Average Error: 0.3 → 0.4
Time: 1.9s
Precision: 64
\[\left(x \cdot 27\right) \cdot y\]
↓
\[x \cdot \left(27 \cdot y\right)\]
\left(x \cdot 27\right) \cdot y
↓
x \cdot \left(27 \cdot y\right)
double f(double x, double y) {
        double r209470 = x;
        double r209471 = 27.0;
        double r209472 = r209470 * r209471;
        double r209473 = y;
        double r209474 = r209472 * r209473;
        return r209474;
}
↓
double f(double x, double y) {
        double r209475 = x;
        double r209476 = 27.0;
        double r209477 = y;
        double r209478 = r209476 * r209477;
        double r209479 = r209475 * r209478;
        return r209479;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

    \[\left(x \cdot 27\right) \cdot y\]
  2. Using strategy rm

  3. Applied associate-*l*0.4

    \[\leadsto \color{blue}{x \cdot \left(27 \cdot y\right)}\]

  4. Final simplification0.4

    \[\leadsto x \cdot \left(27 \cdot y\right)\]

Reproduce

herbie shell --seed 2020001 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Solve.Polynomial:cubForm  from diagrams-solve-0.1, F"
  :precision binary64
  (* (* x 27) y))