Average Error: 0 → 0
Time: 358.0ms
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 r286665 = x;
        double r286666 = r286665 + r286665;
        double r286667 = 1.0;
        double r286668 = r286666 - r286667;
        return r286668;
}
↓
double f(double x) {
        double r286669 = x;
        double r286670 = r286669 + r286669;
        double r286671 = 1.0;
        double r286672 = r286670 - r286671;
        return r286672;
}

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 2019350 +o rules:numerics
(FPCore (x)
  :name "Data.Random.Distribution.Normal:doubleStdNormalZ from random-fu-0.2.6.2"
  :precision binary64
  (- (+ x x) 1))