Java tutorial
//package com.java2s; public class Main { public static double getPreviewAspectRatio(int width, int height) { double ratio = 0.0f; if (Math.abs((double) width / height - 4.0 / 3.0) > Math.abs((double) width / height - 16.0 / 9.0)) { ratio = 16.0f / 9.0f; } else { ratio = 4.0f / 3.0f; } return ratio; } }