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2790 lines
65 KiB
Fortran
2790 lines
65 KiB
Fortran
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! == ===================================
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!
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!
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!
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! Computational routines
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!
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!
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!
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!
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!
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!
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! == ===================================
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subroutine psb_d_elg_csmv(alpha,a,x,beta,y,info,trans)
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use psb_sparse_mod
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#ifdef HAVE_ELL_GPU
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use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csmv
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use elldev_mod
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#else
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use psb_d_elg_mat_mod
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#endif
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use iso_c_binding
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implicit none
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class(psb_d_elg_sparse_mat), intent(in) :: a
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real(psb_dpk_), intent(in) :: alpha, beta, x(:)
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real(psb_dpk_), intent(inout) :: y(:)
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integer, intent(out) :: info
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character, optional, intent(in) :: trans
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character :: trans_
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integer :: i,j,k,m,n, nnz, ir, jc
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real(psb_dpk_) :: acc
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type(c_ptr) :: gpX, gpY
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logical :: tra
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Integer :: err_act
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character(len=20) :: name='d_elg_csmv'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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info = psb_success_
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if (present(trans)) then
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trans_ = trans
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else
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trans_ = 'N'
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end if
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if (.not.a%is_asb()) then
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
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if (tra) then
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m = a%get_ncols()
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n = a%get_nrows()
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else
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n = a%get_ncols()
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m = a%get_nrows()
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end if
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if (size(x,1)<n) then
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info = 36
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call psb_errpush(info,name,i_err=(/3,n,0,0,0/))
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goto 9999
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end if
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if (size(y,1)<m) then
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info = 36
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call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
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goto 9999
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end if
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#ifdef HAVE_ELL_GPU
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!
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! Just to test, move X/Y to/from the GPU.
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!
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if (info == 0) &
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& info = allocVecDevice(gpX,size(x),elldev_double)
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if (info == 0) &
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& info = writeVecDevice(gpX,x)
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if (info == 0) &
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& info = allocVecDevice(gpY,size(y),elldev_double)
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if (info == 0) &
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& info = writeVecDevice(gpY,y)
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if (info == 0) &
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& info = spmvEllDevice(a%deviceMat,alpha,gpX,beta,gpY)
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call freeVecDevice(gpX)
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call freeVecDevice(gpY)
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#else
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call a%psb_d_ell_sparse_mat%d_csmv(alpha,x,beta,y,info,trans)
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#endif
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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 == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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end subroutine psb_d_elg_csmv
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#if 0
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subroutine psb_d_elg_csmm(alpha,a,x,beta,y,info,trans)
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use psb_sparse_mod
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use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csmm
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implicit none
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class(psb_d_elg_sparse_mat), intent(in) :: a
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real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
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real(psb_dpk_), intent(inout) :: y(:,:)
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integer, intent(out) :: info
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character, optional, intent(in) :: trans
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character :: trans_
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integer :: i,j,k,m,n, nnz, ir, jc, nxy
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real(psb_dpk_), allocatable :: acc(:)
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logical :: tra
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Integer :: err_act
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character(len=20) :: name='d_elg_csmm'
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logical, parameter :: debug=.false.
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info = psb_success_
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call psb_erractionsave(err_act)
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if (present(trans)) then
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trans_ = trans
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else
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trans_ = 'N'
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end if
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if (.not.a%is_asb()) then
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info = psb_err_invalid_mat_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
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if (tra) then
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m = a%get_ncols()
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n = a%get_nrows()
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else
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n = a%get_ncols()
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m = a%get_nrows()
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end if
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if (size(x,1)<n) then
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info = 36
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call psb_errpush(info,name,i_err=(/3,n,0,0,0/))
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goto 9999
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end if
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if (size(y,1)<m) then
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info = 36
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call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
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goto 9999
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end if
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nxy = min(size(x,2) , size(y,2) )
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allocate(acc(nxy), stat=info)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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call psb_errpush(info,name,a_err='allocate')
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goto 9999
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end if
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call psb_d_elg_csmm_inner(m,n,nxy,alpha,size(a%ja,2),&
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& a%ja,size(a%ja,1),a%val,size(a%val,1), &
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& a%is_triangle(),a%is_unit(),x,size(x,1), &
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& beta,y,size(y,1),tra,acc)
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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 == psb_act_abort_) then
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call psb_error()
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return
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end if
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return
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contains
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subroutine psb_d_elg_csmm_inner(m,n,nxy,alpha,nc,ja,ldj,val,ldv,&
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& is_triangle,is_unit,x,ldx,beta,y,ldy,tra,acc)
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integer, intent(in) :: m,n,ldx,ldy,nxy,nc,ldj,ldv
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integer, intent(in) :: ja(ldj,*)
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real(psb_dpk_), intent(in) :: alpha, beta, x(ldx,*),val(ldv,*)
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real(psb_dpk_), intent(inout) :: y(ldy,*)
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logical, intent(in) :: is_triangle,is_unit,tra
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real(psb_dpk_), intent(inout) :: acc(*)
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integer :: i,j,k, ir, jc
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if (alpha == dzero) then
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if (beta == dzero) then
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do i = 1, m
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y(i,1:nxy) = dzero
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enddo
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else
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do i = 1, m
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y(i,1:nxy) = beta*y(i,1:nxy)
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end do
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endif
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return
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end if
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if (.not.tra) then
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if (beta == dzero) then
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if (alpha == done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = acc(1:nxy)
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end do
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else if (alpha == -done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) - val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = acc(1:nxy)
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end do
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else
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = alpha*acc(1:nxy)
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end do
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end if
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else if (beta == done) then
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if (alpha == done) then
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do i=1,m
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acc(1:nxy) = y(i,1:nxy)
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = acc(1:nxy)
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end do
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else if (alpha == -done) then
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do i=1,m
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acc(1:nxy) = y(i,1:nxy)
