Average Error: 0 → 0
Time: 257.0ms
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 r197882 = x;
        double r197883 = r197882 + r197882;
        double r197884 = 1.0;
        double r197885 = r197883 - r197884;
        return r197885;
}
↓
double f(double x) {
        double r197886 = x;
        double r197887 = r197886 + r197886;
        double r197888 = 1.0;
        double r197889 = r197887 - r197888;
        return r197889;
}

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 2020062 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))