Average Error: 14.7 → 0.8
Time: 15.9s
Precision: 64
\[\sqrt[3]{\frac{g}{2 \cdot a}}\]
\[\sqrt[3]{\frac{\frac{1}{2}}{a}} \cdot \sqrt[3]{g}\]
\sqrt[3]{\frac{g}{2 \cdot a}}
\sqrt[3]{\frac{\frac{1}{2}}{a}} \cdot \sqrt[3]{g}
double f(double g, double a) {
        double r6291814 = g;
        double r6291815 = 2.0;
        double r6291816 = a;
        double r6291817 = r6291815 * r6291816;
        double r6291818 = r6291814 / r6291817;
        double r6291819 = cbrt(r6291818);
        return r6291819;
}

double f(double g, double a) {
        double r6291820 = 0.5;
        double r6291821 = a;
        double r6291822 = r6291820 / r6291821;
        double r6291823 = cbrt(r6291822);
        double r6291824 = g;
        double r6291825 = cbrt(r6291824);
        double r6291826 = r6291823 * r6291825;
        return r6291826;
}

Error

Bits error versus g

Bits error versus a

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 14.7

    \[\sqrt[3]{\frac{g}{2 \cdot a}}\]
  2. Using strategy rm
  3. Applied div-inv14.7

    \[\leadsto \sqrt[3]{\color{blue}{g \cdot \frac{1}{2 \cdot a}}}\]
  4. Applied cbrt-prod0.9

    \[\leadsto \color{blue}{\sqrt[3]{g} \cdot \sqrt[3]{\frac{1}{2 \cdot a}}}\]
  5. Simplified0.8

    \[\leadsto \sqrt[3]{g} \cdot \color{blue}{\sqrt[3]{\frac{\frac{1}{2}}{a}}}\]
  6. Using strategy rm
  7. Applied *-commutative0.8

    \[\leadsto \color{blue}{\sqrt[3]{\frac{\frac{1}{2}}{a}} \cdot \sqrt[3]{g}}\]
  8. Final simplification0.8

    \[\leadsto \sqrt[3]{\frac{\frac{1}{2}}{a}} \cdot \sqrt[3]{g}\]

Reproduce

herbie shell --seed 2019162 +o rules:numerics
(FPCore (g a)
  :name "2-ancestry mixing, zero discriminant"
  (cbrt (/ g (* 2 a))))