Average Error: 0 → 0
Time: 275.0ms
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 r312085 = x;
        double r312086 = r312085 + r312085;
        double r312087 = 1.0;
        double r312088 = r312086 - r312087;
        return r312088;
}
↓
double f(double x) {
        double r312089 = x;
        double r312090 = r312089 + r312089;
        double r312091 = 1.0;
        double r312092 = r312090 - r312091;
        return r312092;
}

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 2020001 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))