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) - val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = acc(1:nxy)
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end do
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else
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = y(i,1:nxy) + alpha*acc(1:nxy)
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end do
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end if
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else if (beta == -done) then
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if (alpha == done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = -y(i,1:nxy) + acc(1:nxy)
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end do
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else if (alpha == -done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = -y(i,1:nxy) -acc(1:nxy)
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end do
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else
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = -y(i,1:nxy) + alpha*acc(1:nxy)
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end do
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end if
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|
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else
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if (alpha == done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = beta*y(i,1:nxy) + acc(1:nxy)
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end do
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|
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else if (alpha == -done) then
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = beta*y(i,1:nxy) - acc(1:nxy)
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end do
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|
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else
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|
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do i=1,m
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acc(1:nxy) = dzero
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do j=1,nc
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acc(1:nxy) = acc(1:nxy) + val(i,j) * x(ja(i,j),1:nxy)
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enddo
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y(i,1:nxy) = beta*y(i,1:nxy) + alpha*acc(1:nxy)
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end do
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|
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end if
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|
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end if
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|
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else if (tra) then
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|
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if (beta == dzero) then
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do i=1, m
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y(i,1:nxy) = dzero
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end do
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else if (beta == done) then
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! Do nothing
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else if (beta == -done) then
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do i=1, m
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y(i,1:nxy) = -y(i,1:nxy)
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end do
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else
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do i=1, m
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y(i,1:nxy) = beta*y(i,1:nxy)
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end do
|
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end if
|
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|
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if (alpha == done) then
|
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|
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do i=1,n
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do j=1,nc
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ir = ja(i,j)
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y(ir,1:nxy) = y(ir,1:nxy) + val(i,j)*x(i,1:nxy)
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end do
|
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enddo
|
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|
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else if (alpha == -done) then
|
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|
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do i=1,n
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do j=1,nc
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ir = ja(i,j)
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y(ir,1:nxy) = y(ir,1:nxy) - val(i,j)*x(i,1:nxy)
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end do
|
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enddo
|
|
|
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else
|
|
|
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do i=1,n
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do j=1,nc
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ir = ja(i,j)
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y(ir,1:nxy) = y(ir,1:nxy) + alpha*val(i,j)*x(i,1:nxy)
|
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end do
|
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enddo
|
|
|
|
end if
|
|
|
|
endif
|
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|
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if (is_triangle.and.is_unit) then
|
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do i=1, min(m,n)
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y(i,1:nxy) = y(i,1:nxy) + alpha*x(i,1:nxy)
|
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end do
|
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end if
|
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|
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end subroutine psb_d_elg_csmm_inner
|
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|
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end subroutine psb_d_elg_csmm
|
|
|
|
|
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subroutine psb_d_elg_cssv(alpha,a,x,beta,y,info,trans)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cssv
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(in) :: alpha, beta, x(:)
|
|
real(psb_dpk_), intent(inout) :: y(:)
|
|
integer, intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
|
|
character :: trans_
|
|
integer :: i,j,k,m,n, nnz, ir, jc
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: tmp(:)
|
|
logical :: tra
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_elg_cssv'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
if (present(trans)) then
|
|
trans_ = trans
|
|
else
|
|
trans_ = 'N'
|
|
end if
|
|
if (.not.a%is_asb()) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
|
|
m = a%get_nrows()
|
|
|
|
if (.not. (a%is_triangle())) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(x)<m) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/3,m,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(y)<m) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
if (alpha == dzero) then
|
|
if (beta == dzero) then
|
|
do i = 1, m
|
|
y(i) = dzero
|
|
enddo
|
|
else
|
|
do i = 1, m
|
|
y(i) = beta*y(i)
|
|
end do
|
|
endif
|
|
return
|
|
end if
|
|
|
|
if (beta == dzero) then
|
|
|
|
call inner_elgsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
|
|
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
|
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& x,y,info)
|
|
|
|
if (info /= 0) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (alpha == done) then
|
|
! do nothing
|
|
else if (alpha == -done) then
|
|
do i = 1, m
|
|
y(i) = -y(i)
|
|
end do
|
|
else
|
|
do i = 1, m
|
|
y(i) = alpha*y(i)
|
|
end do
|
|
end if
|
|
else
|
|
allocate(tmp(m), stat=info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
call inner_elgsv(tra,a%is_lower(),a%is_unit(),a%get_nrows(),&
|
|
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
|
|
& x,tmp,info)
|
|
|
|
if (info == 0) &
|
|
& call psb_geaxpby(m,alpha,tmp,beta,y,info)
|
|
|
|
if (info /= 0) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
contains
|
|
|
|
subroutine inner_elgsv(tra,lower,unit,n,nc,irn,idiag,ja,ldj,val,ldv,x,y,info)
|
|
implicit none
|
|
logical, intent(in) :: tra,lower,unit
|
|
integer, intent(in) :: n,nc,ldj,ldv
|
|
integer, intent(in) :: irn(*),idiag(*), ja(ldj,*)
|
|
real(psb_dpk_), intent(in) :: val(ldv,*)
|
|
real(psb_dpk_), intent(in) :: x(*)
|
|
real(psb_dpk_), intent(out) :: y(*)
|
|
integer, intent(out) :: info
|
|
|
|
integer :: i,j,k,m, ir, jc
|
|
real(psb_dpk_) :: acc
|
|
|
|
!
|
|
! The only error condition here is if
|
|
! the matrix is non-unit and some idiag value is illegal.
|
|
!
|
|
info = 0
|
|
if (.not.tra) then
|
|
|
|
if (lower) then
|
|
|
|
if (unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=1,irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j))
|
|
end do
|
|
y(i) = x(i) - acc
|
|
end do
|
|
else if (.not.unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=1,idiag(i)-1
|
|
acc = acc + val(i,j)*y(ja(i,j))
|
|
end do
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i) = (x(i) - acc)/val(i,idiag(i))
|
|
end do
|
|
end if
|
|
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=1,irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j))
|
|
end do
|
|
y(i) = x(i) - acc
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=idiag(i)+1, irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j))
|
|
end do
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i) = (x(i) - acc)/val(i,idiag(i))
|
|
end do
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (tra) then
|
|
|
|
do i=1, n
|
|
y(i) = x(i)
|
|
end do
|
|
|
|
if (lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = y(i)
|
|
|
|
do j=1,irn(i)
|
|
jc = ja(i,j)
|
|
y(jc) = y(jc) - val(i,j)*acc
|
|
end do
|
|
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=n, 1, -1
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i) = y(i)/val(i,idiag(i))
|
|
acc = y(i)
|
|
do j=1,idiag(i)
|
|
jc = ja(i,j)
|
|
y(jc) = y(jc) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
end if
|
|
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=1, n
|
|
acc = y(i)
|
|
do j=1, irn(i)
|
|
jc = ja(i,j)
|
|
y(jc) = y(jc) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=1, n
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i) = y(i)/val(i,idiag(i))
|
|
acc = y(i)
|
|
do j=idiag(i)+1, irn(i)
|
|
jc = ja(i,j)
|
|
y(jc) = y(jc) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
end if
|
|
|
|
end if
|
|
end if
|
|
end subroutine inner_elgsv
|
|
|
|
end subroutine psb_d_elg_cssv
|
|
|
|
|
|
|
|
subroutine psb_d_elg_cssm(alpha,a,x,beta,y,info,trans)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cssm
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(in) :: alpha, beta, x(:,:)
|
|
real(psb_dpk_), intent(inout) :: y(:,:)
|
|
integer, intent(out) :: info
|
|
character, optional, intent(in) :: trans
|
|
|
|
character :: trans_
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nxy
|
|
real(psb_dpk_), allocatable :: tmp(:,:), acc(:)
|
|
logical :: tra
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_elg_cssm'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
if (present(trans)) then
|
|
trans_ = trans
|
|
else
|
|
trans_ = 'N'
|
|
end if
|
|
if (.not.a%is_asb()) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
tra = (psb_toupper(trans_) == 'T').or.(psb_toupper(trans_)=='C')
|
|
m = a%get_nrows()
|
|
|
|
if (.not. (a%is_triangle())) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(x,1)<m) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/3,m,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(y,1)<m) then
|
|
info = 36
|
|
call psb_errpush(info,name,i_err=(/5,m,0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
nxy = min(size(x,2),size(y,2))
|
|
|
|
if (alpha == dzero) then
|
|
if (beta == dzero) then
|
|
do i = 1, m
|
|
y(i,:) = dzero
|
|
enddo
|
|
else
|
|
do i = 1, m
|
|
y(i,:) = beta*y(i,:)
|
|
end do
|
|
endif
|
|
return
|
|
end if
|
|
|
|
if (beta == dzero) then
|
|
allocate(acc(nxy), stat=info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
call inner_elgsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nxy,&
|
|
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
|
|
& x,size(x,1),y,size(y,1),acc,info)
|
|
|
|
if (info /= 0) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
if (alpha == done) then
|
|
! do nothing
|
|
else if (alpha == -done) then
|
|
do i = 1, m
|
|
y(i,:) = -y(i,:)
|
|
end do
|
|
else
|
|
do i = 1, m
|
|
y(i,:) = alpha*y(i,:)
|
|
end do
|
|
end if
|
|
else
|
|
allocate(tmp(m,nxy),acc(nxy), stat=info)
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
call inner_elgsm(tra,a%is_lower(),a%is_unit(),a%get_nrows(),nxy,&
|
|
& size(a%ja,2),a%irn,a%idiag,a%ja,size(a%ja,1),a%val,size(a%val,1),&
|
|
& x,size(x,1),tmp,size(tmp,1),acc,info)
|
|
|
|
if (info == 0) &
|
|
& call psb_geaxpby(m,nxy,alpha,tmp,beta,y,info)
|
|
|
|
if (info /= 0) then
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
endif
|
|
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
contains
|
|
|
|
subroutine inner_elgsm(tra,lower,unit,n,nc,nxy,irn,idiag,ja,ldj,val,ldv,&
|
|
& x,ldx,y,ldy,acc,info)
|
|
implicit none
|
|
logical, intent(in) :: tra,lower,unit
|
|
integer, intent(in) :: n,nc,ldj,ldv,nxy,ldx,ldy
|
|
integer, intent(in) :: irn(*),idiag(*), ja(ldj,*)
|
|
real(psb_dpk_), intent(in) :: val(ldv,*)
|
|
real(psb_dpk_), intent(in) :: x(ldx,nxy)
|
|
real(psb_dpk_), intent(out) :: y(ldy,nxy), acc(nxy)
|
|
integer, intent(out) :: info
|
|
|
|
integer :: i,j,k,m, ir, jc
|
|
|
|
!
