From 4be00da2912328756ea750a8dece262627fec9ad Mon Sep 17 00:00:00 2001
From: Frank Dellaert <dellaert@gmail.com>
Date: Sat, 15 Sep 2012 11:48:59 +0000
Subject: [PATCH] evaluate operator

---
 gtsam/discrete/DiscreteConditional.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gtsam/discrete/DiscreteConditional.h b/gtsam/discrete/DiscreteConditional.h
index d54bf5518..806f0f21d 100644
--- a/gtsam/discrete/DiscreteConditional.h
+++ b/gtsam/discrete/DiscreteConditional.h
@@ -92,6 +92,11 @@ namespace gtsam {
 		/// @name Standard Interface
 		/// @{
 
+    /// Evaluate, just look up in AlgebraicDecisonTree
+    virtual double operator()(const Values& values) const {
+      return Potentials::operator()(values);
+    }
+
 		/** Convert to a factor */
 		DecisionTreeFactor::shared_ptr toFactor() const {
 			return DecisionTreeFactor::shared_ptr(new DecisionTreeFactor(*this));