Average Error: 31.0 → 0.6
Time: 24.2s
Precision: 64
Internal Precision: 128
\[\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}\]
\[\frac{1}{\frac{1}{\frac{\log \left((e^{\log_* (1 + \sqrt[3]{\sqrt{re^2 + im^2}^*})} - 1)^* \cdot \left(\sqrt[3]{\sqrt{re^2 + im^2}^*} \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right)\right)}{\log 10}}}\]

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 31.0

    \[\frac{\log \left(\sqrt{re \cdot re + im \cdot im}\right)}{\log 10}\]
  2. Initial simplification0.6

    \[\leadsto \frac{\log \left(\sqrt{re^2 + im^2}^*\right)}{\log 10}\]
  3. Using strategy rm
  4. Applied add-cube-cbrt0.6

    \[\leadsto \frac{\log \color{blue}{\left(\left(\sqrt[3]{\sqrt{re^2 + im^2}^*} \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right) \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right)}}{\log 10}\]
  5. Using strategy rm
  6. Applied expm1-log1p-u0.6

    \[\leadsto \frac{\log \left(\left(\sqrt[3]{\sqrt{re^2 + im^2}^*} \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right) \cdot \color{blue}{(e^{\log_* (1 + \sqrt[3]{\sqrt{re^2 + im^2}^*})} - 1)^*}\right)}{\log 10}\]
  7. Using strategy rm
  8. Applied clear-num0.6

    \[\leadsto \color{blue}{\frac{1}{\frac{\log 10}{\log \left(\left(\sqrt[3]{\sqrt{re^2 + im^2}^*} \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right) \cdot (e^{\log_* (1 + \sqrt[3]{\sqrt{re^2 + im^2}^*})} - 1)^*\right)}}}\]
  9. Using strategy rm
  10. Applied clear-num0.6

    \[\leadsto \frac{1}{\color{blue}{\frac{1}{\frac{\log \left(\left(\sqrt[3]{\sqrt{re^2 + im^2}^*} \cdot \sqrt[3]{\sqrt{re^2 + im^2}^*}\right) \cdot (e^{\log_* (1 + \sqrt[3]{\sqrt{re^2 + im^2}^*})} - 1)^*\right)}{\log 10}}}}\]
  11. Final simplification0.6

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

Runtime

Time bar (total: 24.2s)Debug logProfile

herbie shell --seed 2018278 +o rules:numerics
(FPCore (re im)
  :name "math.log10 on complex, real part"
  (/ (log (sqrt (+ (* re re) (* im im)))) (log 10)))