Average Error: 0 → 0
Time: 328.0ms
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 r220909 = x;
        double r220910 = r220909 + r220909;
        double r220911 = 1.0;
        double r220912 = r220910 - r220911;
        return r220912;
}
↓
double f(double x) {
        double r220913 = x;
        double r220914 = r220913 + r220913;
        double r220915 = 1.0;
        double r220916 = r220914 - r220915;
        return r220916;
}

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 2020034 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))