1 files changed, 4 insertions, 1 deletions
diff --git a/cv/numeric.hpp b/cv/numeric.hpp
index 7d850cbe..ee24331f 100644
--- a/cv/numeric.hpp
+++ b/cv/numeric.hpp
@@ -1,9 +1,12 @@
 #pragma once
 
+#include <type_traits>
 #include <opencv2/core.hpp>
 
 namespace types {
-    using f = double;
+    using f = float;
+
+    static_assert(std::is_floating_point_v<f>);
 
     static constexpr inline f eps = f(1e-8);
     static constexpr inline f pi = f(M_PI);