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common.hpp
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common.hpp
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#ifndef UNLIB_COMMON_HPP
#define UNLIB_COMMON_HPP
/*
* common.hpp
*
* Copyright sbi http://stackoverflow.com/users/140719
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
* http://www.boost.org/LICENSE_1_0.txt)
*
*/
#include <cinttypes>
#include <unlib/quantity.hpp>
namespace unlib {
/** @{
* @brief some common physical units derived from the seven base units
*
* This defines a few derived physical units. They can be used to declare
* templates which refer to a quantity of some unit at any scale.
*
* @code
* template<typename Scale>
* void f(unlib::quantity<unlib::velocity, Scale, double, void>);
*
*/
using frequency = reciprocal_unit_t< time >;
using velocity = div_unit_t< length , time >;
using area = square_unit_t< length >;
using volume = cube_unit_t< length >;
using pressure = div_unit_t< mass , mul_unit_t<length, square_unit_t<time>> >;
using voltage = div_unit_t< mul_unit_t<mass , square_unit_t<length>>
, mul_unit_t<current, cube_unit_t<time >> >;
using power = mul_unit_t< current, voltage >;
using energy = mul_unit_t< power , time >;
using electric_charge = mul_unit_t< current, time >;
using resistance = div_unit_t< voltage, current >;
using volumetric_flow_rate = div_unit_t< volume , time >;
/** @} */
#if !defined(UNLIB_LITERAL_OPERATOR_INTEGER_VALUE_TYPE)
# define UNLIB_LITERAL_OPERATOR_INTEGER_VALUE_TYPE long
#endif
#if !defined(UNLIB_LITERAL_OPERATOR_FLOATPT_VALUE_TYPE)
# define UNLIB_LITERAL_OPERATOR_FLOATPT_VALUE_TYPE double
#endif
namespace literals {
using integer_value_type = UNLIB_LITERAL_OPERATOR_INTEGER_VALUE_TYPE; /**< value type of quantity return by integer literal operator */
using floatpt_value_type = UNLIB_LITERAL_OPERATOR_FLOATPT_VALUE_TYPE; /**< value type of quantity return by float literal operator */
}
/** @{
*
* Macros to define literal operators for units and for their prefixed versions
*
* @param Qty_ Quantity (e.g., meter)
* @param Sc_ Scale (e.g., kilo)
* @param UnitShort_ Unit's short name (e.g., km)
* @param OpT_ Operand type for literal operator (e.g., unsigned long long or long double)
* @param R_ Return type of literal operator (e.g., long long or double)
*/
/** defines a literal operator; do not call this directly */
#define UNLIB_DEFINE_LITERAL_OPERATOR(Qty_,Sc_,UnitShort_,OpT_, R_) inline constexpr auto operator""_##UnitShort_(OpT_ v) noexcept {return Sc_<Qty_<R_>>{static_cast<R_>(v)};}
/** defines a set of literal operators for a unit return double and long long */
#define UNLIB_DEFINE_SCALED_LITERAL(Qty_,Sc_,UnitShort_) namespace literals { \
UNLIB_DEFINE_LITERAL_OPERATOR(Qty_,Sc_,UnitShort_,long double , floatpt_value_type) \
UNLIB_DEFINE_LITERAL_OPERATOR(Qty_,Sc_,UnitShort_,unsigned long long, integer_value_type) \
}
/** define the literal operators for all the micro unit prefixes (atto-deci) */
#define UNLIB_DEFINE_METRIC_MICRO_PREFIXED_LITERAL(Qty_,UnitShort_) UNLIB_DEFINE_SCALED_LITERAL(Qty_,atto , a##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,femto, f##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,pico , p##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,nano , n##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,micro, u##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,milli, m##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,centi, c##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,deci , d##UnitShort_)
/** define the literal operators for all the macro unit prefixes (deca-tera) */
