do not run tally callback setup multiple times per time step

src/USER-TALLY/README

@@ -21,7 +21,7 @@ The person who created this package is Axel Kohlmeyer (akohlmey@gmail.com)
 at Temple University with a little help and inspiration from
 Loris Ercole (SISSA/ISAS Trieste), who contributed compute heat/flux/tally.
 
-Additional contributed compute style for this package are welcome.
+Additional contributed compute styles for this package are welcome.
 Please contact Axel, if you have questions about the implementation.
 
 

src/USER-TALLY/compute_force_tally.cpp

@@ -85,6 +85,11 @@ void ComputeForceTally::init()
 
 void ComputeForceTally::pair_setup_callback(int, int)
 {
+  // run setup only once per time step.
+  // we may be called from multiple pair styles
+
+  if (did_setup == update->ntimestep) return;
+
   const int ntotal = atom->nlocal + atom->nghost;
 
   // grow per-atom storage, if needed

src/USER-TALLY/compute_heat_flux_tally.cpp

@@ -87,6 +87,11 @@ void ComputeHeatFluxTally::init()
 /* ---------------------------------------------------------------------- */
 void ComputeHeatFluxTally::pair_setup_callback(int, int)
 {
+  // run setup only once per time step.
+  // we may be called from multiple pair styles
+
+  if (did_setup == update->ntimestep) return;
+
   const int ntotal = atom->nlocal + atom->nghost;
 
   // grow per-atom storage, if needed

src/USER-TALLY/compute_pe_mol_tally.cpp

@@ -82,6 +82,11 @@ void ComputePEMolTally::init()
 
 void ComputePEMolTally::pair_setup_callback(int, int)
 {
+  // run setup only once per time step.
+  // we may be called from multiple pair styles
+
+  if (did_setup == update->ntimestep) return;
+
   etotal[0] = etotal[1] = etotal[2] = etotal[3] = 0.0;
   did_setup = update->ntimestep;
 }

src/USER-TALLY/compute_pe_tally.cpp

@@ -84,6 +84,11 @@ void ComputePETally::init()
 
 void ComputePETally::pair_setup_callback(int, int)
 {
+  // run setup only once per time step.
+  // we may be called from multiple pair styles
+
+  if (did_setup == update->ntimestep) return;
+
   const int ntotal = atom->nlocal + atom->nghost;
 
   // grow per-atom storage, if needed

src/USER-TALLY/compute_stress_tally.cpp

@@ -87,6 +87,11 @@ void ComputeStressTally::init()
 
 void ComputeStressTally::pair_setup_callback(int, int)
 {
+  // run setup only once per time step.
+  // we may be called from multiple pair styles
+
+  if (did_setup == update->ntimestep) return;
+
   const int ntotal = atom->nlocal + atom->nghost;
 
   // grow per-atom storage, if needed