Average Error: 0.0 → 0.0
Time: 316.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r227072 = x;
        double r227073 = r227072 * r227072;
        double r227074 = 1.0;
        double r227075 = r227073 - r227074;
        return r227075;
}
↓
double f(double x) {
        double r227076 = x;
        double r227077 = r227076 * r227076;
        double r227078 = 1.0;
        double r227079 = r227077 - r227078;
        return r227079;
}

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 2020064 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))