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383 lines
12 KiB
Fortran
383 lines
12 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! Subroutine: psb_dinsvi
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! Insert dense submatrix to dense matrix.
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!
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! Parameters:
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! m - integer. Number of rows of submatrix belonging to
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! val to be inserted.
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! irw - integer(:) Row indices of rows of val (global numbering)
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! val - real, pointer, dimension(:). The source dense submatrix.
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! x - real, pointer, dimension(:). The destination dense matrix.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code
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subroutine psb_dinsvi(m, irw, val, x, desc_a, info, dupl)
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!....insert dense submatrix to dense matrix .....
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use psb_descriptor_type
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use psb_const_mod
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use psb_error_mod
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implicit none
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! m rows number of submatrix belonging to val to be inserted
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! ix x global-row corresponding to position at which val submatrix
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! must be inserted
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!....parameters...
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integer, intent(in) :: m
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integer, intent(in) :: irw(:)
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real(kind(1.d0)), intent(in) :: val(:)
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real(kind(1.d0)),pointer :: x(:)
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(out) :: info
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integer, optional, intent(in) :: dupl
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!locals.....
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integer :: icontxt,i,loc_row,glob_row,row,k,&
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& loc_rows,loc_cols,iblock, liflag,mglob,err_act, int_err(5), err
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integer :: nprow,npcol, me ,mypcol,dupl_
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character(len=20) :: name, char_err
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if(psb_get_errstatus().ne.0) return
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info=0
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call psb_erractionsave(err_act)
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name = 'psb_dinsvi'
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if (.not.associated(desc_a%glob_to_loc)) then
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info=3110
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call psb_errpush(info,name)
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return
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end if
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if ((.not.associated(desc_a%matrix_data))) then
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int_err(1)=3110
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call psb_errpush(info,name)
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return
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end if
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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if (nprow.eq.-1) then
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info = 2010
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call psb_errpush(info,name)
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goto 9999
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else if (npcol.ne.1) then
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info = 2030
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int_err(1) = npcol
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call psb_errpush(info,name,int_err)
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goto 9999
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endif
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!... check parameters....
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if (m.lt.0) then
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info = 10
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int_err(1) = 1
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int_err(2) = m
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (.not.psb_is_ok_dec(desc_a%matrix_data(psb_dec_type_))) then
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info = 3110
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int_err(1) = desc_a%matrix_data(psb_dec_type_)
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (size(x, dim=1).lt.desc_a%matrix_data(psb_n_row_)) then
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info = 310
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int_err(1) = 5
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int_err(2) = 4
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call psb_errpush(info,name,int_err)
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goto 9999
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endif
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loc_rows=desc_a%matrix_data(psb_n_row_)
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loc_cols=desc_a%matrix_data(psb_n_col_)
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mglob = desc_a%matrix_data(psb_m_)
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if (present(dupl)) then
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dupl_ = dupl
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else
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dupl_ = psb_dupl_ovwrt_
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endif
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select case(dupl_)
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case(psb_dupl_ovwrt_)
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do i = 1, m
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!loop over all val's rows
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! row actual block row
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glob_row=irw(i)
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if ((glob_row>0).and.(glob_row <= mglob)) then
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loc_row=desc_a%glob_to_loc(glob_row)
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if (loc_row.ge.1) then
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! this row belongs to me
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! copy i-th row of block val in x
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x(loc_row) = val(i)
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end if
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end if
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enddo
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case(psb_dupl_add_)
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do i = 1, m
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!loop over all val's rows
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! row actual block row
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glob_row=irw(i)
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if ((glob_row>0).and.(glob_row <= mglob)) then
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loc_row=desc_a%glob_to_loc(glob_row)
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if (loc_row.ge.1) then
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! this row belongs to me
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! copy i-th row of block val in x
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x(loc_row) = x(loc_row) + val(i)
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end if
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end if
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enddo
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case default
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info = 321
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call psb_errpush(info,name)
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act.eq.act_ret) then
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return
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else
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call psb_error(icontxt)
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end if
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return
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end subroutine psb_dinsvi
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!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 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.
|
|
!!$
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|
!!$
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! Subroutine: psb_dinsi
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|
!
