diff --git a/libs/geom/include/psemek/geom/math.hpp b/libs/geom/include/psemek/geom/math.hpp
new file mode 100644
index 00000000..3890085a
--- /dev/null
+++ b/libs/geom/include/psemek/geom/math.hpp
@@ -0,0 +1,12 @@
+#pragma once
+
+namespace psemek::geom
+{
+
+	template <typename T>
+	auto sqr(T const & x)
+	{
+		return x * x;
+	}
+
+}