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module psbn_d_csr_sparse_mat_mod
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use psbn_d_base_mat_mod
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type, extends(psbn_d_base_sparse_mat) :: psbn_d_csr_sparse_mat
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logical :: sorted
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integer, allocatable :: irp(:), ja(:)
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real(psb_dpk_), allocatable :: val(:)
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contains
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procedure, pass(a) :: get_nzeros => d_csr_get_nzeros
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procedure, pass(a) :: d_base_csmm => d_csr_csmm
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procedure, pass(a) :: d_base_csmv => d_csr_csmv
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procedure, pass(a) :: d_base_cssm => d_csr_cssm
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procedure, pass(a) :: d_base_cssv => d_csr_cssv
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procedure, pass(a) :: reallocate_nz => d_csr_reallocate_nz
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procedure, pass(a) :: csins => d_csr_csins
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end type psbn_d_csr_sparse_mat
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contains
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subroutine d_csr_reallocate_nz(nz,a)
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use psb_error_mod
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use psb_realloc_mod
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integer, intent(in) :: nz
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class(psbn_d_csr_sparse_mat), intent(inout) :: a
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Integer :: err_act, info
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character(len=20) :: name='d_csr_reallocate_nz'
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logical, parameter :: debug=.false.
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call psb_erractionsave(err_act)
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call psb_realloc(nx,a%ja,info)
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if (info == 0) call psb_realloc(nx,a%val,info)
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if (info == 0) call psb_realloc(max(nx,a%m+1,a%n+1),a%irp,info)
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if (info /= 0) then
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call psb_errpush(4000,name)
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goto 9999
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end if
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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 d_csr_reallocate_nz
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function d_csr_get_nzeros(a) result(res)
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class(psbn_d_csr_sparse_mat), intent(in) :: a
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integer :: res
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res = a%irp(a%m+1)-1
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end function d_csr_get_nzeros
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subroutine d_csr_csins(nz,val,ia,ja,a,imin,imax,jmin,jmax,info,gtl)
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use psb_const_mod
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use psb_error_mod
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class(psbn_d_csr_sparse_mat), intent(inout) :: a
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real(psb_dpk_), intent(in) :: val(:)
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integer, intent(in) :: nz, ia(:), ja(:), imin,imax,jmin,jmax
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integer, intent(out) :: info
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integer, intent(in), optional :: gtl(:)
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Integer :: err_act
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character(len=20) :: name='d_csr_csins'
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logical, parameter :: debug=.false.
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integer :: nza, i,j,k, nzl, isza, int_err(5)
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call psb_erractionsave(err_act)
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info = 0
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if (nz <= 0) then
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info = 10
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int_err(1)=1
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(ia) < nz) then
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info = 35
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int_err(1)=2
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(ja) < nz) then
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info = 35
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int_err(1)=3
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (size(val) < nz) then
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info = 35
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int_err(1)=4
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call psb_errpush(info,name,i_err=int_err)
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goto 9999
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end if
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if (nz == 0) return
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nza = a%get_nzeros()
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if (a%is_bld()) then
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! Build phase should only ever be in COO
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info = 1121
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else if (a%is_upd()) then
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if (a%is_sorted()) then
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!!$#ifdef FIXED_NAG_SEGV
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!!$ call d_csr_srch_upd(nz,ia,ja,val,a,&
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!!$ & imin,imax,jmin,jmax,info,gtl)
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!!$#else
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call d_csr_srch_upd(nz,ia,ja,val,&
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& a%irp,a%ja,a%val,&
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& a%get_dupl(),a%get_nzeros(),a%get_nrows(),&
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& info,gtl)
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!!$#endif
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else
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info = 1121
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end if
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else
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! State is wrong.