#define UNLIB_DEFINE_METRIC_MACRO_PREFIXED_LITERAL(Qty_,UnitShort_) UNLIB_DEFINE_SCALED_LITERAL(Qty_,deca ,dk##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,hecto, h##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,kilo , k##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,mega , M##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,giga , G##UnitShort_) \
UNLIB_DEFINE_SCALED_LITERAL(Qty_,tera , T##UnitShort_)
//UNLIB_DEFINE_SCALED_LITERAL(Qty_,peta , P##UnitShort_)
//UNLIB_DEFINE_SCALED_LITERAL(Qty_,exa , E##UnitShort_)
/** define the literal operators for all unit prefixes (atto-tera) */
#define UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(Qty_,UnitShort_) UNLIB_DEFINE_METRIC_MICRO_PREFIXED_LITERAL(Qty_,UnitShort_) \
UNLIB_DEFINE_METRIC_MACRO_PREFIXED_LITERAL(Qty_,UnitShort_)
/** define the literal operators for a physical unit (nor prefixes) */
#define UNLIB_DEFINE_LITERAL(Qty_,UnitShort_) UNLIB_DEFINE_SCALED_LITERAL(Qty_,no_scale,UnitShort_)
/** @} */
/**
* @{
*
* time quantities
*
* @tparam V value type
*/
template<typename V> using second = quantity<time, no_scaling, V>; UNLIB_DEFINE_LITERAL(second, s ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(second, s)
template<typename V> using minute = minute_scale<second<V>>; UNLIB_DEFINE_LITERAL(minute, min )
template<typename V> using hour = hour_scale<second<V>>; UNLIB_DEFINE_LITERAL( hour, h )
template<typename V> using day = day_scale<second<V>>; UNLIB_DEFINE_LITERAL( day, d )
template<typename V> using week = week_scale<second<V>>; UNLIB_DEFINE_LITERAL( week, week)
/** @} */
/**
* @{
*
* mass quantities
*
* @tparam V value type
*/
template<typename V> using gram = quantity<mass, no_scaling, V>; UNLIB_DEFINE_LITERAL(gram, g) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS (gram, g)
template<typename V> using ton = to_mega<gram<V>>; UNLIB_DEFINE_LITERAL( ton, t) UNLIB_DEFINE_METRIC_MACRO_PREFIXED_LITERAL(ton, t)
/** @} */
/**
* @{
*
* length quantities
*
* @tparam V value type
*/
template<typename V> using meter = quantity<length, no_scaling, V>; UNLIB_DEFINE_LITERAL(meter, m) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(meter, m)
/** @} */
/**
* @{
*
* area quantities
*
* @tparam V value type
*/
template<typename V> using square_millimeter = quantity<area, micro_scaling, V>; UNLIB_DEFINE_LITERAL(square_millimeter, mm2)
template<typename V> using square_centimeter = quantity<area, std::ratio<1,10000>, V>; UNLIB_DEFINE_LITERAL(square_centimeter, cm2)
template<typename V> using square_meter = quantity<area, no_scaling, V>; UNLIB_DEFINE_LITERAL( square_meter, m2)
template<typename V> using square_kilometer = quantity<area, mega_scaling, V>; UNLIB_DEFINE_LITERAL( square_kilometer, km2)
template<typename V> using are = quantity<area, std::ratio<100,1>, V>;
template<typename V> using hectare = quantity<area, std::ratio<10000,1>, V>; UNLIB_DEFINE_LITERAL( hectare, ha)
/** @} */
/**
* @{
*
* volume quantities
*
* @tparam V value type
*/
template<typename V> using cubic_millimeter = quantity<volume, nano_scaling, V>; UNLIB_DEFINE_LITERAL( cubic_millimeter, mm3)
template<typename V> using cubic_centimeter = quantity<volume, micro_scaling, V>; UNLIB_DEFINE_LITERAL( cubic_centimeter, cm3)
template<typename V> using cubic_meter = quantity<volume, no_scaling, V>; UNLIB_DEFINE_LITERAL( cubic_meter, m3)
template<typename V> using cubic_kilometer = quantity<volume, giga_scaling, V>; UNLIB_DEFINE_LITERAL( cubic_kilometer, km3)
template<typename V> using milliliter = cubic_centimeter<V>; UNLIB_DEFINE_LITERAL( milliliter, ml)
template<typename V> using liter = quantity<volume, milli_scaling, V>; UNLIB_DEFINE_LITERAL( liter, l)
/** @} */
/**
* @{
*
* temperature quantities
*
* @tparam V value type
*/
using celsius_tag = tag_t<struct celsius_tag_id>;
using fahrenheit_tag = tag_t<struct fahrenheit_tag_id>;
template<typename V> using degree_kelvin = quantity<temperature, no_scaling , V>;
template<typename V> using degree_celsius = quantity<temperature, no_scaling , V, celsius_tag>;
