Average Error: 0 → 0
Time: 402.0ms
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 r338764 = x;
        double r338765 = r338764 + r338764;
        double r338766 = 1.0;
        double r338767 = r338765 - r338766;
        return r338767;
}
↓
double f(double x) {
        double r338768 = x;
        double r338769 = r338768 + r338768;
        double r338770 = 1.0;
        double r338771 = r338769 - r338770;
        return r338771;
}

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 2020035 
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))