integer iscode,indpdb,outpdb,outmol2,icomparfunc,pdbint,
- & ensembles
+ & ensembles,constr_dist
logical refstr,pdbref,punch_dist,print_rms,caonly,verbose,
& merge_helices,bxfile,cxfile,histfile,entfile,zscfile,
& rmsrgymap,with_dihed_constr,check_conf,histout
common /cntrl/ iscode,indpdb,refstr,pdbref,outpdb,outmol2,
& punch_dist,print_rms,caonly,verbose,icomparfunc,pdbint,
& merge_helices,bxfile,cxfile,histfile,entfile,zscfile,rmsrgymap,
- & ensembles,with_dihed_constr,check_conf,histout
+ & ensembles,with_dihed_constr,check_conf,histout,constr_dist