Average Error: 0 → 0
Time: 279.0ms
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 r219899 = x;
        double r219900 = r219899 + r219899;
        double r219901 = 1.0;
        double r219902 = r219900 - r219901;
        return r219902;
}
↓
double f(double x) {
        double r219903 = x;
        double r219904 = r219903 + r219903;
        double r219905 = 1.0;
        double r219906 = r219904 - r219905;
        return r219906;
}

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 2020021 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))