maths: add pow2 convenience function

2019-03-28 14:27:02 +11:00 · 2019-03-28 14:27:02 +11:00 · b9f739324a
commit b9f739324a
parent a50624340e
1 changed files with 7 additions and 0 deletions
--- a/maths.hpp
+++ b/maths.hpp
@ -192,6 +192,13 @@ namespace cruft {
    }


+    //-------------------------------------------------------------------------
+    template <typename ValueT>
+    constexpr auto
+    pow2 [[gnu::const]] (ValueT const &val)
+    { return val * val; }
+
+
    //-------------------------------------------------------------------------
    template <typename T>
    constexpr