feat: inverse() math utility added

Relates to #268
2023-09-20 20:13:39 +02:00
parent becca905e7
commit f9ffacc713
2 changed files with 31 additions and 4 deletions
@@ -271,6 +271,19 @@ template<Unit auto To, auto R, typename Rep>
  }
 }

+/**
+ * @brief Computes the inverse of a quantity in a provided unit
+ */
+template<Unit auto To, auto R, typename Rep>
+[[nodiscard]] constexpr QuantityOf<dimensionless / get_quantity_spec(R)> auto inverse(const quantity<R, Rep>& q)
+  requires requires {
+    quantity_values<Rep>::one();
+    value_cast<To>(1 / q);
+  }
+{
+  return (quantity_values<Rep>::one() * one).force_in(To * q.unit) / q;
+}
+
 /**
 * @brief Computes the square root of the sum of the squares of x and y,
 *        without undue overflow or underflow at intermediate stages of the computation