Average Error: 0.1 → 0.1
Time: 13.8s
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 r551246 = x;
        double r551247 = y;
        double r551248 = r551246 - r551247;
        double r551249 = 2.0;
        double r551250 = r551248 / r551249;
        double r551251 = r551246 + r551250;
        return r551251;
}
↓
double f(double x, double y) {
        double r551252 = x;
        double r551253 = y;
        double r551254 = r551252 - r551253;
        double r551255 = 2.0;
        double r551256 = r551254 / r551255;
        double r551257 = r551252 + r551256;
        return r551257;
}

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 2019303 
(FPCore (x y)
  :name "Graphics.Rendering.Chart.Axis.Types:hBufferRect from Chart-1.5.3"
  :precision binary64

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

  (+ x (/ (- x y) 2)))