Average Error: 57.5 → 53.3
Time: 19.1s
Precision: 64
Internal Precision: 128
\[\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}\]
\[\left(\log_* (1 + (e^{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}} - 1)^*) \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}\right) \cdot \frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{\log 10}\]

Error

Bits error versus re

Bits error versus im

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 57.5

    \[\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}\]
  2. Initial simplification53.3

    \[\leadsto \frac{\log \left(\sqrt{re^2 + im^2}^*\right)}{\log 10}\]
  3. Using strategy rm
  4. Applied *-un-lft-identity53.3

    \[\leadsto \frac{\log \left(\sqrt{re^2 + im^2}^*\right)}{\color{blue}{1 \cdot \log 10}}\]
  5. Applied add-cube-cbrt53.3

    \[\leadsto \frac{\color{blue}{\left(\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}\right) \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}}{1 \cdot \log 10}\]
  6. Applied times-frac53.3

    \[\leadsto \color{blue}{\frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{1} \cdot \frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{\log 10}}\]
  7. Simplified53.3

    \[\leadsto \color{blue}{\left(\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)} \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}\right)} \cdot \frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{\log 10}\]
  8. Using strategy rm
  9. Applied log1p-expm1-u53.3

    \[\leadsto \left(\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)} \cdot \color{blue}{\log_* (1 + (e^{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}} - 1)^*)}\right) \cdot \frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{\log 10}\]
  10. Final simplification53.3

    \[\leadsto \left(\log_* (1 + (e^{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}} - 1)^*) \cdot \sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}\right) \cdot \frac{\sqrt[3]{\log \left(\sqrt{re^2 + im^2}^*\right)}}{\log 10}\]

Runtime

Time bar (total: 19.1s)Debug logProfile

herbie shell --seed 2018255 +o rules:numerics
(FPCore (re im)
  :name "math.log10 on complex, real part"
  (/ (log (sqrt (+ (* re re) (* im im)))) (log 10)))