Average Error: 0 → 0
Time: 501.0ms
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 r176839 = x;
        double r176840 = r176839 + r176839;
        double r176841 = 1.0;
        double r176842 = r176840 - r176841;
        return r176842;
}
↓
double f(double x) {
        double r176843 = x;
        double r176844 = r176843 + r176843;
        double r176845 = 1.0;
        double r176846 = r176844 - r176845;
        return r176846;
}

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 2019325 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))