Average Error: 0.1 → 0.1
Time: 19.0s
Precision: 64
\[x + \frac{x - y}{2}\]
↓
\[x + \frac{x - y}{2}\]
x + \frac{x - y}{2}
↓
x + \frac{x - y}{2}
double f(double x, double y) {
        double r33471841 = x;
        double r33471842 = y;
        double r33471843 = r33471841 - r33471842;
        double r33471844 = 2.0;
        double r33471845 = r33471843 / r33471844;
        double r33471846 = r33471841 + r33471845;
        return r33471846;
}
↓
double f(double x, double y) {
        double r33471847 = x;
        double r33471848 = y;
        double r33471849 = r33471847 - r33471848;
        double r33471850 = 2.0;
        double r33471851 = r33471849 / r33471850;
        double r33471852 = r33471847 + r33471851;
        return r33471852;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.1
Target0.1
Herbie0.1
\[1.5 \cdot x - 0.5 \cdot y\]

Derivation

  1. Initial program 0.1

    \[x + \frac{x - y}{2}\]

  2. Final simplification0.1

    \[\leadsto x + \frac{x - y}{2}\]

Reproduce

herbie shell --seed 2019170 
(FPCore (x y)
  :name "Graphics.Rendering.Chart.Axis.Types:hBufferRect from Chart-1.5.3"

  :herbie-target
  (- (* 1.5 x) (* 0.5 y))

  (+ x (/ (- x y) 2.0)))