Average Error: 0 → 0
Time: 1.7s
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 r176697 = x;
        double r176698 = r176697 + r176697;
        double r176699 = 1.0;
        double r176700 = r176698 - r176699;
        return r176700;
}
↓
double f(double x) {
        double r176701 = x;
        double r176702 = r176701 + r176701;
        double r176703 = 1.0;
        double r176704 = r176702 - r176703;
        return r176704;
}

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 2019235 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))