Average Error: 0.1 → 0.1
Time: 7.9s
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 r907194 = x;
        double r907195 = y;
        double r907196 = r907194 - r907195;
        double r907197 = 2.0;
        double r907198 = r907196 / r907197;
        double r907199 = r907194 + r907198;
        return r907199;
}
↓
double f(double x, double y) {
        double r907200 = x;
        double r907201 = y;
        double r907202 = r907200 - r907201;
        double r907203 = 2.0;
        double r907204 = r907202 / r907203;
        double r907205 = r907200 + r907204;
        return r907205;
}

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 2019353 
(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)))