Average Error: 0.0 → 0.0
Time: 778.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r115166 = x;
        double r115167 = r115166 * r115166;
        double r115168 = 1.0;
        double r115169 = r115167 - r115168;
        return r115169;
}
↓
double f(double x) {
        double r115170 = x;
        double r115171 = r115170 * r115170;
        double r115172 = 1.0;
        double r115173 = r115171 - r115172;
        return r115173;
}

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 2019303 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))