maths: take references for generic types in almost_equal

2017-06-13 14:18:53 +10:00 · 2017-06-13 14:18:53 +10:00 · 089caff53e
commit 089caff53e
parent f50c77425d
1 changed files with 1 additions and 1 deletions
--- a/maths.hpp
+++ b/maths.hpp
@ -115,7 +115,7 @@ namespace util {
        std::is_arithmetic<Tb>::value,
        bool
    >
-    exactly_equal (const Ta a, const Tb b)
+    exactly_equal (const Ta &a, const Tb &b)
    {
        return a == b;
    }