Average Error: 0.0 → 0.0
Time: 2.4s
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 r238669 = x;
        double r238670 = y;
        double r238671 = r238669 * r238670;
        double r238672 = 2.0;
        double r238673 = r238671 / r238672;
        double r238674 = z;
        double r238675 = 8.0;
        double r238676 = r238674 / r238675;
        double r238677 = r238673 - r238676;
        return r238677;
}
↓
double f(double x, double y, double z) {
        double r238678 = x;
        double r238679 = y;
        double r238680 = r238678 * r238679;
        double r238681 = 2.0;
        double r238682 = r238680 / r238681;
        double r238683 = z;
        double r238684 = 8.0;
        double r238685 = r238683 / r238684;
        double r238686 = r238682 - r238685;
        return r238686;
}

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)))