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|
! Parameters:
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|
! m - integer. Number of rows of submatrix belonging to
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|
! val to be inserted.
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! irw - integer(:) Row indices of rows of val (global numbering)
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! val - real, pointer, dimension(:,:). The source dense submatrix.
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! x - real, pointer, dimension(:,:). The destination dense matrix.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code
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subroutine psb_dinsi(m, irw, val, x, desc_a, info, dupl)
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!....insert dense submatrix to dense matrix .....
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use psb_descriptor_type
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use psb_const_mod
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use psb_error_mod
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implicit none
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! m rows number of submatrix belonging to val to be inserted
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! ival first row of submatrix belonging to val to be inserted
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! ix x global-row corresponding to position at which val submatrix
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! must be inserted
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!....parameters...
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integer, intent(in) :: m
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integer, intent(in) :: irw(:)
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real(kind(1.d0)), intent(in) :: val(:,:)
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real(kind(1.d0)),pointer :: x(:,:)
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(out) :: info
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integer, optional, intent(in) :: dupl
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!locals.....
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integer :: icontxt,i,loc_row,glob_row,row,k,j,n,&
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& loc_rows,loc_cols,iblock, liflag,mglob,err_act, int_err(5), err
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integer :: nprow,npcol, me ,mypcol,dupl_
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character(len=20) :: name, char_err
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if(psb_get_errstatus().ne.0) return
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info=0
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call psb_erractionsave(err_act)
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name = 'psb_dinsi'
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if (.not.associated(desc_a%glob_to_loc)) then
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info=3110
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call psb_errpush(info,name)
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return
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end if
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if ((.not.associated(desc_a%matrix_data))) then
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int_err(1)=3110
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call psb_errpush(info,name)
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return
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end if
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icontxt=desc_a%matrix_data(psb_ctxt_)
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! check on blacs grid
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call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol)
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if (nprow.eq.-1) then
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info = 2010
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call psb_errpush(info,name)
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goto 9999
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else if (npcol.ne.1) then
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info = 2030
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int_err(1) = npcol
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call psb_errpush(info,name,int_err)
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goto 9999
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endif
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!... check parameters....
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if (m.lt.0) then
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info = 10
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int_err(1) = 1
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int_err(2) = m
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (.not.psb_is_ok_dec(desc_a%matrix_data(psb_dec_type_))) then
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info = 3110
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int_err(1) = desc_a%matrix_data(psb_dec_type_)
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (size(x, dim=1).lt.desc_a%matrix_data(psb_n_row_)) then
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info = 310
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int_err(1) = 5
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int_err(2) = 4
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call psb_errpush(info,name,int_err)
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goto 9999
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endif
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loc_rows=desc_a%matrix_data(psb_n_row_)
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loc_cols=desc_a%matrix_data(psb_n_col_)
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mglob = desc_a%matrix_data(psb_m_)
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n = min(size(val,2),size(x,2))
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if (present(dupl)) then
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dupl_ = dupl
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else
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dupl_ = psb_dupl_ovwrt_
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endif
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select case(dupl_)
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case(psb_dupl_ovwrt_)
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do i = 1, m
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!loop over all val's rows
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! row actual block row
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glob_row=irw(i)
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if ((glob_row>0).and.(glob_row <= mglob)) then
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loc_row=desc_a%glob_to_loc(glob_row)
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if (loc_row.ge.1) then
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! this row belongs to me
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! copy i-th row of block val in x
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do j=1,n
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x(loc_row,j) = val(i,j)
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end do
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end if
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end if
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enddo
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case(psb_dupl_add_)
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do i = 1, m
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!loop over all val's rows
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! row actual block row
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glob_row=irw(i)
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if ((glob_row>0).and.(glob_row <= mglob)) then
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loc_row=desc_a%glob_to_loc(glob_row)
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if (loc_row.ge.1) then
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! this row belongs to me
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! copy i-th row of block val in x
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do j=1,n
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x(loc_row,j) = x(loc_row,j) + val(i,j)
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end do
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end if
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end if
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enddo
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case default
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info = 321
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call psb_errpush(info,name)
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goto 9999
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act.eq.act_ret) then
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return
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else
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call psb_error(icontxt)
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end if
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return
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end subroutine psb_dinsi
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