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psblas3/base/tools/psb_eins_a.f90

370 lines
12 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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: psb_einsvi
! Insert dense submatrix to dense matrix. Note: the row indices in IRW
! are assumed to be in global numbering and are converted on the fly.
! Row indices not belonging to the current process are silently discarded.
!
! Arguments:
! m - integer. Number of rows of submatrix belonging to
! val to be inserted.
! irw(:) - integer Row indices of rows of val (global numbering)
! val(:) - integer The source dense submatrix.
! x(:) - integer The destination dense matrix.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. return code
! dupl - integer What to do with duplicates:
! psb_dupl_ovwrt_ overwrite
! psb_dupl_add_ add
subroutine psb_einsvi(m, irw, val, x, desc_a, info, dupl,local)
use psb_base_mod, psb_protect_name => psb_einsvi
use psi_mod
implicit none
! m rows number of submatrix belonging to val to be inserted
! ix x global-row corresponding to position at which val submatrix
! must be inserted
!....parameters...
integer(psb_ipk_), intent(in) :: m
integer(psb_lpk_), intent(in) :: irw(:)
integer(psb_epk_), intent(in) :: val(:)
integer(psb_epk_),intent(inout) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: dupl
logical, intent(in), optional :: local
!locals.....
integer(psb_ipk_) :: i, loc_rows,loc_cols,err_act
integer(psb_lpk_) :: mglob
type(psb_ctxt_type) :: ictxt
integer(psb_ipk_) :: np, me, dupl_
integer(psb_ipk_), allocatable :: irl(:)
logical :: local_
character(len=20) :: name
name = 'psb_einsvi'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (.not.desc_a%is_ok()) then
info = psb_err_invalid_cd_state_
call psb_errpush(info,name)
return
end if
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
!... check parameters....
if (m < 0) then
info = psb_err_iarg_neg_
call psb_errpush(info,name,i_err=(/ione,m/))
goto 9999
else if (size(x, dim=1) < desc_a%get_local_rows()) then
info = 310
call psb_errpush(info,name,i_err=(/5_psb_ipk_,4_psb_ipk_/))
goto 9999
endif
if (m == 0) return
loc_rows = desc_a%get_local_rows()
loc_cols = desc_a%get_local_cols()
mglob = desc_a%get_global_rows()
allocate(irl(m),stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
if (present(dupl)) then
dupl_ = dupl
else
dupl_ = psb_dupl_ovwrt_
endif
if (present(local)) then
local_ = local
else
local_ = .false.
endif
if (local_) then
irl(1:m) = irw(1:m)
else
call desc_a%indxmap%g2l(irw(1:m),irl(1:m),info,owned=.true.)
end if
select case(dupl_)
case(psb_dupl_ovwrt_)
do i = 1, m
!loop over all val's rows
! row actual block row
if (irl(i) > 0) then
! this row belongs to me
! copy i-th row of block val in x
x(irl(i)) = val(i)
end if
enddo
case(psb_dupl_add_)
do i = 1, m
!loop over all val's rows
if (irl(i) > 0) then
! this row belongs to me
! copy i-th row of block val in x
x(irl(i)) = x(irl(i)) + val(i)
end if
enddo
case default
info = 321
call psb_errpush(info,name)
goto 9999
end select
deallocate(irl)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psb_einsvi
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari
!!$
!!$ 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: psb_einsi
! Insert dense submatrix to dense matrix. Note: the row indices in IRW
! are assumed to be in global numbering and are converted on the fly.
! Row indices not belonging to the current process are silently discarded.
!
! Arguments:
! m - integer. Number of rows of submatrix belonging to
! val to be inserted.
! irw(:) - integer Row indices of rows of val (global numbering)
! val(:,:) - integer The source dense submatrix.
! x(:,:) - integer The destination dense matrix.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. return code
! dupl - integer What to do with duplicates:
! psb_dupl_ovwrt_ overwrite
! psb_dupl_add_ add
subroutine psb_einsi(m, irw, val, x, desc_a, info, dupl,local)
use psb_base_mod, psb_protect_name => psb_einsi
use psi_mod
implicit none
! m rows number of submatrix belonging to val to be inserted
! ix x global-row corresponding to position at which val submatrix
! must be inserted
!....parameters...
integer(psb_ipk_), intent(in) :: m
integer(psb_lpk_), intent(in) :: irw(:)
integer(psb_epk_), intent(in) :: val(:,:)
integer(psb_epk_),intent(inout) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_), optional, intent(in) :: dupl
logical, intent(in), optional :: local
!locals.....
integer(psb_ipk_) :: i,loc_row,j,n, loc_rows,loc_cols,err_act
integer(psb_lpk_) :: mglob
type(psb_ctxt_type) :: ictxt
integer(psb_ipk_) :: np,me,dupl_
integer(psb_ipk_), allocatable :: irl(:)
logical :: local_
character(len=20) :: name
name = 'psb_einsi'
info = psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (.not.desc_a%is_ok()) then
info = psb_err_invalid_cd_state_
call psb_errpush(info,name)
return
end if
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
!... check parameters....
if (m < 0) then
info = psb_err_iarg_neg_
call psb_errpush(info,name,i_err=(/ione,m/))
goto 9999
else if (size(x, dim=1) < desc_a%get_local_rows()) then
info = 310
call psb_errpush(info,name,i_err=(/5_psb_ipk_,4_psb_ipk_/))
goto 9999
endif
if (m == 0) return
loc_rows = desc_a%get_local_rows()
loc_cols = desc_a%get_local_cols()
mglob = desc_a%get_global_rows()
n = min(size(val,2),size(x,2))
if (present(dupl)) then
dupl_ = dupl
else
dupl_ = psb_dupl_ovwrt_
endif
allocate(irl(m),stat=info)
if (info /= psb_success_) then
info = psb_err_alloc_dealloc_
call psb_errpush(info,name)
goto 9999
endif
if (present(local)) then
local_ = local
else
local_ = .false.
endif
if (local_) then
irl(1:m) = irw(1:m)
else
call desc_a%indxmap%g2l(irw(1:m),irl(1:m),info,owned=.true.)
end if
select case(dupl_)
case(psb_dupl_ovwrt_)
do i = 1, m
!loop over all val's rows
! row actual block row
loc_row = irl(i)
if (loc_row > 0) then
! this row belongs to me
! copy i-th row of block val in x
do j=1,n
x(loc_row,j) = val(i,j)
end do
end if
enddo
case(psb_dupl_add_)
do i = 1, m
!loop over all val's rows
! row actual block row
loc_row = irl(i)
if (loc_row > 0) then
! this row belongs to me
! copy i-th row of block val in x
do j=1,n
x(loc_row,j) = x(loc_row,j) + val(i,j)
end do
end if
enddo
case default
info = 321
call psb_errpush(info,name)
goto 9999
end select
deallocate(irl)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ictxt,err_act)
return
end subroutine psb_einsi