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info = 1121
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end if
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if (info /= 0) then
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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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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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!!$#ifdef FIXED_NAG_SEGV
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!!$ subroutine d_csr_srch_upd(nz,ia,ja,val,a,&
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!!$ & imin,imax,jmin,jmax,info,gtl)
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!!$
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!!$ use psb_const_mod
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!!$ use psb_realloc_mod
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!!$ use psb_string_mod
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!!$ use psb_serial_mod
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!!$ implicit none
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!!$
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!!$ class(psbn_d_csr_sparse_mat), intent(inout) :: a
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!!$ integer, intent(in) :: nz, imin,imax,jmin,jmax
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!!$ integer, intent(in) :: ia(:),ja(:)
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!!$ real(psb_dpk_), intent(in) :: val(:)
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!!$ integer, intent(out) :: info
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!!$ integer, intent(in), optional :: gtl(:)
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!!$ integer :: i,ir,ic, ilr, ilc, ip, &
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!!$ & i1,i2,nc,nnz,dupl,ng
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!!$ integer :: debug_level, debug_unit
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!!$ character(len=20) :: name='d_csr_srch_upd'
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!!$
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!!$ info = 0
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!!$ debug_unit = psb_get_debug_unit()
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!!$ debug_level = psb_get_debug_level()
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!!$
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!!$ dupl = a%get_dupl()
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!!$
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!!$ if (.not.a%is_sorted()) then
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!!$ info = -4
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!!$ return
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!!$ end if
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!!$
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!!$ ilr = -1
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!!$ ilc = -1
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!!$ nnz = a%get_nzeros()
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!!$
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!!$
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!!$ if (present(gtl)) then
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!!$ ng = size(gtl)
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!!$
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!!$ select case(dupl)
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!!$ case(psbn_dupl_ovwrt_,psbn_dupl_err_)
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!!$ ! Overwrite.
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!!$ ! Cannot test for error, should have been caught earlier.
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!!$ do i=1, nz
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!!$ ir = ia(i)
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!!$ ic = ja(i)
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!!$ if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
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!!$ ir = gtl(ir)
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!!$ if ((ir > 0).and.(ir <= a%m)) then
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!!$ ic = gtl(ic)
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!!$ if (ir /= ilr) then
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!!$ i1 = psb_ibsrch(ir,nnz,a%ia)
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!!$ i2 = i1
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!!$ do
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!!$ if (i2+1 > nnz) exit
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!!$ if (a%ia(i2+1) /= a%ia(i2)) exit
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!!$ i2 = i2 + 1
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!!$ end do
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!!$ do
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!!$ if (i1-1 < 1) exit
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!!$ if (a%ia(i1-1) /= a%ia(i1)) exit
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!!$ i1 = i1 - 1
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!!$ end do
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!!$ ilr = ir
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!!$ else
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!!$ i1 = 1
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!!$ i2 = 1
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!!$ end if
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!!$ nc = i2-i1+1
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!!$ ip = psb_issrch(ic,nc,a%ja(i1:i2))
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!!$ if (ip>0) then
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!!$ a%val(i1+ip-1) = val(i)
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!!$ else
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!!$ info = i
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!!$ return
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!!$ end if
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!!$ else
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!!$ if (debug_level >= psb_debug_serial_) &
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!!$ & write(debug_unit,*) trim(name),&
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!!$ & ': Discarding row that does not belong to us.'
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!!$ endif
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!!$ end if
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!!$ end do
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!!$ case(psbn_dupl_add_)
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!!$ ! Add
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!!$ do i=1, nz
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!!$ ir = ia(i)
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!!$ ic = ja(i)
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!!$ if ((ir >=1).and.(ir<=ng).and.(ic>=1).and.(ic<=ng)) then
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!!$ ir = gtl(ir)
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!!$ ic = gtl(ic)
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!!$ if ((ir > 0).and.(ir <= a%m)) then
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!!$
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!!$ if (ir /= ilr) then
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!!$ i1 = psb_ibsrch(ir,nnz,a%ia)
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!!$ i2 = i1
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!!$ do
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!!$ if (i2+1 > nnz) exit
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!!$ if (a%ia(i2+1) /= a%ia(i2)) exit
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!!$ i2 = i2 + 1
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!!$ end do
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!!$ do
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!!$ if (i1-1 < 1) exit
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!!$ if (a%ia(i1-1) /= a%ia(i1)) exit
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!!$ i1 = i1 - 1
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!!$ end do
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!!$ ilr = ir
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!!$ else
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!!$ i1 = 1
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!!$ i2 = 1
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!!$ end if
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!!$ nc = i2-i1+1
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!!$ ip = psb_issrch(ic,nc,a%ja(i1:i2))
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!!$ if (ip>0) then
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!!$ a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
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!!$ else
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!!$ info = i
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!!$ return
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!!$ end if
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!!$ else
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!!$ if (debug_level >= psb_debug_serial_) &
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!!$ & write(debug_unit,*) trim(name),&
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!!$ & ': Discarding row that does not belong to us.'
