Optimize math::smootherstep somewhat

2025-09-07 14:00:45 +03:00 · 2025-09-07 14:00:45 +03:00 · 754b279b1a
commit 754b279b1a
parent 08f62bdaf7
1 changed files with 2 additions and 1 deletions
--- a/libs/math/include/psemek/math/math.hpp
+++ b/libs/math/include/psemek/math/math.hpp
@ -225,7 +225,8 @@ namespace psemek::math
 	template <typename T>
 	T smootherstep(T x)
 	{
-		return x * x * x * (T{10} - x * (T{15} - T{6} * x));
+		auto x2 = x * x;
+		return x * x2 * (T{10} - x * T{15} + x2 * T{6});
 	}

 	template <typename T>