function max( x, y ) {
	if ( x > y ) {
		return x;
	}
	return y;
}
Returns the maximum value.

@param {number} x - first number
@param {number} y - second number
@returns {number} maximum value

@example
var v = max( 3.14, 4.2 );
// returns 4.2

@example
var v = max( 3.14, NaN );
// returns NaN

@example
var v = max( NaN, 3.14 );
// returns 3.14

@example
var v = max( -0.0, +0.0 );
// returns +0.0

@example
var v = max( +0.0, -0.0 );
// returns -0.0