From 824f0c1104eb4bdad9c034053e6f3efc47d55328 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johel=20Ernesto=20Guerrero=20Pe=C3=B1a?=
 <johelegp@gmail.com>
Date: Fri, 25 Oct 2024 14:39:16 -0400
Subject: [PATCH] [qty.unit.types] Update `Magnitude * Unit`

Co-authored-by: Mateusz Pusz <mateusz.pusz@gmail.com>
---
 docs/api_reference/src/quantities.tex | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/docs/api_reference/src/quantities.tex b/docs/api_reference/src/quantities.tex
index 47c035972..22b1303e4 100644
--- a/docs/api_reference/src/quantities.tex
+++ b/docs/api_reference/src/quantities.tex
@@ -1874,7 +1874,12 @@
   {
     if constexpr (^const M == ^decltype(mag<1>))
       return u;
-    else
+    else if constexpr (@\exposidnc{is-specialization-of}@(^U, ^scaled_unit)) {
+      if constexpr (M{} * U::mag == mag<1>)
+        return U::reference_unit;
+      else
+        return scaled_unit<M{} * U::mag, std::remove_const_t<decltype(U::reference_unit)>>{};
+    } else
       return scaled_unit<M{}, U>{};
   }