The clearest statement of this I have seen is from the O'Reilly book Practical C Programming : "* and / come before + and -. Use parentheses for everything els

The clearest statement of this I have seen is from the O'Reilly book Practical C Programming : "* and / come before + and -. Use parentheses for everything else." My general rule, on the rare occasions that I actually write code, is the same as for other writing - write to be easily understood by potential readers. You should take a little time and thought to make it easier for someone to follow your work.