Average Error: 35.8 → 32.7
Time: 45.0s
Precision: 64
Internal Precision: 576
\[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)}\]
\[\frac{\sqrt[3]{\sqrt{\sqrt{\left(h + g\right) \cdot \left(g - h\right)} - g} \cdot \sqrt{\sqrt{\left(h + g\right) \cdot \left(g - h\right)} - g}}}{\sqrt[3]{a \cdot 2}} + \frac{\sqrt[3]{\frac{-1}{2} \cdot \left(\sqrt{\left(h + g\right) \cdot \left(g - h\right)} + g\right)}}{\sqrt[3]{a}}\]

Error

Bits error versus g

Bits error versus h

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 35.8

    \[\sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) + \sqrt{g \cdot g - h \cdot h}\right)} + \sqrt[3]{\frac{1}{2 \cdot a} \cdot \left(\left(-g\right) - \sqrt{g \cdot g - h \cdot h}\right)}\]
  2. Initial simplification35.7

    \[\leadsto \sqrt[3]{\frac{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g}{a \cdot 2}} + \sqrt[3]{\frac{\frac{-1}{2}}{a} \cdot \left(g + \sqrt{\left(g + h\right) \cdot \left(g - h\right)}\right)}\]
  3. Using strategy rm
  4. Applied associate-*l/35.8

    \[\leadsto \sqrt[3]{\frac{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g}{a \cdot 2}} + \sqrt[3]{\color{blue}{\frac{\frac{-1}{2} \cdot \left(g + \sqrt{\left(g + h\right) \cdot \left(g - h\right)}\right)}{a}}}\]
  5. Applied cbrt-div33.7

    \[\leadsto \sqrt[3]{\frac{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g}{a \cdot 2}} + \color{blue}{\frac{\sqrt[3]{\frac{-1}{2} \cdot \left(g + \sqrt{\left(g + h\right) \cdot \left(g - h\right)}\right)}}{\sqrt[3]{a}}}\]
  6. Using strategy rm
  7. Applied cbrt-div32.1

    \[\leadsto \color{blue}{\frac{\sqrt[3]{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g}}{\sqrt[3]{a \cdot 2}}} + \frac{\sqrt[3]{\frac{-1}{2} \cdot \left(g + \sqrt{\left(g + h\right) \cdot \left(g - h\right)}\right)}}{\sqrt[3]{a}}\]
  8. Using strategy rm
  9. Applied add-sqr-sqrt32.7

    \[\leadsto \frac{\sqrt[3]{\color{blue}{\sqrt{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g} \cdot \sqrt{\sqrt{\left(g + h\right) \cdot \left(g - h\right)} - g}}}}{\sqrt[3]{a \cdot 2}} + \frac{\sqrt[3]{\frac{-1}{2} \cdot \left(g + \sqrt{\left(g + h\right) \cdot \left(g - h\right)}\right)}}{\sqrt[3]{a}}\]
  10. Final simplification32.7

    \[\leadsto \frac{\sqrt[3]{\sqrt{\sqrt{\left(h + g\right) \cdot \left(g - h\right)} - g} \cdot \sqrt{\sqrt{\left(h + g\right) \cdot \left(g - h\right)} - g}}}{\sqrt[3]{a \cdot 2}} + \frac{\sqrt[3]{\frac{-1}{2} \cdot \left(\sqrt{\left(h + g\right) \cdot \left(g - h\right)} + g\right)}}{\sqrt[3]{a}}\]

Runtime

Time bar (total: 45.0s)Debug logProfile

herbie shell --seed 2018256 
(FPCore (g h a)
  :name "2-ancestry mixing, positive discriminant"
  (+ (cbrt (* (/ 1 (* 2 a)) (+ (- g) (sqrt (- (* g g) (* h h)))))) (cbrt (* (/ 1 (* 2 a)) (- (- g) (sqrt (- (* g g) (* h h))))))))