Function mathModulo

This implementation follows Knuth's definition, mod(a, n) = a - n * floor(a / n), which reflects the mathematical definition of modular arithmetic better than JavasScript's % operator. (The primary difference is in handling negative numbers.) For an implementation of the JavaScript % operator, see modulo.

Example

import * as N from "flurp/number";

const hueIn0to360 = N.mathModulo(360);
hueIn0to360(390);     // 30
hueIn0to360(-60);     // 300