docu

[[Imported from SVN: r5738]]

dune/common/bigunsignedint.hh

@@ -124,6 +124,11 @@ namespace Dune
     //! export to other types
     //	operator unsigned int () const;
     unsigned int touint() const;
+    /**
+     * @brief Convert to a double.
+     *
+     * @warning Subject to rounding errors!
+     */
     double todouble() const;
 
     friend class bigunsignedint<k/2>;