From 8933203a20df1635bb468db8a7c222dd76032ab8 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Mon, 24 Mar 2014 04:02:12 +0000
Subject: [PATCH] [Numerics] Fix invalid dereference in SquareMatrix::factor

The work array hasn't always been allocated, so taking its address isn't
necessarily valid. Also, dlange doesn't use the work array in the '1' norm
case anyway.
---
 src/numerics/SquareMatrix.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/numerics/SquareMatrix.cpp b/src/numerics/SquareMatrix.cpp
index 9959515b9..3f0c20f26 100644
--- a/src/numerics/SquareMatrix.cpp
+++ b/src/numerics/SquareMatrix.cpp
@@ -134,7 +134,7 @@ int SquareMatrix::factor()
     if (useQR_) {
         return factorQR();
     }
-    a1norm_ = ct_dlange('1', m_nrows, m_nrows, &(*(begin())), m_nrows, DATA_PTR(work));
+    a1norm_ = ct_dlange('1', m_nrows, m_nrows, &(*(begin())), m_nrows, 0);
     integer n = static_cast<int>(nRows());
     int info=0;
     m_factored = 1;