Average Error: 0.0 → 0.0
Time: 1.3s
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 r5115149 = x;
        double r5115150 = y;
        double r5115151 = r5115149 * r5115150;
        double r5115152 = 2.0;
        double r5115153 = r5115151 / r5115152;
        return r5115153;
}
↓
double f(double x, double y) {
        double r5115154 = x;
        double r5115155 = y;
        double r5115156 = r5115154 * r5115155;
        double r5115157 = 2.0;
        double r5115158 = r5115156 / r5115157;
        return r5115158;
}

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 2019172 
(FPCore (x y)
  :name "Numeric.Interval.Internal:scale from intervals-0.7.1, B"
  (/ (* x y) 2.0))