add boost on mac

macx64/include/boost/safe_numerics/concept/exception_policy.hpp

@@ -0,0 +1,29 @@
+#ifndef BOOST_NUMERIC_CONCEPT_EXCEPTION_POLICY_HPP
+#define BOOST_NUMERIC_CONCEPT_EXCEPTION_POLICY_HPP
+
+//  Copyright (c) 2015 Robert Ramey
+//
+// 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)
+
+namespace boost {
+namespace safe_numerics {
+
+template<class EP>
+struct ExceptionPolicy {
+    const char * message;
+    /*
+    BOOST_CONCEPT_USAGE(ExceptionPolicy){
+        EP::on_arithmetic_error(e, message);
+        EP::on_undefined_behavior(e, message)
+        EP::on_implementation_defined_behavior(e, message)
+        EP::on_uninitialized_value(e, message)
+    }
+    */
+};
+
+} // safe_numerics
+} // boost
+
+#endif // BOOST_NUMERIC_CONCEPT_EXCEPTION_POLICY_HPP