ceph/src/boost/boost/units/systems/si/prefixes.hpp

   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 #ifndef BOOST_UNITS_SI_PREFIXES_HPP
  12 #define BOOST_UNITS_SI_PREFIXES_HPP
  13
  14 #include <boost/units/static_constant.hpp>
  15
  16 #include <boost/units/make_scaled_unit.hpp>
  17 #include <boost/units/systems/si/dimensionless.hpp>
  18
  19 namespace boost {
  20
  21 namespace units {
  22
  23 namespace si {
  24
  25 #define BOOST_UNITS_METRIC_PREFIX(exponent, name)                                                       \
  26     typedef make_scaled_unit<dimensionless, scale<10, static_rational<exponent> > >::type name ## _type;\
  27     BOOST_UNITS_STATIC_CONSTANT(name, name ## _type)
  28
  29 BOOST_UNITS_METRIC_PREFIX(-24, yocto);
  30 BOOST_UNITS_METRIC_PREFIX(-21, zepto);
  31 BOOST_UNITS_METRIC_PREFIX(-18, atto);
  32 BOOST_UNITS_METRIC_PREFIX(-15, femto);
  33 BOOST_UNITS_METRIC_PREFIX(-12, pico);
  34 BOOST_UNITS_METRIC_PREFIX(-9, nano);
  35 BOOST_UNITS_METRIC_PREFIX(-6, micro);
  36 BOOST_UNITS_METRIC_PREFIX(-3, milli);
  37 BOOST_UNITS_METRIC_PREFIX(-2, centi);
  38 BOOST_UNITS_METRIC_PREFIX(-1, deci);
  39 BOOST_UNITS_METRIC_PREFIX(1, deka);
  40 BOOST_UNITS_METRIC_PREFIX(2, hecto);
  41 BOOST_UNITS_METRIC_PREFIX(3, kilo);
  42 BOOST_UNITS_METRIC_PREFIX(6, mega);
  43 BOOST_UNITS_METRIC_PREFIX(9, giga);
  44 BOOST_UNITS_METRIC_PREFIX(12, tera);
  45 BOOST_UNITS_METRIC_PREFIX(15, peta);
  46 BOOST_UNITS_METRIC_PREFIX(18, exa);
  47 BOOST_UNITS_METRIC_PREFIX(21, zetta);
  48 BOOST_UNITS_METRIC_PREFIX(24, yotta);
  49
  50 /*BOOST_UNITS_STATIC_CONSTANT(yocto,long double) = (1e-24);       ///< metric prefix for 1.0e-24
  51 BOOST_UNITS_STATIC_CONSTANT(zepto,long double) = (1e-21);       ///< metric prefix for 1.0e-21
  52 BOOST_UNITS_STATIC_CONSTANT(atto,long double) = (1e-18);        ///< metric prefix for 1.0e-18
  53 BOOST_UNITS_STATIC_CONSTANT(femto,long double) = (1e-15);       ///< metric prefix for 1.0e-15
  54 BOOST_UNITS_STATIC_CONSTANT(pico,long double) = (1e-12);        ///< metric prefix for 1.0e-12
  55 BOOST_UNITS_STATIC_CONSTANT(nano,long double) = (1e-9);         ///< metric prefix for 1.0e-9
  56 BOOST_UNITS_STATIC_CONSTANT(micro,long double) = (1e-6);        ///< metric prefix for 1.0e-6
  57 BOOST_UNITS_STATIC_CONSTANT(milli,long double) = (1e-3);        ///< metric prefix for 1.0e-3
  58 BOOST_UNITS_STATIC_CONSTANT(centi,long double) = (1e-2);        ///< metric prefix for 1.0e-2
  59 BOOST_UNITS_STATIC_CONSTANT(deci,long double) = (1e-1);         ///< metric prefix for 1.0e-1
  60 BOOST_UNITS_STATIC_CONSTANT(deka,long double) = (1e1);          ///< metric prefix for 1.0e+1
  61 BOOST_UNITS_STATIC_CONSTANT(hecto,long double) = (1e2);         ///< metric prefix for 1.0e+2
  62 BOOST_UNITS_STATIC_CONSTANT(kilo,long double) = (1e3);          ///< metric prefix for 1.0e+3
  63 BOOST_UNITS_STATIC_CONSTANT(mega,long double) = (1e6);          ///< metric prefix for 1.0e+6
  64 BOOST_UNITS_STATIC_CONSTANT(giga,long double) = (1e9);          ///< metric prefix for 1.0e+9
  65 BOOST_UNITS_STATIC_CONSTANT(tera,long double) = (1e12);         ///< metric prefix for 1.0e+12
  66 BOOST_UNITS_STATIC_CONSTANT(peta,long double) = (1e15);         ///< metric prefix for 1.0e+15
  67 BOOST_UNITS_STATIC_CONSTANT(exa,long double) = (1e18);          ///< metric prefix for 1.0e+18
  68 BOOST_UNITS_STATIC_CONSTANT(zetta,long double) = (1e21);        ///< metric prefix for 1.0e+21
  69 BOOST_UNITS_STATIC_CONSTANT(yotta,long double) = (1e24);        ///< metric prefix for 1.0e+24 */
  70
  71 } // namespace si
  72
  73 } // namespace units
  74
  75 } // namespace boost
  76
  77 #endif // BOOST_UNITS_SI_PREFIXES_HPP