! SAXS restraint parameters
      integer nsaxs,saxs_mode
      double precision Psaxs(maxsaxs),distsaxs(maxsaxs),
     & CSAXS(3,maxsaxs),wsaxs0,scal_rad,saxs_cutoff
      common /saxsretr/Psaxs,distsaxs,csaxs,Wsaxs0,scal_rad,saxs_cutoff,
     & nsaxs,saxs_mode