From ecb158eaa722759a966f9b24a61f43b1ab9df65e Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Thu, 26 Mar 2020 16:37:47 +0100
Subject: [PATCH] Concepts enabled for customization points

---
 src/include/units/concepts.h             | 1 -
 src/include/units/customization_points.h | 5 +++--
 src/include/units/quantity_cast.h        | 1 +
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/include/units/concepts.h b/src/include/units/concepts.h
index 9f1a917e..47fd590a 100644
--- a/src/include/units/concepts.h
+++ b/src/include/units/concepts.h
@@ -27,7 +27,6 @@
 #include <units/bits/external/hacks.h>
 #include <units/bits/external/numeric_concepts.h>
 #include <units/bits/external/type_traits.h>
-#include <units/customization_points.h>
 
 namespace units {
 
diff --git a/src/include/units/customization_points.h b/src/include/units/customization_points.h
index 0e8b70bd..02237684 100644
--- a/src/include/units/customization_points.h
+++ b/src/include/units/customization_points.h
@@ -22,6 +22,7 @@
 
 #pragma once
 
+#include <units/concepts.h>
 #include <limits>
 #include <type_traits>
 
@@ -36,7 +37,7 @@ namespace units {
  * 
  * @tparam Rep a representation type for which a type trait is defined
  */
-template<typename Rep>
+template<Scalar Rep>
 inline constexpr bool treat_as_floating_point = std::is_floating_point_v<Rep>;
 
 /**
@@ -48,7 +49,7 @@ inline constexpr bool treat_as_floating_point = std::is_floating_point_v<Rep>;
  * 
  * @tparam Rep a representation type for which a type trait is defined
  */
-template<typename Rep>
+template<Scalar Rep>
 struct quantity_values {
   static constexpr Rep zero() noexcept { return Rep(0); }
   static constexpr Rep one() noexcept { return Rep(1); }
diff --git a/src/include/units/quantity_cast.h b/src/include/units/quantity_cast.h
index 873cce4b..e160494d 100644
--- a/src/include/units/quantity_cast.h
+++ b/src/include/units/quantity_cast.h
@@ -23,6 +23,7 @@
 #pragma once
 
 #include <units/concepts.h>
+#include <units/customization_points.h>
 #include <units/bits/dimension_op.h>
 #include <cassert>