From a87c0a5ed842ceb0076ac2d532ce8daa9b85bfc6 Mon Sep 17 00:00:00 2001
From: Hauke Heibel <hauke.heibel@gmail.com>
Date: Tue, 12 Jan 2010 17:13:46 +0100
Subject: [PATCH] Fixes #83.

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

diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h
index 53ab27412..f5d0de74b 100644
--- a/Eigen/src/Core/Matrix.h
+++ b/Eigen/src/Core/Matrix.h
@@ -187,6 +187,12 @@ class Matrix
       return Base::operator=(other);
     }
 
+    template<typename OtherDerived>
+    EIGEN_STRONG_INLINE Matrix& operator=(const ReturnByValue<OtherDerived>& func)
+    {
+      return Base::operator=(func);
+    }
+
     using Base::operator +=;
     using Base::operator -=;
     using Base::operator *=;