Average Error: 0.1 → 0.1
Time: 16.4s
Precision: 64
\[\left(x \cdot \log y - z\right) - y\]
↓
\[\left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \frac{1}{3} \cdot \left(\log y \cdot x\right)\right) - z\right) - y\]
\left(x \cdot \log y - z\right) - y
↓
\left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \frac{1}{3} \cdot \left(\log y \cdot x\right)\right) - z\right) - y
double f(double x, double y, double z) {
        double r29478 = x;
        double r29479 = y;
        double r29480 = log(r29479);
        double r29481 = r29478 * r29480;
        double r29482 = z;
        double r29483 = r29481 - r29482;
        double r29484 = r29483 - r29479;
        return r29484;
}
↓
double f(double x, double y, double z) {
        double r29485 = 2.0;
        double r29486 = y;
        double r29487 = cbrt(r29486);
        double r29488 = log(r29487);
        double r29489 = r29485 * r29488;
        double r29490 = x;
        double r29491 = r29489 * r29490;
        double r29492 = 0.3333333333333333;
        double r29493 = log(r29486);
        double r29494 = r29493 * r29490;
        double r29495 = r29492 * r29494;
        double r29496 = r29491 + r29495;
        double r29497 = z;
        double r29498 = r29496 - r29497;
        double r29499 = r29498 - r29486;
        return r29499;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.1

    \[\left(x \cdot \log y - z\right) - y\]
  2. Using strategy rm

  3. Applied add-cube-cbrt0.1

    \[\leadsto \left(x \cdot \log \color{blue}{\left(\left(\sqrt[3]{y} \cdot \sqrt[3]{y}\right) \cdot \sqrt[3]{y}\right)} - z\right) - y\]

  4. Applied log-prod0.1

    \[\leadsto \left(x \cdot \color{blue}{\left(\log \left(\sqrt[3]{y} \cdot \sqrt[3]{y}\right) + \log \left(\sqrt[3]{y}\right)\right)} - z\right) - y\]

  5. Applied distribute-lft-in0.1

    \[\leadsto \left(\color{blue}{\left(x \cdot \log \left(\sqrt[3]{y} \cdot \sqrt[3]{y}\right) + x \cdot \log \left(\sqrt[3]{y}\right)\right)} - z\right) - y\]

  6. Simplified0.1

    \[\leadsto \left(\left(\color{blue}{\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x} + x \cdot \log \left(\sqrt[3]{y}\right)\right) - z\right) - y\]

  7. Simplified0.1

    \[\leadsto \left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \color{blue}{\log \left(\sqrt[3]{y}\right) \cdot x}\right) - z\right) - y\]
  8. Using strategy rm

  9. Applied pow1/30.1

    \[\leadsto \left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \log \color{blue}{\left({y}^{\frac{1}{3}}\right)} \cdot x\right) - z\right) - y\]

  10. Applied log-pow0.1

    \[\leadsto \left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \color{blue}{\left(\frac{1}{3} \cdot \log y\right)} \cdot x\right) - z\right) - y\]

  11. Applied associate-*l*0.1

    \[\leadsto \left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \color{blue}{\frac{1}{3} \cdot \left(\log y \cdot x\right)}\right) - z\right) - y\]

  12. Final simplification0.1

    \[\leadsto \left(\left(\left(2 \cdot \log \left(\sqrt[3]{y}\right)\right) \cdot x + \frac{1}{3} \cdot \left(\log y \cdot x\right)\right) - z\right) - y\]

Reproduce

herbie shell --seed 2019209 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  :precision binary64
  (- (- (* x (log y)) z) y))