From fe660cdff59aa3a939479ed60172e5c0803552b2 Mon Sep 17 00:00:00 2001
From: Daniel Wilhelm <shieldwed@outlook.com>
Date: Sun, 8 Jan 2017 18:21:23 +0100
Subject: 8.7

---
 zen/basic_math.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'zen/basic_math.h')

diff --git a/zen/basic_math.h b/zen/basic_math.h
index e9e17466..eed23477 100644
--- a/zen/basic_math.h
+++ b/zen/basic_math.h
@@ -18,7 +18,7 @@
 namespace numeric
 {
 template <class T> T abs(T value);
-template <class T> T dist(T a, T b);
+template <class T> auto dist(T a, T b);
 template <class T> int sign(T value); //returns one of {-1, 0, 1}
 template <class T> T min(T a, T b, T c);
 template <class T> T max(T a, T b, T c);
@@ -90,7 +90,7 @@ T abs(T value)
 }
 
 template <class T> inline
-T dist(T a, T b)
+auto dist(T a, T b) //return type might be different than T, e.g. std::chrono::duration instead of std::chrono::time_point
 {
     return a > b ? a - b : b - a;
 }
-- 
cgit