From 5b2d287878d4f049c1ba6c55c1fcaac1129d6df0 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 5 Feb 2016 21:46:39 +0100
Subject: bug #779: allow non aligned buffers for buffers smaller than the
 requested alignment.

---
 Eigen/src/Core/MapBase.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'Eigen/src/Core/MapBase.h')

diff --git a/Eigen/src/Core/MapBase.h b/Eigen/src/Core/MapBase.h
index 75a80daaa..afa47540e 100644
--- a/Eigen/src/Core/MapBase.h
+++ b/Eigen/src/Core/MapBase.h
@@ -165,7 +165,8 @@ template<typename Derived> class MapBase<Derived, ReadOnlyAccessors>
     void checkSanity() const
     {
 #if EIGEN_MAX_ALIGN_BYTES>0
-      eigen_assert(((size_t(m_data) % EIGEN_PLAIN_ENUM_MAX(1,internal::traits<Derived>::Alignment)) == 0) && "data is not aligned");
+      eigen_assert((   ((size_t(m_data) % EIGEN_PLAIN_ENUM_MAX(1,internal::traits<Derived>::Alignment)) == 0)
+                    || (cols() * rows() * innerStride() * sizeof(Scalar)) < internal::traits<Derived>::Alignment ) && "data is not aligned");
 #endif
     }
 
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