From 24af67a6cc102f8e5dde881608880b6b5264e336 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Fri, 22 Jul 2016 15:30:54 +0200
Subject: Fix boostmultiprec for C++03

---
 test/boostmultiprec.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'test/boostmultiprec.cpp')

diff --git a/test/boostmultiprec.cpp b/test/boostmultiprec.cpp
index a83ae4b78..3e16aeabd 100644
--- a/test/boostmultiprec.cpp
+++ b/test/boostmultiprec.cpp
@@ -71,6 +71,17 @@ namespace Eigen {
 
   template<>
   Real test_precision<Real>() { return 1e-50; }
+
+  namespace internal {
+    template<typename NewType>
+    struct cast_impl<Real,NewType>
+    {
+      static inline NewType run(const Real& x)
+      {
+        return x.template convert_to<NewType>();
+      }
+    };
+  }
 }
 
 namespace boost {
-- 
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