From 25f44266a280df45ed041094a05b096a29c90751 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Sun, 27 Jun 2010 08:44:21 -0400
Subject: [PATCH] fix #146

---
 Eigen/src/Core/IO.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Eigen/src/Core/IO.h b/Eigen/src/Core/IO.h
index 3fb61300b..7a823d225 100644
--- a/Eigen/src/Core/IO.h
+++ b/Eigen/src/Core/IO.h
@@ -155,6 +155,12 @@ struct ei_significant_decimals_impl
 template<typename Derived>
 std::ostream & ei_print_matrix(std::ostream & s, const Derived& _m, const IOFormat& fmt)
 {
+  if(_m.size() == 0)
+  {
+    s << fmt.matPrefix << fmt.matSuffix;
+    return s;
+  }
+  
   const typename Derived::Nested m = _m;
   typedef typename Derived::Scalar Scalar;
   typedef typename Derived::Index Index;