You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
445 lines
15 KiB
Fortran
445 lines
15 KiB
Fortran
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
!!$
|
|
!
|
|
!
|
|
!
|
|
! 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_d_map_X2Y(alpha,x,beta,y,map,info,work)
|
|
use psb_base_mod, psb_protect_name => psb_d_map_X2Y
|
|
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, intent(out) :: info
|
|
real(psb_dpk_), optional :: work(:)
|
|
|
|
!
|
|
real(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 = psb_success_
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input: unassembled'
|
|
info = 1
|
|
return
|
|
end if
|
|
|
|
map_kind = psb_get_map_kind(map)
|
|
|
|
select case(map_kind)
|
|
case(psb_map_aggr_)
|
|
|
|
ictxt = map%p_desc_Y%get_context()
|
|
nr2 = map%p_desc_Y%get_global_rows()
|
|
nc2 = map%p_desc_Y%get_local_cols()
|
|
allocate(yt(nc2),stat=info)
|
|
if (info == psb_success_) call psb_halo(x,map%p_desc_X,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_X2Y,x,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_Y)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = map%desc_Y%get_context()
|
|
nr1 = map%desc_X%get_local_rows()
|
|
nc1 = map%desc_X%get_local_cols()
|
|
nr2 = map%desc_Y%get_global_rows()
|
|
nc2 = map%desc_Y%get_local_cols()
|
|
allocate(xt(nc1),yt(nc2),stat=info)
|
|
xt(1:nr1) = x(1:nr1)
|
|
if (info == psb_success_) call psb_halo(xt,map%desc_X,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_X2Y,xt,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_Y)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
|
|
& map_kind, psb_map_aggr_, psb_map_gen_linear_
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_d_map_X2Y
|
|
|
|
|
|
subroutine psb_d_map_X2Y_vect(alpha,x,beta,y,map,info,work)
|
|
use psb_base_mod, psb_protect_name => psb_d_map_X2Y_vect
|
|
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, intent(out) :: info
|
|
real(psb_dpk_), optional :: work(:)
|
|
! Local
|
|
type(psb_d_vect_type) :: xt, yt
|
|
real(psb_dpk_), allocatable :: xta(:), yta(:)
|
|
integer :: i, j, nr1, nc1,nr2, nc2 ,&
|
|
& map_kind, map_data, nr, ictxt
|
|
character(len=20), parameter :: name='psb_map_X2Y'
|
|
|
|
info = psb_success_
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input: unassembled'
|
|
info = 1
|
|
return
|
|
end if
|
|
|
|
map_kind = psb_get_map_kind(map)
|
|
|
|
select case(map_kind)
|
|
case(psb_map_aggr_)
|
|
|
|
ictxt = map%p_desc_Y%get_context()
|
|
nr2 = map%p_desc_Y%get_global_rows()
|
|
nc2 = map%p_desc_Y%get_local_cols()
|
|
call psb_geall(yt,map%p_desc_Y,info)
|
|
call psb_geasb(yt,map%p_desc_Y,info,mold=y%v)
|
|
if (info == psb_success_) call psb_halo(x,map%p_desc_X,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_X2Y,x,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_Y)) then
|
|
yta = yt
|
|
call psb_sum(ictxt,yta(1:nr2))
|
|
call yt%set(yta)
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_Y,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
call psb_gefree(yt,map%p_desc_Y,info)
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = map%desc_Y%get_context()
|
|
nr1 = map%desc_X%get_local_rows()
|
|
nc1 = map%desc_X%get_local_cols()
|
|
nr2 = map%desc_Y%get_global_rows()
|
|
nc2 = map%desc_Y%get_local_cols()
|
|
|
|
call psb_geall(xt,map%p_desc_X,info)
|
|
call psb_geasb(xt,map%p_desc_X,info,mold=x%v)
|
|
call psb_geall(yt,map%p_desc_Y,info)
|
|
call psb_geasb(yt,map%p_desc_Y,info,mold=y%v)
|
|
xta = x
|
|
call xt%set(xta(1:nr1))
|
|
if (info == psb_success_) call psb_halo(xt,map%desc_X,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_X2Y,xt,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_Y)) then
|
|
yta = yt
|
|
call psb_sum(ictxt,yta(1:nr2))
|
|
call yt%set(yta)
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_Y,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
call psb_gefree(xt,map%p_desc_Y,info)
|
|
call psb_gefree(yt,map%p_desc_Y,info)
|
|
|
|
case default
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input', &
|
|
& map_kind, psb_map_aggr_, psb_map_gen_linear_
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
return
|
|
end subroutine psb_d_map_X2Y_vect
|
|
|
|
|
|
!
