Average Error: 29.7 → 0
Time: 1.3s
Precision: 64
\[\left(x + y\right) - x\]
↓
\[y\]
\left(x + y\right) - x
↓
y
double f(double x, double y) {
        double r421934 = x;
        double r421935 = y;
        double r421936 = r421934 + r421935;
        double r421937 = r421936 - r421934;
        return r421937;
}
↓
double f(double __attribute__((unused)) x, double y) {
        double r421938 = y;
        return r421938;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original29.7
Target0
Herbie0
\[y - 0.0\]

Derivation

  1. Initial program 29.7

    \[\left(x + y\right) - x\]

  2. Simplified0

    \[\leadsto \color{blue}{y}\]

  3. Final simplification0

    \[\leadsto y\]

Reproduce

herbie shell --seed 2019212 
(FPCore (x y)
  :name "Graphics.Rendering.Chart.Plot.Pie:renderPie from Chart-1.5.3"
  :precision binary64

  :herbie-target
  (- y 0.0)

  (- (+ x y) x))