Average Error: 0.0 → 0.0
Time: 3.4s
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 r221537 = x;
        double r221538 = y;
        double r221539 = r221537 * r221538;
        double r221540 = 2.0;
        double r221541 = r221539 / r221540;
        double r221542 = z;
        double r221543 = 8.0;
        double r221544 = r221542 / r221543;
        double r221545 = r221541 - r221544;
        return r221545;
}
↓
double f(double x, double y, double z) {
        double r221546 = x;
        double r221547 = y;
        double r221548 = r221546 * r221547;
        double r221549 = 2.0;
        double r221550 = r221548 / r221549;
        double r221551 = z;
        double r221552 = 8.0;
        double r221553 = r221551 / r221552;
        double r221554 = r221550 - r221553;
        return r221554;
}

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 2019323 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))