diff --git a/src/fix_store.cpp b/src/fix_store.cpp
index ed0586cba..110b9a275 100644
--- a/src/fix_store.cpp
+++ b/src/fix_store.cpp
@@ -1,324 +1,324 @@
 /* ----------------------------------------------------------------------
    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
    http://lammps.sandia.gov, Sandia National Laboratories
    Steve Plimpton, sjplimp@sandia.gov
 
    Copyright (2003) Sandia Corporation.  Under the terms of Contract
    DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
    certain rights in this software.  This software is distributed under
    the GNU General Public License.
 
    See the README file in the top-level LAMMPS directory.
 ------------------------------------------------------------------------- */
 
 #include <stdlib.h>
 #include <string.h>
 #include "fix_store.h"
 #include "atom.h"
 #include "comm.h"
 #include "force.h"
 #include "memory.h"
 #include "error.h"
 
 using namespace LAMMPS_NS;
 using namespace FixConst;
 
 enum{GLOBAL,PERATOM};
 
 /* ---------------------------------------------------------------------- */
 
 FixStore::FixStore(LAMMPS *lmp, int narg, char **arg) : Fix(lmp, narg, arg)
 {
   if (narg != 6) error->all(FLERR,"Illegal fix store command");
 
   // 4th arg determines GLOBAL vs PERATOM values
   // syntax: id group style global nrow ncol
   //   Nrow by Ncol array of global values
   //   Ncol = 1 is vector, Nrow > 1 is array
   // syntax: id group style peratom 0/1 nvalue
   //   0/1 flag = not-store or store peratom values in restart file
   //   nvalue = # of peratom values, N = 1 is vector, N > 1 is array
 
   if (strcmp(arg[3],"global") == 0) flavor = GLOBAL;
   else if (strcmp(arg[3],"peratom") == 0) flavor = PERATOM;
   else error->all(FLERR,"Invalid fix store command");
 
   // GLOBAL values are always written to restart file
   // PERATOM restart_peratom is set by caller
 
   if (flavor == GLOBAL) {
     restart_global = 1;
     nrow = force->inumeric(FLERR,arg[4]);
     ncol = force->inumeric(FLERR,arg[5]);
     if (nrow <= 0 || ncol <= 0)
       error->all(FLERR,"Invalid fix store command");
     vecflag = 0;
     if (ncol == 1) vecflag = 1;
   }
   if (flavor == PERATOM) {
     restart_peratom = force->inumeric(FLERR,arg[4]);
     nvalues = force->inumeric(FLERR,arg[5]);
     if (restart_peratom < 0 or restart_peratom > 1 || nvalues <= 0)
       error->all(FLERR,"Invalid fix store command");
     vecflag = 0;
     if (nvalues == 1) vecflag = 1;
   }
 
   vstore = NULL;
   astore = NULL;
 
   // allocate vector or array and restart buffer rbuf
   // for PERATOM, register with Atom class
 
   if (flavor == GLOBAL) {
     if (vecflag) memory->create(vstore,nrow,"fix/store:vstore");
     else memory->create(astore,nrow,ncol,"fix/store:astore");
     memory->create(rbuf,nrow*ncol+2,"fix/store:rbuf");
   }
   if (flavor == PERATOM) {
     grow_arrays(atom->nmax);
     atom->add_callback(0);
     if (restart_peratom) atom->add_callback(1);
     rbuf = NULL;
   }
 
   // zero the storage
   // PERATOM may be comm->exchanged before filled by caller
 
   if (flavor == GLOBAL) {
     if (vecflag)
       for (int i = 0; i < nrow; i++) vstore[i] = 0.0;
     else
       for (int i = 0; i < nrow; i++)
         for (int j = 0; j < ncol; j++)
           astore[i][j] = 0.0;
   }
   if (flavor == PERATOM) {
     int nlocal = atom->nlocal;
     if (vecflag)
       for (int i = 0; i < nlocal; i++) vstore[i] = 0.0;
     else
       for (int i = 0; i < nlocal; i++)
         for (int j = 0; j < nvalues; j++)
           astore[i][j] = 0.0;
   }
 
 }
 
 /* ---------------------------------------------------------------------- */
 
 FixStore::~FixStore()
 {
   // unregister callbacks to this fix from Atom class
 
   if (flavor == PERATOM) {
     atom->delete_callback(id,0);
     if (restart_peratom) atom->delete_callback(id,1);
   }
 
   memory->destroy(vstore);
   memory->destroy(astore);
   memory->destroy(rbuf);
 }
 
 /* ---------------------------------------------------------------------- */
 
 int FixStore::setmask()
 {
   int mask = 0;
   return mask;
 }
 
 /* ----------------------------------------------------------------------
    reset size of global vector/array
    invoked by caller if size is unknown at time this fix is instantiated
    caller will do subsequent initialization
 ------------------------------------------------------------------------- */
 
 void FixStore::reset_global(int nrow_caller, int ncol_caller)
 {
   memory->destroy(vstore);
   memory->destroy(astore);
   memory->destroy(rbuf);
   vstore = NULL;
   astore = NULL;
 
   vecflag = 0;
   if (ncol_caller == 1) vecflag = 1;
   nrow = nrow_caller;
   ncol = ncol_caller;
   if (vecflag) memory->create(vstore,nrow,"fix/store:vstore");
   else memory->create(astore,nrow,ncol,"fix/store:astore");
   memory->create(rbuf,nrow*ncol+2,"fix/store:rbuf");
 }
 
