Average Error: 0.0 → 0.0
Time: 6.3s
Precision: 64
\[x \cdot x - \left(y \cdot 4\right) \cdot z\]
↓
\[x \cdot x - \left(y \cdot 4\right) \cdot z\]
x \cdot x - \left(y \cdot 4\right) \cdot z
↓
x \cdot x - \left(y \cdot 4\right) \cdot z
double f(double x, double y, double z) {
        double r9478430 = x;
        double r9478431 = r9478430 * r9478430;
        double r9478432 = y;
        double r9478433 = 4.0;
        double r9478434 = r9478432 * r9478433;
        double r9478435 = z;
        double r9478436 = r9478434 * r9478435;
        double r9478437 = r9478431 - r9478436;
        return r9478437;
}
↓
double f(double x, double y, double z) {
        double r9478438 = x;
        double r9478439 = r9478438 * r9478438;
        double r9478440 = y;
        double r9478441 = 4.0;
        double r9478442 = r9478440 * r9478441;
        double r9478443 = z;
        double r9478444 = r9478442 * r9478443;
        double r9478445 = r9478439 - r9478444;
        return r9478445;
}

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

    \[x \cdot x - \left(y \cdot 4\right) \cdot z\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - \left(y \cdot 4\right) \cdot z\]

Reproduce

herbie shell --seed 2019174 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))