Average Error: 0.0 → 0.0
Time: 727.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r185634 = x;
        double r185635 = r185634 * r185634;
        double r185636 = 1.0;
        double r185637 = r185635 - r185636;
        return r185637;
}
↓
double f(double x) {
        double r185638 = x;
        double r185639 = r185638 * r185638;
        double r185640 = 1.0;
        double r185641 = r185639 - r185640;
        return r185641;
}

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 2019198 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))