|
|
! The only error condition here is if
|
|
! the matrix is non-unit and some idiag value is illegal.
|
|
!
|
|
info = 0
|
|
|
|
if (.not.tra) then
|
|
|
|
if (lower) then
|
|
|
|
if (unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=1,irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j),:)
|
|
end do
|
|
y(i,:) = x(i,:) - acc
|
|
end do
|
|
else if (.not.unit) then
|
|
do i=1, n
|
|
acc = dzero
|
|
do j=1,idiag(i)-1
|
|
acc = acc + val(i,j)*y(ja(i,j),:)
|
|
end do
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i,:) = (x(i,:) - acc)/val(i,idiag(i))
|
|
end do
|
|
end if
|
|
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=1,irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j),:)
|
|
end do
|
|
y(i,:) = x(i,:) - acc
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = dzero
|
|
do j=idiag(i)+1, irn(i)
|
|
acc = acc + val(i,j)*y(ja(i,j),:)
|
|
end do
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i,:) = (x(i,:) - acc)/val(i,idiag(i))
|
|
end do
|
|
|
|
end if
|
|
|
|
end if
|
|
|
|
else if (tra) then
|
|
|
|
do i=1, n
|
|
y(i,:) = x(i,:)
|
|
end do
|
|
|
|
if (lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=n, 1, -1
|
|
acc = y(i,:)
|
|
do j=1,irn(i)
|
|
jc = ja(i,j)
|
|
y(jc,:) = y(jc,:) - val(i,j)*acc
|
|
end do
|
|
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=n, 1, -1
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i,:) = y(i,:)/val(i,idiag(i))
|
|
acc = y(i,:)
|
|
do j=1,idiag(i)
|
|
jc = ja(i,j)
|
|
y(jc,:) = y(jc,:) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
end if
|
|
|
|
else if (.not.lower) then
|
|
|
|
if (unit) then
|
|
|
|
do i=1, n
|
|
acc = y(i,:)
|
|
do j=1, irn(i)
|
|
jc = ja(i,j)
|
|
y(jc,:) = y(jc,:) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
else if (.not.unit) then
|
|
|
|
do i=1, n
|
|
if (idiag(i) <= 0) then
|
|
info = -1
|
|
return
|
|
endif
|
|
y(i,:) = y(i,:)/val(i,idiag(i))
|
|
acc = y(i,:)
|
|
do j=idiag(i)+1, irn(i)
|
|
jc = ja(i,j)
|
|
y(jc,:) = y(jc,:) - val(i,j)*acc
|
|
end do
|
|
end do
|
|
|
|
end if
|
|
|
|
end if
|
|
end if
|
|
end subroutine inner_elgsm
|
|
|
|
end subroutine psb_d_elg_cssm
|
|
|
|
|
|
function psb_d_elg_csnmi(a) result(res)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csnmi
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_) :: res
|
|
|
|
integer :: i,j,k,m,n, nr, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
logical :: tra
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_csnmi'
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
res = dzero
|
|
|
|
do i = 1, a%get_nrows()
|
|
acc = sum(abs(a%val(i,:)))
|
|
res = max(res,acc)
|
|
end do
|
|
|
|
end function psb_d_elg_csnmi
|
|
|
|
|
|
function psb_d_elg_csnm1(a) result(res)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csnm1
|
|
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_) :: res
|
|
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nc, info
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: vt(:)
|
|
logical :: tra
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_elg_csnm1'
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
res = -done
|
|
nnz = a%get_nzeros()
|
|
m = a%get_nrows()
|
|
n = a%get_ncols()
|
|
allocate(vt(n),stat=info)
|
|
if (info /= 0) return
|
|
vt(:) = dzero
|
|
do i=1, m
|
|
do j=1,a%irn(i)
|
|
k = a%ja(i,j)
|
|
vt(k) = vt(k) + abs(a%val(i,j))
|
|
end do
|
|
end do
|
|
res = maxval(vt(1:n))
|
|
deallocate(vt,stat=info)
|
|
|
|
return
|
|
|
|
end function psb_d_elg_csnm1
|
|
|
|
|
|
subroutine psb_d_elg_rowsum(d,a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_rowsum
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(out) :: d(:)
|
|
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: vt(:)
|
|
logical :: tra
|
|
Integer :: err_act, info, int_err(5)
|
|
character(len=20) :: name='rowsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
m = a%get_nrows()
|
|
if (size(d) < m) then
|
|
info=psb_err_input_asize_small_i_
|
|
int_err(1) = 1
|
|
int_err(2) = size(d)
|
|
int_err(3) = m
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
do i = 1, a%get_nrows()
|
|
d(i) = dzero
|
|
do j=1,a%irn(i)
|
|
d(i) = d(i) + (a%val(i,j))
|
|
end do
|
|
end do
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_rowsum
|
|
|
|
subroutine psb_d_elg_arwsum(d,a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_arwsum
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(out) :: d(:)
|
|
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: vt(:)
|
|
logical :: tra
|
|
Integer :: err_act, info, int_err(5)
|
|
character(len=20) :: name='rowsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
m = a%get_nrows()
|
|
if (size(d) < m) then
|
|
info=psb_err_input_asize_small_i_
|
|
int_err(1) = 1
|
|
int_err(2) = size(d)
|
|
int_err(3) = m
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
do i = 1, a%get_nrows()
|
|
d(i) = dzero
|
|
do j=1,a%irn(i)
|
|
d(i) = d(i) + abs(a%val(i,j))
|
|
end do
|
|
end do
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_arwsum
|
|
|
|
subroutine psb_d_elg_colsum(d,a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_colsum
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(out) :: d(:)
|
|
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: vt(:)
|
|
logical :: tra
|
|
Integer :: err_act, info, int_err(5)
|
|
character(len=20) :: name='colsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
m = a%get_nrows()
|
|
n = a%get_ncols()
|
|
if (size(d) < n) then
|
|
info=psb_err_input_asize_small_i_
|
|
int_err(1) = 1
|
|
int_err(2) = size(d)
|
|
int_err(3) = n
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
d = dzero
|
|
|
|
do i=1, m
|
|
do j=1,a%irn(i)
|
|
k = a%ja(i,j)
|
|
d(k) = d(k) + (a%val(i,j))
|
|
end do
|
|
end do
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_colsum
|
|
|
|
subroutine psb_d_elg_aclsum(d,a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_aclsum
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(out) :: d(:)
|
|
|
|
integer :: i,j,k,m,n, nnz, ir, jc, nc
|
|
real(psb_dpk_) :: acc
|
|
real(psb_dpk_), allocatable :: vt(:)
|
|
logical :: tra
|
|
Integer :: err_act, info, int_err(5)
|
|
character(len=20) :: name='aclsum'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
m = a%get_nrows()
|
|
n = a%get_ncols()
|
|
if (size(d) < n) then
|
|
info=psb_err_input_asize_small_i_
|
|
int_err(1) = 1
|
|
int_err(2) = size(d)
|
|
int_err(3) = n
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
d = dzero
|
|
|
|
do i=1, m
|
|
do j=1,a%irn(i)
|
|
k = a%ja(i,j)
|
|
d(k) = d(k) + abs(a%val(i,j))
|
|
end do
|
|
end do
|
|
|
|
return
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_aclsum
|
|
|
|
|
|
subroutine psb_d_elg_get_diag(a,d,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_get_diag
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
real(psb_dpk_), intent(out) :: d(:)
|
|
integer, intent(out) :: info
|
|
|
|
Integer :: err_act, mnm, i, j, k
|
|
character(len=20) :: name='get_diag'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
mnm = min(a%get_nrows(),a%get_ncols())
|
|
if (size(d) < mnm) then
|
|
info=psb_err_input_asize_invalid_i_
|
|
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
|
|
if (a%is_triangle().and.a%is_unit()) then
|
|
d(1:mnm) = done
|
|
else
|
|
do i=1, mnm
|
|
if (1<=a%idiag(i).and.(a%idiag(i)<=size(a%ja,2))) &
|
|
& d(i) = a%val(i,a%idiag(i))
|
|
end do
|
|
end if
|
|
do i=mnm+1,size(d)
|
|
d(i) = dzero
|
|
end do
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_get_diag
|
|
|
|
|
|
subroutine psb_d_elg_scal(d,a,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_scal
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
real(psb_dpk_), intent(in) :: d(:)
|
|
integer, intent(out) :: info
|
|
|
|
Integer :: err_act,mnm, i, j, m
|
|
character(len=20) :: name='scal'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
m = a%get_nrows()
|
|
if (size(d) < m) then
|
|
info=psb_err_input_asize_invalid_i_
|
|
call psb_errpush(info,name,i_err=(/2,size(d),0,0,0/))
|
|
goto 9999
|
|
end if
|
|
|
|
do i=1, m
|
|
a%val(i,:) = a%val(i,:) * d(i)
|
|
enddo
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_scal
|
|
|
|
|
|
subroutine psb_d_elg_scals(d,a,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_scals
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
real(psb_dpk_), intent(in) :: d
|
|
integer, intent(out) :: info
|
|
|
|
Integer :: err_act,mnm, i, j, m
|
|
character(len=20) :: name='scal'
|
|
logical, parameter :: debug=.false.
