Average Error: 0.0 → 0.0
Time: 1.1s
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 r6803487 = x;
        double r6803488 = y;
        double r6803489 = r6803487 * r6803488;
        double r6803490 = 2.0;
        double r6803491 = r6803489 / r6803490;
        return r6803491;
}
↓
double f(double x, double y) {
        double r6803492 = x;
        double r6803493 = y;
        double r6803494 = r6803492 * r6803493;
        double r6803495 = 2.0;
        double r6803496 = r6803494 / r6803495;
        return r6803496;
}

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 2019179 
(FPCore (x y)
  :name "Numeric.Interval.Internal:scale from intervals-0.7.1, B"
  (/ (* x y) 2.0))