1 files changed, 57 insertions, 0 deletions
diff --git a/src/main/java/org/apache/commons/math3/exception/MathInternalError.java b/src/main/java/org/apache/commons/math3/exception/MathInternalError.java
new file mode 100644
index 0000000..bf1b06c
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+++ b/src/main/java/org/apache/commons/math3/exception/MathInternalError.java
@@ -0,0 +1,57 @@
+/*
+ * 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.Localizable;
+import org.apache.commons.math3.exception.util.LocalizedFormats;
+
+/**
+ * Exception triggered when something that shouldn't happen does happen.
+ *
+ * @since 2.2
+ */
+public class MathInternalError extends MathIllegalStateException {
+    /** Serializable version Id. */
+    private static final long serialVersionUID = -6276776513966934846L;
+
+    /** URL for reporting problems. */
+    private static final String REPORT_URL = "https://issues.apache.org/jira/browse/MATH";
+
+    /** Simple constructor. */
+    public MathInternalError() {
+        getContext().addMessage(LocalizedFormats.INTERNAL_ERROR, REPORT_URL);
+    }
+
+    /**
+     * Simple constructor.
+     *
+     * @param cause root cause
+     */
+    public MathInternalError(final Throwable cause) {
+        super(cause, LocalizedFormats.INTERNAL_ERROR, REPORT_URL);
+    }
+
+    /**
+     * Constructor accepting a localized message.
+     *
+     * @param pattern Message pattern explaining the cause of the error.
+     * @param args Arguments.
+     */
+    public MathInternalError(Localizable pattern, Object... args) {
+        super(pattern, args);
+    }
+}