=== modified file 'src/evaluation/statistics/pdf.cpp'
--- src/evaluation/statistics/pdf.cpp	2010-05-12 09:53:33 +0000
+++ src/evaluation/statistics/pdf.cpp	2012-11-23 14:03:21 +0000
@@ -392,11 +392,11 @@
     }
     catch (PercentileUnderFlow)
     {
-        ss << "NaN";
+        ss << minXValue_;
     }
     catch (PercentileOverFlow)
     {
-        ss << "NaN";
+        ss << maxXValue_;
     }
     stream << ss.str() << std::endl;
 }