Average Error: 0 → 0
Time: 387.0ms
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 r270325 = x;
        double r270326 = r270325 + r270325;
        double r270327 = 1.0;
        double r270328 = r270326 - r270327;
        return r270328;
}
↓
double f(double x) {
        double r270329 = x;
        double r270330 = r270329 + r270329;
        double r270331 = 1.0;
        double r270332 = r270330 - r270331;
        return r270332;
}

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 2020035 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))