001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018 package org.apache.commons.math.fraction;
019
020 import org.apache.commons.math.ConvergenceException;
021
022 /**
023 * Error thrown when a double value cannot be converted to a fraction
024 * in the allowed number of iterations.
025 *
026 * @version $Revision: 811685 $ $Date: 2009-09-05 13:36:48 -0400 (Sat, 05 Sep 2009) $
027 * @since 1.2
028 */
029 public class FractionConversionException extends ConvergenceException {
030
031 /** Serializable version identifier. */
032 private static final long serialVersionUID = -4661812640132576263L;
033
034 /**
035 * Constructs an exception with specified formatted detail message.
036 * Message formatting is delegated to {@link java.text.MessageFormat}.
037 * @param value double value to convert
038 * @param maxIterations maximal number of iterations allowed
039 */
040 public FractionConversionException(double value, int maxIterations) {
041 super("Unable to convert {0} to fraction after {1} iterations", value, maxIterations);
042 }
043
044 /**
045 * Constructs an exception with specified formatted detail message.
046 * Message formatting is delegated to {@link java.text.MessageFormat}.
047 * @param value double value to convert
048 * @param p current numerator
049 * @param q current denominator
050 */
051 public FractionConversionException(double value, long p, long q) {
052 super("Overflow trying to convert {0} to fraction ({1}/{2})", value, p, q);
053 }
054
055 }