// Helper: just calc the bezier function without doing any lookup of nodes
static float calculate_bezier(FloatAuto *previous, FloatAuto *next, int64_t position);
static float calculate_bezier_derivation(FloatAuto *previous, FloatAuto *next, int64_t position);
// Helper: just calc the bezier function without doing any lookup of nodes
static float calculate_bezier(FloatAuto *previous, FloatAuto *next, int64_t position);
static float calculate_bezier_derivation(FloatAuto *previous, FloatAuto *next, int64_t position);