real rp,density,band,sep,weight,dmatch,smin
      common /bl16/ rp,density,band,sep,weight,dmatch,smin

      rp = 1.7
      density = 15.0
      band = 1.5
      sep = 8.0
      weight = 0.5

      dmatch = 1.5
      smin = -2.0