|
|
|
|
info = psb_success_
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
a%val(:,:) = a%val(:,:) * d
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_scals
|
|
|
|
|
|
|
|
|
|
! == ===================================
|
|
!
|
|
!
|
|
!
|
|
! Data management
|
|
!
|
|
!
|
|
!
|
|
!
|
|
!
|
|
! == ===================================
|
|
|
|
|
|
subroutine psb_d_elg_reallocate_nz(nz,a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_reallocate_nz
|
|
implicit none
|
|
integer, intent(in) :: nz
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
integer :: m, nzrm
|
|
Integer :: err_act, info
|
|
character(len=20) :: name='d_elg_reallocate_nz'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
!
|
|
! What should this really do???
|
|
!
|
|
m = a%get_nrows()
|
|
nzrm = (nz+m-1)/m
|
|
call psb_realloc(m,nzrm,a%ja,info)
|
|
if (info == psb_success_) call psb_realloc(m,nzrm,a%val,info)
|
|
if (info /= psb_success_) then
|
|
call psb_errpush(psb_err_alloc_dealloc_,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_reallocate_nz
|
|
|
|
subroutine psb_d_elg_mold(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_mold
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
class(psb_d_base_sparse_mat), intent(out), allocatable :: b
|
|
integer, intent(out) :: info
|
|
Integer :: err_act
|
|
character(len=20) :: name='reallocate_nz'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_get_erraction(err_act)
|
|
|
|
allocate(psb_d_elg_sparse_mat :: b, stat=info)
|
|
|
|
if (info /= psb_success_) then
|
|
info = psb_err_alloc_dealloc_
|
|
call psb_errpush(info, name)
|
|
goto 9999
|
|
end if
|
|
return
|
|
9999 continue
|
|
if (err_act /= psb_act_ret_) then
|
|
call psb_error()
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_mold
|
|
|
|
subroutine psb_d_elg_allocate_mnnz(m,n,a,nz)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_allocate_mnnz
|
|
implicit none
|
|
integer, intent(in) :: m,n
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
integer, intent(in), optional :: nz
|
|
Integer :: err_act, info, nz_
|
|
character(len=20) :: name='allocate_mnz'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
if (m < 0) then
|
|
info = psb_err_iarg_neg_
|
|
call psb_errpush(info,name,i_err=(/1,0,0,0,0/))
|
|
goto 9999
|
|
endif
|
|
if (n < 0) then
|
|
info = psb_err_iarg_neg_
|
|
call psb_errpush(info,name,i_err=(/2,0,0,0,0/))
|
|
goto 9999
|
|
endif
|
|
if (present(nz)) then
|
|
nz_ = (nz + m -1 )/m
|
|
else
|
|
nz_ = (max(7*m,7*n,1)+m-1)/m
|
|
end if
|
|
if (nz_ < 0) then
|
|
info = psb_err_iarg_neg_
|
|
call psb_errpush(info,name,i_err=(/3,0,0,0,0/))
|
|
goto 9999
|
|
endif
|
|
|
|
if (info == psb_success_) call psb_realloc(m,a%irn,info)
|
|
if (info == psb_success_) call psb_realloc(m,a%idiag,info)
|
|
if (info == psb_success_) call psb_realloc(m,nz_,a%ja,info)
|
|
if (info == psb_success_) call psb_realloc(m,nz_,a%val,info)
|
|
if (info == psb_success_) then
|
|
a%irn = 0
|
|
a%idiag = 0
|
|
call a%set_nrows(m)
|
|
call a%set_ncols(n)
|
|
call a%set_bld()
|
|
call a%set_triangle(.false.)
|
|
call a%set_unit(.false.)
|
|
call a%set_dupl(psb_dupl_def_)
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_allocate_mnnz
|
|
|
|
|
|
subroutine psb_d_elg_csgetptn(imin,imax,a,nz,ia,ja,info,&
|
|
& jmin,jmax,iren,append,nzin,rscale,cscale)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetptn
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
integer, intent(in) :: imin,imax
|
|
integer, intent(out) :: nz
|
|
integer, allocatable, intent(inout) :: ia(:), ja(:)
|
|
integer,intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer, intent(in), optional :: iren(:)
|
|
integer, intent(in), optional :: jmin,jmax, nzin
|
|
logical, intent(in), optional :: rscale,cscale
|
|
|
|
logical :: append_, rscale_, cscale_
|
|
integer :: nzin_, jmin_, jmax_, err_act, i
|
|
character(len=20) :: name='csget'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (present(jmin)) then
|
|
jmin_ = jmin
|
|
else
|
|
jmin_ = 1
|
|
endif
|
|
if (present(jmax)) then
|
|
jmax_ = jmax
|
|
else
|
|
jmax_ = a%get_ncols()
|
|
endif
|
|
|
|
if ((imax<imin).or.(jmax_<jmin_)) then
|
|
nz = 0
|
|
return
|
|
end if
|
|
|
|
if (present(append)) then
|
|
append_=append
|
|
else
|
|
append_=.false.
|
|
endif
|
|
if ((append_).and.(present(nzin))) then
|
|
nzin_ = nzin
|
|
else
|
|
nzin_ = 0
|
|
endif
|
|
if (present(rscale)) then
|
|
rscale_ = rscale
|
|
else
|
|
rscale_ = .false.
|
|
endif
|
|
if (present(cscale)) then
|
|
cscale_ = cscale
|
|
else
|
|
cscale_ = .false.
