10 static float do_cubic_bezier_f(float t, float a, float b, float c)  in do_cubic_bezier_f()  argument
13     return ((a * t + b) * t + c) * t;  in do_cubic_bezier_f()
28     float tl, tr, t;  /*t in cubic-bezier function, used for bisection */  in lv_cubic_bezier_f()  local
43     t = x; /*Make a guess*/  in lv_cubic_bezier_f()
45         xs = do_cubic_bezier_f(t, ax, bx, cx);  in lv_cubic_bezier_f()
49         d = (3.f * ax * t + 2.f * bx) * t + cx;  in lv_cubic_bezier_f()
51         t -= xs / d;  in lv_cubic_bezier_f()
55     tl = 0.f, tr = 1.f, t = x;  in lv_cubic_bezier_f()
57     if(t < tl) {  in lv_cubic_bezier_f()
58         t = tl;  in lv_cubic_bezier_f()
62     if(t > tr) {  in lv_cubic_bezier_f()
63         t = tr;  in lv_cubic_bezier_f()
68         xs = do_cubic_bezier_f(t, ax, bx, cx);  in lv_cubic_bezier_f()
70         x > xs ? (tl = t) : (tr = t);  in lv_cubic_bezier_f()
71         t = (tr - tl) * .5f + tl;  in lv_cubic_bezier_f()
75     return do_cubic_bezier_f(t, ay, by, cy);  in lv_cubic_bezier_f()
81     float t, t_step, fy;  in test_cubic_bezier_ease_functions()  local
89     for(t = 0; t <= 1; t += t_step) {  in test_cubic_bezier_ease_functions()
90         fy = lv_cubic_bezier_f(t, fx1, fy1, fx2, fy2);  in test_cubic_bezier_ease_functions()
91         y = lv_cubic_bezier(LV_BEZIER_VAL_FLOAT(t), x1, y1, x2, y2);  in test_cubic_bezier_ease_functions()
100 static uint32_t lv_bezier3_legacy(uint32_t t, uint32_t u0, uint32_t u1, uint32_t u2, uint32_t u3)  in lv_bezier3_legacy()  argument
102     uint32_t t_rem  = 1024 - t;  in lv_bezier3_legacy()
105     uint32_t t2     = (t * t) >> 10;  in lv_bezier3_legacy()
106     uint32_t t3     = (t2 * t) >> 10;  in lv_bezier3_legacy()
109     uint32_t v2 = (3 * t_rem2 * t * u1) >> 20;  in lv_bezier3_legacy()