code style Update Phpml\Math\Distance\Manhattan::distance() method. (#154)
code style Update Phpml\Math\Distance\Manhattan::distance() method. (#154)

I think this will be better.
ekojs/php-ml,MustafaKarabulut/php-ml,MustafaKarabulut/php-ml,php-ai/php-ml,php-ai/php-ml,ekojs/php-ml