Average Error: 0 → 0
Time: 359.0ms
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 r194516 = x;
        double r194517 = r194516 + r194516;
        double r194518 = 1.0;
        double r194519 = r194517 - r194518;
        return r194519;
}
↓
double f(double x) {
        double r194520 = x;
        double r194521 = r194520 + r194520;
        double r194522 = 1.0;
        double r194523 = r194521 - r194522;
        return r194523;
}

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 2020033 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))