add boost on mac

macx64/include/boost/units/detail/one.hpp

@@ -0,0 +1,117 @@
+// Boost.Units - A C++ library for zero-overhead dimensional analysis and 
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2003-2008 Matthias Christian Schabel
+// Copyright (C) 2008 Steven Watanabe
+//
+// 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_UNITS_DETAIL_ONE_HPP
+#define BOOST_UNITS_DETAIL_ONE_HPP
+
+#include <boost/units/operators.hpp>
+
+namespace boost {
+
+namespace units {
+
+struct one { BOOST_CONSTEXPR one() {} };
+
+// workaround for pathscale.
+inline BOOST_CONSTEXPR one make_one() {
+    return(one());
+}
+
+template<class T>
+struct multiply_typeof_helper<one, T>
+{
+    typedef T type;
+};
+
+template<class T>
+struct multiply_typeof_helper<T, one>
+{
+    typedef T type;
+};
+
+template<>
+struct multiply_typeof_helper<one, one>
+{
+    typedef one type;
+};
+
+template<class T>
+inline BOOST_CONSTEXPR T operator*(const one&, const T& t)
+{
+    return(t);
+}
+
+template<class T>
+inline BOOST_CONSTEXPR T operator*(const T& t, const one&)
+{
+    return(t);
+}
+
+inline BOOST_CONSTEXPR one operator*(const one&, const one&)
+{
+    return(one());
+}
+
+template<class T>
+struct divide_typeof_helper<T, one>
+{
+    typedef T type;
+};
+
+template<class T>
+struct divide_typeof_helper<one, T>
+{
+    typedef T type;
+};
+
+template<>
+struct divide_typeof_helper<one, one>
+{
+    typedef one type;
+};
+
+template<class T>
+inline BOOST_CONSTEXPR T operator/(const T& t, const one&)
+{
+    return(t);
+}
+
+template<class T>
+inline BOOST_CONSTEXPR T operator/(const one&, const T& t)
+{
+    return(1/t);
+}
+
+inline BOOST_CONSTEXPR one operator/(const one&, const one&)
+{
+    return(one());
+}
+
+template<class T>
+inline BOOST_CONSTEXPR bool operator>(const boost::units::one&, const T& t) {
+    return(1 > t);
+}
+
+template<class T>
+BOOST_CONSTEXPR T one_to_double(const T& t) { return t; }
+
+inline BOOST_CONSTEXPR double one_to_double(const one&) { return 1.0; }
+
+template<class T>
+struct one_to_double_type { typedef T type; };
+
+template<>
+struct one_to_double_type<one> { typedef double type; };
+
+} // namespace units
+
+} // namespace boost
+
+#endif