void read(XMLReader& xml, const string& path, Param_t& input)
void read(XMLReader& xml, const string& path, Param_t& param)
void read(XMLReader& xml, const string& path, Param_t& input){  XMLReader paramtop(xml, path);  int version;  read(paramtop, "version", version);  switch (version)   {    /**************************************************************************/  case 1:    break;  default:    /**************************************************************************/    QDPIO::cerr << "Input parameter version " << version 		<< " unsupported." << endl;    QDP_abort(1);  }  read(paramtop, "mom2_max", param.mom2_max);  read(paramtop, "formfac_type", param.formfac_type);  read(paramtop, "nrow", param.nrow);}