map(map)) then
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end if
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map_kind = psb_get_map_kind(map)
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = psb_cd_get_context(map%p_desc_X)
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nr2 = psb_cd_get_global_rows(map%p_desc_X)
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nc2 = psb_cd_get_local_cols(map%p_desc_X)
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allocate(yt(nc2),stat=info)
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if (info == 0) call psb_halo(x,map%p_desc_Y,info,work=work)
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if (info == 0) call psb_csmm(done,map%map_Y2X,x,dzero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%p_desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = psb_cd_get_context(map%desc_X)
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nr1 = psb_cd_get_local_rows(map%desc_Y)
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nc1 = psb_cd_get_local_cols(map%desc_Y)
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nr2 = psb_cd_get_global_rows(map%desc_X)
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nc2 = psb_cd_get_local_cols(map%desc_X)
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == 0) call psb_halo(xt,map%desc_Y,info,work=work)
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if (info == 0) call psb_csmm(done,map%map_Y2X,xt,dzero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%desc_X)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case default
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end select
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end subroutine psb_d_map_Y2X
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!
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! Takes a vector x from space map%p_desc_X and maps it onto
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! map%p_desc_Y under map%map_X2Y possibly with communication
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! due to exch_fw_idx
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!
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subroutine psb_c_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_sparse_mod, psb_protect_name => psb_c_map_X2Y
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implicit none
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type(psb_clinmap_type), intent(in) :: map
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complex(psb_spk_), intent(in) :: alpha,beta
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complex(psb_spk_), intent(inout) :: x(:)
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complex(psb_spk_), intent(out) :: y(:)
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integer, intent(out) :: info
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complex(psb_spk_), optional :: work(:)
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!
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complex(psb_spk_), allocatable :: xt(:), yt(:)
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integer :: i, j, nr1, nc1,nr2, nc2,&
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& map_kind, map_data, nr, ictxt
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character(len=20), parameter :: name='psb_map_X2Y'
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info = 0
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if (.not.psb_is_asb_map(map)) then
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write(0,*) trim(name),' Invalid descriptor input'
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info = 1
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return
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end if
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map_kind = psb_get_map_kind(map)
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select case(map_kind)
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case(psb_map_aggr_)
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ictxt = psb_cd_get_context(map%p_desc_Y)
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nr2 = psb_cd_get_global_rows(map%p_desc_Y)
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nc2 = psb_cd_get_local_cols(map%p_desc_Y)
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allocate(yt(nc2),stat=info)
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if (info == 0) call psb_halo(x,map%p_desc_X,info,work=work)
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if (info == 0) call psb_csmm(cone,map%map_X2Y,x,czero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%p_desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
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end if
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case(psb_map_gen_linear_)
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ictxt = psb_cd_get_context(map%desc_Y)
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nr1 = psb_cd_get_local_rows(map%desc_X)
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nc1 = psb_cd_get_local_cols(map%desc_X)
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nr2 = psb_cd_get_global_rows(map%desc_Y)
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nc2 = psb_cd_get_local_cols(map%desc_Y)
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allocate(xt(nc1),yt(nc2),stat=info)
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xt(1:nr1) = x(1:nr1)
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if (info == 0) call psb_halo(xt,map%desc_X,info,work=work)
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if (info == 0) call psb_csmm(cone,map%map_X2Y,xt,czero,yt,info)
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if ((info == 0) .and. psb_is_repl_desc(map%desc_Y)) then
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call psb_sum(ictxt,yt(1:nr2))
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end if
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if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
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if (info /= 0) then
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write(0,*) trim(name),' Error from inner routines',info
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info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_c_map_X2Y
|
|
|
|
|
|
!
|
|
! Takes a vector x from space map%p_desc_Y and maps it onto
|
|
! map%p_desc_X under map%map_Y2X possibly with communication
|
|
! due to exch_bk_idx
|
|
!
|
|
subroutine psb_c_map_Y2X(alpha,x,beta,y,map,info,work)
|
|
use psb_sparse_mod, psb_protect_name => psb_c_map_Y2X
|
|
|
|
implicit none
|
|
type(psb_clinmap_type), intent(in) :: map
|
|
complex(psb_spk_), intent(in) :: alpha,beta
|
|
complex(psb_spk_), intent(inout) :: x(:)
|
|
complex(psb_spk_), intent(out) :: y(:)
|
|
integer, intent(out) :: info
|
|
complex(psb_spk_), optional :: work(:)
|
|
|
|
!
|
|
complex(psb_spk_), allocatable :: xt(:), yt(:)
|
|
integer :: i, j, nr1, nc1,nr2, nc2,&
|
|
& map_kind, map_data, nr, ictxt
|
|
character(len=20), parameter :: name='psb_map_Y2X'
|
|
|
|
info = 0
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end if
|
|
|
|
map_kind = psb_get_map_kind(map)
|
|
|
|
select case(map_kind)
|
|
case(psb_map_aggr_)
|
|
|
|
ictxt = psb_cd_get_context(map%p_desc_X)
|
|
nr2 = psb_cd_get_global_rows(map%p_desc_X)
|
|
nc2 = psb_cd_get_local_cols(map%p_desc_X)
|
|
allocate(yt(nc2),stat=info)
|
|
if (info == 0) call psb_halo(x,map%p_desc_Y,info,work=work)
|
|
if (info == 0) call psb_csmm(cone,map%map_Y2X,x,czero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%p_desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = psb_cd_get_context(map%desc_X)
|
|
nr1 = psb_cd_get_local_rows(map%desc_Y)
|
|
nc1 = psb_cd_get_local_cols(map%desc_Y)
|
|
nr2 = psb_cd_get_global_rows(map%desc_X)
|
|
nc2 = psb_cd_get_local_cols(map%desc_X)
|
|
allocate(xt(nc1),yt(nc2),stat=info)
|
|
xt(1:nr1) = x(1:nr1)
|
|
if (info == 0) call psb_halo(xt,map%desc_Y,info,work=work)
|
|
if (info == 0) call psb_csmm(cone,map%map_Y2X,xt,czero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_c_map_Y2X
|
|
|
|
|
|
!