template<typename V> using degree_fahrenheit = quantity<temperature, std::ratio<5,9>, V, fahrenheit_tag>;
/** @} */
/**
* @{
*
* frequency quantities
*
* @tparam V value type
*/
template<typename V> using hertz = quantity<frequency, no_scaling, V>; UNLIB_DEFINE_LITERAL(hertz, Hz) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(hertz, Hz)
/** @} */
/**
* @{
*
* electrical quantities
*
* @tparam V value type
*/
template<typename V> using ampere = quantity<current , no_scaling, V>; UNLIB_DEFINE_LITERAL(ampere, A) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(ampere, A)
template<typename V> using volt = quantity<voltage , no_scaling, V>; UNLIB_DEFINE_LITERAL( volt, V) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(volt , V)
template<typename V> using ohm = quantity<resistance, no_scaling, V>; UNLIB_DEFINE_LITERAL( ohm, O) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(ohm , O)
/** @} */
/**
* @{
*
* power quantities
*
* @tparam V value type
*/
using reactive_power_tag = tag_t<struct reactive_power_tag_id>;
using apparent_power_tag = tag_t<struct apparent_power_tag_id>;
template<typename V> using watt = quantity<power, no_scaling, V>; UNLIB_DEFINE_LITERAL( watt, W ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(watt , W )
template<typename V> using var = typename watt<V>::template retag<reactive_power_tag>; UNLIB_DEFINE_LITERAL( var, VAr) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(var , VAr)
template<typename V> using voltampere = typename watt<V>::template retag<apparent_power_tag>; UNLIB_DEFINE_LITERAL(voltampere, VA ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(voltampere, VA )
/** @} */
/**
* @{
*
* energy quantities
*
* @tparam V value type
*/
using joule_tag = tag_t<struct jule_tag_id>;
template<typename V> using joule = quantity<energy, no_scaling, V, joule_tag>; UNLIB_DEFINE_LITERAL( joule, J ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS( joule , J )
template<typename V> using watt_second = typename joule<V>::untag; UNLIB_DEFINE_LITERAL( watt_second, Ws ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS( watt_second, Ws )
template<typename V> using watt_hour = scale_to_t<hour_scaling, watt_second<V>>; UNLIB_DEFINE_LITERAL( watt_hour , Wh ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS( watt_hour , Wh )
template<typename V> using var_second = typename joule<V>::template retag<reactive_power_tag>; UNLIB_DEFINE_LITERAL( var_second, VArs) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS( var_second, VArs)
template<typename V> using var_hour = scale_to_t<hour_scaling, var_second<V>>; UNLIB_DEFINE_LITERAL( var_hour , VArh) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS( var_hour , VArh)
template<typename V> using voltampere_second = typename joule<V>::template retag<apparent_power_tag>; UNLIB_DEFINE_LITERAL(voltampere_second, VAs ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(voltampere_second, VAs )
template<typename V> using voltampere_hour = scale_to_t<hour_scaling, voltampere_second<V>>; UNLIB_DEFINE_LITERAL(voltampere_hour , VAh ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(voltampere_hour , VAh )
/** @} */
/**
* @{
*
* electric charge quantities
*
* @tparam V value type
*/
template<typename V> using ampere_second = quantity<electric_charge, no_scaling, V>; UNLIB_DEFINE_LITERAL(ampere_second, As) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(ampere_second, As)
template<typename V> using ampere_hour = typename ampere_second<V>::template rescale_by<hour_scaling>; UNLIB_DEFINE_LITERAL(ampere_hour , Ah) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(ampere_hour , Ah)
/** @} */
/**
* @{
*
* pressure quantities
*
* @tparam V value type
*
* @note Sadly, `pascal` is a keyword/macro on Windows; hence `pascal_`.
