logic/tracker, dinput, tracker/joystick: fix rounding errors

Issue: #487
Reported-by: @H-Bear-22
Closes #487

Also use a power of two for joy_axis_size. Floats are base 2.

axis_max in tracker/joystick had a fencepost error.

1 files changed, 1 insertions, 1 deletions

diff --git a/tracker-joystick/ftnoir_tracker_joystick.h b/tracker-joystick/ftnoir_tracker_joystick.h
index 0af1444e..a7e8fddd 100644
--- a/tracker-joystick/ftnoir_tracker_joystick.h
+++ b/tracker-joystick/ftnoir_tracker_joystick.h
@@ -45,7 +45,7 @@ public:
     void data(double *data);
     settings s;
     QString guid;
-    static constexpr int AXIS_MAX = win32_joy_ctx::joy_axis_size - 1;
+    static constexpr int AXIS_MAX = win32_joy_ctx::joy_axis_size;
     win32_joy_ctx joy_ctx;
 };