Average Error: 0.0 → 0.0
Time: 325.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r247296 = x;
        double r247297 = r247296 * r247296;
        double r247298 = 1.0;
        double r247299 = r247297 - r247298;
        return r247299;
}
↓
double f(double x) {
        double r247300 = x;
        double r247301 = r247300 * r247300;
        double r247302 = 1.0;
        double r247303 = r247301 - r247302;
        return r247303;
}

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 2020027 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))