Average Error: 0.0 → 0.0
Time: 1.3s
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 r5933803 = x;
        double r5933804 = y;
        double r5933805 = r5933803 * r5933804;
        double r5933806 = 2.0;
        double r5933807 = r5933805 / r5933806;
        return r5933807;
}
↓
double f(double x, double y) {
        double r5933808 = x;
        double r5933809 = y;
        double r5933810 = r5933808 * r5933809;
        double r5933811 = 2.0;
        double r5933812 = r5933810 / r5933811;
        return r5933812;
}

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 2019164 
(FPCore (x y)
  :name "Numeric.Interval.Internal:scale from intervals-0.7.1, B"
  (/ (* x y) 2.0))