From 41e1f3498c90d498796c424b19d115c3a9b92374 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Tue, 28 Jul 2015 22:59:50 +0200
Subject: [PATCH] bug #1048: fix unused variable warning

---
 Eigen/src/SparseCore/SparseVector.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Eigen/src/SparseCore/SparseVector.h b/Eigen/src/SparseCore/SparseVector.h
index 7b65f32bc..13add55f7 100644
--- a/Eigen/src/SparseCore/SparseVector.h
+++ b/Eigen/src/SparseCore/SparseVector.h
@@ -170,6 +170,7 @@ class SparseVector
       
       Index inner = IsColVector ? row : col;
       Index outer = IsColVector ? col : row;
+      EIGEN_ONLY_USED_FOR_DEBUG(outer);
       eigen_assert(outer==0);
       return insert(inner);
     }