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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.statistics.examples.distribution;
18  
19  import picocli.CommandLine.Option;
20  
21  /**
22   * Options for inverse probability functions of discrete distributions.
23   * Applies to functions x=real in [0, 1] and f(x)=integer.
24   */
25  class InverseDiscreteDistributionOptions extends DistributionOptions {
26      /** The minimum probability to evaluate. */
27      @Option(names = { "--min" },
28              description = {"Minimum probability to evaluate (default: ${DEFAULT-VALUE})."})
29      protected double min;
30  
31      /** The maximum probability to evaluate. */
32      @Option(names = { "--max" },
33              description = {"Maximum probability to evaluate (default: ${DEFAULT-VALUE})."})
34      protected double max = 1;
35  
36      /** The number of steps from minimum to the maximum. */
37      @Option(names = { "--steps" },
38              description = {"Number of steps from the minimum to the maximum (default: ${DEFAULT-VALUE})."})
39      protected int steps = 100;
40  
41      /** The single point to evaluate. */
42      @Option(names = { "-x", "--point" },
43              arity = "1..*",
44              split = ",",
45              description = {"Point to evaluate (overrides input range)."})
46      protected double[] x;
47  
48      /** The format for the evaluated probability. */
49      @Option(names = { "--pformat" },
50              description = {"Format for the evaluated probability (default: ${DEFAULT-VALUE})."})
51      protected String pformat = "%.6g";
52  }