Average Error: 0.0 → 0.0
Time: 1.7s
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 r246086 = x;
        double r246087 = y;
        double r246088 = r246086 * r246087;
        double r246089 = 2.0;
        double r246090 = r246088 / r246089;
        double r246091 = z;
        double r246092 = 8.0;
        double r246093 = r246091 / r246092;
        double r246094 = r246090 - r246093;
        return r246094;
}
↓
double f(double x, double y, double z) {
        double r246095 = x;
        double r246096 = y;
        double r246097 = r246095 * r246096;
        double r246098 = 2.0;
        double r246099 = r246097 / r246098;
        double r246100 = z;
        double r246101 = 8.0;
        double r246102 = r246100 / r246101;
        double r246103 = r246099 - r246102;
        return r246103;
}

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 2020002 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))