1 c---------------------------------------------------------------------
3 c First and last RESPA step (incrementing velocities using long-range
5 implicit real*8 (a-h,o-z)
7 include 'COMMON.CONTROL'
10 include 'COMMON.CHAIN'
11 include 'COMMON.DERIV'
13 include 'COMMON.LOCAL'
14 include 'COMMON.INTERACT'
15 include 'COMMON.IOUNITS'
16 include 'COMMON.NAMES'
18 d_t(j,0)=d_t(j,0)+0.5d0*d_a(j,0)*d_time
22 d_t(j,i)=d_t(j,i)+0.5d0*d_a(j,i)*d_time
26 if (itype(i).ne.10) then
29 d_t(j,inres)=d_t(j,inres)+0.5d0*d_a(j,inres)*d_time