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psblas3/base/comm/internals/psi_iovrl_upd.f90

324 lines
9.1 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006, 2010, 2015, 2017
! Salvatore Filippone Cranfield University
! 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.
!
!
subroutine psi_iovrl_updr1(x,desc_a,update,info)
use psi_mod, psi_protect_name => psi_iovrl_updr1
implicit none
integer(psb_ipk_), intent(inout), target :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in) :: update
integer(psb_ipk_), intent(out) :: info
! locals
integer(psb_ipk_) :: ictxt, np, me, err_act, i, idx, ndm
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psi_iovrl_updr1'
if (psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
! switch on update type
select case (update)
case(psb_square_root_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
x(idx) = x(idx)/sqrt(real(ndm))
end do
case(psb_avg_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
x(idx) = x(idx)/real(ndm)
end do
case(psb_setzero_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
if (me /= desc_a%ovrlap_elem(i,3))&
& x(idx) = izero
end do
case(psb_sum_)
! do nothing
case default
! wrong value for choice argument
info = psb_err_iarg_invalid_value_
ierr(1) = 3; ierr(2)=update;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psi_iovrl_updr1
subroutine psi_iovrl_updr2(x,desc_a,update,info)
use psi_mod, psi_protect_name => psi_iovrl_updr2
implicit none
integer(psb_ipk_), intent(inout), target :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in) :: update
integer(psb_ipk_), intent(out) :: info
! locals
integer(psb_ipk_) :: ictxt, np, me, err_act, i, idx, ndm
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psi_iovrl_updr2'
if (psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
! switch on update type
select case (update)
case(psb_square_root_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
x(idx,:) = x(idx,:)/sqrt(real(ndm))
end do
case(psb_avg_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
ndm = desc_a%ovrlap_elem(i,2)
x(idx,:) = x(idx,:)/real(ndm)
end do
case(psb_setzero_)
do i=1,size(desc_a%ovrlap_elem,1)
idx = desc_a%ovrlap_elem(i,1)
if (me /= desc_a%ovrlap_elem(i,3))&
& x(idx,:) = izero
end do
case(psb_sum_)
! do nothing
case default
! wrong value for choice argument
info = psb_err_iarg_invalid_value_
ierr(1) = 3; ierr(2)=update;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end select
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psi_iovrl_updr2
subroutine psi_iovrl_upd_vect(x,desc_a,update,info)
use psi_mod, psi_protect_name => psi_iovrl_upd_vect
use psb_realloc_mod
use psb_i_base_vect_mod
implicit none
class(psb_i_base_vect_type) :: x
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in) :: update
integer(psb_ipk_), intent(out) :: info
! locals
integer(psb_ipk_), allocatable :: xs(:)
integer(psb_ipk_) :: ictxt, np, me, err_act, i, idx, ndm, nx
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psi_iovrl_updr1'
if (psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
nx = size(desc_a%ovrlap_elem,1)
call psb_realloc(nx,xs,info)
if (info /= psb_success_) then
info = psb_err_alloc_Dealloc_
call psb_errpush(info,name)
goto 9999
end if
if (update /= psb_sum_) then
call x%gth(nx,desc_a%ovrlap_elem(:,1),xs)
! switch on update type
select case (update)
case(psb_square_root_)
do i=1,nx
ndm = desc_a%ovrlap_elem(i,2)
xs(i) = xs(i)/sqrt(real(ndm))
end do
case(psb_avg_)
do i=1,nx
ndm = desc_a%ovrlap_elem(i,2)
xs(i) = xs(i)/real(ndm)
end do
case(psb_setzero_)
do i=1,nx
if (me /= desc_a%ovrlap_elem(i,3))&
& xs(i) = izero
end do
case(psb_sum_)
! do nothing
case default
! wrong value for choice argument
info = psb_err_iarg_invalid_value_
ierr(1) = 3; ierr(2)=update;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end select
call x%sct(nx,desc_a%ovrlap_elem(:,1),xs,izero)
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psi_iovrl_upd_vect
subroutine psi_iovrl_upd_multivect(x,desc_a,update,info)
use psi_mod, psi_protect_name => psi_iovrl_upd_multivect
use psb_realloc_mod
use psb_i_base_vect_mod
implicit none
class(psb_i_base_multivect_type) :: x
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(in) :: update
integer(psb_ipk_), intent(out) :: info
! locals
integer(psb_ipk_), allocatable :: xs(:,:)
integer(psb_ipk_) :: ictxt, np, me, err_act, i, idx, ndm, nx, nc
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psi_iovrl_updr1'
if (psb_get_errstatus() /= 0) return
info = psb_success_
call psb_erractionsave(err_act)
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (np == -1) then
info = psb_err_context_error_
call psb_errpush(info,name)
goto 9999
endif
nx = size(desc_a%ovrlap_elem,1)
nc = x%get_ncols()
call psb_realloc(nx,nc,xs,info)
if (info /= psb_success_) then
info = psb_err_alloc_Dealloc_
call psb_errpush(info,name)
goto 9999
end if
if (update /= psb_sum_) then
call x%gth(nx,desc_a%ovrlap_elem(:,1),xs)
! switch on update type
select case (update)
case(psb_square_root_)
do i=1,nx
ndm = desc_a%ovrlap_elem(i,2)
xs(i,:) = xs(i,:)/sqrt(real(ndm))
end do
case(psb_avg_)
do i=1,nx
ndm = desc_a%ovrlap_elem(i,2)
xs(i,:) = xs(i,:)/real(ndm)
end do
case(psb_setzero_)
do i=1,nx
if (me /= desc_a%ovrlap_elem(i,3))&
& xs(i,:) = izero
end do
case(psb_sum_)
! do nothing
case default
! wrong value for choice argument
info = psb_err_iarg_invalid_value_
ierr(1) = 3; ierr(2)=update;
call psb_errpush(info,name,i_err=ierr)
goto 9999
end select
call x%sct(nx,desc_a%ovrlap_elem(:,1),xs,izero)
end if
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psi_iovrl_upd_multivect