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psblas3/base/tools/psb_dins.f90

372 lines
12 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.
!!$
!!$
! Subroutine: psb_dinsvi
! 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(:) - real The source dense submatrix.
! x(:) - real 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_dinsvi(m, irw, val, x, desc_a, info, dupl)
use psb_sparse_mod, psb_protect_name => psb_dinsvi
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, intent(in) :: m
integer, intent(in) :: irw(:)
real(psb_dpk_), intent(in) :: val(:)
real(psb_dpk_), intent(inout) :: x(:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, optional, intent(in) :: dupl
!locals.....
integer :: ictxt,i,&
& loc_rows,loc_cols,mglob,err_act, int_err(5)
integer :: np, me, dupl_
integer, allocatable :: irl(:)
character(len=20) :: name
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
name = 'psb_dinsvi'
if (.not.psb_is_ok_desc(desc_a)) then
int_err(1)=3110
call psb_errpush(info,name)
return
end if
ictxt = psb_cd_get_context(desc_a)
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_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,int_err)
goto 9999
else if (.not.psb_is_ok_desc(desc_a)) then
info = psb_err_input_matrix_unassembled_
int_err(1) = psb_cd_get_dectype(desc_a)
call psb_errpush(info,name,int_err)
goto 9999
else if (size(x, dim=1) < psb_cd_get_local_rows(desc_a)) then
info = 310
int_err(1) = 5
int_err(2) = 4
call psb_errpush(info,name,int_err)
goto 9999
endif
if (m == 0) return
loc_rows = psb_cd_get_local_rows(desc_a)
loc_cols = psb_cd_get_local_cols(desc_a)
mglob = psb_cd_get_global_rows(desc_a)
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
call psi_idx_cnv(m,irw,irl,desc_a,info,owned=.true.)
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 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error(ictxt)
end if
return
end subroutine psb_dinsvi
!!$
!!$ 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.
!!$
!!$
! Subroutine: psb_dinsi
! 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(:,:) - real The source dense submatrix.
! x(:,:) - real 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_dinsi(m, irw, val, x, desc_a, info, dupl)
use psb_sparse_mod, psb_protect_name => psb_dinsi
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, intent(in) :: m
integer, intent(in) :: irw(:)
real(psb_dpk_), intent(in) :: val(:,:)
real(psb_dpk_), intent(inout) :: x(:,:)
type(psb_desc_type), intent(in) :: desc_a
integer, intent(out) :: info
integer, optional, intent(in) :: dupl
!locals.....
integer :: ictxt,i,loc_row,j,n,&
& loc_rows,loc_cols,mglob,err_act, int_err(5)
integer :: np,me,dupl_
integer, allocatable :: irl(:)
character(len=20) :: name
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
name = 'psb_dinsi'
if (.not.psb_is_ok_desc(desc_a)) then
int_err(1)=3110
call psb_errpush(info,name)
return
end if
ictxt = psb_cd_get_context(desc_a)
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_
int_err(1) = 1
int_err(2) = m
call psb_errpush(info,name,int_err)
goto 9999
else if (.not.psb_is_ok_desc(desc_a)) then
info = psb_err_input_matrix_unassembled_
int_err(1) = psb_cd_get_dectype(desc_a)
call psb_errpush(info,name,int_err)
goto 9999
else if (size(x, dim=1) < psb_cd_get_local_rows(desc_a)) then
info = 310
int_err(1) = 5
int_err(2) = 4
call psb_errpush(info,name,int_err)
goto 9999
endif
if (m == 0) return
loc_rows = psb_cd_get_local_rows(desc_a)
loc_cols = psb_cd_get_local_cols(desc_a)
mglob = psb_cd_get_global_rows(desc_a)
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
call psi_idx_cnv(m,irw,irl,desc_a,info,owned=.true.)
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 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_ret_) then
return
else
call psb_error(ictxt)
end if
return
end subroutine psb_dinsi