Average Error: 0.0 → 0.0
Time: 309.0ms
Precision: 64
\[x \cdot x - 1\]
↓
\[x \cdot x - 1\]
x \cdot x - 1
↓
x \cdot x - 1
double f(double x) {
        double r217045 = x;
        double r217046 = r217045 * r217045;
        double r217047 = 1.0;
        double r217048 = r217046 - r217047;
        return r217048;
}
↓
double f(double x) {
        double r217049 = x;
        double r217050 = r217049 * r217049;
        double r217051 = 1.0;
        double r217052 = r217050 - r217051;
        return r217052;
}

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 2020060 
(FPCore (x)
  :name "Data.Random.Dice:roll from dice-0.1"
  :precision binary64
  (- (* x x) 1))