Average Error: 0.1 → 0.1
Time: 21.1s
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 r29305617 = x;
        double r29305618 = y;
        double r29305619 = r29305617 - r29305618;
        double r29305620 = 2.0;
        double r29305621 = r29305619 / r29305620;
        double r29305622 = r29305617 + r29305621;
        return r29305622;
}
↓
double f(double x, double y) {
        double r29305623 = x;
        double r29305624 = y;
        double r29305625 = r29305623 - r29305624;
        double r29305626 = 2.0;
        double r29305627 = r29305625 / r29305626;
        double r29305628 = r29305623 + r29305627;
        return r29305628;
}

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 2019174 
(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)))