|
|
endif
|
|
if ((rscale_.or.cscale_).and.(present(iren))) then
|
|
info = psb_err_many_optional_arg_
|
|
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
|
|
goto 9999
|
|
end if
|
|
|
|
call elg_getptn(imin,imax,jmin_,jmax_,a,nz,ia,ja,nzin_,append_,info,iren)
|
|
|
|
if (rscale_) then
|
|
do i=nzin_+1, nzin_+nz
|
|
ia(i) = ia(i) - imin + 1
|
|
end do
|
|
end if
|
|
if (cscale_) then
|
|
do i=nzin_+1, nzin_+nz
|
|
ja(i) = ja(i) - jmin_ + 1
|
|
end do
|
|
end if
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
contains
|
|
|
|
subroutine elg_getptn(imin,imax,jmin,jmax,a,nz,ia,ja,nzin,append,info,&
|
|
& iren)
|
|
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
integer :: imin,imax,jmin,jmax
|
|
integer, intent(out) :: nz
|
|
integer, allocatable, intent(inout) :: ia(:), ja(:)
|
|
integer, intent(in) :: nzin
|
|
logical, intent(in) :: append
|
|
integer :: info
|
|
integer, optional :: iren(:)
|
|
integer :: nzin_, nza, idx,i,j,k, nzt, irw, lrw
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name='elg_getptn'
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
nza = a%get_nzeros()
|
|
irw = imin
|
|
lrw = min(imax,a%get_nrows())
|
|
if (irw<0) then
|
|
info = psb_err_pivot_too_small_
|
|
return
|
|
end if
|
|
|
|
if (append) then
|
|
nzin_ = nzin
|
|
else
|
|
nzin_ = 0
|
|
endif
|
|
|
|
nzt = sum(a%irn(irw:lrw))
|
|
nz = 0
|
|
|
|
|
|
call psb_ensure_size(nzin_+nzt,ia,info)
|
|
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
|
|
|
|
if (info /= psb_success_) return
|
|
|
|
if (present(iren)) then
|
|
do i=irw, lrw
|
|
do j=1,a%irn(i)
|
|
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
ia(nzin_) = iren(i)
|
|
ja(nzin_) = iren(a%ja(i,j))
|
|
end if
|
|
enddo
|
|
end do
|
|
else
|
|
do i=irw, lrw
|
|
do j=1,a%irn(i)
|
|
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
ia(nzin_) = (i)
|
|
ja(nzin_) = (a%ja(i,j))
|
|
end if
|
|
enddo
|
|
end do
|
|
end if
|
|
|
|
end subroutine elg_getptn
|
|
|
|
end subroutine psb_d_elg_csgetptn
|
|
|
|
|
|
subroutine psb_d_elg_csgetrow(imin,imax,a,nz,ia,ja,val,info,&
|
|
& jmin,jmax,iren,append,nzin,rscale,cscale)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetrow
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
integer, intent(in) :: imin,imax
|
|
integer, intent(out) :: nz
|
|
integer, allocatable, intent(inout) :: ia(:), ja(:)
|
|
real(psb_dpk_), allocatable, intent(inout) :: val(:)
|
|
integer,intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer, intent(in), optional :: iren(:)
|
|
integer, intent(in), optional :: jmin,jmax, nzin
|
|
logical, intent(in), optional :: rscale,cscale
|
|
|
|
logical :: append_, rscale_, cscale_
|
|
integer :: nzin_, jmin_, jmax_, err_act, i
|
|
character(len=20) :: name='csget'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (present(jmin)) then
|
|
jmin_ = jmin
|
|
else
|
|
jmin_ = 1
|
|
endif
|
|
if (present(jmax)) then
|
|
jmax_ = jmax
|
|
else
|
|
jmax_ = a%get_ncols()
|
|
endif
|
|
|
|
if ((imax<imin).or.(jmax_<jmin_)) then
|
|
nz = 0
|
|
return
|
|
end if
|
|
|
|
if (present(append)) then
|
|
append_=append
|
|
else
|
|
append_=.false.
|
|
endif
|
|
if ((append_).and.(present(nzin))) then
|
|
nzin_ = nzin
|
|
else
|
|
nzin_ = 0
|
|
endif
|
|
if (present(rscale)) then
|
|
rscale_ = rscale
|
|
else
|
|
rscale_ = .false.
|
|
endif
|
|
if (present(cscale)) then
|
|
cscale_ = cscale
|
|
else
|
|
cscale_ = .false.
|
|
endif
|
|
if ((rscale_.or.cscale_).and.(present(iren))) then
|
|
info = psb_err_many_optional_arg_
|
|
call psb_errpush(info,name,a_err='iren (rscale.or.cscale)')
|
|
goto 9999
|
|
end if
|
|
|
|
call elg_getrow(imin,imax,jmin_,jmax_,a,nz,ia,ja,val,nzin_,append_,info,&
|
|
& iren)
|
|
|
|
if (rscale_) then
|
|
do i=nzin_+1, nzin_+nz
|
|
ia(i) = ia(i) - imin + 1
|
|
end do
|
|
end if
|
|
if (cscale_) then
|
|
do i=nzin_+1, nzin_+nz
|
|
ja(i) = ja(i) - jmin_ + 1
|
|
end do
|
|
end if
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
contains
|
|
|
|
subroutine elg_getrow(imin,imax,jmin,jmax,a,nz,ia,ja,val,nzin,append,info,&
|
|
& iren)
|
|
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
integer :: imin,imax,jmin,jmax
|
|
integer, intent(out) :: nz
|
|
integer, allocatable, intent(inout) :: ia(:), ja(:)
|
|
real(psb_dpk_), allocatable, intent(inout) :: val(:)
|
|
integer, intent(in) :: nzin
|
|
logical, intent(in) :: append
|
|
integer :: info
|
|
integer, optional :: iren(:)
|
|
integer :: nzin_, nza, idx,i,j,k, nzt, irw, lrw
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name='coo_getrow'
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
nza = a%get_nzeros()
|
|
irw = imin
|
|
lrw = min(imax,a%get_nrows())
|
|
if (irw<0) then
|
|
info = psb_err_pivot_too_small_
|
|
return
|
|
end if
|
|
|
|
if (append) then
|
|
nzin_ = nzin
|
|
else
|
|
nzin_ = 0
|
|
endif
|
|
|
|
nzt = sum(a%irn(irw:lrw))
|
|
nz = 0
|
|
|
|
|
|
call psb_ensure_size(nzin_+nzt,ia,info)
|
|
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,ja,info)
|
|
if (info == psb_success_) call psb_ensure_size(nzin_+nzt,val,info)
|
|
|
|
if (info /= psb_success_) return
|
|
|
|
if (present(iren)) then
|
|
do i=irw, lrw
|
|
do j=1,a%irn(i)
|
|
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
val(nzin_) = a%val(i,j)
|
|
ia(nzin_) = iren(i)
|
|
ja(nzin_) = iren(a%ja(i,j))
|
|
end if
|
|
enddo
|
|
end do
|
|
else
|
|
do i=irw, lrw
|
|
do j=1,a%irn(i)
|
|
if ((jmin <= a%ja(i,j)).and.(a%ja(i,j)<=jmax)) then
|
|
nzin_ = nzin_ + 1
|
|
nz = nz + 1
|
|
val(nzin_) = a%val(i,j)
|
|
ia(nzin_) = (i)
|
|
ja(nzin_) = (a%ja(i,j))
|
|
end if
|
|
enddo
|
|
end do
|
|
end if
|
|
|
|
end subroutine elg_getrow
|
|
|
|
end subroutine psb_d_elg_csgetrow
|
|
|
|
subroutine psb_d_elg_csgetblk(imin,imax,a,b,info,&
|
|
& jmin,jmax,iren,append,rscale,cscale)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csgetblk
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
class(psb_d_coo_sparse_mat), intent(inout) :: b
|
|
integer, intent(in) :: imin,imax
|
|
integer,intent(out) :: info
|
|
logical, intent(in), optional :: append
|
|
integer, intent(in), optional :: iren(:)
|
|
integer, intent(in), optional :: jmin,jmax
|
|
logical, intent(in), optional :: rscale,cscale
|
|
Integer :: err_act, nzin, nzout
|
|
character(len=20) :: name='csget'
|
|
logical :: append_
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (present(append)) then
|
|
append_ = append
|
|
else
|
|
append_ = .false.
