Average Error: 0.0 → 0.0
Time: 1.2s
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r1190 = x;
        double r1191 = r1190 * r1190;
        double r1192 = 1.0;
        double r1193 = r1191 - r1192;
        return r1193;
}
↓
double f(double x) {
        double r1194 = x;
        double r1195 = r1194 * r1194;
        double r1196 = 1.0;
        double r1197 = r1195 - r1196;
        return r1197;
}

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 2020025 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))