Fix the autocorrection normalized score calculation

        return 0.0f;

        return 0.0f;

    }

    }

    if (score <= 0 || distance >= afterLength) {

        // normalizedScore must be 0.0f (the minimum value) if the score is less than or equal to 0,

        // or if the edit distance is larger than or equal to afterLength.

        return 0.0f;

    }

    // add a weight based on edit distance.

    // add a weight based on edit distance.

    // distance <= max(afterLength, beforeLength) == afterLength,

    // so, 0 <= distance / afterLength <= 1

    const float weight = 1.0f - static_cast<float>(distance) / static_cast<float>(afterLength);

    const float weight = 1.0f - static_cast<float>(distance) / static_cast<float>(afterLength);

    // TODO: Revise the following logic thoroughly by referring to...

    // TODO: Revise the following logic thoroughly by referring to...