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!!$ end if
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!!$ end if
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!!$ end do
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!!$
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!!$ case default
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!!$ info = -3
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!!$ if (debug_level >= psb_debug_serial_) &
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!!$ & write(debug_unit,*) trim(name),&
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!!$ & ': Duplicate handling: ',dupl
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!!$ end select
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!!$
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!!$ else
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!!$
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!!$ select case(dupl)
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!!$ case(psbn_dupl_ovwrt_,psbn_dupl_err_)
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!!$ ! Overwrite.
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!!$ ! Cannot test for error, should have been caught earlier.
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!!$ do i=1, nz
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!!$ ir = ia(i)
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!!$ ic = ja(i)
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!!$ if ((ir > 0).and.(ir <= a%m)) then
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!!$
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!!$ if (ir /= ilr) then
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!!$ i1 = psb_ibsrch(ir,nnz,a%ia)
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!!$ i2 = i1
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!!$ do
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!!$ if (i2+1 > nnz) exit
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!!$ if (a%ia(i2+1) /= a%ia(i2)) exit
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!!$ i2 = i2 + 1
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!!$ end do
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!!$ do
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!!$ if (i1-1 < 1) exit
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!!$ if (a%ia(i1-1) /= a%ia(i1)) exit
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!!$ i1 = i1 - 1
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!!$ end do
|
|
|
|
|
!!$ ilr = ir
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ i1 = 1
|
|
|
|
|
!!$ i2 = 1
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ nc = i2-i1+1
|
|
|
|
|
!!$ ip = psb_issrch(ic,nc,a%ja(i1:i2))
|
|
|
|
|
!!$ if (ip>0) then
|
|
|
|
|
!!$ a%val(i1+ip-1) = val(i)
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ info = i
|
|
|
|
|
!!$ return
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end do
|
|
|
|
|
!!$
|
|
|
|
|
!!$ case(psbn_dupl_add_)
|
|
|
|
|
!!$ ! Add
|
|
|
|
|
!!$ do i=1, nz
|
|
|
|
|
!!$ ir = ia(i)
|
|
|
|
|
!!$ ic = ja(i)
|
|
|
|
|
!!$ if ((ir > 0).and.(ir <= a%m)) then
|
|
|
|
|
!!$
|
|
|
|
|
!!$ if (ir /= ilr) then
|
|
|
|
|
!!$ i1 = psb_ibsrch(ir,nnz,a%ia)
|
|
|
|
|
!!$ i2 = i1
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i2+1 > nnz) exit
|
|
|
|
|
!!$ if (a%ia(i2+1) /= a%ia(i2)) exit
|
|
|
|
|
!!$ i2 = i2 + 1
|
|
|
|
|
!!$ end do
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i1-1 < 1) exit
|
|
|
|
|
!!$ if (a%ia(i1-1) /= a%ia(i1)) exit
|
|
|
|
|
!!$ i1 = i1 - 1
|
|
|
|
|
!!$ end do
|
|
|
|
|
!!$ ilr = ir
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ i1 = 1
|
|
|
|
|
!!$ i2 = 1
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ nc = i2-i1+1
|
|
|
|
|
!!$ ip = psb_issrch(ic,nc,a%ja(i1:i2))
|
|
|
|
|
!!$ if (ip>0) then
|
|
|
|
|
!!$ a%val(i1+ip-1) = a%val(i1+ip-1) + val(i)
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ info = i
|
|
|
|
|
!!$ return
|
|
|
|
|
!!$ 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
|
|
|
|
|
!!$
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$
|
|
|
|
|
!!$ end subroutine d_csr_srch_upd
|
|
|
|
|
!!$
|
|
|
|
|
!!$#else
|
|
|
|
|
subroutine d_csr_srch_upd(nz,ia,ja,val,&
|
|
|
|
|
& airp,aja,aval,dupl,nza,nra,&
