Average Error: 0.0 → 0.0
Time: 6.7s
Precision: 64
\[\frac{x \cdot y}{2} - \frac{z}{8}\]
↓
\[\frac{x \cdot y}{2} - \frac{z}{8}\]
\frac{x \cdot y}{2} - \frac{z}{8}
↓
\frac{x \cdot y}{2} - \frac{z}{8}
double f(double x, double y, double z) {
        double r166254 = x;
        double r166255 = y;
        double r166256 = r166254 * r166255;
        double r166257 = 2.0;
        double r166258 = r166256 / r166257;
        double r166259 = z;
        double r166260 = 8.0;
        double r166261 = r166259 / r166260;
        double r166262 = r166258 - r166261;
        return r166262;
}
↓
double f(double x, double y, double z) {
        double r166263 = x;
        double r166264 = y;
        double r166265 = r166263 * r166264;
        double r166266 = 2.0;
        double r166267 = r166265 / r166266;
        double r166268 = z;
        double r166269 = 8.0;
        double r166270 = r166268 / r166269;
        double r166271 = r166267 - r166270;
        return r166271;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{x \cdot y}{2} - \frac{z}{8}\]

  2. Final simplification0.0

    \[\leadsto \frac{x \cdot y}{2} - \frac{z}{8}\]

Reproduce

herbie shell --seed 2019322 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))