Average Error: 0.0 → 0.0
Time: 743.0ms
Precision: 64
\[x \cdot x - 1.0\]
↓
\[x \cdot x - 1.0\]
x \cdot x - 1.0
↓
x \cdot x - 1.0
double f(double x) {
        double r3732549 = x;
        double r3732550 = r3732549 * r3732549;
        double r3732551 = 1.0;
        double r3732552 = r3732550 - r3732551;
        return r3732552;
}
↓
double f(double x) {
        double r3732553 = x;
        double r3732554 = r3732553 * r3732553;
        double r3732555 = 1.0;
        double r3732556 = r3732554 - r3732555;
        return r3732556;
}

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

    \[x \cdot x - 1.0\]

  2. Final simplification0.0

    \[\leadsto x \cdot x - 1.0\]

Reproduce

herbie shell --seed 2019156 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))