From c088ee78c8d55574498267febbf41202146d2579 Mon Sep 17 00:00:00 2001
From: Adam Szalkowski <adam.szalkowski@inf.ethz.ch>
Date: Thu, 31 Mar 2011 09:54:52 +0200
Subject: [PATCH] fix bug #239: the essential part was left uninitialized in
 some cases (transplanted from 969e92261d3da900cd472d74abda9357ac994146 )

---
 Eigen/src/Householder/Householder.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Eigen/src/Householder/Householder.h b/Eigen/src/Householder/Householder.h
index 9ade04c19..a38d3cfca 100644
--- a/Eigen/src/Householder/Householder.h
+++ b/Eigen/src/Householder/Householder.h
@@ -74,6 +74,7 @@ void MatrixBase<Derived>::makeHouseholder(
   {
     tau = 0;
     beta = internal::real(c0);
+    essential.setZero();
   }
   else
   {