From 52165ba55a5cbd5b036df77ddbbcfe946bfd9968 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Sun, 20 Jun 2010 22:27:35 +0200
Subject: [PATCH] compilation fix

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

diff --git a/Eigen/src/Core/PermutationMatrix.h b/Eigen/src/Core/PermutationMatrix.h
index a996e8f1e..7eca5c3a2 100644
--- a/Eigen/src/Core/PermutationMatrix.h
+++ b/Eigen/src/Core/PermutationMatrix.h
@@ -72,6 +72,7 @@ class PermutationMatrix : public EigenBase<PermutationMatrix<SizeAtCompileTime,
       MaxColsAtCompileTime = Traits::MaxColsAtCompileTime
     };
     typedef typename Traits::Scalar Scalar;
+    typedef typename Traits::Index Index;
     #endif
 
     typedef Matrix<int, SizeAtCompileTime, 1, 0, MaxSizeAtCompileTime, 1> IndicesType;