Added boost header

test/external/boost/numeric/interval/hw_rounding.hpp

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+/* Boost interval/hw_rounding.hpp template implementation file
+ *
+ * Copyright 2002 Herv<72> Br<42>nnimann, Guillaume Melquiond, Sylvain Pion
+ * Copyright 2005 Guillaume Melquiond
+ *
+ * Distributed under 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)
+ */
+
+#ifndef BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
+#define BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP
+
+#include <boost/numeric/interval/rounding.hpp>
+#include <boost/numeric/interval/rounded_arith.hpp>
+
+#define BOOST_NUMERIC_INTERVAL_NO_HARDWARE
+
+// define appropriate specialization of rounding_control for built-in types
+#if defined(__x86_64__) && (defined(__USE_ISOC99) || defined(__APPLE__))
+#  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
+#elif defined(__i386__) || defined(_M_IX86) || defined(__BORLANDC__) || defined(_M_X64)
+#  include <boost/numeric/interval/detail/x86_rounding_control.hpp>
+#elif defined(powerpc) || defined(__powerpc__) || defined(__ppc__)
+#  include <boost/numeric/interval/detail/ppc_rounding_control.hpp>
+#elif defined(sparc) || defined(__sparc__)
+#  include <boost/numeric/interval/detail/sparc_rounding_control.hpp>
+#elif defined(alpha) || defined(__alpha__)
+#  include <boost/numeric/interval/detail/alpha_rounding_control.hpp>
+#elif defined(ia64) || defined(__ia64) || defined(__ia64__)
+#  include <boost/numeric/interval/detail/ia64_rounding_control.hpp>
+#endif
+
+#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE) && (defined(__USE_ISOC99) || defined(__MSL__))
+#  include <boost/numeric/interval/detail/c99_rounding_control.hpp>
+#endif
+
+#if defined(BOOST_NUMERIC_INTERVAL_NO_HARDWARE)
+#  undef BOOST_NUMERIC_INTERVAL_NO_HARDWARE
+#  error Boost.Numeric.Interval: Please specify rounding control mechanism.
+#endif
+
+namespace boost {
+namespace numeric {
+namespace interval_lib {
+
+/*
+ * Three specializations of rounded_math<T>
+ */
+
+template<>
+struct rounded_math<float>
+  : save_state<rounded_arith_opp<float> >
+{};
+
+template<>
+struct rounded_math<double>
+  : save_state<rounded_arith_opp<double> >
+{};
+
+template<>
+struct rounded_math<long double>
+  : save_state<rounded_arith_opp<long double> >
+{};
+
+} // namespace interval_lib
+} // namespace numeric
+} // namespace boost
+
+#endif // BOOST_NUMERIC_INTERVAL_HW_ROUNDING_HPP