Average Error: 0.0 → 0.0
Time: 352.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r180335 = x;
        double r180336 = r180335 * r180335;
        double r180337 = 1.0;
        double r180338 = r180336 - r180337;
        return r180338;
}
↓
double f(double x) {
        double r180339 = x;
        double r180340 = r180339 * r180339;
        double r180341 = 1.0;
        double r180342 = r180340 - r180341;
        return r180342;
}

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 2019356 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))