Utils.hh
/**
 * C++11 to_string gives problems with Cygwin, so this is a replacement.
 */
C++11 to_string gives problems with Cygwin, so this is a replacement.
C ++ 11 to_string gives problems with Cygwin so this is a replacement .
inline string int_to_string (int i) {
    ostringstream oss;
    oss << i;
    return oss.str();
}
inline string int_to_string ( int i ) { ostringstream oss ; oss << i ; return oss . str ( ) ; }
C++11 to_string gives problems with Cygwin, so this is a replacement.
C ++ 11 to_string gives problems with Cygwin so this is a replacement .