Average Error: 0 → 0
Time: 1.9s
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 r159976 = x;
        double r159977 = r159976 + r159976;
        double r159978 = 1.0;
        double r159979 = r159977 - r159978;
        return r159979;
}
↓
double f(double x) {
        double r159980 = x;
        double r159981 = r159980 + r159980;
        double r159982 = 1.0;
        double r159983 = r159981 - r159982;
        return r159983;
}

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 2019208 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))