Average Error: 0.0 → 0.0
Time: 322.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r195227 = x;
        double r195228 = r195227 * r195227;
        double r195229 = 1.0;
        double r195230 = r195228 - r195229;
        return r195230;
}
↓
double f(double x) {
        double r195231 = x;
        double r195232 = r195231 * r195231;
        double r195233 = 1.0;
        double r195234 = r195232 - r195233;
        return r195234;
}

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 2020047 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))