+c Compute the standard deviations of stochastic forces for Langevin dynamics
+c if the friction coefficients do not depend on surface area
+ if (lang.gt.0 .and. .not.surfarea) then
+ do i=nnt,nct-1
+ stdforcp(i)=stdfp*dsqrt(gamp)
+ enddo
+ do i=nnt,nct
+ if (itype(i).ne.ntyp1) stdforcsc(i)=stdfsc(iabs(itype(i)))
+ & *dsqrt(gamsc(iabs(itype(i))))
+ enddo
+ endif
+