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77 lines
3.6 KiB
77 lines
3.6 KiB
// 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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