Average Error: 0.0 → 0.0
Time: 960.0ms
Precision: 64
\[\frac{x \cdot y}{2.0}\]
↓
\[\frac{x \cdot y}{2.0}\]
\frac{x \cdot y}{2.0}
↓
\frac{x \cdot y}{2.0}
double f(double x, double y) {
        double r4840464 = x;
        double r4840465 = y;
        double r4840466 = r4840464 * r4840465;
        double r4840467 = 2.0;
        double r4840468 = r4840466 / r4840467;
        return r4840468;
}
↓
double f(double x, double y) {
        double r4840469 = x;
        double r4840470 = y;
        double r4840471 = r4840469 * r4840470;
        double r4840472 = 2.0;
        double r4840473 = r4840471 / r4840472;
        return r4840473;
}

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 0.0

    \[\frac{x \cdot y}{2.0}\]

  2. Final simplification0.0

    \[\leadsto \frac{x \cdot y}{2.0}\]

Reproduce

herbie shell --seed 2019158 
(FPCore (x y)
  :name "Numeric.Interval.Internal:scale from intervals-0.7.1, B"
  (/ (* x y) 2.0))