|
|
|
|
|
& info,gtl)
|
|
|
|
|
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
use psb_sort_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
integer, intent(inout) :: airp(:),aja(:)
|
|
|
|
|
real(psb_dpk_), intent(inout) :: aval(:)
|
|
|
|
|
integer, intent(in) :: nz, dupl,nza, nra
|
|
|
|
|
integer, intent(in) :: ia(:),ja(:)
|
|
|
|
|
real(psb_dpk_), intent(in) :: val(:)
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: gtl(:)
|
|
|
|
|
|
|
|
|
|
integer :: debug_level, debug_unit
|
|
|
|
|
character(len=20) :: name='d_csr_srch_upd'
|
|
|
|
|
integer :: i,ir,ic, ilr, ilc, ip, &
|
|
|
|
|
& i1,i2,nc,lb,ub,m, ng
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
debug_unit = psb_get_debug_unit()
|
|
|
|
|
debug_level = psb_get_debug_level()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (present(gtl)) then
|
|
|
|
|
ng = size(gtl)
|
|
|
|
|
|
|
|
|
|
select case(dupl)
|
|
|
|
|
case(psbn_dupl_ovwrt_,psbn_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 <= a%m)) then
|
|
|
|
|
i1 = airp(ir)
|
|
|
|
|
i2 = airp(ir+1)
|
|
|
|
|
nc=i2-i1
|
|
|
|
|
|
|
|
|
|
ip = psb_ibsrch(ic,nc,aja(i1:i2-1))
|
|
|
|
|
if (ip>0) then
|
|
|
|
|
aval(i1+ip-1) = val(i)
|
|
|
|
|
else
|
|
|
|
|
if (debug_level >= psb_debug_serial_) &
|
|
|
|
|
& write(debug_unit,*) trim(name),&
|
|
|
|
|
& ': Was searching ',ic,' in: ',i1,i2,&
|
|
|
|
|
& ' : ',aja(i1:i2-1)
|
|
|
|
|
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(psbn_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 <= a%m)) then
|
|
|
|
|
i1 = airp(ir)
|
|
|
|
|
i2 = airp(ir+1)
|
|
|
|
|
nc = i2-i1
|
|
|
|
|
ip = psb_ibsrch(ic,nc,aja(i1:i2-1))
|
|
|
|
|
if (ip>0) then
|
|
|
|
|
aval(i1+ip-1) = aval(i1+ip-1) + val(i)
|
|
|
|
|
else
|
|
|
|
|
if (debug_level >= psb_debug_serial_) &
|
|
|
|
|
& write(debug_unit,*) trim(name),&
|
|
|
|
|
& ': Was searching ',ic,' in: ',i1,i2,&
|
|
|
|
|
& ' : ',aja(i1:i2-1)
|
|
|
|
|
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(psbn_dupl_ovwrt_,psbn_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 <= a%m)) then
|
|
|
|
|
|
|
|
|
|
i1 = airp(ir)
|
|
|
|
|
i2 = airp(ir+1)
|
|
|
|
|
nc=i2-i1
|
|
|
|
|
|
|
|
|
|
ip = psb_ibsrch(ic,nc,aja(i1:i2-1))
|
|
|
|
|
if (ip>0) then
|
|
|
|
|
aval(i1+ip-1) = val(i)
|
|
|
|
|
else
|
|
|
|
|
if (debug_level >= psb_debug_serial_) &
|
|
|
|
|
& write(debug_unit,*) trim(name),&
|
|
|
|
|
& ': Was searching ',ic,' in: ',i1,i2,&
|
|
|
|
|
& ' : ',aja(i1:i2-1)
|
|
|
|
|
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(psbn_dupl_add_)
|
|
|
|
|
! Add
|
|
|
|
|
ilr = -1
|
|
|
|
|
ilc = -1
|
|
|
|
|
do i=1, nz
|
|
|
|
|
ir = ia(i)
|
|
|
|
|
ic = ja(i)
|
|
|
|
|
if ((ir > 0).and.(ir <= a%m)) then
|
|
|
|
|
i1 = airp(ir)
|
|
|
|
|
i2 = airp(ir+1)
|
|
|
|
|
nc = i2-i1
|
|
|
|
|
ip = psb_ibsrch(ic,nc,aja(i1:i2-1))
|
|
|
|
|
if (ip>0) then
|
|
|
|
|
aval(i1+ip-1) = aval(i1+ip-1) + 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 d_csr_srch_upd
|
|
|
|
|
!!$#endif
|
|
|
|
|
end subroutine d_csr_csins
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine d_csr_csmv(alpha,a,x,beta,y,info,trans)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
class(psbn_d_csr_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
|
|
|
|
|
logical :: tra
|
|
|
|
|
Integer :: err_act
|
|
|
|
|
character(len=20) :: name='d_csr_csmv'
|
|
|
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
info = 0
|
|
|
|
|
|
|
|
|
|
if (present(trans)) then
|
|
|
|
|
trans_ = trans
|
|
|
|
|
else
|
|
|
|
|
trans_ = 'N'
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (.not.a%is_asb()) then
|
|
|
|
|
write(0,*) 'Error: csmv called on an unassembled mat'
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tra = ((trans_=='T').or.(trans_=='t'))
|
|
|
|
|
|
|
|
|
|
if (tra) then
|
|
|
|
|
m = a%get_ncols()
|
|
|
|
|
n = a%get_nrows()
|
|
|
|
|
else
|
|
|
|
|
n = a%get_ncols()
|
|
|
|
|
m = a%get_nrows()
|
|
|
|
|
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 (.not.tra) then
|
|
|
|
|
|
|
|
|
|
if (beta == dzero) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
