\left(\left(\left(\left(x \cdot \log y + z\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot i
\left(\left(\left(\left(x \cdot \log \left({y}^{\frac{2}{3}}\right) + \left(\log \left(\sqrt[3]{y}\right) \cdot x + z\right)\right) + t\right) + a\right) + \left(b - 0.5\right) \cdot \log c\right) + y \cdot idouble f(double x, double y, double z, double t, double a, double b, double c, double i) {
double r91556 = x;
double r91557 = y;
double r91558 = log(r91557);
double r91559 = r91556 * r91558;
double r91560 = z;
double r91561 = r91559 + r91560;
double r91562 = t;
double r91563 = r91561 + r91562;
double r91564 = a;
double r91565 = r91563 + r91564;
double r91566 = b;
double r91567 = 0.5;
double r91568 = r91566 - r91567;
double r91569 = c;
double r91570 = log(r91569);
double r91571 = r91568 * r91570;
double r91572 = r91565 + r91571;
double r91573 = i;
double r91574 = r91557 * r91573;
double r91575 = r91572 + r91574;
return r91575;
}
double f(double x, double y, double z, double t, double a, double b, double c, double i) {
double r91576 = x;
double r91577 = y;
double r91578 = 0.6666666666666666;
double r91579 = pow(r91577, r91578);
double r91580 = log(r91579);
double r91581 = r91576 * r91580;
double r91582 = cbrt(r91577);
double r91583 = log(r91582);
double r91584 = r91583 * r91576;
double r91585 = z;
double r91586 = r91584 + r91585;
double r91587 = r91581 + r91586;
double r91588 = t;
double r91589 = r91587 + r91588;
double r91590 = a;
double r91591 = r91589 + r91590;
double r91592 = b;
double r91593 = 0.5;
double r91594 = r91592 - r91593;
double r91595 = c;
double r91596 = log(r91595);
double r91597 = r91594 * r91596;
double r91598 = r91591 + r91597;
double r91599 = i;
double r91600 = r91577 * r91599;
double r91601 = r91598 + r91600;
return r91601;
}



Bits error versus x



Bits error versus y



Bits error versus z



Bits error versus t



Bits error versus a



Bits error versus b



Bits error versus c



Bits error versus i
Results
Initial program 0.1
rmApplied add-cube-cbrt0.1
Applied log-prod0.1
Applied distribute-lft-in0.1
Applied associate-+l+0.1
Simplified0.1
rmApplied pow1/30.1
Applied pow1/30.1
Applied pow-prod-up0.1
Simplified0.1
Final simplification0.1
herbie shell --seed 2020036
(FPCore (x y z t a b c i)
:name "Numeric.SpecFunctions:logBeta from math-functions-0.1.5.2, B"
:precision binary64
(+ (+ (+ (+ (+ (* x (log y)) z) t) a) (* (- b 0.5) (log c))) (* y i)))