Average Error: 0.1 → 0.1
Time: 6.3s
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 r698679 = x;
        double r698680 = y;
        double r698681 = r698679 - r698680;
        double r698682 = 2.0;
        double r698683 = r698681 / r698682;
        double r698684 = r698679 + r698683;
        return r698684;
}
↓
double f(double x, double y) {
        double r698685 = x;
        double r698686 = y;
        double r698687 = r698685 - r698686;
        double r698688 = 2.0;
        double r698689 = r698687 / r698688;
        double r698690 = r698685 + r698689;
        return r698690;
}

Error

Bits error versus x

Bits error versus y

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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 2019322 
(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)))