else if (beta == done) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = y(i) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = y(i) -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = y(i) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (beta == -done) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = -y(i) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = -y(i) -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = -y(i) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = beta*y(i) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = beta*y(i) - acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j))
|
|
|
|
|
enddo
|
|
|
|
|
y(i) = beta*y(i) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (tra) then
|
|
|
|
|
|
|
|
|
|
if (beta == dzero) then
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i) = dzero
|
|
|
|
|
end do
|
|
|
|
|
else if (beta == done) then
|
|
|
|
|
! Do nothing
|
|
|
|
|
else if (beta == -done) then
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i) = -y(i)
|
|
|
|
|
end do
|
|
|
|
|
else
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i) = beta*y(i)
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (alpha.eq.done) then
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir) = y(ir) + a%val(j)*x(i)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
else if (alpha.eq.-done) then
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir) = y(ir) - a%val(j)*x(i)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir) = y(ir) + alpha*a%val(j)*x(i)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, min(m,n)
|
|
|
|
|
y(i) = y(i) + alpha*x(i)
|
|
|
|
|
end do
|
|
|
|
|
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 d_csr_csmv
|
|
|
|
|
|
|
|
|
|
subroutine d_csr_csmm(alpha,a,x,beta,y,info,trans)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
class(psbn_d_csr_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, nc
|
|
|
|
|
real(psb_dpk_), allocatable :: acc(:)
|
|
|
|
|
logical :: tra
|
|
|
|
|
Integer :: err_act
|
|
|
|
|
character(len=20) :: name='d_csr_csmm'
|
|
|
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
if (present(trans)) then
|
|
|
|
|
trans_ = trans
|
|
|
|
|
else
|
|
|
|
|
trans_ = 'N'
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
tra = ((trans_=='T').or.(trans_=='t'))
|
|
|
|
|
if (.not.a%is_asb()) then
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if (tra) then
|
|
|
|
|
m = a%get_ncols()
|
|
|
|
|
n = a%get_nrows()
|
|
|
|
|
else
|
|
|
|
|
n = a%get_ncols()
|
|
|
|
|
m = a%get_nrows()
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
nc = min(size(x,2) , size(y,2) )
|
|
|
|
|
|
|
|
|
|
allocate(acc(nc), stat=info)
|
|
|
|
|
if(info /= 0) then
|
|
|
|
|
info=4010
|
|
|
|
|
call psb_errpush(info,name,a_err='allocate')
|
|
|
|
|
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 (.not.tra) then
|
|
|
|
|
|
|
|
|
|
if (beta == dzero) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
else if (beta == done) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = y(i,:) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = y(i,:) -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = y(i,:) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (beta == -done) then
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = -y(i,:) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = -y(i,:) -acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = -y(i,:) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
if (alpha == done) then
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = beta*y(i,:) + acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else if (alpha == -done) then
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = beta*y(i,:) - acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,m
|
|
|
|
|
acc = zero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j) * x(a%ja(j),:)
|
|
|
|
|
enddo
|
|
|
|
|
y(i,:) = beta*y(i,:) + alpha*acc
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (tra) then
|
|
|
|
|
|
|
|
|
|
if (beta == dzero) then
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i,:) = dzero
|
|
|
|
|
end do
|
|
|
|
|
else if (beta == done) then
|
|
|
|
|
! Do nothing
|
|
|
|
|
else if (beta == -done) then
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i,:) = -y(i,:)
|
|
|
|
|
end do
|
|
|
|
|
else
|
|
|
|
|
do i=1, m
|
|
|
|
|
y(i,:) = beta*y(i,:)
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (alpha.eq.done) then
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir,:) = y(ir,:) + a%val(j)*x(i,:)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
