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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.commons.math.estimation;
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import org.apache.commons.math.estimation.EstimatedParameter;
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import junit.framework.*;
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public class EstimatedParameterTest
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public EstimatedParameterTest(String name) {
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public void testConstruction() {
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EstimatedParameter p1 = new EstimatedParameter("p1", 1.0);
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assertTrue(p1.getName().equals("p1"));
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checkValue(p1.getEstimate(), 1.0);
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assertTrue(! p1.isBound());
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EstimatedParameter p2 = new EstimatedParameter("p2", 2.0, true);
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assertTrue(p2.getName().equals("p2"));
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checkValue(p2.getEstimate(), 2.0);
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assertTrue(p2.isBound());
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public void testBound() {
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EstimatedParameter p = new EstimatedParameter("p", 0.0);
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assertTrue(! p.isBound());
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assertTrue(p.isBound());
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assertTrue(! p.isBound());
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public void testEstimate() {
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EstimatedParameter p = new EstimatedParameter("p", 0.0);
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checkValue(p.getEstimate(), 0.0);
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for (double e = 0.0; e < 10.0; e += 0.5) {
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checkValue(p.getEstimate(), e);
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public static Test suite() {
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return new TestSuite(EstimatedParameterTest.class);
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private void checkValue(double value, double expected) {
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assertTrue(Math.abs(value - expected) < 1.0e-10);