*/
template<typename V> using pascal_ = quantity<pressure, no_scaling , V>; UNLIB_DEFINE_LITERAL(pascal_, Pa ) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(pascal_, Pa )
template<typename V> using bar = quantity<pressure, scale_t<100000>, V>; UNLIB_DEFINE_LITERAL(bar , bar) UNLIB_DEFINE_METRIC_PREFIXED_LITERALS(bar , bar)
/** @} */
/**
* @{
*
* velocity quantities
*
* @tparam V value type
*/
template<typename V> using meter_per_second = div_quantity_t<meter<V>, second<V>>; UNLIB_DEFINE_LITERAL( meter_per_second, m_per_s )
template<typename V> using kilometer_per_hour = div_quantity_t<to_kilo<meter<V>>, hour<V>>; UNLIB_DEFINE_LITERAL(kilometer_per_hour , km_per_h)
/** @} */
/**
* @{
*
* volumetric flow rate
*
* @tparam V value type
*/
template<typename V> using liter_per_hour = div_quantity_t<liter<V>, hour<V>>; UNLIB_DEFINE_LITERAL(liter_per_hour, l_per_h)
/** @} */
/**
* @{
*
* @brief scalar quantities
*
* Scalars are quantities with a dimensionless unit. The offer little
* advantage over a plain value type when untagged, so they should always
* have a tag.
*
* @tparam V value type
* @tparam T tag
* @tparam S scale
*/
template<typename V, typename T, typename S=scale_t<1>> using scalar = quantity<dimensionless, S, V, T>;
template<typename V, typename S=scale_t<1>> using fraction = scalar<V, no_tag, S>;
template<typename V> using percent = typename fraction<V>::template rescale_by<centi_scaling>;
template<typename V> using permill = typename fraction<V>::template rescale_by<milli_scaling>;
/** @} */
/** @{
*
* Macros to define strings for units
*
* These macros allow fine-tuning the unit string which can be obtained by
* calling @sa get_unit_string() on a common quantity.
*
* Users should not need to extend the scaling prefixes, but might want to
* use @sa UNLIB_DEFINE_UNIT_LITERAL_TRAITS() to define strings for their
* own units.
*
* For quantities with non-regular scaling (minutes, cubic kilometers),
* @sa UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE() can be used. This can also be
* used if a units is not explicitly defined (meter_per_second).
*
* Finally, @sa UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED() can be used for
* quantities where some particular scalings are named irregularly (tons).
*
* @param Scale_ Scale (e.g., kilo)
* @param PrefixStr_ Scale prefix string (e.g., k)
* @param UnitStr_ Unit string (e.g., m)
* @param Qty_ Quantity (e.g., meter)
* @param QtyStr_ Quantity string (e.g., km)
*
* @note All of these _must_ be used within the namespace unlib::literals.
