Average Error: 0 → 0
Time: 691.0ms
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 r192713 = x;
        double r192714 = r192713 + r192713;
        double r192715 = 1.0;
        double r192716 = r192714 - r192715;
        return r192716;
}
↓
double f(double x) {
        double r192717 = x;
        double r192718 = r192717 + r192717;
        double r192719 = 1.0;
        double r192720 = r192718 - r192719;
        return r192720;
}

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 2019303 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))