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395 lines
11 KiB
Fortran
395 lines
11 KiB
Fortran
! File: psb_iins.f90
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!
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! Subroutine: psb_iins
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! Insert dense integer submatrix to dense integer matrix.
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!
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! Parameters:
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! m - integer. Rows number of submatrix belonging to blck to be inserted.
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! n - integer. Cols number of submatrix belonging to blck to be inserted.
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! x - integer, pointer, dimension(:,:). The destination dense matrix.
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! ix - integer. x global-row corresponding to position at which blck submatrix must be inserted.
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! jx - integer. x global-col corresponding to position at which blck submatrix must be inserted.
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! blck - integer, pointer, dimension(:,:). The source dense submatrix.
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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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! iblck - integer(optional). First row of submatrix belonging to blck to be inserted.
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! jblck - integer(optional). First col of submatrix belonging to blck to be inserted.
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subroutine psb_iins(m, n, x, ix, jx, blck, desc_a, info,&
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& iblck, jblck)
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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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!....parameters...
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integer, intent(in) :: m,n
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type(psb_desc_type), intent(in) :: desc_a
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integer, pointer :: x(:,:)
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integer, intent(in) :: ix,jx
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integer, intent(in) :: blck(:,:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iblck,jblck
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!locals.....
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integer :: icontxt,i,loc_row,glob_row,&
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& loc_cols,col,iblock, jblock, mglob
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integer :: nprow,npcol, myrow ,mycol, int_err(5),err_act
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character(len=20) :: name, ch_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_iins'
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if ((.not.associated(desc_a%matrix_data))) 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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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, myrow, mycol)
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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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if (.not.associated(desc_a%glob_to_loc)) then
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info=3110
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call psb_errpush(info,name,int_err)
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goto 9999
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end if
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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 (n.lt.0) then
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info = 10
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int_err(1) = 2
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int_err(2) = n
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (ix.lt.1) then
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info = 20
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int_err(1) = 6
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int_err(2) = ix
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call psb_errpush(info,name,int_err)
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goto 9999
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else if (jx.lt.1) then
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info = 20
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int_err(1) = 7
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int_err(2) = jx
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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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else if (size(x, dim=2).lt.n) then
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! check if dimension of x is greater than dimension of submatrix
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! to insert
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info = 320
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int_err(1) = 2
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int_err(2) = size(x, dim=2)
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int_err(3) = n
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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_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(iblck)) then
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iblock = iblck
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else
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iblock = 1
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endif
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if (present(jblck)) then
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jblock = jblck
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else
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jblock = 1
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endif
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do i = 1, m
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!loop over all blck's rows
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! row actual block row
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glob_row=ix+i-1
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if (glob_row > mglob) exit
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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 blck in x
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do col = 1, n
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x(loc_row,jx+col-1) = blck(iblock+i-1,jblock+col-1)
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enddo
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end if
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enddo
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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_abort) then
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call psb_error(icontxt)
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return
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end if
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return
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end subroutine psb_iins
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! Subroutine: psb_iinsvm
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! Insert dense integer submatrix to dense integer matrix.
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!
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! Parameters:
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! m - integer. Rows number of submatrix belonging to blck to be inserted.
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! x - integer, pointer, dimension(:,:). The destination dense matrix.
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! ix - integer. x global-row corresponding to position at which blck submatrix must be inserted.
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! jx - integer. x global-col corresponding to position at which blck submatrix must be inserted.
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! blck - integer, pointer, dimension(:,:). The source dense submatrix.
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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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! iblck - integer(optional). First row of submatrix belonging to blck to be inserted.
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subroutine psb_iinsvm(m, x, ix, jx, blck, desc_a, info,&
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& iblck)
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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 blck to be inserted
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! iblck first row of submatrix belonging to blck to be inserted
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! ix x global-row corresponding to position at which blck submatrix
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! must be inserted
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! jx x global-col corresponding to position at which blck 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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type(psb_desc_type), intent(in) :: desc_a
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integer, pointer :: x(:,:)
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integer, intent(in) :: ix,jx
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integer, intent(in) :: blck(:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iblck
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!locals.....
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integer :: icontxt,i,loc_row,glob_row,&
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& loc_cols,iblock, jblock,mglob, err_act, int_err(5)
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integer :: nprow,npcol, myrow ,mycol
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character(len=20) :: name, ch_err
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if(psb_get_errstatus().ne.0) return
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info=0
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name = 'psb_iinsvm'
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call psb_erractionsave(err_act)
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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(iblck)) then
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iblock = iblck
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else
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iblock = 1
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endif
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do i = 1, m
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!loop over all blck's rows
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! row actual block row
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glob_row=ix+i-1
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if (glob_row > mglob) exit
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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 blck in x
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x(loc_row,jx) = blck(iblock+i-1)
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end if
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enddo
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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_abort) then
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call psb_error(icontxt)
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return
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end if
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return
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end subroutine psb_iinsvm
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! Subroutine: psb_iinsvv
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! Insert dense integer submatrix to dense integer matrix.
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!
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! Parameters:
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! m - integer. Rows number of submatrix belonging to blck to be inserted.
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! x - integer, pointer, dimension(:,:). The destination dense matrix.
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! ix - integer. x global-row corresponding to position at which blck submatrix must be inserted.
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! blck - integer, pointer, dimension(:,:). The source dense submatrix.
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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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! iblck - integer(optional). First row of submatrix belonging to blck to be inserted.
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subroutine psb_iinsvv(m, x, ix, blck, desc_a, info,&
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& iblck)
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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 blck to be inserted
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! iblck first row of submatrix belonging to blck to be inserted
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! ix x global-row corresponding to position at which blck 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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type(psb_desc_type), intent(in) :: desc_a
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integer, pointer :: x(:)
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integer, intent(in) :: ix
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integer, intent(in) :: blck(:)
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integer, intent(out) :: info
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integer, optional, intent(in) :: iblck
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!locals.....
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integer :: icontxt,i,loc_row,glob_row,k,&
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& loc_rows,loc_cols,col,iblock, jblock, mglob, err_act, int_err(5)
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integer :: nprow,npcol, myrow ,mycol
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character(len=20) :: name, ch_err
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if(psb_get_errstatus().ne.0) return
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info=0
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name = 'psb_iinsvv'
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call psb_erractionsave(err_act)
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if ((.not.associated(desc_a%matrix_data))) 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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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, myrow, mycol)
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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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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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goto 9999
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end if
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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 (ix.lt.1) then
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info = 20
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int_err(1) = 6
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int_err(2) = ix
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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(iblck)) then
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iblock = iblck
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else
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iblock = 1
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endif
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do i = 1, m
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!loop over all blck's rows
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! row actual block row
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glob_row=ix+i-1
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if (glob_row > mglob) exit
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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 blck in x
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x(loc_row) = blck(iblock+i-1)
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end if
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enddo
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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_abort) then
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call psb_error(icontxt)
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return
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end if
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return
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end subroutine psb_iinsvv
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