void complex_loop(float _Complex * restrict in, float _Complex * restrict out, unsigned int n, float _Complex r)
{
#ifdef LOL
     in = __builtin_assume_aligned(in, 8);
     out = __builtin_assume_aligned(out, 8);
#endif
        float _Complex v = r;

        do {
                *out++ = *in++ * v;
                v *= r;
        } while (--n);
}