source: imaps-frontend/node_modules/math-intrinsics/sign.js

'use strict';

var $isNaN = require('./isNaN');

/** @type {import('./sign')} */
module.exports = function sign(number) {
        if ($isNaN(number) || number === 0) {
                return number;
        }
        return number < 0 ? -1 : +1;
};