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 }