enable write_data for atom styles with bonus data

src/atom_vec_body.cpp

@@ -579,6 +579,45 @@ void AtomVecBody::pack_data_pre(int ilocal)
   else body[ilocal] = 1;
 }
 
+/* ----------------------------------------------------------------------
+   pack bonus body info for writing to data file
+   if buf is NULL, just return count of bodies
+------------------------------------------------------------------------- */
+
+int AtomVecBody::pack_data_bonus(double **buf, int /*flag*/)
+{
+  int i,j;
+  
+  tagint *tag = atom->tag;
+  int nlocal = atom->nlocal;
+
+  // NOTE: needs to call Body sub-class to fill buffer
+
+  int m = 0;
+  for (i = 0; i < nlocal; i++) {
+    if (body[i] < 0) continue;
+    if (buf) {
+      buf[m][0] = ubuf(tag[i]).d;
+      j = body[i];
+    }
+    m++;
+  }
+
+  return m;
+}
+
+/* ----------------------------------------------------------------------
+   write bonus body info to data file
+------------------------------------------------------------------------- */
+
+void AtomVecBody::write_data_bonus(FILE *fp, int n, double **buf, int /*flag*/)
+{
+  // NOTE: needs to call Body sub-class to do the write
+  
+  for (int i = 0; i < n; i++) {
+  }
+}
+
 /* ----------------------------------------------------------------------
    unmodify values packed by AtomVec::pack_data()
 ------------------------------------------------------------------------- */