1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
typedef struct State State; typedef struct Derivative Derivative; typedef struct Stats Stats; struct Stats { double cur; double total; double min, avg, max; uvlong nupdates; void (*update)(Stats*, double); }; struct State { double x, v; Stats stats; }; struct Derivative { double dx, dv; };