Java tutorial
/* * 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; /** * Sampling from a uniform distribution. */ public class ContinuousUniformSampler extends SamplerBase implements ContinuousSampler { /** Lower bound. */ private final double lo; /** Higher bound. */ private final double hi; /** * @param rng Generator of uniformly distributed random numbers. * @param lo Lower bound. * @param hi Higher bound. */ public ContinuousUniformSampler(UniformRandomProvider rng, double lo, double hi) { super(rng); this.lo = lo; this.hi = hi; } /** {@inheritDoc} */ @Override public double sample() { final double u = nextDouble(); return u * hi + (1 - u) * lo; } /** {@inheritDoc} */ @Override public String toString() { return "Uniform deviate [" + super.toString() + "]"; } }