Average Error: 0.0 → 0.0
Time: 5.0s
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 r8580856 = x;
        double r8580857 = r8580856 * r8580856;
        double r8580858 = y;
        double r8580859 = 4.0;
        double r8580860 = r8580858 * r8580859;
        double r8580861 = z;
        double r8580862 = r8580860 * r8580861;
        double r8580863 = r8580857 - r8580862;
        return r8580863;
}
↓
double f(double x, double y, double z) {
        double r8580864 = x;
        double r8580865 = r8580864 * r8580864;
        double r8580866 = y;
        double r8580867 = 4.0;
        double r8580868 = r8580866 * r8580867;
        double r8580869 = z;
        double r8580870 = r8580868 * r8580869;
        double r8580871 = r8580865 - r8580870;
        return r8580871;
}

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 2019179 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))