| /* |
| * 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.math.random; |
| |
| /** |
| * This class is a gaussian normalized random generator for scalars. |
| * <p>This class is a simple wrapper around the {@link |
| * RandomGenerator#nextGaussian} method.</p> |
| * @version $Revision: 811827 $ $Date: 2009-09-06 17:32:50 +0200 (dim. 06 sept. 2009) $ |
| * @since 1.2 |
| */ |
| |
| public class GaussianRandomGenerator implements NormalizedRandomGenerator { |
| |
| /** Underlying generator. */ |
| private final RandomGenerator generator; |
| |
| /** Create a new generator. |
| * @param generator underlying random generator to use |
| */ |
| public GaussianRandomGenerator(final RandomGenerator generator) { |
| this.generator = generator; |
| } |
| |
| /** Generate a random scalar with null mean and unit standard deviation. |
| * @return a random scalar with null mean and unit standard deviation |
| */ |
| public double nextNormalizedDouble() { |
| return generator.nextGaussian(); |
| } |
| |
| } |