1 files changed, 34 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/exception/NotANumberException.java b/src/main/java/org/apache/commons/math3/exception/NotANumberException.java
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index 0000000..60d3cff
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+++ b/src/main/java/org/apache/commons/math3/exception/NotANumberException.java
@@ -0,0 +1,34 @@
+/*
+ * 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.math3.exception;
+
+import org.apache.commons.math3.exception.util.LocalizedFormats;
+
+/**
+ * Exception to be thrown when a number is not a number.
+ *
+ * @since 3.1
+ */
+public class NotANumberException extends MathIllegalNumberException {
+    /** Serializable version Id. */
+    private static final long serialVersionUID = 20120906L;
+
+    /** Construct the exception. */
+    public NotANumberException() {
+        super(LocalizedFormats.NAN_NOT_ALLOWED, Double.valueOf(Double.NaN));
+    }
+}