78 lines
3.7 KiB
C++
78 lines
3.7 KiB
C++
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// Boost.Units - A C++ library for zero-overhead dimensional analysis and
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// unit/quantity manipulation and conversion
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//
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// Copyright (C) 2003-2008 Matthias Christian Schabel
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// Copyright (C) 2007-2008 Steven Watanabe
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_UNITS_SI_PREFIXES_HPP
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#define BOOST_UNITS_SI_PREFIXES_HPP
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#include <boost/units/static_constant.hpp>
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#include <boost/units/make_scaled_unit.hpp>
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#include <boost/units/systems/si/dimensionless.hpp>
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namespace boost {
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namespace units {
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namespace si {
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#define BOOST_UNITS_METRIC_PREFIX(exponent, name) \
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typedef make_scaled_unit<dimensionless, scale<10, static_rational<exponent> > >::type name ## _type;\
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BOOST_UNITS_STATIC_CONSTANT(name, name ## _type)
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BOOST_UNITS_METRIC_PREFIX(-24, yocto);
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BOOST_UNITS_METRIC_PREFIX(-21, zepto);
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BOOST_UNITS_METRIC_PREFIX(-18, atto);
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BOOST_UNITS_METRIC_PREFIX(-15, femto);
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BOOST_UNITS_METRIC_PREFIX(-12, pico);
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BOOST_UNITS_METRIC_PREFIX(-9, nano);
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BOOST_UNITS_METRIC_PREFIX(-6, micro);
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BOOST_UNITS_METRIC_PREFIX(-3, milli);
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BOOST_UNITS_METRIC_PREFIX(-2, centi);
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BOOST_UNITS_METRIC_PREFIX(-1, deci);
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BOOST_UNITS_METRIC_PREFIX(1, deka);
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BOOST_UNITS_METRIC_PREFIX(2, hecto);
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BOOST_UNITS_METRIC_PREFIX(3, kilo);
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BOOST_UNITS_METRIC_PREFIX(6, mega);
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BOOST_UNITS_METRIC_PREFIX(9, giga);
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BOOST_UNITS_METRIC_PREFIX(12, tera);
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BOOST_UNITS_METRIC_PREFIX(15, peta);
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BOOST_UNITS_METRIC_PREFIX(18, exa);
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BOOST_UNITS_METRIC_PREFIX(21, zetta);
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BOOST_UNITS_METRIC_PREFIX(24, yotta);
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/*BOOST_UNITS_STATIC_CONSTANT(yocto,long double) = (1e-24); ///< metric prefix for 1.0e-24
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BOOST_UNITS_STATIC_CONSTANT(zepto,long double) = (1e-21); ///< metric prefix for 1.0e-21
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BOOST_UNITS_STATIC_CONSTANT(atto,long double) = (1e-18); ///< metric prefix for 1.0e-18
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BOOST_UNITS_STATIC_CONSTANT(femto,long double) = (1e-15); ///< metric prefix for 1.0e-15
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BOOST_UNITS_STATIC_CONSTANT(pico,long double) = (1e-12); ///< metric prefix for 1.0e-12
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BOOST_UNITS_STATIC_CONSTANT(nano,long double) = (1e-9); ///< metric prefix for 1.0e-9
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BOOST_UNITS_STATIC_CONSTANT(micro,long double) = (1e-6); ///< metric prefix for 1.0e-6
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BOOST_UNITS_STATIC_CONSTANT(milli,long double) = (1e-3); ///< metric prefix for 1.0e-3
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BOOST_UNITS_STATIC_CONSTANT(centi,long double) = (1e-2); ///< metric prefix for 1.0e-2
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BOOST_UNITS_STATIC_CONSTANT(deci,long double) = (1e-1); ///< metric prefix for 1.0e-1
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BOOST_UNITS_STATIC_CONSTANT(deka,long double) = (1e1); ///< metric prefix for 1.0e+1
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BOOST_UNITS_STATIC_CONSTANT(hecto,long double) = (1e2); ///< metric prefix for 1.0e+2
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BOOST_UNITS_STATIC_CONSTANT(kilo,long double) = (1e3); ///< metric prefix for 1.0e+3
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BOOST_UNITS_STATIC_CONSTANT(mega,long double) = (1e6); ///< metric prefix for 1.0e+6
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BOOST_UNITS_STATIC_CONSTANT(giga,long double) = (1e9); ///< metric prefix for 1.0e+9
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BOOST_UNITS_STATIC_CONSTANT(tera,long double) = (1e12); ///< metric prefix for 1.0e+12
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BOOST_UNITS_STATIC_CONSTANT(peta,long double) = (1e15); ///< metric prefix for 1.0e+15
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BOOST_UNITS_STATIC_CONSTANT(exa,long double) = (1e18); ///< metric prefix for 1.0e+18
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BOOST_UNITS_STATIC_CONSTANT(zetta,long double) = (1e21); ///< metric prefix for 1.0e+21
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BOOST_UNITS_STATIC_CONSTANT(yotta,long double) = (1e24); ///< metric prefix for 1.0e+24 */
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} // namespace si
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} // namespace units
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} // namespace boost
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#endif // BOOST_UNITS_SI_PREFIXES_HPP
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