Average Error: 0 → 0
Time: 696.0ms
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 r134715 = x;
        double r134716 = r134715 + r134715;
        double r134717 = 1.0;
        double r134718 = r134716 - r134717;
        return r134718;
}
↓
double f(double x) {
        double r134719 = x;
        double r134720 = r134719 + r134719;
        double r134721 = 1.0;
        double r134722 = r134720 - r134721;
        return r134722;
}

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 2019294 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))