|
|
! 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_d_map_Y2X(alpha,x,beta,y,map,info,work)
|
|
use psb_base_mod, psb_protect_name => psb_d_map_Y2X
|
|
|
|
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, intent(out) :: info
|
|
real(psb_dpk_), optional :: work(:)
|
|
|
|
!
|
|
real(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 = psb_success_
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(psb_err_unit,*) 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 = map%p_desc_X%get_context()
|
|
nr2 = map%p_desc_X%get_global_rows()
|
|
nc2 = map%p_desc_X%get_local_cols()
|
|
allocate(yt(nc2),stat=info)
|
|
if (info == psb_success_) call psb_halo(x,map%p_desc_Y,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_Y2X,x,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = map%desc_X%get_context()
|
|
nr1 = map%desc_Y%get_local_rows()
|
|
nc1 = map%desc_Y%get_local_cols()
|
|
nr2 = map%desc_X%get_global_rows()
|
|
nc2 = map%desc_X%get_local_cols()
|
|
allocate(xt(nc1),yt(nc2),stat=info)
|
|
xt(1:nr1) = x(1:nr1)
|
|
if (info == psb_success_) call psb_halo(xt,map%desc_Y,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_Y2X,xt,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_X)) then
|
|
call psb_sum(ictxt,yt(1:nr2))
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
|
|
case default
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_d_map_Y2X
|
|
|
|
subroutine psb_d_map_Y2X_vect(alpha,x,beta,y,map,info,work)
|
|
use psb_base_mod, psb_protect_name => psb_d_map_Y2X_vect
|
|
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, intent(out) :: info
|
|
real(psb_dpk_), optional :: work(:)
|
|
!
|
|
type(psb_d_vect_type) :: xt, yt
|
|
real(psb_dpk_), allocatable :: xta(:), yta(:)
|
|
integer :: i, j, nr1, nc1,nr2, nc2,&
|
|
& map_kind, map_data, nr, ictxt
|
|
character(len=20), parameter :: name='psb_map_Y2X'
|
|
|
|
info = psb_success_
|
|
if (.not.psb_is_asb_map(map)) then
|
|
write(psb_err_unit,*) 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 = map%p_desc_X%get_context()
|
|
nr2 = map%p_desc_X%get_global_rows()
|
|
nc2 = map%p_desc_X%get_local_cols()
|
|
call psb_geall(yt,map%p_desc_X,info)
|
|
call psb_geasb(yt,map%p_desc_X,info,mold=y%v)
|
|
if (info == psb_success_) call psb_halo(x,map%p_desc_Y,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_Y2X,x,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%p_desc_X)) then
|
|
yta = yt
|
|
call psb_sum(ictxt,yta(1:nr2))
|
|
call yt%set(yta)
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%p_desc_X,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
call psb_gefree(yt,map%p_desc_Y,info)
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
ictxt = map%desc_X%get_context()
|
|
nr1 = map%desc_Y%get_local_rows()
|
|
nc1 = map%desc_Y%get_local_cols()
|
|
nr2 = map%desc_X%get_global_rows()
|
|
nc2 = map%desc_X%get_local_cols()
|
|
|
|
call psb_geall(xt,map%p_desc_Y,info)
|
|
call psb_geasb(xt,map%p_desc_Y,info,mold=x%v)
|
|
call psb_geall(yt,map%p_desc_X,info)
|
|
call psb_geasb(yt,map%p_desc_X,info,mold=y%v)
|
|
xta = x
|
|
call xt%set(xta(1:nr1))
|
|
|
|
