Average Error: 0 → 0
Time: 750.0ms
Precision: 64
\[x - \frac{y}{4}\]
↓
\[x - \frac{y}{4}\]
x - \frac{y}{4}
↓
x - \frac{y}{4}
double f(double x, double y) {
        double r128398 = x;
        double r128399 = y;
        double r128400 = 4.0;
        double r128401 = r128399 / r128400;
        double r128402 = r128398 - r128401;
        return r128402;
}
↓
double f(double x, double y) {
        double r128403 = x;
        double r128404 = y;
        double r128405 = 4.0;
        double r128406 = r128404 / r128405;
        double r128407 = r128403 - r128406;
        return r128407;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[x - \frac{y}{4}\]

  2. Final simplification0

    \[\leadsto x - \frac{y}{4}\]

Reproduce

herbie shell --seed 2019209 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, E"
  :precision binary64
  (- x (/ y 4)))