\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 1.8765322534784896 \cdot 10^{-60}\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(a \cdot 27, b, \mathsf{fma}\left(x, 2, -\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)\right)\right)\\
\end{array}double f(double x, double y, double z, double t, double a, double b) {
double r772357 = x;
double r772358 = 2.0;
double r772359 = r772357 * r772358;
double r772360 = y;
double r772361 = 9.0;
double r772362 = r772360 * r772361;
double r772363 = z;
double r772364 = r772362 * r772363;
double r772365 = t;
double r772366 = r772364 * r772365;
double r772367 = r772359 - r772366;
double r772368 = a;
double r772369 = 27.0;
double r772370 = r772368 * r772369;
double r772371 = b;
double r772372 = r772370 * r772371;
double r772373 = r772367 + r772372;
return r772373;
}
double f(double x, double y, double z, double t, double a, double b) {
double r772374 = y;
double r772375 = 9.0;
double r772376 = r772374 * r772375;
double r772377 = -1.6505498537210847e+58;
bool r772378 = r772376 <= r772377;
double r772379 = 1.8765322534784896e-60;
bool r772380 = r772376 <= r772379;
double r772381 = !r772380;
bool r772382 = r772378 || r772381;
double r772383 = a;
double r772384 = 27.0;
double r772385 = r772383 * r772384;
double r772386 = b;
double r772387 = x;
double r772388 = 2.0;
double r772389 = r772387 * r772388;
double r772390 = z;
double r772391 = t;
double r772392 = r772390 * r772391;
double r772393 = r772376 * r772392;
double r772394 = r772389 - r772393;
double r772395 = fma(r772385, r772386, r772394);
double r772396 = cbrt(r772375);
double r772397 = r772396 * r772396;
double r772398 = r772390 * r772374;
double r772399 = r772391 * r772398;
double r772400 = r772396 * r772399;
double r772401 = r772397 * r772400;
double r772402 = -r772401;
double r772403 = fma(r772387, r772388, r772402);
double r772404 = fma(r772385, r772386, r772403);
double r772405 = r772382 ? r772395 : r772404;
return r772405;
}




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 | 0.8 |
if (* y 9.0) < -1.6505498537210847e+58 or 1.8765322534784896e-60 < (* y 9.0) Initial program 7.3
Simplified7.3
rmApplied associate-*l*0.9
if -1.6505498537210847e+58 < (* y 9.0) < 1.8765322534784896e-60Initial program 0.7
Simplified0.7
rmApplied fma-neg0.7
Simplified0.7
rmApplied add-cube-cbrt0.7
Applied associate-*l*0.7
Final simplification0.8
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)))