Average Error: 0.0 → 0.0
Time: 3.6s
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 r10032826 = x;
        double r10032827 = r10032826 * r10032826;
        double r10032828 = y;
        double r10032829 = 4.0;
        double r10032830 = r10032828 * r10032829;
        double r10032831 = z;
        double r10032832 = r10032830 * r10032831;
        double r10032833 = r10032827 - r10032832;
        return r10032833;
}
↓
double f(double x, double y, double z) {
        double r10032834 = x;
        double r10032835 = r10032834 * r10032834;
        double r10032836 = y;
        double r10032837 = 4.0;
        double r10032838 = r10032836 * r10032837;
        double r10032839 = z;
        double r10032840 = r10032838 * r10032839;
        double r10032841 = r10032835 - r10032840;
        return r10032841;
}

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 2019172 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))