Average Error: 1.0 → 0.0
Time: 1.2m
Precision: 64
Internal Precision: 320
\[\frac{4}{\left(\left(3 \cdot \pi\right) \cdot \left(1 - v \cdot v\right)\right) \cdot \sqrt{2 - 6 \cdot \left(v \cdot v\right)}}\]
\[\frac{\frac{\frac{1}{\pi}}{\sqrt{1 - v \cdot v}}}{\sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}} \cdot \frac{\frac{4}{3}}{\sqrt{1 - v \cdot v}}\]

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

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{1 - v \cdot v}}{\sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}}\]
  3. Using strategy rm
  4. Applied *-un-lft-identity0.0

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{1 - v \cdot v}}{\sqrt{\color{blue}{1 \cdot (-6 \cdot \left(v \cdot v\right) + 2)_*}}}\]
  5. Applied sqrt-prod0.0

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{1 - v \cdot v}}{\color{blue}{\sqrt{1} \cdot \sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}}}\]
  6. Applied add-sqr-sqrt0.0

    \[\leadsto \frac{\frac{\frac{\frac{4}{3}}{\pi}}{\color{blue}{\sqrt{1 - v \cdot v} \cdot \sqrt{1 - v \cdot v}}}}{\sqrt{1} \cdot \sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}}\]
  7. Applied div-inv0.0

    \[\leadsto \frac{\frac{\color{blue}{\frac{4}{3} \cdot \frac{1}{\pi}}}{\sqrt{1 - v \cdot v} \cdot \sqrt{1 - v \cdot v}}}{\sqrt{1} \cdot \sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}}\]
  8. Applied times-frac0.0

    \[\leadsto \frac{\color{blue}{\frac{\frac{4}{3}}{\sqrt{1 - v \cdot v}} \cdot \frac{\frac{1}{\pi}}{\sqrt{1 - v \cdot v}}}}{\sqrt{1} \cdot \sqrt{(-6 \cdot \left(v \cdot v\right) + 2)_*}}\]
  9. Applied times-frac0.0

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

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

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

Runtime

Time bar (total: 1.2m)Debug logProfile

BaselineHerbieOracleSpan%
Regimes0.00.00.00.00%
herbie shell --seed 2018274 +o rules:numerics
(FPCore (v)
  :name "Falkner and Boettcher, Equation (22+)"
  (/ 4 (* (* (* 3 PI) (- 1 (* v v))) (sqrt (- 2 (* 6 (* v v)))))))