length.dart

    final time1 = DateTime.now();
    for (int i = 0; i < 1000000; i++) {
      final order = (log(69123.65) / log(10) + 1).floor();

      final val = (69123.56 - 215.34) / pow(10, (order - 3));
      final fin = val.round();
    }
    final time1end = DateTime.now();
    print(time1end.difference(time1));

    final time1a = DateTime.now();
    for (int i = 0; i < 1000000; i++) {
      final order = (log(69123.65) / ln10).floor() + 1;

      final val = (69123.56 - 215.34) / pow(10, (order - 3));
      final fin = val.round();
    }
    final time1aend = DateTime.now();
    print(time1aend.difference(time1a));

    final time2 = DateTime.now();
    for (int i = 0; i < 1000000; i++) {
      final order = 69123.65.toInt().toString().length;
      final val = (69123.65 - 215.34) / pow(10, (order - 3));
      final fin = val.round();
    }
    final time2end = DateTime.now();
    print(time2end.difference(time2));

    final time3 = DateTime.now();
    for (int i = 0; i < 1000000; i++) {
      final order = 69123.65.toInt().bitLength ~/ 3;
      final val = (69123.65 - 215.34) / pow(10, (order - 3));
      final fin = val.round();
    }
    final time3end = DateTime.now();
    print(time3end.difference(time3));