diff --git a/test/boost_has_float128.ipp b/test/boost_has_float128.ipp
new file mode 100644
index 00000000..80b211c1
--- /dev/null
+++ b/test/boost_has_float128.ipp
@@ -0,0 +1,29 @@
+//  (C) Copyright John Maddock 2012. 
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for most recent version.
+
+//  MACRO:         BOOST_HAS_FLOAT128
+//  TITLE:         __float128
+//  DESCRIPTION:   The platform supports __float128.
+
+#include <cstdlib>
+
+
+namespace boost_has_float128{
+
+int test()
+{
+#ifdef __GNUC__
+   __extension__ __float128 big_float = 0.0Q;
+#else
+   __float128 big_float = 0.0Q;
+#endif
+   (void)&big_float;
+   return 0;
+}
+
+}
+
diff --git a/test/has_float128_fail.cpp b/test/has_float128_fail.cpp
new file mode 100644
index 00000000..cbb42b21
--- /dev/null
+++ b/test/has_float128_fail.cpp
@@ -0,0 +1,37 @@
+//  This file was automatically generated on Thu Aug 13 16:29:35 2015
+//  by libs/config/tools/generate.cpp
+//  Copyright John Maddock 2002-4.
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for the most recent version.//
+//  Revision $Id$
+//
+
+
+// Test file for macro BOOST_HAS_FLOAT128
+// This file should not compile, if it does then
+// BOOST_HAS_FLOAT128 should be defined.
+// See file boost_has_float128.ipp for details
+
+// Must not have BOOST_ASSERT_CONFIG set; it defeats
+// the objective of this file:
+#ifdef BOOST_ASSERT_CONFIG
+#  undef BOOST_ASSERT_CONFIG
+#endif
+
+#include <boost/config.hpp>
+#include "test.hpp"
+
+#ifndef BOOST_HAS_FLOAT128
+#include "boost_has_float128.ipp"
+#else
+#error "this file should not compile"
+#endif
+
+int main( int, char *[] )
+{
+   return boost_has_float128::test();
+}
+
diff --git a/test/has_float128_pass.cpp b/test/has_float128_pass.cpp
new file mode 100644
index 00000000..fb0a5683
--- /dev/null
+++ b/test/has_float128_pass.cpp
@@ -0,0 +1,37 @@
+//  This file was automatically generated on Thu Aug 13 16:29:35 2015
+//  by libs/config/tools/generate.cpp
+//  Copyright John Maddock 2002-4.
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for the most recent version.//
+//  Revision $Id$
+//
+
+
+// Test file for macro BOOST_HAS_FLOAT128
+// This file should compile, if it does not then
+// BOOST_HAS_FLOAT128 should not be defined.
+// See file boost_has_float128.ipp for details
+
+// Must not have BOOST_ASSERT_CONFIG set; it defeats
+// the objective of this file:
+#ifdef BOOST_ASSERT_CONFIG
+#  undef BOOST_ASSERT_CONFIG
+#endif
+
+#include <boost/config.hpp>
+#include "test.hpp"
+
+#ifdef BOOST_HAS_FLOAT128
+#include "boost_has_float128.ipp"
+#else
+namespace boost_has_float128 = empty_boost;
+#endif
+
+int main( int, char *[] )
+{
+   return boost_has_float128::test();
+}
+