Average Error: 0.0 → 0.0
Time: 326.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r242496 = x;
        double r242497 = r242496 * r242496;
        double r242498 = 1.0;
        double r242499 = r242497 - r242498;
        return r242499;
}
↓
double f(double x) {
        double r242500 = x;
        double r242501 = r242500 * r242500;
        double r242502 = 1.0;
        double r242503 = r242501 - r242502;
        return r242503;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[x \cdot x - 1\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - 1\]

Reproduce

herbie shell --seed 2020062 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))