void read(XMLReader& xml, const string& path, Param_t& param)
void read(XMLReader& xml, const string& path, Test_input_t& input)
void read(XMLReader& xml, const string& path, Param_t& param){  XMLReader paramtop(xml, path);  read(paramtop, "nrow", param.nrow);  read(paramtop, "boundary", param.boundary);  read(paramtop, "InvertParam", param.invParam);}