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psblas3/base/tools/psb_linmap.f90

346 lines
11 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ 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.
!!$
!!$
function psb_c_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) result(this)
use psb_sparse_mod, psb_protect_name => psb_c_linmap
implicit none
type(psb_clinmap_type) :: this
type(psb_desc_type), target :: desc_X, desc_Y
type(psb_c_sparse_mat), 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'
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(0,*) '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(0,*) trim(name),' Invalid descriptor input'
return
end if
end function psb_c_linmap
function psb_d_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) result(this)
use psb_sparse_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_d_sparse_mat), 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(0,*) '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(0,*) trim(name),' Invalid descriptor input'
return
end if
if (debug) then
!!$ write(0,*) trim(name),' forward map:',allocated(this%map_X2Y%aspk)
!!$ write(0,*) trim(name),' backward map:',allocated(this%map_Y2X%aspk)
end if
end function psb_d_linmap
function psb_s_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) result(this)
use psb_sparse_mod, psb_protect_name => psb_s_linmap
implicit none
type(psb_slinmap_type) :: this
type(psb_desc_type), target :: desc_X, desc_Y
type(psb_s_sparse_mat), 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'
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(0,*) '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(0,*) trim(name),' Invalid descriptor input'
return
end if
end function psb_s_linmap
function psb_z_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr) result(this)
use psb_sparse_mod, psb_protect_name => psb_z_linmap
implicit none
type(psb_zlinmap_type) :: this
type(psb_desc_type), target :: desc_X, desc_Y
type(psb_z_sparse_mat), 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'
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(0,*) '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(0,*) trim(name),' Invalid descriptor input'
return
end if
end function psb_z_linmap