Average Error: 0.0 → 0.0
Time: 452.0ms
Precision: 64
\[\frac{x \cdot y}{2}\]
↓
\[\frac{x \cdot y}{2}\]
\frac{x \cdot y}{2}
↓
\frac{x \cdot y}{2}
double f(double x, double y) {
        double r91409 = x;
        double r91410 = y;
        double r91411 = r91409 * r91410;
        double r91412 = 2.0;
        double r91413 = r91411 / r91412;
        return r91413;
}
↓
double f(double x, double y) {
        double r91414 = x;
        double r91415 = y;
        double r91416 = r91414 * r91415;
        double r91417 = 2.0;
        double r91418 = r91416 / r91417;
        return r91418;
}

Error

Bits error versus x

Bits error versus y

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Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{x \cdot y}{2}\]

  2. Final simplification0.0

    \[\leadsto \frac{x \cdot y}{2}\]

Reproduce

herbie shell --seed 2020046 
(FPCore (x y)
  :name "Numeric.Interval.Internal:scale from intervals-0.7.1, B"
  :precision binary64
  (/ (* x y) 2))