else if (alpha.eq.-done) then
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir,:) = y(ir,:) - a%val(j)*x(i,:)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
do i=1,n
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
ir = a%ja(j)
|
|
|
|
|
y(ir,:) = y(ir,:) + alpha*a%val(j)*x(i,:)
|
|
|
|
|
end do
|
|
|
|
|
enddo
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, min(m,n)
|
|
|
|
|
y(i,:) = y(i,:) + alpha*x(i,:)
|
|
|
|
|
end do
|
|
|
|
|
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 d_csr_csmm
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine d_csr_cssv(alpha,a,x,beta,y,info,trans)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
class(psbn_d_csr_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_csr_cssv'
|
|
|
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
if (present(trans)) then
|
|
|
|
|
trans_ = trans
|
|
|
|
|
else
|
|
|
|
|
trans_ = 'N'
|
|
|
|
|
end if
|
|
|
|
|
if (.not.a%is_asb()) then
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
tra = ((trans_=='T').or.(trans_=='t'))
|
|
|
|
|
m = a%get_nrows()
|
|
|
|
|
|
|
|
|
|
if (.not. (a%is_triangle())) then
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
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_csrsv(tra,a,x,y)
|
|
|
|
|
do i = 1, m
|
|
|
|
|
y(i) = alpha*y(i)
|
|
|
|
|
end do
|
|
|
|
|
else
|
|
|
|
|
allocate(tmp(m), stat=info)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Memory allocation error in CSRSV '
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
tmp(1:m) = x(1:m)
|
|
|
|
|
call inner_csrsv(tra,a,tmp,y)
|
|
|
|
|
do i = 1, m
|
|
|
|
|
y(i) = alpha*tmp(i) + beta*y(i)
|
|
|
|
|
end do
|
|
|
|
|
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_csrsv(tra,a,x,y)
|
|
|
|
|
logical, intent(in) :: tra
|
|
|
|
|
class(psbn_d_csr_sparse_mat), intent(in) :: a
|
|
|
|
|
real(psb_dpk_), intent(in) :: x(:)
|
|
|
|
|
real(psb_dpk_), intent(out) :: y(:)
|
|
|
|
|
|
|
|
|
|
integer :: i,j,k,m, ir, jc
|
|
|
|
|
real(psb_dpk_) :: acc
|
|
|
|
|
|
|
|
|
|
if (.not.tra) then
|
|
|
|
|
|
|
|
|
|
if (a%is_lower()) then
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j))
|
|
|
|
|
end do
|
|
|
|
|
y(i) = x(i) - acc
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-2
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j))
|
|
|
|
|
end do
|
|
|
|
|
y(i) = (x(i) - acc)/a%val(a%irp(i+1)-1)
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
else if (a%is_upper()) then
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j))
|
|
|
|
|
end do
|
|
|
|
|
y(i) = x(i) - acc
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i)+1, a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j))
|
|
|
|
|
end do
|
|
|
|
|
y(i) = (x(i) - acc)/a%val(a%irp(i))
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (tra) then
|
|
|
|
|
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
y(i) = x(i)
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
if (a%is_lower()) then
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = y(i)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc) = y(jc) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
y(i) = y(i)/a%val(a%irp(i+1)-1)
|
|
|
|
|
acc = y(i)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-2
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc) = y(jc) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
else if (a%is_upper()) then
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = y(i)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc) = y(jc) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
y(i) = y(i)/a%val(a%irp(i))
|
|
|
|
|
acc = y(i)
|
|
|
|
|
do j=a%irp(i)+1, a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc) = y(jc) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine inner_csrsv
|
|
|
|
|
|
|
|
|
|
end subroutine d_csr_cssv
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine d_csr_cssm(alpha,a,x,beta,y,info,trans)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
class(psbn_d_csr_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, nc
|
|
|
|
|
real(psb_dpk_) :: acc
|
|
|
|
|
real(psb_dpk_), allocatable :: tmp(:,:)
|
|
|
|
|
logical :: tra
|
|
|
|
|
Integer :: err_act
|
|
|
|
|
character(len=20) :: name='d_base_csmm'
|
|
|
|
|
logical, parameter :: debug=.false.
