From 90a4984deab6e3b33b5511ab1d9ac35ef0cc9093 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Atgeirr=20Fl=C3=B8=20Rasmussen?= <atgeirr@sintef.no>
Date: Wed, 15 May 2013 09:22:45 +0200
Subject: [PATCH] Fix multiple symbol issue.

---
 AutoDiffHelpers.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/AutoDiffHelpers.hpp b/AutoDiffHelpers.hpp
index f48b6e165..740e8b8ba 100644
--- a/AutoDiffHelpers.hpp
+++ b/AutoDiffHelpers.hpp
@@ -286,6 +286,8 @@ superset(const Eigen::Array<Scalar, Eigen::Dynamic, 1>& x,
 
 /// Construct square sparse matrix with the
 /// elements of d on the diagonal.
+/// Need to mark this as inline since it is defined in a header and not a template.
+inline
 AutoDiff::ForwardBlock<double>::M
 spdiag(const AutoDiff::ForwardBlock<double>::V& d)
 {