Average Error: 0.1 → 0
Time: 465.0ms
Precision: 64
\[\left(x \cdot x\right) \cdot x\]
↓
\[{x}^{3}\]
\left(x \cdot x\right) \cdot x
↓
{x}^{3}
double f(double x) {
        double r238419 = x;
        double r238420 = r238419 * r238419;
        double r238421 = r238420 * r238419;
        return r238421;
}
↓
double f(double x) {
        double r238422 = x;
        double r238423 = 3.0;
        double r238424 = pow(r238422, r238423);
        return r238424;
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.1
Target0
Herbie0
\[{x}^{3}\]

Derivation

  1. Initial program 0.1

    \[\left(x \cdot x\right) \cdot x\]

  2. Simplified0

    \[\leadsto \color{blue}{{x}^{3}}\]

  3. Final simplification0

    \[\leadsto {x}^{3}\]

Reproduce

herbie shell --seed 2020057 +o rules:numerics
(FPCore (x)
  :name "math.cube on real"
  :precision binary64

  :herbie-target
  (pow x 3)

  (* (* x x) x))