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git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@9827 f3b2605a-c512-4ea7-a41b-209d697bcdaa

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sjplimp
2013-05-08 14:48:08 +00:00
parent b1c03442af
commit 2ea27db3dd
1 changed files with 10 additions and 2 deletions
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12
src/REPLICA/prd.cpp
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@ -569,11 +569,19 @@ int PRD::check_event(int replica_num)
ncoincident = universeflag;
if (!universeflag) ireplica = -1;
else {
// multiple events, choose one at random
// iwhich = random # from 1 to N, N = # of events to choose from
// scanflag = 1 to N on replicas with an event, 0 on non-event replicas
// worldflag = 1 on chosen replica, 0 on all others
if (universeflag > 1) {
int iwhich = static_cast<int>
(universeflag*random_select->uniform()) + 1;
if (me == 0) MPI_Scan(&worldflag,&scanflag,1,
MPI_INT,MPI_SUM,comm_replica);
if (me == 0) {
MPI_Scan(&worldflag,&scanflag,1,MPI_INT,MPI_SUM,comm_replica);
scanflag *= worldflag;
}
MPI_Bcast(&scanflag,1,MPI_INT,0,world);
if (scanflag != iwhich) worldflag = 0;
}