var DecimalPrecision = (function () {
	if (Number.EPSILON === undefined) {
		Number.EPSILON = Math.pow(2, -52);
	}
	this.round = function (n, p = 2) {
		let r = 0.5 * Number.EPSILON * n;
		let o = 1;
		while (p-- > 0) o *= 10;
		if (n < 0) o *= -1;
		return Math.round((n + r) * o) / o;
	};
	this.ceil = function (n, p = 2) {
		let r = 0.5 * Number.EPSILON * n;
		let o = 1;
		while (p-- > 0) o *= 10;
		if (n < 0) o *= -1;
		return Math.ceil((n + r) * o) / o;
	};
	this.floor = function (n, p = 2) {
		let r = 0.5 * Number.EPSILON * n;
		let o = 1;
		while (p-- > 0) o *= 10;
		if (n < 0) o *= -1;
		return Math.floor((n + r) * o) / o;
	};
	return this;
})();