&input_pw2bgw
   prefix = 'silicon'
   real_or_complex = 1
   wfng_flag = .true.
   wfng_file = 'wfn.real'
   wfng_kgrid = .true.
   wfng_nk1 = 4
   wfng_nk2 = 4
   wfng_nk3 = 4
   vscg_flag = .true.
   vscg_file = 'vsc.real'
   vkbg_flag = .true.
   vkbg_file = 'vkb.complex'
/
