\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}\;i \le -6.59777696745657629 \cdot 10^{129}:\\
\;\;\;\;\left(x \cdot \left(y \cdot z - t \cdot a\right) - \left(b \cdot \left(c \cdot z\right) + \left(b \cdot \left(-t\right)\right) \cdot i\right)\right) + 0\\
\mathbf{elif}\;i \le -3.9277460339658212 \cdot 10^{-162}:\\
\;\;\;\;\left(x \cdot \left(y \cdot z - t \cdot a\right) - \left(\left(b \cdot c\right) \cdot z + b \cdot \left(-t \cdot i\right)\right)\right) + j \cdot \left(c \cdot a - y \cdot i\right)\\
\mathbf{elif}\;i \le 1.85513187391794339 \cdot 10^{180}:\\
\;\;\;\;\left(x \cdot \left(y \cdot z - t \cdot a\right) - \left(b \cdot \left(c \cdot z\right) + -1 \cdot \left(t \cdot \left(i \cdot b\right)\right)\right)\right) + j \cdot \left(c \cdot a - y \cdot i\right)\\
\mathbf{else}:\\
\;\;\;\;\left(x \cdot \left(y \cdot z - t \cdot a\right) - \left(\left(b \cdot c\right) \cdot z + b \cdot \left(-t \cdot i\right)\right)\right) + j \cdot \left(c \cdot a - y \cdot i\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 ((i <= -6.597776967456576e+129)) {
VAR = (((x * ((y * z) - (t * a))) - ((b * (c * z)) + ((b * -t) * i))) + 0.0);
} else {
double VAR_1;
if ((i <= -3.927746033965821e-162)) {
VAR_1 = (((x * ((y * z) - (t * a))) - (((b * c) * z) + (b * -(t * i)))) + (j * ((c * a) - (y * i))));
} else {
double VAR_2;
if ((i <= 1.8551318739179434e+180)) {
VAR_2 = (((x * ((y * z) - (t * a))) - ((b * (c * z)) + (-1.0 * (t * (i * b))))) + (j * ((c * a) - (y * i))));
} else {
VAR_2 = (((x * ((y * z) - (t * a))) - (((b * c) * z) + (b * -(t * i)))) + (j * ((c * a) - (y * i))));
}
VAR_1 = VAR_2;
}
VAR = VAR_1;
}
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 | 12.1 |
|---|---|
| Target | 20.0 |
| Herbie | 13.1 |
if i < -6.597776967456576e+129Initial program 24.0
rmApplied sub-neg24.0
Applied distribute-lft-in24.0
rmApplied distribute-lft-neg-in24.0
Applied associate-*r*17.3
Taylor expanded around 0 31.5
if -6.597776967456576e+129 < i < -3.927746033965821e-162 or 1.8551318739179434e+180 < i Initial program 12.3
rmApplied sub-neg12.3
Applied distribute-lft-in12.3
rmApplied associate-*r*12.8
if -3.927746033965821e-162 < i < 1.8551318739179434e+180Initial program 10.2
rmApplied sub-neg10.2
Applied distribute-lft-in10.2
Taylor expanded around inf 10.3
Final simplification13.1
herbie shell --seed 2020092 +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)))))