Average Error: 0.0 → 0.0
Time: 544.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r338846 = x;
        double r338847 = r338846 * r338846;
        double r338848 = 1.0;
        double r338849 = r338847 - r338848;
        return r338849;
}
↓
double f(double x) {
        double r338850 = x;
        double r338851 = r338850 * r338850;
        double r338852 = 1.0;
        double r338853 = r338851 - r338852;
        return r338853;
}

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 2020035 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))