From: David Hardy (dhardy_at_ks.uiuc.edu)
Date: Wed Sep 19 2018 - 10:04:28 CDT
Yes, the types presently used in SimParameters limit firsttimestep and numsteps to 2^31-1.
-- David J. Hardy, Ph.D. Beckman Institute University of Illinois at Urbana-Champaign 405 N. Mathews Ave., Urbana, IL 61801 dhardy_at_ks.uiuc.edu, http://www.ks.uiuc.edu/~dhardy/ > On Sep 18, 2018, at 8:42 PM, yjcoshc <yjcoshc_at_gmail.com> wrote: > > Hello everyone, > > I am trying to restart a NAMD simulation which has run for 2133000000 steps. If I set: > > firsttimestep 2133000000 > run 1000000000 > > and then NAMD would run 0 step and exit. I have looked at the NAMD source code and found the type of N and firsttimestep is int, not long long or int64_t. Does that mean the maximum firsttimestep and total steps is the maximum int type integer (2147483647 in gcc)? > > Thanks, > > Haochuan Chen
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