Average Error: 0.0 → 0.0
Time: 12.0s
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 r23231405 = x;
        double r23231406 = r23231405 * r23231405;
        double r23231407 = y;
        double r23231408 = 4.0;
        double r23231409 = r23231407 * r23231408;
        double r23231410 = z;
        double r23231411 = r23231409 * r23231410;
        double r23231412 = r23231406 - r23231411;
        return r23231412;
}
↓
double f(double x, double y, double z) {
        double r23231413 = x;
        double r23231414 = r23231413 * r23231413;
        double r23231415 = y;
        double r23231416 = 4.0;
        double r23231417 = r23231415 * r23231416;
        double r23231418 = z;
        double r23231419 = r23231417 * r23231418;
        double r23231420 = r23231414 - r23231419;
        return r23231420;
}

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 2019173 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))