Merge branch 'master' into symbolic-atom-constants

src/comm_tiled.cpp

@@ -2257,8 +2257,8 @@ void CommTiled::deallocate_swap(int n)
    return # of bytes of allocated memory
 ------------------------------------------------------------------------- */
 
-bigint CommTiled::memory_usage()
+double CommTiled::memory_usage()
 {
-  bigint bytes = 0;
+  double bytes = 0;
   return bytes;
 }