Average Error: 1.0 → 0.0
Time: 6.1m
Precision: 64
Internal Precision: 320
\[\frac{4}{\left(\left(3 \cdot \pi\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \sqrt{2 - 6 \cdot \left(v \cdot v\right)}}\]
\[\frac{\sqrt[3]{{\left(\frac{\frac{4}{3 \cdot \pi}}{1 - v \cdot v}\right)}^{3}}}{\sqrt{(\left(6 \cdot v\right) \cdot \left(-v\right) + 2)_*}}\]

Error

Bits error versus v

Derivation

  1. Initial program 1.0

    \[\frac{4}{\left(\left(3 \cdot \pi\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \sqrt{2 - 6 \cdot \left(v \cdot v\right)}}\]
  2. Initial simplification0.0

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{1 - v \cdot v}}{\sqrt{(\left(v \cdot 6\right) \cdot \left(-v\right) + 2)_*}}\]
  3. Using strategy rm
  4. Applied add-cbrt-cube0.0

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{\color{blue}{\sqrt[3]{\left(\left(1 - v \cdot v\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \left(1 - v \cdot v\right)}}}}{\sqrt{(\left(v \cdot 6\right) \cdot \left(-v\right) + 2)_*}}\]
  5. Applied add-cbrt-cube0.0

    \[\leadsto \frac{\frac{\color{blue}{\sqrt[3]{\left(\frac{\frac{4}{3}}{\pi} \cdot \frac{\frac{4}{3}}{\pi}\right) \cdot \frac{\frac{4}{3}}{\pi}}}}{\sqrt[3]{\left(\left(1 - v \cdot v\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \left(1 - v \cdot v\right)}}}{\sqrt{(\left(v \cdot 6\right) \cdot \left(-v\right) + 2)_*}}\]
  6. Applied cbrt-undiv0.0

    \[\leadsto \frac{\color{blue}{\sqrt[3]{\frac{\left(\frac{\frac{4}{3}}{\pi} \cdot \frac{\frac{4}{3}}{\pi}\right) \cdot \frac{\frac{4}{3}}{\pi}}{\left(\left(1 - v \cdot v\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \left(1 - v \cdot v\right)}}}}{\sqrt{(\left(v \cdot 6\right) \cdot \left(-v\right) + 2)_*}}\]
  7. Simplified0.0

    \[\leadsto \frac{\sqrt[3]{\color{blue}{{\left(\frac{\frac{4}{\pi \cdot 3}}{1 - v \cdot v}\right)}^{3}}}}{\sqrt{(\left(v \cdot 6\right) \cdot \left(-v\right) + 2)_*}}\]
  8. Final simplification0.0

    \[\leadsto \frac{\sqrt[3]{{\left(\frac{\frac{4}{3 \cdot \pi}}{1 - v \cdot v}\right)}^{3}}}{\sqrt{(\left(6 \cdot v\right) \cdot \left(-v\right) + 2)_*}}\]

Runtime

Time bar (total: 6.1m)Debug logProfile

herbie shell --seed 2018220 +o rules:numerics
(FPCore (v)
  :name "Falkner and Boettcher, Equation (22+)"
  (/ 4 (* (* (* 3 PI) (- 1 (* v v))) (sqrt (- 2 (* 6 (* v v)))))))