Average Error: 0.0 → 0.0
Time: 572.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r214067 = x;
        double r214068 = r214067 * r214067;
        double r214069 = 1.0;
        double r214070 = r214068 - r214069;
        return r214070;
}
↓
double f(double x) {
        double r214071 = x;
        double r214072 = r214071 * r214071;
        double r214073 = 1.0;
        double r214074 = r214072 - r214073;
        return r214074;
}

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 2020089 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))