Average Error: 0.0 → 0.0
Time: 1.4s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r12117969 = x;
        double r12117970 = r12117969 * r12117969;
        double r12117971 = 1.0;
        double r12117972 = r12117970 - r12117971;
        return r12117972;
}
↓
double f(double x) {
        double r12117973 = x;
        double r12117974 = r12117973 * r12117973;
        double r12117975 = 1.0;
        double r12117976 = r12117974 - r12117975;
        return r12117976;
}

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 2019200 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  (- (* x x) 1.0))