From 0b40b36d100e32a429b756e259149f812163c83a Mon Sep 17 00:00:00 2001
From: Jitse Niesen <jitse@maths.leeds.ac.uk>
Date: Tue, 19 Apr 2011 12:13:04 +0100
Subject: [PATCH] Make MapBase(PointerType) constructor explicit (fixes bug
 #251)

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

diff --git a/Eigen/src/Core/MapBase.h b/Eigen/src/Core/MapBase.h
index a259e3aee..c23bcbfdc 100644
--- a/Eigen/src/Core/MapBase.h
+++ b/Eigen/src/Core/MapBase.h
@@ -238,7 +238,7 @@ template<typename Derived> class MapBase<Derived, WriteAccessors>
                 (this->m_data + index * innerStride(), x);
     }
 
-    inline MapBase(PointerType data) : Base(data) {}
+    explicit inline MapBase(PointerType data) : Base(data) {}
     inline MapBase(PointerType data, Index size) : Base(data, size) {}
     inline MapBase(PointerType data, Index rows, Index cols) : Base(data, rows, cols) {}