Squashed 'third_party/boostorg/units/' content from commit 57389b7
Change-Id: Id8ff79c1508f6103e20808f7a038f6a30d113b08
git-subtree-dir: third_party/boostorg/units
git-subtree-split: 57389b7374a6f7a4caf87cc44092bb8d0db65ec6
diff --git a/example/non_base_dimension.cpp b/example/non_base_dimension.cpp
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+++ b/example/non_base_dimension.cpp
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+// 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) 2007-2008 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)
+
+/**
+\file
+
+\brief non_base_dimension.cpp
+
+\details
+Another example of user-defined units with conversions.
+
+Output:
+@verbatim
+
+//[non_base_dimension_output
+//]
+
+@endverbatim
+**/
+
+#include <iostream>
+
+#include <boost/units/io.hpp>
+#include <boost/units/conversion.hpp>
+#include <boost/units/unit.hpp>
+#include <boost/units/quantity.hpp>
+#include <boost/units/physical_dimensions.hpp>
+#include <boost/units/base_unit.hpp>
+#include <boost/units/make_system.hpp>
+
+namespace boost {
+
+namespace units {
+
+//[non_base_dimension_snippet_1
+
+struct imperial_gallon_tag :
+ base_unit<imperial_gallon_tag, volume_dimension, 1> { };
+
+typedef make_system<imperial_gallon_tag>::type imperial;
+
+typedef unit<volume_dimension,imperial> imperial_gallon;
+
+struct us_gallon_tag : base_unit<us_gallon_tag, volume_dimension, 2> { };
+
+typedef make_system<us_gallon_tag>::type us;
+
+typedef unit<volume_dimension,us> us_gallon;
+
+//]
+
+} // namespace units
+
+} // namespace boost
+
+BOOST_UNITS_DEFINE_CONVERSION_FACTOR(boost::units::imperial_gallon_tag,
+ boost::units::us_gallon_tag,
+ double, 1.2009499255);
+
+using namespace boost::units;
+
+int main(void)
+{
+ quantity<imperial_gallon> ig1(1.0*imperial_gallon());
+ quantity<us_gallon> ug1(1.0*us_gallon());
+
+ quantity<imperial_gallon> ig2(ug1);
+ quantity<us_gallon> ug2(ig1);
+
+ return 0;
+}