|
|
endif
|
|
if (append_) then
|
|
nzin = a%get_nzeros()
|
|
else
|
|
nzin = 0
|
|
endif
|
|
|
|
call a%csget(imin,imax,nzout,b%ia,b%ja,b%val,info,&
|
|
& jmin=jmin, jmax=jmax, iren=iren, append=append_, &
|
|
& nzin=nzin, rscale=rscale, cscale=cscale)
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call b%set_nzeros(nzin+nzout)
|
|
call b%fix(info)
|
|
if (info /= psb_success_) goto 9999
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_csgetblk
|
|
|
|
|
|
|
|
subroutine psb_d_elg_csput(nz,ia,ja,val,a,imin,imax,jmin,jmax,info,gtl)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_csput
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
real(psb_dpk_), intent(in) :: val(:)
|
|
integer, intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
|
|
integer, intent(out) :: info
|
|
integer, intent(in), optional :: gtl(:)
|
|
|
|
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_elg_csput'
|
|
logical, parameter :: debug=.false.
|
|
integer :: nza, i,j,k, nzl, isza, int_err(5)
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
if (nz <= 0) then
|
|
info = psb_err_iarg_neg_
|
|
int_err(1)=1
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
if (size(ia) < nz) then
|
|
info = psb_err_input_asize_invalid_i_
|
|
int_err(1)=2
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
if (size(ja) < nz) then
|
|
info = psb_err_input_asize_invalid_i_
|
|
int_err(1)=3
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
if (size(val) < nz) then
|
|
info = psb_err_input_asize_invalid_i_
|
|
int_err(1)=4
|
|
call psb_errpush(info,name,i_err=int_err)
|
|
goto 9999
|
|
end if
|
|
|
|
if (nz == 0) return
|
|
|
|
nza = a%get_nzeros()
|
|
|
|
if (a%is_bld()) then
|
|
! Build phase should only ever be in COO
|
|
info = psb_err_invalid_mat_state_
|
|
|
|
else if (a%is_upd()) then
|
|
call psb_d_elg_srch_upd(nz,ia,ja,val,a,&
|
|
& imin,imax,jmin,jmax,info,gtl)
|
|
|
|
if (info /= psb_success_) then
|
|
|
|
info = psb_err_invalid_mat_state_
|
|
end if
|
|
|
|
else
|
|
! State is wrong.
|
|
info = psb_err_invalid_mat_state_
|
|
end if
|
|
if (info /= psb_success_) then
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
|
|
contains
|
|
|
|
subroutine psb_d_elg_srch_upd(nz,ia,ja,val,a,&
|
|
& imin,imax,jmin,jmax,info,gtl)
|
|
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
integer, intent(in) :: nz, imin,imax,jmin,jmax
|
|
integer, intent(in) :: ia(:),ja(:)
|
|
real(psb_dpk_), intent(in) :: val(:)
|
|
integer, intent(out) :: info
|
|
integer, intent(in), optional :: gtl(:)
|
|
integer :: i,ir,ic, ilr, ilc, ip, &
|
|
& i1,i2,nr,nc,nnz,dupl,ng
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name='d_elg_srch_upd'
|
|
|
|
info = psb_success_
|
|
debug_unit = psb_get_debug_unit()
|
|
debug_level = psb_get_debug_level()
|
|
|
|
dupl = a%get_dupl()
|
|
|
|
if (.not.a%is_sorted()) then
|
|
info = -4
|
|
return
|
|
end if
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
nnz = a%get_nzeros()
|
|
nr = a%get_nrows()
|
|
nc = a%get_ncols()
|
|
|
|
if (present(gtl)) then
|
|
ng = size(gtl)
|
|
|
|
select case(dupl)
|
|
case(psb_dupl_ovwrt_,psb_dupl_err_)
|
|
! Overwrite.
|
|
! Cannot test for error, should have been caught earlier.
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
|
|
ir = gtl(ir)
|
|
ic = gtl(ic)
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
nc = a%irn(ir)
|
|
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
|
|
if (ip>0) then
|
|
a%val(i,ip) = val(i)
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Was searching ',ic,' in: ',nc,&
|
|
& ' : ',a%ja(i,1:nc)
|
|
info = i
|
|
return
|
|
end if
|
|
|
|
else
|
|
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Discarding row that does not belong to us.'
|
|
end if
|
|
end if
|
|
end do
|
|
|
|
case(psb_dupl_add_)
|
|
! Add
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
|
|
ir = gtl(ir)
|
|
ic = gtl(ic)
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
nc = a%irn(ir)
|
|
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
|
|
if (ip>0) then
|
|
a%val(i,ip) = a%val(i,ip) + val(i)
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Was searching ',ic,' in: ',nc,&
|
|
& ' : ',a%ja(i,1:nc)
|
|
info = i
|
|
return
|
|
end if
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Discarding row that does not belong to us.'
|
|
end if
|
|
|
|
end if
|
|
end do
|
|
|
|
case default
|
|
info = -3
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Duplicate handling: ',dupl
|
|
end select
|
|
|
|
else
|
|
|
|
select case(dupl)
|
|
case(psb_dupl_ovwrt_,psb_dupl_err_)
|
|
! Overwrite.
|
|
! Cannot test for error, should have been caught earlier.
|
|
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
|
|
nc = a%irn(ir)
|
|
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
|
|
if (ip>0) then
|
|
a%val(i,ip) = val(i)
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Was searching ',ic,' in: ',nc,&
|
|
& ' : ',a%ja(i,1:nc)
|
|
info = i
|
|
return
|
|
end if
|
|
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Discarding row that does not belong to us.'
|
|
end if
|
|
|
|
end do
|
|
|
|
case(psb_dupl_add_)
|
|
! Add
|
|
ilr = -1
|
|
ilc = -1
|
|
do i=1, nz
|
|
ir = ia(i)
|
|
ic = ja(i)
|
|
if ((ir > 0).and.(ir <= nr)) then
|
|
nc = a%irn(ir)
|
|
ip = psb_ibsrch(ic,nc,a%ja(i,1:nc))
|
|
if (ip>0) then
|
|
a%val(i,ip) = a%val(i,ip) + val(i)
|
|
else
|
|
info = i
|
|
return
|
|
end if
|
|
else
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Discarding row that does not belong to us.'
|
|
end if
|
|
end do
|
|
|
|
case default
|
|
info = -3
|
|
if (debug_level >= psb_debug_serial_) &
|
|
& write(debug_unit,*) trim(name),&
|
|
& ': Duplicate handling: ',dupl
|
|
end select
|
|
|
|
end if
|
|
|
|
end subroutine psb_d_elg_srch_upd
|
|
|
|
end subroutine psb_d_elg_csput
|
|
|
|
|
|
|
|
subroutine psb_d_elg_reinit(a,clear)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_reinit
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
logical, intent(in), optional :: clear
|
|
|
|
Integer :: err_act, info
|
|
character(len=20) :: name='reinit'
|
|
logical :: clear_
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
|
|
|
|
if (present(clear)) then
|
|
clear_ = clear
|
|
else
|
|
clear_ = .true.
