From: matthiasschabel_at_[hidden]
Date: 2007-05-30 19:17:39
Author: matthiasschabel
Date: 2007-05-30 19:17:38 EDT (Wed, 30 May 2007)
New Revision: 4372
URL: http://svn.boost.org/trac/boost/changeset/4372
Log:
revolutions as measure of angle
Added:
sandbox/units/boost/units/systems/angle/revolutions.hpp
Added: sandbox/units/boost/units/systems/angle/revolutions.hpp
==============================================================================
--- (empty file)
+++ sandbox/units/boost/units/systems/angle/revolutions.hpp 2007-05-30 19:17:38 EDT (Wed, 30 May 2007)
@@ -0,0 +1,74 @@
+// mcs::units - A C++ library for zero-overhead dimensional analysis and
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2003-2007 Matthias Christian Schabel
+// Copyright (C) 2007 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_REVOLUTION_HPP
+#define BOOST_UNITS_REVOLUTION_HPP
+
+#include <cmath>
+
+#include <boost/units/conversion.hpp>
+#include <boost/units/io.hpp>
+#include <boost/units/quantity.hpp>
+#include <boost/units/static_constant.hpp>
+#include <boost/units/system.hpp>
+#include <boost/units/systems/physical_units.hpp>
+
+namespace boost {
+
+namespace units {
+
+namespace revolution {
+
+struct system_tag : public ordinal<-10> { }; ///< unit system tag for angles in revolutions
+
+} // namespace revolution
+
+} // namespace units
+
+} // namespace boost
+
+#if BOOST_UNITS_HAS_BOOST_TYPEOF
+
+#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
+
+BOOST_TYPEOF_REGISTER_TYPE(boost::units::revolution::system_tag)
+
+#endif
+
+namespace boost {
+
+namespace units {
+
+namespace revolution {
+
+typedef homogeneous_system<system_tag> system; ///< revolution unit system
+
+typedef unit<dimensionless_type,system> dimensionless;
+typedef unit<plane_angle_dim,system> plane_angle; ///< angle revolution unit constant
+
+BOOST_UNITS_STATIC_CONSTANT(revolution,plane_angle);
+BOOST_UNITS_STATIC_CONSTANT(revolutions,plane_angle);
+
+} // namespace revolution
+
+template<>
+struct base_unit_info<plane_angle_base_dim,revolution::system_tag>
+{
+ static std::string name() { return "revolution"; }
+ static std::string symbol() { return "rev"; }
+};
+
+} // namespace units
+
+} // namespace boost
+
+#include <boost/units/systems/conversions/conversion_headers.hpp>
+
+#endif // BOOST_UNITS_REVOLUTION_HPP