Average Error: 0.1 → 0.1
Time: 7.5s
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 r544745 = x;
        double r544746 = y;
        double r544747 = r544745 - r544746;
        double r544748 = 2.0;
        double r544749 = r544747 / r544748;
        double r544750 = r544745 + r544749;
        return r544750;
}
↓
double f(double x, double y) {
        double r544751 = x;
        double r544752 = y;
        double r544753 = r544751 - r544752;
        double r544754 = 2.0;
        double r544755 = r544753 / r544754;
        double r544756 = r544751 + r544755;
        return r544756;
}

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 2019304 
(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)))