Average Error: 0.1 → 0.1
Time: 18.4s
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 r560618 = x;
        double r560619 = y;
        double r560620 = r560618 - r560619;
        double r560621 = 2.0;
        double r560622 = r560620 / r560621;
        double r560623 = r560618 + r560622;
        return r560623;
}
↓
double f(double x, double y) {
        double r560624 = x;
        double r560625 = y;
        double r560626 = r560624 - r560625;
        double r560627 = 2.0;
        double r560628 = r560626 / r560627;
        double r560629 = r560624 + r560628;
        return r560629;
}

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 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)))