From d4dbf12f8b9fb4beec3610525020d67c8391f1d6 Mon Sep 17 00:00:00 2001
From: Richard Roberts <richard.jw.roberts@gmail.com>
Date: Mon, 29 Aug 2011 21:00:48 +0000
Subject: [PATCH] Bug fix in ISAM2 wildfire function

---
 gtsam/nonlinear/GaussianISAM2.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtsam/nonlinear/GaussianISAM2.cpp b/gtsam/nonlinear/GaussianISAM2.cpp
index bf3a91b0a..78a1c3a97 100644
--- a/gtsam/nonlinear/GaussianISAM2.cpp
+++ b/gtsam/nonlinear/GaussianISAM2.cpp
@@ -36,8 +36,8 @@ void optimize2(const GaussianISAM2::sharedClique& clique, double threshold,
 	// If not redone, then has one of the separator variables changed significantly?
 	bool recalculate = cliqueReplaced;
 	if(!recalculate) {
-	  BOOST_FOREACH(Index frontal, (*clique)->frontals()) {
-	    if(changed[frontal]) {
+	  BOOST_FOREACH(Index parent, (*clique)->parents()) {
+	    if(changed[parent]) {
 	      recalculate = true;
 	      break;
 	    }