Average Error: 0.0 → 0.0
Time: 308.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r240008 = x;
        double r240009 = r240008 * r240008;
        double r240010 = 1.0;
        double r240011 = r240009 - r240010;
        return r240011;
}
↓
double f(double x) {
        double r240012 = x;
        double r240013 = r240012 * r240012;
        double r240014 = 1.0;
        double r240015 = r240013 - r240014;
        return r240015;
}

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 2020060 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))