e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \sin \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)e^{\log \left(\mathsf{hypot}\left(x.re, x.im\right)\right) \cdot y.re - \left(\left(\tan^{-1}_* \frac{x.im}{x.re} \cdot \left(\sqrt[3]{y.im} \cdot \sqrt[3]{y.im}\right)\right) \cdot \left(\sqrt[3]{\sqrt[3]{y.im}} \cdot \sqrt[3]{\sqrt[3]{y.im}}\right)\right) \cdot \sqrt[3]{\sqrt[3]{y.im}}} \cdot \sin \left(\log \left(\mathsf{hypot}\left(x.re, x.im\right)\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)double code(double x_46_re, double x_46_im, double y_46_re, double y_46_im) {
return (exp(((log(sqrt(((x_46_re * x_46_re) + (x_46_im * x_46_im)))) * y_46_re) - (atan2(x_46_im, x_46_re) * y_46_im))) * sin(((log(sqrt(((x_46_re * x_46_re) + (x_46_im * x_46_im)))) * y_46_im) + (atan2(x_46_im, x_46_re) * y_46_re))));
}
double code(double x_46_re, double x_46_im, double y_46_re, double y_46_im) {
return (exp(((log(hypot(x_46_re, x_46_im)) * y_46_re) - (((atan2(x_46_im, x_46_re) * (cbrt(y_46_im) * cbrt(y_46_im))) * (cbrt(cbrt(y_46_im)) * cbrt(cbrt(y_46_im)))) * cbrt(cbrt(y_46_im))))) * sin(((log(hypot(x_46_re, x_46_im)) * y_46_im) + (atan2(x_46_im, x_46_re) * y_46_re))));
}



Bits error versus x.re



Bits error versus x.im



Bits error versus y.re



Bits error versus y.im
Results
Initial program 32.8
rmApplied hypot-def19.3
rmApplied hypot-def3.6
rmApplied add-cube-cbrt3.6
Applied associate-*r*3.6
rmApplied add-cube-cbrt3.6
Applied associate-*r*3.6
Final simplification3.6
herbie shell --seed 2020092 +o rules:numerics
(FPCore (x.re x.im y.re y.im)
:name "powComplex, imaginary part"
:precision binary64
(* (exp (- (* (log (sqrt (+ (* x.re x.re) (* x.im x.im)))) y.re) (* (atan2 x.im x.re) y.im))) (sin (+ (* (log (sqrt (+ (* x.re x.re) (* x.im x.im)))) y.im) (* (atan2 x.im x.re) y.re)))))