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diff --git a/src/main/java/org/apache/commons/math/ConvergenceException.java b/src/main/java/org/apache/commons/math/ConvergenceException.java
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+/*
+ * 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;
+
+import org.apache.commons.math.exception.util.DummyLocalizable;
+import org.apache.commons.math.exception.util.Localizable;
+import org.apache.commons.math.exception.util.LocalizedFormats;
+
+/**
+ * Error thrown when a numerical computation can not be performed because the
+ * numerical result failed to converge to a finite value.
+ *
+ * @version $Revision: 983921 $ $Date: 2010-08-10 12:46:06 +0200 (mar. 10 août 2010) $
+ */
+public class ConvergenceException extends MathException {
+
+    /** Serializable version identifier */
+    private static final long serialVersionUID = -1111352570797662604L;
+
+    /**
+     * Default constructor.
+     */
+    public ConvergenceException() {
+        super(LocalizedFormats.CONVERGENCE_FAILED);
+    }
+
+    /**
+     * Constructs an exception with specified formatted detail message.
+     * Message formatting is delegated to {@link java.text.MessageFormat}.
+     * @param pattern format specifier
+     * @param arguments format arguments
+     * @since 1.2
+     * @deprecated as of 2.2 replaced by {@link #ConvergenceException(Localizable, Object...)}
+     */
+    @Deprecated
+    public ConvergenceException(String pattern, Object ... arguments) {
+        this(new DummyLocalizable(pattern), arguments);
+    }
+
+    /**
+     * Constructs an exception with specified formatted detail message.
+     * Message formatting is delegated to {@link java.text.MessageFormat}.
+     * @param pattern format specifier
+     * @param arguments format arguments
+     * @since 2.2
+     */
+    public ConvergenceException(Localizable pattern, Object ... arguments) {
+        super(pattern, arguments);
+    }
+
+    /**
+     * Create an exception with a given root cause.
+     * @param cause  the exception or error that caused this exception to be thrown
+     */
+    public ConvergenceException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs an exception with specified formatted detail message and root cause.
+     * Message formatting is delegated to {@link java.text.MessageFormat}.
+     * @param cause  the exception or error that caused this exception to be thrown
+     * @param pattern format specifier
+     * @param arguments format arguments
+     * @since 1.2
+     * @deprecated as of 2.2 replaced by {@link #ConvergenceException(Throwable, Localizable, Object...)}
+     */
+    @Deprecated
+    public ConvergenceException(Throwable cause, String pattern, Object ... arguments) {
+        this(cause, new DummyLocalizable(pattern), arguments);
+    }
+
+    /**
+     * Constructs an exception with specified formatted detail message and root cause.
+     * Message formatting is delegated to {@link java.text.MessageFormat}.
+     * @param cause  the exception or error that caused this exception to be thrown
+     * @param pattern format specifier
+     * @param arguments format arguments
+     * @since 2.2
+     */
+    public ConvergenceException(Throwable cause, Localizable pattern, Object ... arguments) {
+        super(cause, pattern, arguments);
+    }
+
+}