\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 -1.4198310397800835 \cdot 10^{-189} \lor \neg \left(x \le 8.5329089279953774 \cdot 10^{-157}\right):\\
\;\;\;\;\left(x \cdot \left(y \cdot z - t \cdot a\right) - \left(z \cdot \left(b \cdot c\right) + \left(-b\right) \cdot \left(t \cdot i\right)\right)\right) + j \cdot \left(c \cdot a - y \cdot i\right)\\
\mathbf{else}:\\
\;\;\;\;\left(0 - b \cdot \left(c \cdot z - t \cdot i\right)\right) + \left(j \cdot \left(c \cdot a - y \cdot i\right) + j \cdot \mathsf{fma}\left(-i, y, i \cdot y\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 VAR;
if (((x <= -1.4198310397800835e-189) || !(x <= 8.532908927995377e-157))) {
VAR = (((x * ((y * z) - (t * a))) - ((z * (b * c)) + (-b * (t * i)))) + (j * ((c * a) - (y * i))));
} else {
VAR = ((0.0 - (b * ((c * z) - (t * i)))) + ((j * ((c * a) - (y * i))) + (j * fma(-i, y, (i * y)))));
}
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
Results
| Original | 12.2 |
|---|---|
| Target | 19.9 |
| Herbie | 12.5 |
if x < -1.4198310397800835e-189 or 8.532908927995377e-157 < x Initial program 10.4
rmApplied add-cube-cbrt10.7
Applied associate-*l*10.7
rmApplied sub-neg10.7
Applied distribute-lft-in10.7
Applied distribute-lft-in10.7
Simplified10.8
Simplified10.7
if -1.4198310397800835e-189 < x < 8.532908927995377e-157Initial program 16.7
rmApplied prod-diff16.7
Applied distribute-lft-in16.7
Simplified16.7
Taylor expanded around 0 17.3
Final simplification12.5
herbie shell --seed 2020105 +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)))))