cleanup only

- replace warn_unused_result with [[nodiscard]]
- remove some redundant w_a_r
- replace std::decay with remove_cvref_t
- simplify compat/math.hpp

2 files changed, 6 insertions, 6 deletions

diff --git a/tracker-pt/module/camera.h b/tracker-pt/module/camera.h
index f3f88cc5..f8f140de 100644
--- a/tracker-pt/module/camera.h
+++ b/tracker-pt/module/camera.h
@@ -37,7 +37,7 @@ struct Camera final : pt_camera
     void show_camera_settings() override;
 
 private:
-    cc_warn_unused_result bool _get_frame(cv::Mat& Frame);
+    [[nodiscard]] bool _get_frame(cv::Mat& Frame);
 
     double dt_mean = 0, fov = 30;
     Timer t;
@@ -56,7 +56,7 @@ private:
 
     pt_settings s;
 
-    static constexpr inline double dt_eps = 1./384;
+    static constexpr inline double dt_eps = 1./256;
 };
 
 } // ns pt_module
diff --git a/tracker-pt/pt-api.hpp b/tracker-pt/pt-api.hpp
index 19fab03e..12085560 100644
--- a/tracker-pt/pt-api.hpp
+++ b/tracker-pt/pt-api.hpp
@@ -42,7 +42,7 @@ struct pt_frame : pt_pixel_pos_mixin
     template<typename t>
     t* as() &
     {
-        using u = std::decay_t<t>;
+        using u = remove_cvref_t<t>;
         static_assert(std::is_convertible_v<u*, pt_frame*>, "must be derived from pt_frame");
 
         return static_cast<t*>(this);
@@ -69,11 +69,11 @@ struct pt_camera
     pt_camera();
     virtual ~pt_camera();
 
-    virtual cc_warn_unused_result bool start(int idx, int fps, int res_x, int res_y) = 0;
+    [[nodiscard]] virtual bool start(int idx, int fps, int res_x, int res_y) = 0;
     virtual void stop() = 0;
-    virtual cc_warn_unused_result result get_frame(pt_frame& frame) = 0;
 
-    virtual cc_warn_unused_result result get_info() const = 0;
+    virtual result get_frame(pt_frame& frame) = 0;
+    virtual result get_info() const = 0;
     virtual pt_camera_info get_desired() const = 0;
 
     virtual QString get_desired_name() const = 0;