| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.rng.sampling.distribution; |
| |
| import org.apache.commons.rng.UniformRandomProvider; |
| |
| /** |
| * Base class for a sampler. |
| * |
| * @since 1.0 |
| * |
| * @deprecated Since version 1.1. Class intended for internal use only. |
| */ |
| @Deprecated |
| public class SamplerBase { |
| /** RNG. */ |
| private final UniformRandomProvider rng; |
| |
| /** |
| * @param rng Generator of uniformly distributed random numbers. |
| */ |
| protected SamplerBase(UniformRandomProvider rng) { |
| this.rng = rng; |
| } |
| |
| /** |
| * @return a random value from a uniform distribution in the |
| * interval {@code [0, 1)}. |
| */ |
| protected double nextDouble() { |
| return rng.nextDouble(); |
| } |
| |
| /** |
| * @return a random {@code int} value. |
| */ |
| protected int nextInt() { |
| return rng.nextInt(); |
| } |
| |
| /** |
| * @param max Upper bound (excluded). |
| * @return a random {@code int} value in the interval {@code [0, max)}. |
| */ |
| protected int nextInt(int max) { |
| return rng.nextInt(max); |
| } |
| |
| /** |
| * @return a random {@code long} value. |
| */ |
| protected long nextLong() { |
| return rng.nextLong(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String toString() { |
| return "rng=" + rng.toString(); |
| } |
| } |