|
|
end if
|
|
|
|
if (a%is_bld() .or. a%is_upd()) then
|
|
! do nothing
|
|
return
|
|
else if (a%is_asb()) then
|
|
if (clear_) a%val(:,:) = dzero
|
|
call a%set_upd()
|
|
else
|
|
info = psb_err_invalid_mat_state_
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_reinit
|
|
|
|
subroutine psb_d_elg_trim(a)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_trim
|
|
implicit none
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
Integer :: err_act, info, nz, m, nzm
|
|
character(len=20) :: name='trim'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
m = a%get_nrows()
|
|
nzm = maxval(a%irn(1:m))
|
|
|
|
call psb_realloc(m,a%irn,info)
|
|
if (info == psb_success_) call psb_realloc(m,a%idiag,info)
|
|
if (info == psb_success_) call psb_realloc(m,nzm,a%ja,info)
|
|
if (info == psb_success_) call psb_realloc(m,nzm,a%val,info)
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
call psb_error()
|
|
return
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_trim
|
|
|
|
subroutine psb_d_elg_print(iout,a,iv,eirs,eics,head,ivr,ivc)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_print
|
|
implicit none
|
|
|
|
integer, intent(in) :: iout
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
integer, intent(in), optional :: iv(:)
|
|
integer, intent(in), optional :: eirs,eics
|
|
character(len=*), optional :: head
|
|
integer, intent(in), optional :: ivr(:), ivc(:)
|
|
|
|
Integer :: err_act
|
|
character(len=20) :: name='d_elg_print'
|
|
logical, parameter :: debug=.false.
|
|
|
|
character(len=80) :: frmtv
|
|
integer :: irs,ics,i,j, nmx, ni, nr, nc, nz
|
|
|
|
if (present(eirs)) then
|
|
irs = eirs
|
|
else
|
|
irs = 0
|
|
endif
|
|
if (present(eics)) then
|
|
ics = eics
|
|
else
|
|
ics = 0
|
|
endif
|
|
|
|
if (present(head)) then
|
|
write(iout,'(a)') '%%MatrixMarket matrix coordinate real general'
|
|
write(iout,'(a,a)') '% ',head
|
|
write(iout,'(a)') '%'
|
|
write(iout,'(a,a)') '% COO'
|
|
endif
|
|
|
|
nr = a%get_nrows()
|
|
nc = a%get_ncols()
|
|
nz = a%get_nzeros()
|
|
nmx = max(nr,nc,1)
|
|
ni = floor(log10(1.0*nmx)) + 1
|
|
|
|
write(frmtv,'(a,i3.3,a,i3.3,a)') '(2(i',ni,',1x),es26.18,1x,2(i',ni,',1x))'
|
|
write(iout,*) nr, nc, nz
|
|
if(present(iv)) then
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
write(iout,frmtv) iv(i),iv(a%ja(i,j)),a%val(i,j)
|
|
end do
|
|
enddo
|
|
else
|
|
if (present(ivr).and..not.present(ivc)) then
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
write(iout,frmtv) ivr(i),(a%ja(i,j)),a%val(i,j)
|
|
end do
|
|
enddo
|
|
else if (present(ivr).and.present(ivc)) then
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
write(iout,frmtv) ivr(i),ivc(a%ja(i,j)),a%val(i,j)
|
|
end do
|
|
enddo
|
|
else if (.not.present(ivr).and.present(ivc)) then
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
write(iout,frmtv) (i),ivc(a%ja(i,j)),a%val(i,j)
|
|
end do
|
|
enddo
|
|
else if (.not.present(ivr).and..not.present(ivc)) then
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
write(iout,frmtv) (i),(a%ja(i,j)),a%val(i,j)
|
|
end do
|
|
enddo
|
|
endif
|
|
endif
|
|
|
|
end subroutine psb_d_elg_print
|
|
|
|
|
|
subroutine psb_d_cp_elg_from_coo(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_from_coo
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_coo_sparse_mat), intent(in) :: b
|
|
integer, intent(out) :: info
|
|
|
|
type(psb_d_coo_sparse_mat) :: tmp
|
|
integer, allocatable :: itemp(:)
|
|
!locals
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, i,j,irw, idl,err_act, nc
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
! This is to have fix_coo called behind the scenes
|
|
call b%cp_to_coo(tmp,info)
|
|
if (info == psb_success_) call a%mv_from_coo(tmp,info)
|
|
|
|
end subroutine psb_d_cp_elg_from_coo
|
|
|
|
|
|
|
|
subroutine psb_d_cp_elg_to_coo(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_to_coo
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
class(psb_d_coo_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
integer, allocatable :: itemp(:)
|
|
!locals
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, nc,i,j,k,irw, idl,err_act
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
nr = a%get_nrows()
|
|
nc = a%get_ncols()
|
|
nza = a%get_nzeros()
|
|
|
|
call b%allocate(nr,nc,nza)
|
|
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
|
|
|
|
k=0
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
k = k + 1
|
|
b%ia(k) = i
|
|
b%ja(k) = a%ja(i,j)
|
|
b%val(k) = a%val(i,j)
|
|
end do
|
|
end do
|
|
call b%set_nzeros(a%get_nzeros())
|
|
call b%fix(info)
|
|
|
|
end subroutine psb_d_cp_elg_to_coo
|
|
|
|
subroutine psb_d_mv_elg_to_coo(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_to_coo
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_coo_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
integer, allocatable :: itemp(:)
|
|
!locals
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, nc,i,j,k,irw, idl,err_act
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
nr = a%get_nrows()
|
|
nc = a%get_ncols()
|
|
nza = a%get_nzeros()
|
|
|
|
! Taking a path slightly slower but with less memory footprint
|
|
deallocate(a%idiag)
|
|
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
|
|
|
|
call psb_realloc(nza,b%ia,info)
|
|
if (info == 0) call psb_realloc(nza,b%ja,info)
|
|
if (info /= 0) goto 9999
|
|
k=0
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
k = k + 1
|
|
b%ia(k) = i
|
|
b%ja(k) = a%ja(i,j)
|
|
end do
|
|
end do
|
|
deallocate(a%ja, stat=info)
|
|
|
|
if (info == 0) call psb_realloc(nza,b%val,info)
|
|
if (info /= 0) goto 9999
|
|
|
|
k=0
|
|
do i=1, nr
|
|
do j=1,a%irn(i)
|
|
k = k + 1
|
|
b%val(k) = a%val(i,j)
|
|
end do
|
|
end do
|
|
call a%free()
|
|
call b%set_nzeros(nza)
|
|
call b%fix(info)
|
|
return
|
|
|
|
9999 continue
|
|
info = psb_err_alloc_dealloc_
|
|
return
|
|
end subroutine psb_d_mv_elg_to_coo
|
|
|
|
|
|
subroutine psb_d_mv_elg_from_coo(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_from_coo
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_coo_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
integer, allocatable :: itemp(:)
|
|
!locals
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, i,j,k, idl,err_act, nc, nzm, ir, ic
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
call b%fix(info)
|
|
if (info /= psb_success_) return
|
|
|
|
nr = b%get_nrows()
|
|
nc = b%get_ncols()
|
|
nza = b%get_nzeros()
|
|
if (b%is_sorted()) then
|
|
! If it is sorted then we can lessen memory impact
|
|
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
|
|
|
|
! First compute the number of nonzeros in each row.
|
|
call psb_realloc(nr,a%irn,info)
|
|
if (info /= 0) goto 9999
|
|
a%irn = 0
|
|
do i=1, nza
|
|
a%irn(b%ia(i)) = a%irn(b%ia(i)) + 1
|
|
end do
|
|
nzm = 0
|
|
do i=1, nr
|
|
nzm = max(nzm,a%irn(i))
|
|
a%irn(i) = 0
|
|
end do
|
|
! Second: copy the column indices.
|
|
call psb_realloc(nr,a%idiag,info)
|
|
if (info == 0) call psb_realloc(nr,nzm,a%ja,info)
|
|
if (info /= 0) goto 9999
|
|
do i=1, nza
|
|
ir = b%ia(i)
|
|
ic = b%ja(i)
|
|
j = a%irn(ir) + 1
|
|
a%ja(ir,j) = ic
|
|
a%irn(ir) = j
|
|
end do
|
|
! Third copy the other stuff
|
|
deallocate(b%ia,b%ja,stat=info)
|
|
if (info == 0) call psb_realloc(nr,a%idiag,info)
|
|
if (info == 0) call psb_realloc(nr,nzm,a%val,info)
|
|
if (info /= 0) goto 9999
|
|
k = 0
|
|
do i=1, nr
|
|
a%idiag(i) = 0
|
|
do j=1, a%irn(i)
|
|
k = k + 1
|
|
a%val(i,j) = b%val(k)
|
|
if (i==a%ja(i,j)) a%idiag(i)=j
|
|
end do
|
|
do j=a%irn(i)+1, nzm
|
|
a%ja(i,j) = i
|
|
a%val(i,j) = dzero
|
|
end do
|
|
end do
|
|
|
|
else
|
|
! If b is not sorted, the only way is to copy.
