\left(\left(\left(\left(\left(\left(x \cdot 18\right) \cdot y\right) \cdot z\right) \cdot t - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - \left(j \cdot 27\right) \cdot k
\begin{array}{l}
\mathbf{if}\;z \le -24694289992.637722 \lor \neg \left(z \le 9.08093554736774664 \cdot 10^{-57}\right):\\
\;\;\;\;\left(\left(\left(\left(z \cdot 18\right) \cdot \left(\left(x \cdot y\right) \cdot t\right) - 4 \cdot \left(t \cdot a\right)\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - j \cdot \left(27 \cdot k\right)\\
\mathbf{else}:\\
\;\;\;\;\left(\left(\left(x \cdot \left(\left(\left(18 \cdot y\right) \cdot z\right) \cdot t\right) - \left(a \cdot 4\right) \cdot t\right) + b \cdot c\right) - \left(x \cdot 4\right) \cdot i\right) - \left(j \cdot 27\right) \cdot k\\
\end{array}double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
return ((((((((x * 18.0) * y) * z) * t) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k));
}
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j, double k) {
double VAR;
if (((z <= -24694289992.637722) || !(z <= 9.080935547367747e-57))) {
VAR = ((((((z * 18.0) * ((x * y) * t)) - (4.0 * (t * a))) + (b * c)) - ((x * 4.0) * i)) - (j * (27.0 * k)));
} else {
VAR = (((((x * (((18.0 * y) * z) * t)) - ((a * 4.0) * t)) + (b * c)) - ((x * 4.0) * i)) - ((j * 27.0) * k));
}
return VAR;
}




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




Bits error versus j




Bits error versus k
Results
| Original | 5.7 |
|---|---|
| Target | 1.7 |
| Herbie | 1.7 |
if z < -24694289992.637722 or 9.080935547367747e-57 < z Initial program 7.0
rmApplied *-commutative7.0
Applied associate-*l*2.2
Taylor expanded around 0 2.1
rmApplied *-commutative2.1
Applied associate-*l*2.1
Applied associate-*l*2.1
Applied associate-*r*2.3
rmApplied associate-*l*2.3
if -24694289992.637722 < z < 9.080935547367747e-57Initial program 4.6
rmApplied associate-*l*4.7
Applied associate-*l*1.4
Applied associate-*l*1.2
Final simplification1.7
herbie shell --seed 2020078
(FPCore (x y z t a b c i j k)
:name "Diagrams.Solve.Polynomial:cubForm from diagrams-solve-0.1, E"
:precision binary64
:herbie-target
(if (< t -1.6210815397541398e-69) (- (- (* (* 18 t) (* (* x y) z)) (* (+ (* a t) (* i x)) 4)) (- (* (* k j) 27) (* c b))) (if (< t 165.68027943805222) (+ (- (* (* 18 y) (* x (* z t))) (* (+ (* a t) (* i x)) 4)) (- (* c b) (* 27 (* k j)))) (- (- (* (* 18 t) (* (* x y) z)) (* (+ (* a t) (* i x)) 4)) (- (* (* k j) 27) (* c b)))))
(- (- (+ (- (* (* (* (* x 18) y) z) t) (* (* a 4) t)) (* b c)) (* (* x 4) i)) (* (* j 27) k)))