From 3c9289129b49d1f0c83f5f0468200cc7692ce380 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 15 Jun 2012 23:22:34 +0200
Subject: [PATCH] prevent the allocation of the two preconditioner, only one is
 needed

---
 Eigen/src/SVD/JacobiSVD.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Eigen/src/SVD/JacobiSVD.h b/Eigen/src/SVD/JacobiSVD.h
index 745119522..9eadaa9fc 100644
--- a/Eigen/src/SVD/JacobiSVD.h
+++ b/Eigen/src/SVD/JacobiSVD.h
@@ -732,8 +732,8 @@ void JacobiSVD<MatrixType, QRPreconditioner>::allocate(Index rows, Index cols, u
                           : 0);
   m_workMatrix.resize(m_diagSize, m_diagSize);
   
-  m_qr_precond_morecols.allocate(*this);
-  m_qr_precond_morerows.allocate(*this);
+  if(m_cols>m_rows) m_qr_precond_morecols.allocate(*this);
+  if(m_rows>m_cols) m_qr_precond_morerows.allocate(*this);
 }
 
 template<typename MatrixType, int QRPreconditioner>