Average Error: 0.0 → 0.0
Time: 684.0ms
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 r189078 = x;
        double r189079 = y;
        double r189080 = r189078 * r189079;
        double r189081 = 2.0;
        double r189082 = r189080 / r189081;
        double r189083 = z;
        double r189084 = 8.0;
        double r189085 = r189083 / r189084;
        double r189086 = r189082 - r189085;
        return r189086;
}
↓
double f(double x, double y, double z) {
        double r189087 = x;
        double r189088 = y;
        double r189089 = r189087 * r189088;
        double r189090 = 2.0;
        double r189091 = r189089 / r189090;
        double r189092 = z;
        double r189093 = 8.0;
        double r189094 = r189092 / r189093;
        double r189095 = r189091 - r189094;
        return r189095;
}

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 2020020 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))