Average Error: 0.0 → 0.0
Time: 30.8s
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 r9240833 = x;
        double r9240834 = r9240833 * r9240833;
        double r9240835 = y;
        double r9240836 = 4.0;
        double r9240837 = r9240835 * r9240836;
        double r9240838 = z;
        double r9240839 = r9240837 * r9240838;
        double r9240840 = r9240834 - r9240839;
        return r9240840;
}
↓
double f(double x, double y, double z) {
        double r9240841 = x;
        double r9240842 = r9240841 * r9240841;
        double r9240843 = y;
        double r9240844 = 4.0;
        double r9240845 = r9240843 * r9240844;
        double r9240846 = z;
        double r9240847 = r9240845 * r9240846;
        double r9240848 = r9240842 - r9240847;
        return r9240848;
}

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 2019168 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))