Average Error: 0 → 0
Time: 617.0ms
Precision: 64
\[\left(x + x\right) - 1\]
↓
\[\left(x + x\right) - 1\]
\left(x + x\right) - 1
↓
\left(x + x\right) - 1
double f(double x) {
        double r137681 = x;
        double r137682 = r137681 + r137681;
        double r137683 = 1.0;
        double r137684 = r137682 - r137683;
        return r137684;
}
↓
double f(double x) {
        double r137685 = x;
        double r137686 = r137685 + r137685;
        double r137687 = 1.0;
        double r137688 = r137686 - r137687;
        return r137688;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\left(x + x\right) - 1\]

  2. Final simplification0

    \[\leadsto \left(x + x\right) - 1\]

Reproduce

herbie shell --seed 2019326 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))