Average Error: 0 → 0
Time: 1.3s
Precision: 64
\[\left(x \cdot 2\right) \cdot x\]
\[x \cdot \left(x \cdot 2\right)\]
\left(x \cdot 2\right) \cdot x
x \cdot \left(x \cdot 2\right)
double f(double x) {
        double r358885 = x;
        double r358886 = 2.0;
        double r358887 = r358885 * r358886;
        double r358888 = r358887 * r358885;
        return r358888;
}

double f(double x) {
        double r358889 = x;
        double r358890 = 2.0;
        double r358891 = r358889 * r358890;
        double r358892 = r358889 * r358891;
        return r358892;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0
Target0
Herbie0
\[\left(2 \cdot x\right) \cdot x\]

Derivation

  1. Initial program 0

    \[\left(x \cdot 2\right) \cdot x\]
  2. Simplified0

    \[\leadsto \color{blue}{x \cdot \left(x \cdot 2\right)}\]
  3. Final simplification0

    \[\leadsto x \cdot \left(x \cdot 2\right)\]

Reproduce

herbie shell --seed 2019195 
(FPCore (x)
  :name "Numeric.Log:$cexpm1 from log-domain-0.10.2.1, A"

  :herbie-target
  (* (* 2.0 x) x)

  (* (* x 2.0) x))