Average Error: 0.0 → 0.0
Time: 4.9s
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 r156936 = x;
        double r156937 = y;
        double r156938 = r156936 * r156937;
        double r156939 = 2.0;
        double r156940 = r156938 / r156939;
        double r156941 = z;
        double r156942 = 8.0;
        double r156943 = r156941 / r156942;
        double r156944 = r156940 - r156943;
        return r156944;
}
↓
double f(double x, double y, double z) {
        double r156945 = x;
        double r156946 = y;
        double r156947 = r156945 * r156946;
        double r156948 = 2.0;
        double r156949 = r156947 / r156948;
        double r156950 = z;
        double r156951 = 8.0;
        double r156952 = r156950 / r156951;
        double r156953 = r156949 - r156952;
        return r156953;
}

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 2019208 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))