program test
 implicit none
  print *,  'HF energy :', HF_energy
  print *,  'ref_bitmask_energy :', ref_bitmask_energy 
  print *,  'mono_elec_ref_bitmask_energy :', mono_elec_ref_bitmask_energy 
  print *,  'kinetic_ref_bitmask_energy :', kinetic_ref_bitmask_energy 
  print *,  'nucl_elec_ref_bitmask_energy :', nucl_elec_ref_bitmask_energy 
  print *,  'bi_elec_ref_bitmask_energy :', bi_elec_ref_bitmask_energy 
end