Average Error: 0.0 → 0.0
Time: 8.1s
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 r11759860 = x;
        double r11759861 = r11759860 * r11759860;
        double r11759862 = y;
        double r11759863 = 4.0;
        double r11759864 = r11759862 * r11759863;
        double r11759865 = z;
        double r11759866 = r11759864 * r11759865;
        double r11759867 = r11759861 - r11759866;
        return r11759867;
}
↓
double f(double x, double y, double z) {
        double r11759868 = x;
        double r11759869 = r11759868 * r11759868;
        double r11759870 = y;
        double r11759871 = 4.0;
        double r11759872 = r11759870 * r11759871;
        double r11759873 = z;
        double r11759874 = r11759872 * r11759873;
        double r11759875 = r11759869 - r11759874;
        return r11759875;
}

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 2019171 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))