/**
  * @param ssf
  * @param data
  */
 @Override
 public void prepare(final IMSsf ssf, final IMSsfData data) {
   if (m_var.isOpen()) {
     m_fdata.checkSize(data.getCount());
   } else {
     super.clear();
     m_fdata.init(ssf.getStateDim(), data.getVarsCount(), data.getCount());
   }
   m_var.prepare(ssf, data);
 }
 @Override
 public void clear() {
   super.clear();
   m_fdata.clear();
   m_var.clear();
 }