From 58fc972ed328a37921c9b9dc66ab45b2f125c664 Mon Sep 17 00:00:00 2001
From: Stuart Glaser <sglaser@willowgarage.com>
Date: Mon, 21 Jun 2010 21:29:45 -0700
Subject: [PATCH] LU on limited-size matrices no longer allocates for
 temporaries.

---
 Eigen/src/LU/LU.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Eigen/src/LU/LU.h b/Eigen/src/LU/LU.h
index ef1487c6a..862fa066c 100644
--- a/Eigen/src/LU/LU.h
+++ b/Eigen/src/LU/LU.h
@@ -63,10 +63,10 @@ template<typename MatrixType> class LU
 
     typedef typename MatrixType::Scalar Scalar;
     typedef typename NumTraits<typename MatrixType::Scalar>::Real RealScalar;
-    typedef Matrix<int, 1, MatrixType::ColsAtCompileTime> IntRowVectorType;
-    typedef Matrix<int, MatrixType::RowsAtCompileTime, 1> IntColVectorType;
-    typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType;
-    typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> ColVectorType;
+    typedef Matrix<int, 1, MatrixType::ColsAtCompileTime, MatrixType::Options, 1, MatrixType::MaxColsAtCompileTime> IntRowVectorType;
+    typedef Matrix<int, MatrixType::RowsAtCompileTime, 1, MatrixType::Options, MatrixType::MaxRowsAtCompileTime, 1> IntColVectorType;
+    typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime, MatrixType::Options, 1, MatrixType::MaxColsAtCompileTime> RowVectorType;
+    typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1, MatrixType::Options, MatrixType::MaxRowsAtCompileTime, 1> ColVectorType;
 
     enum { MaxSmallDimAtCompileTime = EIGEN_SIZE_MIN(
              MatrixType::MaxColsAtCompileTime,