Average Error: 0.0 → 0.0
Time: 3.8s
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 r239049 = x;
        double r239050 = y;
        double r239051 = r239049 * r239050;
        double r239052 = 2.0;
        double r239053 = r239051 / r239052;
        double r239054 = z;
        double r239055 = 8.0;
        double r239056 = r239054 / r239055;
        double r239057 = r239053 - r239056;
        return r239057;
}
↓
double f(double x, double y, double z) {
        double r239058 = x;
        double r239059 = y;
        double r239060 = r239058 * r239059;
        double r239061 = 2.0;
        double r239062 = r239060 / r239061;
        double r239063 = z;
        double r239064 = 8.0;
        double r239065 = r239063 / r239064;
        double r239066 = r239062 - r239065;
        return r239066;
}

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 2020001 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))