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)\frac{\cos \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right) \cdot \sin \left(\log \left(\mathsf{hypot}\left(x.re, x.im\right)\right) \cdot y.im\right) + \sin \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right) \cdot \cos \left(\log \left(\mathsf{hypot}\left(x.re, x.im\right)\right) \cdot y.im\right)}{e^{\left(\sqrt[3]{\tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \sqrt[3]{\tan^{-1}_* \frac{x.im}{x.re} \cdot y.im}\right) \cdot \sqrt[3]{\tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} - \log \left(\mathsf{hypot}\left(x.re, x.im\right)\right) \cdot y.re}}double f(double x_re, double x_im, double y_re, double y_im) {
double r1082263 = x_re;
double r1082264 = r1082263 * r1082263;
double r1082265 = x_im;
double r1082266 = r1082265 * r1082265;
double r1082267 = r1082264 + r1082266;
double r1082268 = sqrt(r1082267);
double r1082269 = log(r1082268);
double r1082270 = y_re;
double r1082271 = r1082269 * r1082270;
double r1082272 = atan2(r1082265, r1082263);
double r1082273 = y_im;
double r1082274 = r1082272 * r1082273;
double r1082275 = r1082271 - r1082274;
double r1082276 = exp(r1082275);
double r1082277 = r1082269 * r1082273;
double r1082278 = r1082272 * r1082270;
double r1082279 = r1082277 + r1082278;
double r1082280 = sin(r1082279);
double r1082281 = r1082276 * r1082280;
return r1082281;
}
double f(double x_re, double x_im, double y_re, double y_im) {
double r1082282 = x_im;
double r1082283 = x_re;
double r1082284 = atan2(r1082282, r1082283);
double r1082285 = y_re;
double r1082286 = r1082284 * r1082285;
double r1082287 = cos(r1082286);
double r1082288 = hypot(r1082283, r1082282);
double r1082289 = log(r1082288);
double r1082290 = y_im;
double r1082291 = r1082289 * r1082290;
double r1082292 = sin(r1082291);
double r1082293 = r1082287 * r1082292;
double r1082294 = sin(r1082286);
double r1082295 = cos(r1082291);
double r1082296 = r1082294 * r1082295;
double r1082297 = r1082293 + r1082296;
double r1082298 = r1082284 * r1082290;
double r1082299 = cbrt(r1082298);
double r1082300 = r1082299 * r1082299;
double r1082301 = r1082300 * r1082299;
double r1082302 = r1082289 * r1082285;
double r1082303 = r1082301 - r1082302;
double r1082304 = exp(r1082303);
double r1082305 = r1082297 / r1082304;
return r1082305;
}



Bits error versus x.re



Bits error versus x.im



Bits error versus y.re



Bits error versus y.im
Results
Initial program 33.1
Simplified3.6
rmApplied add-cube-cbrt3.6
rmApplied fma-udef3.6
Applied sin-sum3.6
Final simplification3.6
herbie shell --seed 2019163 +o rules:numerics
(FPCore (x.re x.im y.re y.im)
:name "powComplex, imaginary part"
(* (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)))))