git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7605 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/comm.cpp

@@ -301,6 +301,7 @@ void Comm::init()
   // maxforward = # of datums in largest forward communication
   // maxreverse = # of datums in largest reverse communication
   // query pair,fix,compute,dump for their requirements
+  // pair style can force reverse comm even if newton off
 
   maxforward = MAX(size_forward,size_border);
   maxreverse = size_reverse;
@@ -324,6 +325,7 @@ void Comm::init()
   }
 
   if (force->newton == 0) maxreverse = 0;
+  if (force->pair) maxreverse = MAX(maxreverse,force->pair->comm_reverse_off);
 
   // memory for multi-style communication
 

src/pair.cpp

@@ -47,7 +47,7 @@ Pair::Pair(LAMMPS *lmp) : Pointers(lmp)
 
   eng_vdwl = eng_coul = 0.0;
 
-  comm_forward = comm_reverse = 0;
+  comm_forward = comm_reverse = comm_reverse_off = 0;
 
   single_enable = 1;
   restartinfo = 1;

src/pair.h

@@ -39,6 +39,7 @@ class Pair : protected Pointers {
 
   int comm_forward;              // size of forward communication (0 if none)
   int comm_reverse;              // size of reverse communication (0 if none)
+  int comm_reverse_off;          // size of reverse comm even if newton off
 
   int single_enable;             // 1 if single() routine exists
   int restartinfo;               // 1 if pair style writes restart info

src/pair_hybrid.cpp

@@ -260,11 +260,13 @@ void PairHybrid::settings(int narg, char **arg)
     nstyles++;
   }
 
-  // set comm_forward, comm_reverse to max of any sub-style
+  // set comm_forward, comm_reverse, comm_reverse_off to max of any sub-style
 
   for (m = 0; m < nstyles; m++) {
     if (styles[m]) comm_forward = MAX(comm_forward,styles[m]->comm_forward);
     if (styles[m]) comm_reverse = MAX(comm_reverse,styles[m]->comm_reverse);
+    if (styles[m]) comm_reverse_off = MAX(comm_reverse_off,
+					  styles[m]->comm_reverse_off);
   }
 
   // single_enable = 1 if any sub-style is set