Average Error: 33.3 → 3.4
Time: 27.8s
Precision: 64
Internal Precision: 1344
\[e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \cos \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)\]
↓
\[\frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{\tan^{-1}_* \frac{x.im}{x.re} \cdot y.im - e^{\log \left((e^{\log_* (1 + \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)})} - 1)^*\right)} \cdot \left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot y.re\right)}}\]

Error

Bits error versus x.re

Bits error versus x.im

Bits error versus y.re

Bits error versus y.im

Derivation

  1. Initial program 33.3

    \[e^{\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.re - \tan^{-1}_* \frac{x.im}{x.re} \cdot y.im} \cdot \cos \left(\log \left(\sqrt{x.re \cdot x.re + x.im \cdot x.im}\right) \cdot y.im + \tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right)\]

  2. Initial simplification9.1

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{\frac{{\left(e^{y.im}\right)}^{\left(\tan^{-1}_* \frac{x.im}{x.re}\right)}}{{\left(\sqrt{x.re^2 + x.im^2}^*\right)}^{y.re}}}\]
  3. Using strategy rm

  4. Applied add-exp-log9.1

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{\frac{{\left(e^{y.im}\right)}^{\left(\tan^{-1}_* \frac{x.im}{x.re}\right)}}{{\color{blue}{\left(e^{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)}\right)}}^{y.re}}}\]

  5. Applied pow-exp9.1

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{\frac{{\left(e^{y.im}\right)}^{\left(\tan^{-1}_* \frac{x.im}{x.re}\right)}}{\color{blue}{e^{\log \left(\sqrt{x.re^2 + x.im^2}^*\right) \cdot y.re}}}}\]

  6. Applied pow-exp8.3

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{\frac{\color{blue}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re}}}}{e^{\log \left(\sqrt{x.re^2 + x.im^2}^*\right) \cdot y.re}}}\]

  7. Applied div-exp3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{\color{blue}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re} - \log \left(\sqrt{x.re^2 + x.im^2}^*\right) \cdot y.re}}}\]
  8. Using strategy rm

  9. Applied add-cube-cbrt3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re} - \color{blue}{\left(\left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)}\right) \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)}\right)} \cdot y.re}}\]

  10. Applied associate-*l*3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re} - \color{blue}{\left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)}\right) \cdot \left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot y.re\right)}}}\]
  11. Using strategy rm

  12. Applied expm1-log1p-u3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re} - \color{blue}{(e^{\log_* (1 + \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)})} - 1)^*} \cdot \left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot y.re\right)}}\]
  13. Using strategy rm

  14. Applied add-exp-log3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{y.im \cdot \tan^{-1}_* \frac{x.im}{x.re} - \color{blue}{e^{\log \left((e^{\log_* (1 + \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)})} - 1)^*\right)}} \cdot \left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot y.re\right)}}\]

  15. Final simplification3.4

    \[\leadsto \frac{\cos \left((y.im \cdot \left(\log \left(\sqrt{x.re^2 + x.im^2}^*\right)\right) + \left(\tan^{-1}_* \frac{x.im}{x.re} \cdot y.re\right))_*\right)}{e^{\tan^{-1}_* \frac{x.im}{x.re} \cdot y.im - e^{\log \left((e^{\log_* (1 + \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)})} - 1)^*\right)} \cdot \left(\sqrt[3]{\log \left(\sqrt{x.re^2 + x.im^2}^*\right)} \cdot y.re\right)}}\]

Runtime

Time bar (total: 27.8s)Debug logProfile

herbie shell --seed 2018225 +o rules:numerics
(FPCore (x.re x.im y.re y.im)
  :name "powComplex, real part"
  (* (exp (- (* (log (sqrt (+ (* x.re x.re) (* x.im x.im)))) y.re) (* (atan2 x.im x.re) y.im))) (cos (+ (* (log (sqrt (+ (* x.re x.re) (* x.im x.im)))) y.im) (* (atan2 x.im x.re) y.re)))))