|
|
! Takes a vector x from space map%p_desc_X and maps it onto
|
|
! map%p_desc_Y under map%map_X2Y possibly with communication
|
|
! due to exch_fw_idx
|
|
!
|
|
subroutine psb_z_map_X2Y(alpha,x,beta,y,map,info,work)
|
|
use psb_sparse_mod, psb_protect_name => psb_z_map_X2Y
|
|
|
|
implicit none
|
|
type(psb_zlinmap_type), intent(in) :: map
|
|
complex(psb_dpk_), intent(in) :: alpha,beta
|
|
complex(psb_dpk_), intent(inout) :: x(:)
|
|
complex(psb_dpk_), intent(out) :: y(:)
|
|
integer, intent(out) :: info
|
|
complex(psb_dpk_), optional :: work(:)
|
|
|
|
!
|
|
complex(psb_dpk_), allocatable :: xt(:), yt(:)
|
|
integer :: i, j, nr1, nc1,nr2, nc2,&
|
|
& map_kind, map_data, nr, ictxt
|
|
character(len=20), parameter :: name='psb_map_X2Y'
|
|
|
|
info = 0
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end if
|
|
|
|
map_kind = psb_get_map_kind(map)
|
|
|
|
select case(map_kind)
|
|
case(psb_map_aggr_)
|
|
|
|
ictxt = psb_cd_get_context(map%p_desc_Y)
|
|
nr2 = psb_cd_get_global_rows(map%p_desc_Y)
|
|
nc2 = psb_cd_get_local_cols(map%p_desc_Y)
|
|
allocate(yt(nc2),stat=info)
|
|
if (info == 0) call psb_halo(x,map%p_desc_X,info,work=work)
|
|
if (info == 0) call psb_csmm(zone,map%map_X2Y,x,zzero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%p_desc_Y)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = psb_cd_get_context(map%desc_Y)
|
|
nr1 = psb_cd_get_local_rows(map%desc_X)
|
|
nc1 = psb_cd_get_local_cols(map%desc_X)
|
|
nr2 = psb_cd_get_global_rows(map%desc_Y)
|
|
nc2 = psb_cd_get_local_cols(map%desc_Y)
|
|
allocate(xt(nc1),yt(nc2),stat=info)
|
|
xt(1:nr1) = x(1:nr1)
|
|
if (info == 0) call psb_halo(xt,map%desc_X,info,work=work)
|
|
if (info == 0) call psb_csmm(zone,map%map_X2Y,xt,zzero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%desc_Y)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_z_map_X2Y
|
|
|
|
|
|
!
|
|
! Takes a vector x from space map%p_desc_Y and maps it onto
|
|
! map%p_desc_X under map%map_Y2X possibly with communication
|
|
! due to exch_bk_idx
|
|
!
|
|
subroutine psb_z_map_Y2X(alpha,x,beta,y,map,info,work)
|
|
use psb_sparse_mod, psb_protect_name => psb_z_map_Y2X
|
|
|
|
implicit none
|
|
type(psb_zlinmap_type), intent(in) :: map
|
|
complex(psb_dpk_), intent(in) :: alpha,beta
|
|
complex(psb_dpk_), intent(inout) :: x(:)
|
|
complex(psb_dpk_), intent(out) :: y(:)
|
|
integer, intent(out) :: info
|
|
complex(psb_dpk_), optional :: work(:)
|
|
|
|
!
|
|
complex(psb_dpk_), allocatable :: xt(:), yt(:)
|
|
integer :: i, j, nr1, nc1,nr2, nc2,&
|
|
& map_kind, map_data, nr, ictxt
|
|
character(len=20), parameter :: name='psb_map_Y2X'
|
|
|
|
info = 0
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end if
|
|
|
|
map_kind = psb_get_map_kind(map)
|
|
|
|
select case(map_kind)
|
|
case(psb_map_aggr_)
|
|
|
|
ictxt = psb_cd_get_context(map%p_desc_X)
|
|
nr2 = psb_cd_get_global_rows(map%p_desc_X)
|
|
nc2 = psb_cd_get_local_cols(map%p_desc_X)
|
|
allocate(yt(nc2),stat=info)
|
|
if (info == 0) call psb_halo(x,map%p_desc_Y,info,work=work)
|
|
if (info == 0) call psb_csmm(zone,map%map_Y2X,x,zzero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%p_desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = psb_cd_get_context(map%desc_X)
|
|
nr1 = psb_cd_get_local_rows(map%desc_Y)
|
|
nc1 = psb_cd_get_local_cols(map%desc_Y)
|
|
nr2 = psb_cd_get_global_rows(map%desc_X)
|
|
nc2 = psb_cd_get_local_cols(map%desc_X)
|
|
allocate(xt(nc1),yt(nc2),stat=info)
|
|
xt(1:nr1) = x(1:nr1)
|
|
if (info == 0) call psb_halo(xt,map%desc_Y,info,work=work)
|
|
if (info == 0) call psb_csmm(zone,map%map_Y2X,xt,zzero,yt,info)
|
|
if ((info == 0) .and. psb_is_repl_desc(map%desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == 0) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
|
|
if (info /= 0) then
|
|
write(0,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(0,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_z_map_Y2X
|
|
|
|
|