double code(double k, double n) {
return (1.0 / sqrt(k)) * pow(((2.0 * ((double) M_PI)) * n), ((1.0 - k) / 2.0));
}
double code(double k, double n) {
return (1.0 / sqrt(k)) * (pow((2.0 * ((double) M_PI)), ((1.0 - k) / 2.0)) * pow(n, ((1.0 - k) / 2.0)));
}



Bits error versus k



Bits error versus n
Results
Initial program 0.5
rmApplied unpow-prod-down0.7
Final simplification0.7
herbie shell --seed 2020322
(FPCore (k n)
:name "Migdal et al, Equation (51)"
:precision binary64
(* (/ 1.0 (sqrt k)) (pow (* (* 2.0 PI) n) (/ (- 1.0 k) 2.0))))