Average Error: 0.0 → 0.0
Time: 2.2s
Precision: 64
\[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]
↓
\[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]
x \cdot x - \left(y \cdot 4.0\right) \cdot z
↓
x \cdot x - \left(y \cdot 4.0\right) \cdot z
double f(double x, double y, double z) {
        double r9958651 = x;
        double r9958652 = r9958651 * r9958651;
        double r9958653 = y;
        double r9958654 = 4.0;
        double r9958655 = r9958653 * r9958654;
        double r9958656 = z;
        double r9958657 = r9958655 * r9958656;
        double r9958658 = r9958652 - r9958657;
        return r9958658;
}
↓
double f(double x, double y, double z) {
        double r9958659 = x;
        double r9958660 = r9958659 * r9958659;
        double r9958661 = y;
        double r9958662 = 4.0;
        double r9958663 = r9958661 * r9958662;
        double r9958664 = z;
        double r9958665 = r9958663 * r9958664;
        double r9958666 = r9958660 - r9958665;
        return r9958666;
}

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

    \[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - \left(y \cdot 4.0\right) \cdot z\]

Reproduce

herbie shell --seed 2019163 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))