node_modules/npm/node_modules/node-gyp/node_modules/path-array/node_modules/array-index/node_modules/es6-symbol/node_modules/es5-ext/math/sign/is-implemented.js

'use strict';

module.exports = function () {
	var sign = Math.sign;
	if (typeof sign !== 'function') return false;
	return ((sign(10) === 1) && (sign(-20) === -1));
};