Average Error: 0 → 0
Time: 280.0ms
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 r342839 = x;
        double r342840 = r342839 + r342839;
        double r342841 = 1.0;
        double r342842 = r342840 - r342841;
        return r342842;
}
↓
double f(double x) {
        double r342843 = x;
        double r342844 = r342843 + r342843;
        double r342845 = 1.0;
        double r342846 = r342844 - r342845;
        return r342846;
}

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 2020065 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))