if (info == psb_success_) call psb_halo(xt,map%desc_Y,info,work=work)
|
|
if (info == psb_success_) call psb_csmm(done,map%map_Y2X,xt,dzero,yt,info)
|
|
if ((info == psb_success_) .and. psb_is_repl_desc(map%desc_X)) then
|
|
yta = yt
|
|
call psb_sum(ictxt,yta(1:nr2))
|
|
call yt%set(yta)
|
|
end if
|
|
if (info == psb_success_) call psb_geaxpby(alpha,yt,beta,y,map%desc_X,info)
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Error from inner routines',info
|
|
info = -1
|
|
end if
|
|
|
|
call psb_gefree(xt,map%p_desc_Y,info)
|
|
call psb_gefree(yt,map%p_desc_Y,info)
|
|
|
|
case default
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
|
|
info = 1
|
|
return
|
|
end select
|
|
|
|
end subroutine psb_d_map_Y2X_vect
|
|
|
|
function psb_d_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) result(this)
|
|
|
|
use psb_base_mod, psb_protect_name => psb_d_linmap
|
|
|
|
implicit none
|
|
type(psb_dlinmap_type) :: this
|
|
type(psb_desc_type), target :: desc_X, desc_Y
|
|
type(psb_dspmat_type), intent(in) :: map_X2Y, map_Y2X
|
|
integer, intent(in) :: map_kind
|
|
integer, intent(in), optional :: iaggr(:), naggr(:)
|
|
!
|
|
integer :: info
|
|
character(len=20), parameter :: name='psb_linmap'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
select case(map_kind)
|
|
case (psb_map_aggr_)
|
|
! OK
|
|
|
|
if (psb_is_ok_desc(desc_X)) then
|
|
this%p_desc_X=>desc_X
|
|
else
|
|
info = psb_err_pivot_too_small_
|
|
endif
|
|
if (psb_is_ok_desc(desc_Y)) then
|
|
this%p_desc_Y=>desc_Y
|
|
else
|
|
info = psb_err_invalid_ovr_num_
|
|
endif
|
|
if (present(iaggr)) then
|
|
if (.not.present(naggr)) then
|
|
info = 7
|
|
else
|
|
allocate(this%iaggr(size(iaggr)),&
|
|
& this%naggr(size(naggr)), stat=info)
|
|
if (info == psb_success_) then
|
|
this%iaggr(:) = iaggr(:)
|
|
this%naggr(:) = naggr(:)
|
|
end if
|
|
end if
|
|
else
|
|
allocate(this%iaggr(0), this%naggr(0), stat=info)
|
|
end if
|
|
|
|
case(psb_map_gen_linear_)
|
|
|
|
if (psb_is_ok_desc(desc_X)) then
|
|
call psb_cdcpy(desc_X, this%desc_X,info)
|
|
else
|
|
info = psb_err_pivot_too_small_
|
|
endif
|
|
if (psb_is_ok_desc(desc_Y)) then
|
|
call psb_cdcpy(desc_Y, this%desc_Y,info)
|
|
else
|
|
info = psb_err_invalid_ovr_num_
|
|
endif
|
|
! For a general linear map ignore iaggr,naggr
|
|
allocate(this%iaggr(0), this%naggr(0), stat=info)
|
|
|
|
case default
|
|
write(psb_err_unit,*) 'Bad map kind into psb_linmap ',map_kind
|
|
info = 1
|
|
end select
|
|
|
|
if (info == psb_success_) call psb_clone(map_X2Y,this%map_X2Y,info)
|
|
if (info == psb_success_) call psb_clone(map_Y2X,this%map_Y2X,info)
|
|
if (info == psb_success_) call psb_realloc(psb_itd_data_size_,this%itd_data,info)
|
|
if (info == psb_success_) then
|
|
call psb_set_map_kind(map_kind, this)
|
|
end if
|
|
if (info /= psb_success_) then
|
|
write(psb_err_unit,*) trim(name),' Invalid descriptor input'
|
|
return
|
|
end if
|
|
if (debug) then
|
|
!!$ write(psb_err_unit,*) trim(name),' forward map:',allocated(this%map_X2Y%aspk)
|
|
!!$ write(psb_err_unit,*) trim(name),' backward map:',allocated(this%map_Y2X%aspk)
|
|
end if
|
|
|
|
end function psb_d_linmap
|