#include struct Random { enum { IM = 139968, IA = 3877, IC = 29573 }; Random() : last(42) {} float get(float max = 1.0f) { last = (last * IA + IC) % IM; return max * last / IM; } protected: unsigned int last; } rng1; int main() { Random rng2; int count = 0; for (int i = 0; i < 100; i++) { float x1 = rng1.get(); float x2 = rng2.get(); printf("%f, %f\n", x1, x2); if (x1 != x2) count += 1; } printf("*%d*\n", count); return 0; }