descriptive grammar - A word to describe the act to switch between positive and negative?
I am doing some programming with math. I have written a tidy function which turns any positive number to negative or any negative number to a positive. I would like to name this function in the most informative way so that if someone else were to look at my function; they would understand, straight away, what it does (and expect what it says on the tin). The best word I can come up with is 'flip' but I feel that it fails at being obvious. The function belongs to the Math object so it looks like this: answer = Math.flip(number) The results might be -1 = Math.flip(1) or 1 = Math.flip(-1) How can I best describe this act? Answer invert verb 1.3 chiefly Mathematics Subject to inversion; transform into its inverse. (oxforddictionaries.com) but it has lots of meanings in maths. More precisely, it is the Additive Inverse the additive inverse of a number a is the number that, when added to a, yields zero and not to be confused with Multiplicative Inverse a multiplicative inverse or re...