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! { dg-do compile }

!

! PR fortran/30073

! PR fortran/43793

!

! Original code by Joost VandeVondele

! Reduced and corrected code by Steven G. Kargl

!

module fft_tools

  implicit none

  integer, parameter :: lp = 8

contains

  subroutine sparse_alltoall (rs, rq, rcount)

    complex(kind=lp), dimension(:, :), pointer :: rs, rq

    integer, dimension(:) :: rcount

    integer :: pos

    pos = 1

    if (rcount(pos) /= 0) then

       rq(1:rcount(pos),pos) = rs(1:rcount(pos),pos)

    end if

  end subroutine sparse_alltoall

end module fft_tools

! { dg-final { cleanup-modules "fft_tools" } }