\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 -4.3060542217967568 \cdot 10^{-56} \lor \neg \left(t \le -2.353822028203789 \cdot 10^{-282}\right):\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \left(\frac{z}{\sqrt[3]{t} \cdot \sqrt[3]{t}} \cdot \frac{\sqrt{t + a}}{\sqrt[3]{t}} - \left(b - c\right) \cdot \left(\left(a + \frac{5}{6}\right) - \frac{2}{t \cdot 3}\right)\right)}}\\
\mathbf{else}:\\
\;\;\;\;\frac{x}{x + y \cdot e^{2 \cdot \frac{\left(z \cdot \frac{\sqrt{t + a}}{\sqrt[3]{t}}\right) \cdot \left(\left(a - \frac{5}{6}\right) \cdot \left(t \cdot 3\right)\right) - \left(\sqrt[3]{t} \cdot \sqrt[3]{t}\right) \cdot \left(\left(b - c\right) \cdot \left(\left(a \cdot a - \frac{5}{6} \cdot \frac{5}{6}\right) \cdot \left(t \cdot 3\right) - \left(a - \frac{5}{6}\right) \cdot 2\right)\right)}{\left(\sqrt[3]{t} \cdot \sqrt[3]{t}\right) \cdot \left(\left(a - \frac{5}{6}\right) \cdot \left(t \cdot 3\right)\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 <= -4.306054221796757e-56) || !(t <= -2.353822028203789e-282))) {
VAR = (x / (x + (y * exp((2.0 * (((z / (cbrt(t) * cbrt(t))) * (sqrt((t + a)) / cbrt(t))) - ((b - c) * ((a + (5.0 / 6.0)) - (2.0 / (t * 3.0))))))))));
} else {
VAR = (x / (x + (y * exp((2.0 * ((((z * (sqrt((t + a)) / cbrt(t))) * ((a - (5.0 / 6.0)) * (t * 3.0))) - ((cbrt(t) * cbrt(t)) * ((b - c) * ((((a * a) - ((5.0 / 6.0) * (5.0 / 6.0))) * (t * 3.0)) - ((a - (5.0 / 6.0)) * 2.0))))) / ((cbrt(t) * cbrt(t)) * ((a - (5.0 / 6.0)) * (t * 3.0)))))))));
}
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 < -4.306054221796757e-56 or -2.353822028203789e-282 < t Initial program 3.3
rmApplied add-cube-cbrt3.3
Applied times-frac1.9
if -4.306054221796757e-56 < t < -2.353822028203789e-282Initial program 6.7
rmApplied add-cube-cbrt6.7
Applied times-frac6.7
rmApplied flip-+9.2
Applied frac-sub9.2
Applied associate-*r/9.2
Applied associate-*l/9.2
Applied frac-sub6.5
Final simplification2.6
herbie shell --seed 2020078
(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)))))))))))