 /* ----------------------------------------------------------------------
    write global array to restart file
 ------------------------------------------------------------------------- */
 
 void FixStore::write_restart(FILE *fp)
 {
   // fill rbuf with size and vec/array values
 
   rbuf[0] = nrow;
   rbuf[1] = ncol;
   if (vecflag) memcpy(&rbuf[2],vstore,nrow*sizeof(double));
   else memcpy(&rbuf[2],&astore[0][0],nrow*ncol*sizeof(double));
 
   int n = nrow*ncol + 2;
   if (comm->me == 0) {
     int size = n * sizeof(double);
     fwrite(&size,sizeof(int),1,fp);
     fwrite(rbuf,sizeof(double),n,fp);
   }
 }
 
 /* ----------------------------------------------------------------------
    use global array from restart file to restart the Fix
 ------------------------------------------------------------------------- */
 
 void FixStore::restart(char *buf)
 {
   // first 2 values in buf are vec/array sizes
 
   double *dbuf = (double *) buf;
   int nrow_restart = dbuf[0];
   int ncol_restart = dbuf[1];
 
   // if size of vec/array has changed,
   //   means the restart file is setting size of vec or array and doing init
   //   because caller did not know size at time this fix was instantiated
   // reallocate vstore or astore accordingly
 
   if (nrow != nrow_restart || ncol != ncol_restart) {
     memory->destroy(vstore);
     memory->destroy(astore);
     memory->destroy(rbuf);
     vstore = NULL;
     astore = NULL;
 
     vecflag = 0;
     if (ncol_restart == 1) vecflag = 1;
     nrow = nrow_restart;
     ncol = ncol_restart;
     if (vecflag) memory->create(vstore,nrow,"fix/store:vstore");
     else memory->create(astore,nrow,ncol,"fix/store:astore");
     memory->create(rbuf,nrow*ncol+2,"fix/store:rbuf");
   }
 
   int n = nrow*ncol;
   if (vecflag) memcpy(vstore,&dbuf[2],n*sizeof(double));
   else memcpy(&astore[0][0],&dbuf[2],n*sizeof(double));
 }
 
 /* ----------------------------------------------------------------------
    allocate atom-based array
 ------------------------------------------------------------------------- */
 
 void FixStore::grow_arrays(int nmax)
 {
   if (vecflag) memory->grow(vstore,nmax,"store:vstore");
   else memory->grow(astore,nmax,nvalues,"store:astore");
 }
 
 /* ----------------------------------------------------------------------
    copy values within local atom-based array
 ------------------------------------------------------------------------- */
 
 void FixStore::copy_arrays(int i, int j, int delflag)
 {
   if (vecflag) vstore[j] = vstore[i];
   else
     for (int m = 0; m < nvalues; m++)
       astore[j][m] = astore[i][m];
 }
 
 /* ----------------------------------------------------------------------
    pack values in local atom-based array for exchange with another proc
 ------------------------------------------------------------------------- */
 
 int FixStore::pack_exchange(int i, double *buf)
 {
   if (vecflag) buf[0] = vstore[i];
   else
     for (int m = 0; m < nvalues; m++)
       buf[m] = astore[i][m];
   return nvalues;
 }
 
 /* ----------------------------------------------------------------------
    unpack values in local atom-based array from exchange with another proc
 ------------------------------------------------------------------------- */
 
 int FixStore::unpack_exchange(int nlocal, double *buf)
 {
   if (vecflag) vstore[nlocal] = buf[0];
   else
     for (int m = 0; m < nvalues; m++)
       astore[nlocal][m] = buf[m];
   return nvalues;
 }
 
 /* ----------------------------------------------------------------------
    pack values in local atom-based arrays for restart file
 ------------------------------------------------------------------------- */
 
 int FixStore::pack_restart(int i, double *buf)
 {
   buf[0] = nvalues+1;
   if (vecflag) buf[1] = vstore[i];
   else
     for (int m = 0; m < nvalues; m++)
       buf[m+1] = astore[i][m];
   return nvalues+1;
 }
 
 /* ----------------------------------------------------------------------
    unpack values from atom->extra array to restart the fix
 ------------------------------------------------------------------------- */
 
 void FixStore::unpack_restart(int nlocal, int nth)
 {
   double **extra = atom->extra;
 
   // skip to Nth set of extra values
 
   int m = 0;
   for (int i = 0; i < nth; i++) m += static_cast<int> (extra[nlocal][m]);
   m++;
 
   if (vecflag) vstore[nlocal] = extra[nlocal][m];
   else
     for (int i = 0; i < nvalues; i++)
       astore[nlocal][i] = extra[nlocal][m++];
 }
 
 /* ----------------------------------------------------------------------
    maxsize of any atom's restart data
 ------------------------------------------------------------------------- */
 
 int FixStore::maxsize_restart()
 {
   return nvalues+1;
 }
 
 /* ----------------------------------------------------------------------
    size of atom nlocal's restart data
 ------------------------------------------------------------------------- */
 
 int FixStore::size_restart(int nlocal)
 {
   return nvalues+1;
 }
 
 /* ----------------------------------------------------------------------
    memory usage of local atom-based array
 ------------------------------------------------------------------------- */
 
 double FixStore::memory_usage()
 {
-  double bytes;
+  double bytes = 0.0;
   if (flavor == GLOBAL) bytes += nrow*ncol * sizeof(double);
   if (flavor == PERATOM) bytes += atom->nmax*nvalues * sizeof(double);
   return bytes;
 }