diff -u -r1.1 -r1.2
--- JDOMExpressionFactory.java	15 Jul 2005 02:54:58 -0000	1.1
+++ JDOMExpressionFactory.java	26 Aug 2009 23:33:33 -0000	1.2
@@ -146,6 +146,48 @@

          }
       }
    }

+      
+   public double computeDouble(String expression)
+   {
+	   try
+       {
+          CompiledExpression expr = Evaluator.compile(expression,jelLibrary,Double.TYPE);
+          return expr.evaluate_double(resolver);
+       }	
+	   catch (Throwable x)
+	   {
+		   throw new RuntimeException(x);
+	   }
+   }
+   
+   public float computeFloat(String expression)
+   {
+	   try
+       {
+          CompiledExpression expr = Evaluator.compile(expression,jelLibrary,Float.TYPE);
+          return expr.evaluate_float(resolver);
+       }	
+	   catch (Throwable x)
+	   {
+		   throw new RuntimeException(x);
+	   }
+   }
+   
+   /*
+   public int computeInteger(String expression)
+   {
+	   try
+       {
+          CompiledExpression expr = Evaluator.compile(expression,jelLibrary,Integer.TYPE);
+          return expr.evaluate_int(resolver);
+       }	
+	   catch (Throwable x)
+	   {
+		   throw new RuntimeException(x);
+	   }
+   }
+   */
+        

    private Library setUpLibrary()
    {
       try