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xo-unit: + unit_qty namespace w/ unit qty vars

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Roland Conybeare 2024-04-05 01:41:24 -04:00
commit 859fdfd2c4
1 changed files with 32 additions and 0 deletions
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32
include/xo/unit/quantity.hpp
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@ -513,6 +513,38 @@ namespace xo {
return quantity<units::volatility_250d, Repr>::promote(x);
}
} /*namespace qty*/
namespace unit_qty {
/** @brief quantity with mass dimension, representing 1mg (1 milligram = 10^-3 grams) **/
static constexpr auto milligram = qty::milligrams(1.0);
/** @brief quantity with mass dimension, representing 1g (1 gram) **/
static constexpr auto gram = qty::grams(1.0);
/** @brief quantity with mass dimension, representing 1kg (1 kilogram = 1000 grams) **/
static constexpr auto kilogram = qty::kilograms(1.0);
/** @brief quantity with length dimension representing 1mm (10^-3 meters) **/
static constexpr auto millimeter = qty::millimeters(1.0);
/** @brief quantity with length dimension representing 1m (1 meter) **/
static constexpr auto meter = qty::meters(1.0);
/** @brief quantity with length dimension representing 1km (1 kilometer = 1000 meters) **/
static constexpr auto kilometer = qty::kilometers(1.0);
/** @brief quantity with time dimension representing 1ns (1 nanosecond = 10^-9 seconds) **/
static constexpr auto nanosecond = qty::microseconds(1);
/** @brief quantity with time dimension representing 1us (1 microsecond = 10^-6 seconds) **/
static constexpr auto microsecond = qty::microseconds(1);
/** @brief quantity with time dimension representing 1ms (1 milliseconds = 10^-3 seconds) **/
static constexpr auto millisecond = qty::milliseconds(1);
/** @brief quantity with time dimension representing 1s (1 second) **/
static constexpr auto second = qty::seconds(1);
/** @brief quantity with time dimension representing 1min (1 minute = 60 seconds) **/
static constexpr auto minute = qty::minutes(1);
/** @brief quantity with time dimension representing 1hr (1 hour = 60 minutes) **/
static constexpr auto hour = qty::hours(1);
/** @brief quantity with time dimension representing 1dy (1 day = 24 hours) **/
static constexpr auto day = qty::days(1);
}
} /*namespace unit*/
} /*namespace xo*/