Average Error: 0.0 → 0.0
Time: 1.1s
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 r8472707 = x;
        double r8472708 = y;
        double r8472709 = r8472707 * r8472708;
        double r8472710 = 2.0;
        double r8472711 = r8472709 / r8472710;
        return r8472711;
}
↓
double f(double x, double y) {
        double r8472712 = x;
        double r8472713 = y;
        double r8472714 = r8472712 * r8472713;
        double r8472715 = 2.0;
        double r8472716 = r8472714 / r8472715;
        return r8472716;
}

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))