|
|
call a%cp_from_coo(b,info)
|
|
if (info /= 0) goto 9999
|
|
end if
|
|
|
|
call b%free()
|
|
|
|
return
|
|
|
|
9999 continue
|
|
info = psb_err_alloc_dealloc_
|
|
return
|
|
|
|
|
|
end subroutine psb_d_mv_elg_from_coo
|
|
|
|
|
|
subroutine psb_d_mv_elg_to_fmt(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_to_fmt
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_base_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
!locals
|
|
type(psb_d_coo_sparse_mat) :: tmp
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, i,j,irw, idl,err_act, nc
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
select type (b)
|
|
type is (psb_d_coo_sparse_mat)
|
|
call a%mv_to_coo(b,info)
|
|
! Need to fix trivial copies!
|
|
type is (psb_d_elg_sparse_mat)
|
|
call b%psb_d_base_sparse_mat%mv_from(a%psb_d_base_sparse_mat)
|
|
call move_alloc(a%irn, b%irn)
|
|
call move_alloc(a%idiag, b%idiag)
|
|
call move_alloc(a%ja, b%ja)
|
|
call move_alloc(a%val, b%val)
|
|
call a%free()
|
|
|
|
class default
|
|
call a%mv_to_coo(tmp,info)
|
|
if (info == psb_success_) call b%mv_from_coo(tmp,info)
|
|
end select
|
|
|
|
end subroutine psb_d_mv_elg_to_fmt
|
|
|
|
|
|
subroutine psb_d_cp_elg_to_fmt(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_to_fmt
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(in) :: a
|
|
class(psb_d_base_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
!locals
|
|
type(psb_d_coo_sparse_mat) :: tmp
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, i,j,irw, idl,err_act, nc
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
|
|
select type (b)
|
|
type is (psb_d_coo_sparse_mat)
|
|
call a%cp_to_coo(b,info)
|
|
|
|
type is (psb_d_elg_sparse_mat)
|
|
call b%psb_d_base_sparse_mat%cp_from(a%psb_d_base_sparse_mat)
|
|
call psb_safe_cpy( a%idiag, b%idiag , info)
|
|
call psb_safe_cpy( a%irn, b%irn , info)
|
|
call psb_safe_cpy( a%ja , b%ja , info)
|
|
call psb_safe_cpy( a%val, b%val , info)
|
|
|
|
class default
|
|
call a%cp_to_coo(tmp,info)
|
|
if (info == psb_success_) call b%mv_from_coo(tmp,info)
|
|
end select
|
|
|
|
end subroutine psb_d_cp_elg_to_fmt
|
|
|
|
|
|
subroutine psb_d_mv_elg_from_fmt(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_mv_elg_from_fmt
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_base_sparse_mat), intent(inout) :: b
|
|
integer, intent(out) :: info
|
|
|
|
!locals
|
|
type(psb_d_coo_sparse_mat) :: tmp
|
|
logical :: rwshr_
|
|
Integer :: nza, nr, i,j,irw, idl,err_act, nc
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
select type (b)
|
|
type is (psb_d_coo_sparse_mat)
|
|
call a%mv_from_coo(b,info)
|
|
|
|
type is (psb_d_elg_sparse_mat)
|
|
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
|
|
call move_alloc(b%irn, a%irn)
|
|
call move_alloc(b%idiag, a%idiag)
|
|
call move_alloc(b%ja, a%ja)
|
|
call move_alloc(b%val, a%val)
|
|
call b%free()
|
|
|
|
class default
|
|
call b%mv_to_coo(tmp,info)
|
|
if (info == psb_success_) call a%mv_from_coo(tmp,info)
|
|
end select
|
|
|
|
end subroutine psb_d_mv_elg_from_fmt
|
|
|
|
|
|
|
|
subroutine psb_d_cp_elg_from_fmt(a,b,info)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_cp_elg_from_fmt
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
class(psb_d_base_sparse_mat), intent(in) :: b
|
|
integer, intent(out) :: info
|
|
|
|
!locals
|
|
type(psb_d_coo_sparse_mat) :: tmp
|
|
logical :: rwshr_
|
|
Integer :: nz, nr, i,j,irw, idl,err_act, nc
|
|
Integer, Parameter :: maxtry=8
|
|
integer :: debug_level, debug_unit
|
|
character(len=20) :: name
|
|
|
|
info = psb_success_
|
|
|
|
select type (b)
|
|
type is (psb_d_coo_sparse_mat)
|
|
call a%cp_from_coo(b,info)
|
|
|
|
type is (psb_d_elg_sparse_mat)
|
|
call a%psb_d_base_sparse_mat%cp_from(b%psb_d_base_sparse_mat)
|
|
call psb_safe_cpy( b%irn, a%irn , info)
|
|
call psb_safe_cpy( b%idiag, a%idiag, info)
|
|
call psb_safe_cpy( b%ja , a%ja , info)
|
|
call psb_safe_cpy( b%val, a%val , info)
|
|
|
|
class default
|
|
call b%cp_to_coo(tmp,info)
|
|
if (info == psb_success_) call a%mv_from_coo(tmp,info)
|
|
end select
|
|
end subroutine psb_d_cp_elg_from_fmt
|
|
|
|
|
|
subroutine psb_d_elg_cp_from(a,b)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_cp_from
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
type(psb_d_elg_sparse_mat), intent(in) :: b
|
|
|
|
|
|
Integer :: err_act, info
|
|
character(len=20) :: name='cp_from'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
info = psb_success_
|
|
|
|
call a%allocate(b%get_nrows(),b%get_ncols(),b%get_nzeros())
|
|
call a%psb_d_base_sparse_mat%cp_from(b%psb_d_base_sparse_mat)
|
|
call psb_safe_cpy( b%irn, a%irn , info)
|
|
call psb_safe_cpy( b%idiag, a%idiag, info)
|
|
call psb_safe_cpy( b%ja , a%ja , info)
|
|
call psb_safe_cpy( b%val, a%val , info)
|
|
|
|
if (info /= psb_success_) goto 9999
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
if (err_act /= psb_act_ret_) then
|
|
call psb_error()
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_cp_from
|
|
|
|
subroutine psb_d_elg_mv_from(a,b)
|
|
use psb_sparse_mod
|
|
use psb_d_elg_mat_mod, psb_protect_name => psb_d_elg_mv_from
|
|
implicit none
|
|
|
|
class(psb_d_elg_sparse_mat), intent(inout) :: a
|
|
type(psb_d_elg_sparse_mat), intent(inout) :: b
|
|
|
|
|
|
Integer :: err_act, info
|
|
character(len=20) :: name='mv_from'
|
|
logical, parameter :: debug=.false.
|
|
|
|
call psb_erractionsave(err_act)
|
|
info = psb_success_
|
|
call a%psb_d_base_sparse_mat%mv_from(b%psb_d_base_sparse_mat)
|
|
call move_alloc(b%idiag, a%idiag)
|
|
call move_alloc(b%irn, a%irn)
|
|
call move_alloc(b%ja, a%ja)
|
|
call move_alloc(b%val, a%val)
|
|
call b%free()
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
if (err_act /= psb_act_ret_) then
|
|
call psb_error()
|
|
end if
|
|
return
|
|
|
|
end subroutine psb_d_elg_mv_from
|
|
|
|
|
|
#endif
|