tracker/pt: refactor

- separate .{cpp,hpp} for few classes
- don't include namespaces globally; harmless but looks bad
anyway
- class with all public members to struct

1 files changed, 22 insertions, 0 deletions

diff --git a/tracker-pt/numeric.hpp b/tracker-pt/numeric.hpp
new file mode 100644
index 00000000..9d37086d
--- /dev/null
+++ b/tracker-pt/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 = std::numeric_limits<f>::epsilon();
+    };
+
+    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>;
+}