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xo-unit: + unit mass constants

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Roland Conybeare 2024-05-07 10:42:28 -04:00
commit eb050392a2
1 changed files with 18 additions and 0 deletions
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18
include/xo/unit/quantity.hpp
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@ -393,6 +393,24 @@ namespace xo {
template <typename Repr>
inline constexpr auto gigatonnes(Repr x) { return quantity<nu::gigatonne, Repr>(x); }
/** @brief a quantity representing 1 picogram of mass, with compile-time unit representation **/
static constexpr auto picogram = picograms(1);
/** @brief a quantity representing 1 nanogram of mass, with compile-time unit representation **/
static constexpr auto nanogram = nanograms(1);
/** @brief a quantity representing 1 microgram of mass, with compile-time unit representation **/
static constexpr auto microgram = micrograms(1);
/** @brief a quantity representing 1 milligram of mass, with compile-time unit representation **/
static constexpr auto milligram = milligrams(1);
/** @brief a quantity representing 1 gram of mass, with compile-time unit representation **/
static constexpr auto gram = grams(1);
/** @brief a quantity representing 1 kilogram of mass, with compile-time unit representation **/
static constexpr auto kilogram = kilograms(1);
/** @brief a quantity representing 1 metric tonne of mass, with compile-time unit representation **/
static constexpr auto tonne = tonnes(1);
/** @brief a quantity representing 1 metric kilotonne of mass, with compile-time unit representation **/
static constexpr auto kilotonne = kilotonnes(1);
} /*namespace qty*/
// ----- distance -----
template <typename Repr>