Function findlastline

src/thundersvm/dataset.cpp:15–18

        instances_(instances), n_features_(n_features), y_(y), total_count_(instances_.size()) {}

inline char *findlastline(char *ptr, char *begin) {
    while (ptr != begin && *ptr != '\n') --ptr;
    return ptr;
}

void DataSet::load_from_file(string file_name) {
    LOG(INFO)<<"loading dataset from file \""<<file_name<<"\"";