//
//      si_units.hpp
//
//	Copyright (c) 2001 by Michael S. Kenniston.  The most recent
//	version will be available at www.boost.org.  Permission is granted
//	to use this code without restriction so long as this copyright
//	notice appears in all source files.

//	This code is provided as-is, with no warrantee of correctness.

//	Unless otherwise specified, the definitions of all units in this
//	file are from NIST Special Publication 811, found online at
//	http://physics.nist.gov/Document/sp811.pdf


#ifndef _BFAFCE60_5FA7_11d5_B9D8_000000000000
#define _BFAFCE60_5FA7_11d5_B9D8_000000000000

#include "quantity_types.hpp"

namespace quantities {

inline Rep yotta()	{ return 1e24; }
inline Rep zetta()	{ return 1e21; }
inline Rep exa()		{ return 1e18; }
inline Rep peta()	{ return 1e15; }
inline Rep tera()	{ return 1e12; }
inline Rep giga()	{ return 1e9; }
inline Rep mega()	{ return 1e6; }
inline Rep kilo()	{ return 1e3; }
inline Rep hecto()	{ return 1e2; }
inline Rep deka()	{ return 1e1; }
inline Rep deci()	{ return 1e-1; }
inline Rep centi()	{ return 1e-2; }
inline Rep milli()	{ return 1e-3; }
inline Rep micro()	{ return 1e-6; }
inline Rep nano()	{ return 1e-9; }
inline Rep pico()	{ return 1e-12; }
inline Rep femto()	{ return 1e-15; }
inline Rep atto()	{ return 1e-18; }
inline Rep zepto()	{ return 1e-21; }
inline Rep yocto()	{ return 1e-24; }

inline quantity< frequency_d >			hertz()		{ return 1.0 / second(); }
inline quantity< force_d >				newton()	{ return meter() * kilogram() / second() / second(); }
//inline quantity< pressure_d >			pascal()	{ return newton() / meter() / meter(); }
inline quantity< energy_d >				joule()		{ return newton() * meter(); }
inline quantity< power_d >				watt()		{ return joule() / second(); }
inline quantity< electric_charge_d >		coulomb()	{ return second() * ampere(); }
inline quantity< electric_potential_d >	volt()		{ return watt() / ampere(); }
inline quantity< capacitance_d >			farad()		{ return coulomb() / volt(); }
inline quantity< electric_resistance_d >	ohm()		{ return volt() / ampere(); }
inline quantity< electric_conductance_d >	siemens()	{ return ampere() / volt(); }
inline quantity< magnetic_flux_d >		weber()		{ return volt() * second(); }
inline quantity< magnetic_flux_density_d >tesla()		{ return weber() / meter() / meter(); }
inline quantity< inductance_d >			henry()		{ return weber() / ampere(); }
inline quantity< frequency_d >			becquerel()	{ return 1 / second(); }
inline quantity< dose_d >					gray()		{ return joule() / kilogram(); }
inline quantity< dose_d >					sievert()	{ return joule() / kilogram(); }

inline quantity< time_interval_d >		minute()	{ return 60.0 * second(); }
inline quantity< time_interval_d >		hour()		{ return 3600.0 * second(); }
inline quantity< time_interval_d >		day()		{ return 86400.0 * second(); }
inline quantity< volume_d >				liter()		{ return 1e-3 * meter() * meter() * meter(); }
inline quantity< mass_d >					metric_ton(){ return 1e+3 * kilogram(); }

inline quantity< length_d >				angstrom()	{ return 1e-10 * meter(); }
inline quantity< area_d >					are()		{ return 1e2 * meter() * meter(); }
inline quantity< area_d >					hectare()	{ return 1e4 * meter() * meter(); }
inline quantity< area_d >					barn()		{ return 1e-28 * meter() * meter(); }
//inline quantity< pressure_d >			bar()		{ return 1e5 * pascal(); }
inline quantity< acceleration_d >			gal()		{ return 1e-2 * meter() / second() / second(); }

} // namespace quantities

#endif // _BFAFCE60_5FA7_11d5_B9D8_000000000000