Average Error: 0 → 0
Time: 601.0ms
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 r165881 = x;
        double r165882 = r165881 + r165881;
        double r165883 = 1.0;
        double r165884 = r165882 - r165883;
        return r165884;
}
↓
double f(double x) {
        double r165885 = x;
        double r165886 = r165885 + r165885;
        double r165887 = 1.0;
        double r165888 = r165886 - r165887;
        return r165888;
}

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 2019347 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))