1 files changed, 22 insertions, 0 deletions
diff --git a/cv/numeric.hpp b/cv/numeric.hpp
new file mode 100644
index 00000000..4761af1d
--- /dev/null
+++ b/cv/numeric.hpp
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <opencv2/core.hpp>
+#include <limits>
+
+namespace types {
+    using f = double;
+
+    struct constants final
+    {
+        constants() = delete;
+        static constexpr f eps = f(1e-8);
+    };
+
+    template<int n> using vec = cv::Vec<f, n>;
+    using vec2 = vec<2>;
+    using vec3 = vec<3>;
+
+    template<int y, int x> using mat = cv::Matx<f, y, x>;
+    using mat33 = mat<3, 3>;
+    using mat22 = mat<2, 2>;
+}