Average Error: 0.1 → 0.1
Time: 26.4s
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 r473434 = x;
        double r473435 = y;
        double r473436 = r473434 - r473435;
        double r473437 = 2.0;
        double r473438 = r473436 / r473437;
        double r473439 = r473434 + r473438;
        return r473439;
}
↓
double f(double x, double y) {
        double r473440 = x;
        double r473441 = y;
        double r473442 = r473440 - r473441;
        double r473443 = 2.0;
        double r473444 = r473442 / r473443;
        double r473445 = r473440 + r473444;
        return r473445;
}

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 2019199 
(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)))