From 6616844d84a247ab68a3d84bd6a9a50c9fd99e99 Mon Sep 17 00:00:00 2001
From: Sungtae An <stan84@gatech.edu>
Date: Thu, 20 Nov 2014 19:01:02 -0500
Subject: [PATCH] Fix build function in Preconditioner

---
 gtsam/linear/Preconditioner.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/gtsam/linear/Preconditioner.cpp b/gtsam/linear/Preconditioner.cpp
index c7f4a5b68..7683a0efd 100644
--- a/gtsam/linear/Preconditioner.cpp
+++ b/gtsam/linear/Preconditioner.cpp
@@ -143,11 +143,9 @@ void BlockJacobiPreconditioner::build(
   }
 
   /* getting the block diagonals over the factors */
-  BOOST_FOREACH ( const GaussianFactor::shared_ptr &gf, gfg ) {
-    std::map<Key, Matrix> hessianMap = gf->hessianBlockDiagonal();
-    BOOST_FOREACH ( const Matrix hessian, hessianMap | boost::adaptors::map_values)
-      blocks.push_back(hessian);
-  }
+  std::map<Key, Matrix> hessianMap =gfg.hessianBlockDiagonal();
+  BOOST_FOREACH ( const Matrix hessian, hessianMap | boost::adaptors::map_values)
+    blocks.push_back(hessian);
 
   /* if necessary, allocating the memory for cacheing the factorization results */
   if ( nnz > bufferSize_ ) {