Average Error: 0.9 → 0.1
Time: 21.2s
Precision: 64
\[\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}\]
\[\left(\sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right)\right) \cdot \frac{1}{\sqrt{\log 10}}\]
\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}
\left(\sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right)\right) \cdot \frac{1}{\sqrt{\log 10}}
double f(double re, double im) {
        double r34486 = im;
        double r34487 = re;
        double r34488 = atan2(r34486, r34487);
        double r34489 = 10.0;
        double r34490 = log(r34489);
        double r34491 = r34488 / r34490;
        return r34491;
}

double f(double re, double im) {
        double r34492 = 1.0;
        double r34493 = 10.0;
        double r34494 = log(r34493);
        double r34495 = sqrt(r34494);
        double r34496 = r34492 / r34495;
        double r34497 = sqrt(r34496);
        double r34498 = sqrt(r34497);
        double r34499 = im;
        double r34500 = re;
        double r34501 = atan2(r34499, r34500);
        double r34502 = r34492 / r34494;
        double r34503 = sqrt(r34502);
        double r34504 = sqrt(r34503);
        double r34505 = r34501 * r34504;
        double r34506 = r34505 * r34498;
        double r34507 = r34498 * r34506;
        double r34508 = r34507 * r34496;
        return r34508;
}

Error

Bits error versus re

Bits error versus im

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.9

    \[\frac{\tan^{-1}_* \frac{im}{re}}{\log 10}\]
  2. Using strategy rm
  3. Applied add-sqr-sqrt0.9

    \[\leadsto \frac{\tan^{-1}_* \frac{im}{re}}{\color{blue}{\sqrt{\log 10} \cdot \sqrt{\log 10}}}\]
  4. Applied *-un-lft-identity0.9

    \[\leadsto \frac{\color{blue}{1 \cdot \tan^{-1}_* \frac{im}{re}}}{\sqrt{\log 10} \cdot \sqrt{\log 10}}\]
  5. Applied times-frac0.8

    \[\leadsto \color{blue}{\frac{1}{\sqrt{\log 10}} \cdot \frac{\tan^{-1}_* \frac{im}{re}}{\sqrt{\log 10}}}\]
  6. Taylor expanded around 0 0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \color{blue}{\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\frac{1}{\log 10}}\right)}\]
  7. Using strategy rm
  8. Applied add-sqr-sqrt0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\color{blue}{\sqrt{\frac{1}{\log 10}} \cdot \sqrt{\frac{1}{\log 10}}}}\right)\]
  9. Applied sqrt-prod0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\tan^{-1}_* \frac{im}{re} \cdot \color{blue}{\left(\sqrt{\sqrt{\frac{1}{\log 10}}} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right)}\right)\]
  10. Applied associate-*r*0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \color{blue}{\left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right)}\]
  11. Using strategy rm
  12. Applied add-sqr-sqrt0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\color{blue}{\sqrt{\log 10} \cdot \sqrt{\log 10}}}}}\right)\]
  13. Applied add-cube-cbrt0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{\color{blue}{\left(\sqrt[3]{1} \cdot \sqrt[3]{1}\right) \cdot \sqrt[3]{1}}}{\sqrt{\log 10} \cdot \sqrt{\log 10}}}}\right)\]
  14. Applied times-frac0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\color{blue}{\frac{\sqrt[3]{1} \cdot \sqrt[3]{1}}{\sqrt{\log 10}} \cdot \frac{\sqrt[3]{1}}{\sqrt{\log 10}}}}}\right)\]
  15. Applied sqrt-prod0.8

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\color{blue}{\sqrt{\frac{\sqrt[3]{1} \cdot \sqrt[3]{1}}{\sqrt{\log 10}}} \cdot \sqrt{\frac{\sqrt[3]{1}}{\sqrt{\log 10}}}}}\right)\]
  16. Applied sqrt-prod0.1

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \color{blue}{\left(\sqrt{\sqrt{\frac{\sqrt[3]{1} \cdot \sqrt[3]{1}}{\sqrt{\log 10}}}} \cdot \sqrt{\sqrt{\frac{\sqrt[3]{1}}{\sqrt{\log 10}}}}\right)}\right)\]
  17. Applied associate-*r*0.1

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \color{blue}{\left(\left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{\sqrt[3]{1} \cdot \sqrt[3]{1}}{\sqrt{\log 10}}}}\right) \cdot \sqrt{\sqrt{\frac{\sqrt[3]{1}}{\sqrt{\log 10}}}}\right)}\]
  18. Simplified0.1

    \[\leadsto \frac{1}{\sqrt{\log 10}} \cdot \left(\color{blue}{\left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right)} \cdot \sqrt{\sqrt{\frac{\sqrt[3]{1}}{\sqrt{\log 10}}}}\right)\]
  19. Final simplification0.1

    \[\leadsto \left(\sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}} \cdot \left(\left(\tan^{-1}_* \frac{im}{re} \cdot \sqrt{\sqrt{\frac{1}{\log 10}}}\right) \cdot \sqrt{\sqrt{\frac{1}{\sqrt{\log 10}}}}\right)\right) \cdot \frac{1}{\sqrt{\log 10}}\]

Reproduce

herbie shell --seed 2019303 
(FPCore (re im)
  :name "math.log10 on complex, imaginary part"
  :precision binary64
  (/ (atan2 im re) (log 10)))