Average Error: 0 → 0
Time: 549.0ms
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 r162085 = x;
        double r162086 = r162085 + r162085;
        double r162087 = 1.0;
        double r162088 = r162086 - r162087;
        return r162088;
}
↓
double f(double x) {
        double r162089 = x;
        double r162090 = r162089 + r162089;
        double r162091 = 1.0;
        double r162092 = r162090 - r162091;
        return r162092;
}

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 2019297 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))