1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.rng.examples.sampling; 18 19 import picocli.CommandLine; 20 21 /** 22 * Executes testing utilities for the samplers in the Commons RNG library. 23 * 24 * <p>Functionality includes:</p> 25 * 26 * <ul> 27 * <li>Creating a PDF approximation using sample data from a distribution 28 * <li>Sampling from a small range from a distribution to visually inspect sampling density 29 * </ul> 30 */ 31 public final class ExamplesSamplingApplication { 32 /** No public constructor. */ 33 private ExamplesSamplingApplication() {} 34 35 /** 36 * Run the RNG examples stress command line application. 37 * 38 * @param args Application's arguments. 39 */ 40 public static void main(String[] args) { 41 // Build the command line manually so we can configure options. 42 final CommandLine cmd = new CommandLine(new ExamplesSamplingCommand()) 43 .addSubcommand("density", new ProbabilityDensityApproximationCommand()) 44 .addSubcommand("visual", new UniformSamplingVisualCheckCommand()) 45 // Call last to apply to all sub-commands 46 .setCaseInsensitiveEnumValuesAllowed(true); 47 48 // Parse the command line and invokes the Callable program 49 cmd.execute(args); 50 } 51 }