\left(x \cdot 2 - \left(\left(y \cdot 9\right) \cdot z\right) \cdot t\right) + \left(a \cdot 27\right) \cdot b
\begin{array}{l}
\mathbf{if}\;y \cdot 9 \le -1.65054985372108468 \cdot 10^{58} \lor \neg \left(y \cdot 9 \le 7815.61445024938166\right):\\
\;\;\;\;\mathsf{fma}\left(a \cdot 27, b, x \cdot 2 - \left(y \cdot 9\right) \cdot \left(z \cdot t\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(27, a \cdot b, x \cdot 2\right) - \left(\sqrt[3]{9} \cdot \sqrt[3]{9}\right) \cdot \left(\sqrt[3]{9} \cdot \left(t \cdot \left(z \cdot y\right)\right)\right)\\
\end{array}double f(double x, double y, double z, double t, double a, double b) {
double r722988 = x;
double r722989 = 2.0;
double r722990 = r722988 * r722989;
double r722991 = y;
double r722992 = 9.0;
double r722993 = r722991 * r722992;
double r722994 = z;
double r722995 = r722993 * r722994;
double r722996 = t;
double r722997 = r722995 * r722996;
double r722998 = r722990 - r722997;
double r722999 = a;
double r723000 = 27.0;
double r723001 = r722999 * r723000;
double r723002 = b;
double r723003 = r723001 * r723002;
double r723004 = r722998 + r723003;
return r723004;
}
double f(double x, double y, double z, double t, double a, double b) {
double r723005 = y;
double r723006 = 9.0;
double r723007 = r723005 * r723006;
double r723008 = -1.6505498537210847e+58;
bool r723009 = r723007 <= r723008;
double r723010 = 7815.614450249382;
bool r723011 = r723007 <= r723010;
double r723012 = !r723011;
bool r723013 = r723009 || r723012;
double r723014 = a;
double r723015 = 27.0;
double r723016 = r723014 * r723015;
double r723017 = b;
double r723018 = x;
double r723019 = 2.0;
double r723020 = r723018 * r723019;
double r723021 = z;
double r723022 = t;
double r723023 = r723021 * r723022;
double r723024 = r723007 * r723023;
double r723025 = r723020 - r723024;
double r723026 = fma(r723016, r723017, r723025);
double r723027 = r723014 * r723017;
double r723028 = fma(r723015, r723027, r723020);
double r723029 = cbrt(r723006);
double r723030 = r723029 * r723029;
double r723031 = r723021 * r723005;
double r723032 = r723022 * r723031;
double r723033 = r723029 * r723032;
double r723034 = r723030 * r723033;
double r723035 = r723028 - r723034;
double r723036 = r723013 ? r723026 : r723035;
return r723036;
}




Bits error versus x




Bits error versus y




Bits error versus z




Bits error versus t




Bits error versus a




Bits error versus b
| Original | 3.5 |
|---|---|
| Target | 2.6 |
| Herbie | 0.7 |
if (* y 9.0) < -1.6505498537210847e+58 or 7815.614450249382 < (* y 9.0) Initial program 8.3
Simplified8.3
rmApplied associate-*l*0.8
if -1.6505498537210847e+58 < (* y 9.0) < 7815.614450249382Initial program 0.7
Simplified0.7
rmApplied associate-*l*5.1
Taylor expanded around inf 0.6
Simplified0.6
rmApplied add-cube-cbrt0.6
Applied associate-*l*0.6
Final simplification0.7
herbie shell --seed 2020045 +o rules:numerics
(FPCore (x y z t a b)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, A"
:precision binary64
:herbie-target
(if (< y 7.590524218811189e-161) (+ (- (* x 2) (* (* (* y 9) z) t)) (* a (* 27 b))) (+ (- (* x 2) (* 9 (* y (* t z)))) (* (* a 27) b)))
(+ (- (* x 2) (* (* (* y 9) z) t)) (* (* a 27) b)))