From 62d334c7d3dc017ab1bafa748be590c751187ee1 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Thu, 7 May 2015 14:20:42 +0200
Subject: [PATCH] Fix bug #1010: m_isInitialized was improperly updated
 (grafted from ebf8ca4fa8c390806cfece958743234a8303f7bb )

---
 Eigen/src/IterativeLinearSolvers/IncompleteLUT.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Eigen/src/IterativeLinearSolvers/IncompleteLUT.h b/Eigen/src/IterativeLinearSolvers/IncompleteLUT.h
index b55afc136..4c169aa60 100644
--- a/Eigen/src/IterativeLinearSolvers/IncompleteLUT.h
+++ b/Eigen/src/IterativeLinearSolvers/IncompleteLUT.h
@@ -150,7 +150,6 @@ class IncompleteLUT : internal::noncopyable
     {
       analyzePattern(amat); 
       factorize(amat);
-      m_isInitialized = m_factorizationIsOk;
       return *this;
     }
 
@@ -235,6 +234,8 @@ void IncompleteLUT<Scalar>::analyzePattern(const _MatrixType& amat)
   m_Pinv  = m_P.inverse(); // ... and the inverse permutation
 
   m_analysisIsOk = true;
+  m_factorizationIsOk = false;
+  m_isInitialized = false;
 }
 
 template <typename Scalar>
@@ -442,6 +443,7 @@ void IncompleteLUT<Scalar>::factorize(const _MatrixType& amat)
   m_lu.makeCompressed();
 
   m_factorizationIsOk = true;
+  m_isInitialized = m_factorizationIsOk;
   m_info = Success;
 }