Updating to master

src/pair.cpp

@@ -1837,9 +1837,9 @@ void Pair::hessian_twobody(double fforce, double dfac, double delr[3], double ph
 
 double Pair::memory_usage()
 {
-  double bytes = comm->nthreads*maxeatom * sizeof(double);
-  bytes += comm->nthreads*maxvatom*6 * sizeof(double);
-  bytes += comm->nthreads*maxcvatom*9 * sizeof(double);
+  double bytes = (double)comm->nthreads*maxeatom * sizeof(double);
+  bytes += (double)comm->nthreads*maxvatom*6 * sizeof(double);
+  bytes += (double)comm->nthreads*maxcvatom*9 * sizeof(double);
   return bytes;
 }