1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
2 // unit/quantity manipulation and conversion
3 //
4 // Copyright (C) 2003-2008 Matthias Christian Schabel
5 // Copyright (C) 2007-2008 Steven Watanabe
6 //
7 // Distributed under the Boost Software License, Version 1.0. (See
8 // accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
10 
11 // No include guards.  This header is intended to be included
12 // multiple times.
13 
14 // units of temperature
15 
16 #if defined(BOOST_UNITS_SI_KELVIN_BASE_UNIT_HPP) && defined(BOOST_UNITS_TEMPERATURE_CELSIUS_BASE_UNIT_HPP) &&\
17     !defined(BOOST_UNITS_SYSTEMS_KELVIN_TO_CELSIUS_CONVERSION_DEFINED)
18     #define BOOST_UNITS_SYSTEMS_KELVIN_TO_CELSIUS_CONVERSION_DEFINED
19     #include <boost/units/conversion.hpp>
20     #include <boost/units/absolute.hpp>
21     BOOST_UNITS_DEFINE_CONVERSION_FACTOR(boost::units::si::kelvin_base_unit, boost::units::temperature::celsius_base_unit, one, make_one());
22     BOOST_UNITS_DEFINE_CONVERSION_OFFSET(boost::units::si::kelvin_base_unit, boost::units::temperature::celsius_base_unit, double, -273.15);
23 #endif
24 
25 #if defined(BOOST_UNITS_SI_KELVIN_BASE_UNIT_HPP) && defined(BOOST_UNITS_TEMPERATURE_FAHRENHEIT_BASE_UNIT_HPP) &&\
26     !defined(BOOST_UNITS_SYSTEMS_KELVIN_TO_FAHRENHEIT_CONVERSION_DEFINED)
27     #define BOOST_UNITS_SYSTEMS_KELVIN_TO_FAHRENHEIT_CONVERSION_DEFINED
28     #include <boost/units/conversion.hpp>
29     #include <boost/units/absolute.hpp>
30     BOOST_UNITS_DEFINE_CONVERSION_FACTOR(boost::units::si::kelvin_base_unit, boost::units::temperature::fahrenheit_base_unit, double, 9.0/5.0);
31     BOOST_UNITS_DEFINE_CONVERSION_OFFSET(boost::units::si::kelvin_base_unit, boost::units::temperature::fahrenheit_base_unit, double, -273.15 * 9.0 / 5.0 + 32.0);
32 #endif
33 
34 #if defined(BOOST_UNITS_TEMPERATURE_CELSIUS_BASE_UNIT_HPP) && defined(BOOST_UNITS_TEMPERATURE_FAHRENHEIT_BASE_UNIT_HPP) &&\
35     !defined(BOOST_UNITS_SYSTEMS_CELSUIS_TO_FAHRENHEIT_CONVERSION_DEFINED)
36     #define BOOST_UNITS_SYSTEMS_CELSUIS_TO_FAHRENHEIT_CONVERSION_DEFINED
37     #include <boost/units/conversion.hpp>
38     #include <boost/units/absolute.hpp>
39     BOOST_UNITS_DEFINE_CONVERSION_FACTOR(boost::units::temperature::celsius_base_unit, boost::units::temperature::fahrenheit_base_unit, double, 9.0/5.0);
40     BOOST_UNITS_DEFINE_CONVERSION_OFFSET(boost::units::temperature::celsius_base_unit, boost::units::temperature::fahrenheit_base_unit, double, 32.0);
41 #endif
42 
43