Average Error: 0 → 0
Time: 339.0ms
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 r285818 = x;
        double r285819 = r285818 + r285818;
        double r285820 = 1.0;
        double r285821 = r285819 - r285820;
        return r285821;
}
↓
double f(double x) {
        double r285822 = x;
        double r285823 = r285822 + r285822;
        double r285824 = 1.0;
        double r285825 = r285823 - r285824;
        return r285825;
}

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 2020034 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))