xo-unit: + quantity.reciprocal()

2024-05-04 14:52:52 -04:00 · 2024-05-04 14:52:52 -04:00 · f49cce98b9
commit f49cce98b9
parent cf65def417
1 changed files with 7 additions and 1 deletions
--- a/include/xo/unit/quantity.hpp
+++ b/include/xo/unit/quantity.hpp
@ -43,7 +43,13 @@ namespace xo {

            // unit_qty
            // zero_qty
-            // reciprocal
+
+            constexpr
+            auto reciprocal() const {
+                return quantity<s_unit.reciprocal(),
+                                repr_type,
+                                ratio_int2x_type>(1.0 / scale_);
+            }

            template <typename Repr2>
            constexpr