Average Error: 0.2 → 0.2
Time: 12.3s
Precision: 64
\[\frac{x \cdot x - 3}{6}\]
↓
\[\frac{x \cdot x - 3}{6}\]
\frac{x \cdot x - 3}{6}
↓
\frac{x \cdot x - 3}{6}
double f(double x) {
        double r3547731 = x;
        double r3547732 = r3547731 * r3547731;
        double r3547733 = 3.0;
        double r3547734 = r3547732 - r3547733;
        double r3547735 = 6.0;
        double r3547736 = r3547734 / r3547735;
        return r3547736;
}
↓
double f(double x) {
        double r3547737 = x;
        double r3547738 = r3547737 * r3547737;
        double r3547739 = 3.0;
        double r3547740 = r3547738 - r3547739;
        double r3547741 = 6.0;
        double r3547742 = r3547740 / r3547741;
        return r3547742;
}

Error

Bits error versus x

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.2

    \[\frac{x \cdot x - 3}{6}\]

  2. Final simplification0.2

    \[\leadsto \frac{x \cdot x - 3}{6}\]

Reproduce

herbie shell --seed 2019192 
(FPCore (x)
  :name "Numeric.SpecFunctions:invIncompleteBetaWorker from math-functions-0.1.5.2, H"
  (/ (- (* x x) 3.0) 6.0))