Average Error: 0.0 → 0.0
Time: 30.4s
Precision: 64
\[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]
↓
\[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]
x \cdot x - \left(y \cdot 4.0\right) \cdot z
↓
x \cdot x - \left(y \cdot 4.0\right) \cdot z
double f(double x, double y, double z) {
        double r11145991 = x;
        double r11145992 = r11145991 * r11145991;
        double r11145993 = y;
        double r11145994 = 4.0;
        double r11145995 = r11145993 * r11145994;
        double r11145996 = z;
        double r11145997 = r11145995 * r11145996;
        double r11145998 = r11145992 - r11145997;
        return r11145998;
}
↓
double f(double x, double y, double z) {
        double r11145999 = x;
        double r11146000 = r11145999 * r11145999;
        double r11146001 = y;
        double r11146002 = 4.0;
        double r11146003 = r11146001 * r11146002;
        double r11146004 = z;
        double r11146005 = r11146003 * r11146004;
        double r11146006 = r11146000 - r11146005;
        return r11146006;
}

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

    \[x \cdot x - \left(y \cdot 4.0\right) \cdot z\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - \left(y \cdot 4.0\right) \cdot z\]

Reproduce

herbie shell --seed 2019165 
(FPCore (x y z)
  :name "Graphics.Rasterific.QuadraticFormula:discriminant from Rasterific-0.6.1"
  (- (* x x) (* (* y 4.0) z)))