double precision xi,yi,zi,xj,yj,zj,rij,eps0ij,fac,e1,e2,rrij,
& sigij,r0ij,rcut,sqrij,sss1,sssgrad1
double precision fcont,fprimcont
double precision sscale,sscagrad
c write(iout,*)'Entering ELJ nnt=',nnt,' nct=',nct,' expon=',expon
evdw=0.0D0
double precision xi,yi,zi,xj,yj,zj,rij,eps0ij,fac,e1,e2,rrij,
& sigij,r0ij,rcut,sqrij,sss1,sssgrad1
double precision fcont,fprimcont
double precision sscale,sscagrad
c write(iout,*)'Entering ELJ nnt=',nnt,' nct=',nct,' expon=',expon
evdw=0.0D0