double precision vbldp0,vbldsc0,akp,aksc,abond0,distchainmax
integer nbondterm
common /stretch/ vbldp0,vbldsc0(maxbondterm,ntyp),akp,
& aksc(maxbondterm,ntyp),abond0(maxbondterm,ntyp),
& distchainmax,nbondterm(ntyp)
double precision vbldp0,vbldsc0,akp,aksc,abond0,distchainmax
integer nbondterm
common /stretch/ vbldp0,vbldsc0(maxbondterm,ntyp),akp,
& aksc(maxbondterm,ntyp),abond0(maxbondterm,ntyp),
& distchainmax,nbondterm(ntyp)