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
18 package org.apache.commons.math.fraction;
19
20 import org.apache.commons.math.ConvergenceException;
21
22 /**
23 * Error thrown when a double value cannot be converted to a fraction
24 * in the allowed number of iterations.
25 *
26 * @version $Revision: 620312 $ $Date: 2008-02-10 12:28:59 -0700 (Sun, 10 Feb 2008) $
27 * @since 1.2
28 */
29 public class FractionConversionException extends ConvergenceException {
30
31 /** Serializable version identifier. */
32 private static final long serialVersionUID = -4661812640132576263L;
33
34 /**
35 * Constructs an exception with specified formatted detail message.
36 * Message formatting is delegated to {@link java.text.MessageFormat}.
37 * @param value double value to convert
38 * @param maxIterations maximal number of iterations allowed
39 */
40 public FractionConversionException(double value, int maxIterations) {
41 super("Unable to convert {0} to fraction after {1} iterations",
42 new Object[] { new Double(value), new Integer(maxIterations) });
43 }
44
45 /**
46 * Constructs an exception with specified formatted detail message.
47 * Message formatting is delegated to {@link java.text.MessageFormat}.
48 * @param value double value to convert
49 * @param p current numerator
50 * @param q current denominator
51 */
52 public FractionConversionException(double value, long p, long q) {
53 super("Overflow trying to convert {0} to fraction ({1}/{2})",
54 new Object[] { new Double(value), new Long(p), new Long(q) });
55 }
56
57 }