subroutine cyclicqi
use modglobal, only:ib, ie, jb, je, ih, jh, kb, ke, kh, nsv, dt, rk3step, dxhi, ihc, jhc, khc, dy
use modfields, only:qt0, qtm
integer m
do m = 1, ih
qt0(ib - m, :, :) = qt0(ie + 1 - m, :, :)
qt0(ie + m, :, :) = qt0(ib - 1 + m, :, :)
qtm(ib - m, :, :) = qtm(ie + 1 - m, :, :)
qtm(ie + m, :, :) = qtm(ib - 1 + m, :, :)
end do
return
end subroutine cyclicqi