Average Error: 0.0 → 0.0
Time: 5.0s
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 r180254 = x;
        double r180255 = y;
        double r180256 = r180254 * r180255;
        double r180257 = 2.0;
        double r180258 = r180256 / r180257;
        double r180259 = z;
        double r180260 = 8.0;
        double r180261 = r180259 / r180260;
        double r180262 = r180258 - r180261;
        return r180262;
}
↓
double f(double x, double y, double z) {
        double r180263 = x;
        double r180264 = y;
        double r180265 = r180263 * r180264;
        double r180266 = 2.0;
        double r180267 = r180265 / r180266;
        double r180268 = z;
        double r180269 = 8.0;
        double r180270 = r180268 / r180269;
        double r180271 = r180267 - r180270;
        return r180271;
}

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 2019209 
(FPCore (x y z)
  :name "Diagrams.Solve.Polynomial:quartForm  from diagrams-solve-0.1, D"
  :precision binary64
  (- (/ (* x y) 2) (/ z 8)))