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diff --git a/src/stlplus/portability/portability_exceptions.hpp b/src/stlplus/portability/portability_exceptions.hpp
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+++ b/src/stlplus/portability/portability_exceptions.hpp
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+#ifndef STLPLUS_PORTABILITY_EXCEPTIONS
+#define STLPLUS_PORTABILITY_EXCEPTIONS
+////////////////////////////////////////////////////////////////////////////////
+
+//   Author:    Andy Rushton
+//   Copyright: (c) Southampton University 1999-2004
+//              (c) Andy Rushton           2004-2009
+//   License:   BSD License, see ../docs/license.html
+
+//   Adds missing arithmetic exceptions used in this library but missing from std
+
+////////////////////////////////////////////////////////////////////////////////
+#include "portability_fixes.hpp"
+#include <string>
+#include <stdexcept>
+
+namespace stlplus
+{
+
+  ////////////////////////////////////////////////////////////////////////////////
+  // thrown by division when the divisor is zero
+  // This is a subclass of std::logic_error so can be caught by a generic catch clause for the superclass
+
+  class divide_by_zero : public std::logic_error {
+  public:
+    divide_by_zero (const std::string& what_arg): std::logic_error (what_arg) { }
+  };
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // end namespace stlplus
+
+#endif