|
|
|
|
|
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
if (present(trans)) then
|
|
|
|
|
trans_ = trans
|
|
|
|
|
else
|
|
|
|
|
trans_ = 'N'
|
|
|
|
|
end if
|
|
|
|
|
if (.not.a%is_asb()) then
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tra = ((trans_=='T').or.(trans_=='t'))
|
|
|
|
|
m = a%get_nrows()
|
|
|
|
|
nc = min(size(x,2) , size(y,2))
|
|
|
|
|
|
|
|
|
|
if (.not. (a%is_triangle())) then
|
|
|
|
|
write(0,*) 'Called SM on a non-triangular mat!'
|
|
|
|
|
info = 1121
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
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_csrsm(tra,a,x,y,info)
|
|
|
|
|
do i = 1, m
|
|
|
|
|
y(i,:) = alpha*y(i,:)
|
|
|
|
|
end do
|
|
|
|
|
else
|
|
|
|
|
allocate(tmp(m,nc), stat=info)
|
|
|
|
|
if(info /= 0) then
|
|
|
|
|
info=4010
|
|
|
|
|
call psb_errpush(info,name,a_err='allocate')
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
tmp(1:m,:) = x(1:m,:)
|
|
|
|
|
call inner_csrsm(tra,a,tmp,y,info)
|
|
|
|
|
do i = 1, m
|
|
|
|
|
y(i,:) = alpha*tmp(i,:) + beta*y(i,:)
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if(info /= 0) then
|
|
|
|
|
info=4010
|
|
|
|
|
call psb_errpush(info,name,a_err='inner_csrsm')
|
|
|
|
|
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 inner_csrsm(tra,a,x,y,info)
|
|
|
|
|
logical, intent(in) :: tra
|
|
|
|
|
class(psbn_d_csr_sparse_mat), intent(in) :: a
|
|
|
|
|
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_), allocatable :: acc(:)
|
|
|
|
|
|
|
|
|
|
allocate(acc(size(x,2)), stat=info)
|
|
|
|
|
if(info /= 0) then
|
|
|
|
|
info=4010
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if (.not.tra) then
|
|
|
|
|
|
|
|
|
|
if (a%is_lower()) then
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j),:)
|
|
|
|
|
end do
|
|
|
|
|
y(i,:) = x(i,:) - acc
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-2
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j),:)
|
|
|
|
|
end do
|
|
|
|
|
y(i,:) = (x(i,:) - acc)/a%val(a%irp(i+1)-1)
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
else if (a%is_upper()) then
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j),:)
|
|
|
|
|
end do
|
|
|
|
|
y(i,:) = x(i,:) - acc
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = dzero
|
|
|
|
|
do j=a%irp(i)+1, a%irp(i+1)-1
|
|
|
|
|
acc = acc + a%val(j)*x(a%ja(j),:)
|
|
|
|
|
end do
|
|
|
|
|
y(i,:) = (x(i,:) - acc)/a%val(a%irp(i))
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
else if (tra) then
|
|
|
|
|
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
y(i,:) = x(i,:)
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
if (a%is_lower()) then
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
acc = y(i,:)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc,:) = y(jc,:) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=a%get_nrows(), 1, -1
|
|
|
|
|
y(i,:) = y(i,:)/a%val(a%irp(i+1)-1)
|
|
|
|
|
acc = y(i,:)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-2
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc,:) = y(jc,:) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
else if (a%is_upper()) then
|
|
|
|
|
|
|
|
|
|
if (a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
acc = y(i,:)
|
|
|
|
|
do j=a%irp(i), a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc,:) = y(jc,:) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
else if (.not.a%is_unit()) then
|
|
|
|
|
do i=1, a%get_nrows()
|
|
|
|
|
y(i,:) = y(i,:)/a%val(a%irp(i))
|
|
|
|
|
acc = y(i,:)
|
|
|
|
|
do j=a%irp(i)+1, a%irp(i+1)-1
|
|
|
|
|
jc = a%ja(j)
|
|
|
|
|
y(jc,:) = y(jc,:) - a%val(j)*acc
|
|
|
|
|
end do
|
|
|
|
|
end do
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine inner_csrsm
|
|
|
|
|
|
|
|
|
|
end subroutine d_csr_cssm
|
|
|
|
|
|
|
|
|
|
end module psbn_d_csr_sparse_mat_mod
|
|
|
|
|
|
