\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{z \cdot \sqrt{t + a}}{t} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \frac{2}{t \cdot 3}\right)\right)}}\begin{array}{l}
\mathbf{if}\;t \le -6.96807863435912862 \cdot 10^{-97} \lor \neg \left(t \le 4.7438821099503913 \cdot 10^{-240}\right):\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{z \cdot \sqrt{t + a}}{t} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \sqrt[3]{{\left(\frac{2}{t \cdot 3}\right)}^{3}}\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \frac{\left(z \cdot \sqrt{t + a}\right) \cdot \left(b + c\right) + \left(-\left(t \cdot \left(b \cdot b - c \cdot c\right)\right) \cdot \left(a + \left(\frac{5}{6} - \frac{2}{t \cdot 3}\right)\right)\right)}{t \cdot \left(b + c\right)}}}\\
\end{array}double code(double x, double y, double z, double t, double a, double b, double c) {
return (x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))));
}
double code(double x, double y, double z, double t, double a, double b, double c) {
double VAR;
if (((t <= -6.968078634359129e-97) || !(t <= 4.7438821099503913e-240))) {
VAR = (x / (x + (y * exp((2.0 * (((z * sqrt((t + a))) / t) - ((b - c) * ((a + (5.0 / 6.0)) - cbrt(pow((2.0 / (t * 3.0)), 3.0))))))))));
} else {
VAR = (x / (x + (y * exp((2.0 * ((((z * sqrt((t + a))) * (b + c)) + -((t * ((b * b) - (c * c))) * (a + ((5.0 / 6.0) - (2.0 / (t * 3.0)))))) / (t * (b + c))))))));
}
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
Results
if t < -6.968078634359129e-97 or 4.7438821099503913e-240 < t Initial program 2.7
rmApplied add-cbrt-cube2.7
Applied add-cbrt-cube4.8
Applied cbrt-unprod4.8
Applied add-cbrt-cube4.8
Applied cbrt-undiv5.0
Simplified5.0
if -6.968078634359129e-97 < t < 4.7438821099503913e-240Initial program 9.3
rmApplied add-cbrt-cube9.3
Applied add-cbrt-cube16.2
Applied cbrt-unprod16.2
Applied add-cbrt-cube16.2
Applied cbrt-undiv16.4
Simplified16.4
rmApplied flip--21.6
Applied associate-*l/21.7
Applied frac-sub20.6
Simplified12.5
Final simplification6.4
herbie shell --seed 2020075
(FPCore (x y z t a b c)
:name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2"
:precision binary64
(/ x (+ x (* y (exp (* 2 (- (/ (* z (sqrt (+ t a))) t) (* (- b c) (- (+ a (/ 5 6)) (/ 2 (* t 3)))))))))))