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.distribution; 18 19 /** 20 * Test cases for {@link LaplaceDistribution}. 21 * Extends {@link BaseContinuousDistributionTest}. See javadoc of that class for details. 22 */ 23 class LaplaceDistributionTest extends BaseContinuousDistributionTest { 24 @Override 25 ContinuousDistribution makeDistribution(Object... parameters) { 26 final double location = (Double) parameters[0]; 27 final double scale = (Double) parameters[1]; 28 return LaplaceDistribution.of(location, scale); 29 } 30 31 32 @Override 33 Object[][] makeInvalidParameters() { 34 return new Object[][] { 35 {0.0, 0.0}, 36 {0.0, -0.1} 37 }; 38 } 39 40 @Override 41 String[] getParameterNames() { 42 return new String[] {"Location", "Scale"}; 43 } 44 45 @Override 46 protected double getRelativeTolerance() { 47 return 5e-15; 48 } 49 }