Average Error: 0 → 0
Time: 272.0ms
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 r190905 = x;
        double r190906 = r190905 + r190905;
        double r190907 = 1.0;
        double r190908 = r190906 - r190907;
        return r190908;
}
↓
double f(double x) {
        double r190909 = x;
        double r190910 = r190909 + r190909;
        double r190911 = 1.0;
        double r190912 = r190910 - r190911;
        return r190912;
}

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 2020027 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))