*/
#define UNLIB_DEFINE_SCALE_LITERAL_TRAITS(Scale_,PrefixStr_) namespace literals { \
template<> \
struct scaling_traits<Scale_> { \
using is_specialized = std::true_type; \
static constexpr const auto& get_string() {return PrefixStr_;} \
}; \
}
#define UNLIB_DEFINE_UNIT_LITERAL_TRAITS(Unit_,Tag_,UnitStr_) namespace literals { \
template<> \
struct unit_traits<Unit_,Tag_> { \
using is_specialized = std::true_type; \
static constexpr const auto& get_string() {return UnitStr_ ;} \
}; \
}
#define UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE(Qty_,QtyStr_) namespace literals { \
template<> \
struct quantity_traits<Qty_<literals::integer_value_type>:: unit_type \
,Qty_<literals::integer_value_type>::scale_type \
,Qty_<literals::integer_value_type>:: tag_type> { \
using is_specialized = std::true_type; \
static constexpr const auto& get_string() {return QtyStr_ ;} \
}; \
}
#define UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED(Scale_,Qty_,QtyStr_) namespace literals { \
template<> \
struct quantity_traits<Scale_<Qty_<literals::integer_value_type>>:: unit_type \
,Scale_<Qty_<literals::integer_value_type>>::scale_type \
,Scale_<Qty_<literals::integer_value_type>>:: tag_type> { \
using is_specialized = std::true_type; \
static constexpr const auto& get_string() {return QtyStr_ ;} \
}; \
}
/** @} */
/** define strings for the ISO scaling prefixes */
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( atto_scaling, "a")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS(femto_scaling, "f")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( pico_scaling, "p")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( nano_scaling, "n")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS(micro_scaling, "u")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS(milli_scaling, "m")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS(centi_scaling, "c")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( deci_scaling, "d")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( no_scaling, "")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( deca_scaling, "dk")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS(hecto_scaling, "h")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( kilo_scaling, "k")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( mega_scaling, "M")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( giga_scaling, "G")
UNLIB_DEFINE_SCALE_LITERAL_TRAITS( tera_scaling, "T")
//UNLIB_DEFINE_SCALE_LITERAL_TRAITS(peta , P)
//UNLIB_DEFINE_SCALE_LITERAL_TRAITS(exa , E)
/** @} */
/** define strings for commonly used units */
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(time , no_tag, "s" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(mass , no_tag, "g" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(length , no_tag, "m" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(area , no_tag, "m2" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(volume , no_tag, "m3" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(frequency , no_tag, "Hz" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(current , no_tag, "A" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(voltage , no_tag, "V" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(resistance , no_tag, "O" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(power , no_tag, "W" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(power , reactive_power_tag, "VAr" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(power , apparent_power_tag, "VA" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(energy , joule_tag, "J" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(energy , no_tag, "Ws" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(energy , reactive_power_tag, "VArs")
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(energy , apparent_power_tag, "VAs" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(electric_charge, no_tag, "As" )
UNLIB_DEFINE_UNIT_LITERAL_TRAITS(pressure , no_tag, "Pa" )
/** @} */
/** define strings for commonly used quantities */
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( minute , "min" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( hour , "h" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( day , "d" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( ton , "t" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (kilo , ton , "kt" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (mega , ton , "Mt" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( square_millimeter , "mm2" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( square_centimeter , "cm2" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( square_kilometer , "km2" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( hectare , "ha" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( cubic_millimeter , "mm3" )
//UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( cubic_centimet er, "cm3" ) // alias of ml
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( cubic_kilometer , "km3" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( milliliter , "ml" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( liter , "l" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( degree_kelvin , "K" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( degree_celsius , "C" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( degree_fahrenheit , "F" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( joule , "J" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( watt_hour , "Wh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (kilo , watt_hour , "kWh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (mega , watt_hour , "MWh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (giga , watt_hour , "GWh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( var_hour , "VArh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (kilo , var_hour , "kVArh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (mega , var_hour , "MVArh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (giga , var_hour , "GVArh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( voltampere_hour , "VAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (kilo , voltampere_hour , "kVAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (mega , voltampere_hour , "MVAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (giga , voltampere_hour , "GVAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( ampere_hour , "Ah")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (kilo , ampere_hour , "kAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (mega , ampere_hour , "MAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_SCALED (giga , ampere_hour , "GAh")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( percent , "%" )
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( bar , "bar")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( meter_per_second, "m/s")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( kilometer_per_hour , "km/h")
UNLIB_DEFINE_QUANTITY_LITERAL_TRAITS_NOSCALE( liter_per_hour , "l/h")
/** @} */
}
#endif /* UNLIB_COMMON_HPP */