\left(x \cdot \left(y \cdot z - t \cdot a\right) - b \cdot \left(c \cdot z - t \cdot i\right)\right) + j \cdot \left(c \cdot a - y \cdot i\right)
\begin{array}{l}
\mathbf{if}\;x \le -2.93411759412074228 \cdot 10^{-89} \lor \neg \left(x \le 1.65682922233939055 \cdot 10^{-226}\right):\\
\;\;\;\;\mathsf{fma}\left(c \cdot a - y \cdot i, j, x \cdot \left(y \cdot z - t \cdot a\right) - \left(\left(\sqrt[3]{b} \cdot \sqrt[3]{b}\right) \cdot \left(\sqrt[3]{b} \cdot \left(c \cdot z - t \cdot i\right)\right) + b \cdot \mathsf{fma}\left(-i, t, i \cdot t\right)\right)\right)\\
\mathbf{else}:\\
\;\;\;\;\mathsf{fma}\left(c \cdot a - y \cdot i, j, 0 - \left(b \cdot \left(c \cdot z - t \cdot i\right) + b \cdot \mathsf{fma}\left(-i, t, i \cdot t\right)\right)\right)\\
\end{array}double code(double x, double y, double z, double t, double a, double b, double c, double i, double j) {
return (((x * ((y * z) - (t * a))) - (b * ((c * z) - (t * i)))) + (j * ((c * a) - (y * i))));
}
double code(double x, double y, double z, double t, double a, double b, double c, double i, double j) {
double temp;
if (((x <= -2.9341175941207423e-89) || !(x <= 1.6568292223393905e-226))) {
temp = fma(((c * a) - (y * i)), j, ((x * ((y * z) - (t * a))) - (((cbrt(b) * cbrt(b)) * (cbrt(b) * ((c * z) - (t * i)))) + (b * fma(-i, t, (i * t))))));
} else {
temp = fma(((c * a) - (y * i)), j, (0.0 - ((b * ((c * z) - (t * i))) + (b * fma(-i, t, (i * t))))));
}
return temp;
}




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
Results
| Original | 12.3 |
|---|---|
| Target | 19.9 |
| Herbie | 13.0 |
if x < -2.9341175941207423e-89 or 1.6568292223393905e-226 < x Initial program 10.4
Simplified10.4
rmApplied prod-diff10.4
Applied distribute-lft-in10.4
Simplified10.4
rmApplied add-cube-cbrt10.7
Applied associate-*l*10.7
if -2.9341175941207423e-89 < x < 1.6568292223393905e-226Initial program 16.3
Simplified16.3
rmApplied prod-diff16.3
Applied distribute-lft-in16.3
Simplified16.3
Taylor expanded around 0 18.0
Final simplification13.0
herbie shell --seed 2020060 +o rules:numerics
(FPCore (x y z t a b c i j)
:name "Data.Colour.Matrix:determinant from colour-2.3.3, A"
:precision binary64
:herbie-target
(if (< x -1.469694296777705e-64) (+ (- (* x (- (* y z) (* t a))) (/ (* b (- (pow (* c z) 2) (pow (* t i) 2))) (+ (* c z) (* t i)))) (* j (- (* c a) (* y i)))) (if (< x 3.2113527362226803e-147) (- (* (- (* b i) (* x a)) t) (- (* z (* c b)) (* j (- (* c a) (* y i))))) (+ (- (* x (- (* y z) (* t a))) (/ (* b (- (pow (* c z) 2) (pow (* t i) 2))) (+ (* c z) (* t i)))) (* j (- (* c a) (* y i))))))
(+ (- (* x (- (* y z) (* t a))) (* b (- (* c z) (* t i)))) (* j (- (* c a) (* y i)))))