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fix: inverse(Quantity) fixed for subkinds of dimensionless

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Mateusz Pusz
2025-01-10 22:50:26 +01:00
parent e15205e47c
commit 3bac7a4876
1 changed files with 6 additions and 2 deletions
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6
src/core/include/mp-units/math.h
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@@ -444,12 +444,16 @@ template<Unit auto To, auto R, typename Rep>
* @brief Computes the inverse of a quantity in a provided unit * @brief Computes the inverse of a quantity in a provided unit
*/ */
template<Unit auto To, auto R, typename Rep> template<Unit auto To, auto R, typename Rep>
[[nodiscard]] constexpr QuantityOf<dimensionless / get_quantity_spec(R)> auto inverse(const quantity<R, Rep>& q) [[nodiscard]] constexpr Quantity auto inverse(const quantity<R, Rep>& q)
requires requires { requires requires {
representation_values<Rep>::one(); representation_values<Rep>::one();
value_cast<To>(representation_values<Rep>::one() / q); value_cast<To>(representation_values<Rep>::one() / q);
} }
{ {
if constexpr (AssociatedUnit<MP_UNITS_REMOVE_CONST(decltype(To))>) {
constexpr QuantitySpec auto qs = get_quantity_spec(To) * quantity<R, Rep>::quantity_spec;
return qs(representation_values<Rep>::one() * one).force_in(To * quantity<R, Rep>::unit) / q;
} else
return (representation_values<Rep>::one() * one).force_in(To * quantity<R, Rep>::unit) / q; return (representation_values<Rep>::one() * one).force_in(To * quantity<R, Rep>::unit) / q;
} }